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-rw-r--r--tools/perf/util/abspath.c81
-rw-r--r--tools/perf/util/build-id.c22
-rw-r--r--tools/perf/util/build-id.h2
-rw-r--r--tools/perf/util/cache.h57
-rw-r--r--tools/perf/util/callchain.c1
-rw-r--r--tools/perf/util/callchain.h1
-rw-r--r--tools/perf/util/config.c461
-rw-r--r--tools/perf/util/exec_cmd.c6
-rw-r--r--tools/perf/util/exec_cmd.h1
-rw-r--r--tools/perf/util/header.c84
-rw-r--r--tools/perf/util/help.c30
-rw-r--r--tools/perf/util/hist.c36
-rw-r--r--tools/perf/util/include/linux/kernel.h2
-rw-r--r--tools/perf/util/newt.c115
-rw-r--r--tools/perf/util/parse-options.c48
-rw-r--r--tools/perf/util/parse-options.h27
-rw-r--r--tools/perf/util/path.c204
-rw-r--r--tools/perf/util/probe-finder.c33
-rw-r--r--tools/perf/util/probe-finder.h3
-rw-r--r--tools/perf/util/quote.c433
-rw-r--r--tools/perf/util/quote.h39
-rw-r--r--tools/perf/util/run-command.c90
-rw-r--r--tools/perf/util/run-command.h30
-rw-r--r--tools/perf/util/session.c8
-rw-r--r--tools/perf/util/session.h8
-rw-r--r--tools/perf/util/sigchain.c2
-rw-r--r--tools/perf/util/sigchain.h1
-rw-r--r--tools/perf/util/sort.c8
-rw-r--r--tools/perf/util/sort.h8
-rw-r--r--tools/perf/util/strbuf.c229
-rw-r--r--tools/perf/util/strbuf.h45
-rw-r--r--tools/perf/util/symbol.c27
-rw-r--r--tools/perf/util/symbol.h3
-rw-r--r--tools/perf/util/trace-event-parse.c2
-rw-r--r--tools/perf/util/trace-event-read.c19
-rw-r--r--tools/perf/util/trace-event.h7
-rw-r--r--tools/perf/util/util.h162
-rw-r--r--tools/perf/util/wrapper.c110
38 files changed, 367 insertions, 2078 deletions
diff --git a/tools/perf/util/abspath.c b/tools/perf/util/abspath.c
index a791dd467261..0e76affe9c36 100644
--- a/tools/perf/util/abspath.c
+++ b/tools/perf/util/abspath.c
@@ -1,86 +1,5 @@
1#include "cache.h" 1#include "cache.h"
2 2
3/*
4 * Do not use this for inspecting *tracked* content. When path is a
5 * symlink to a directory, we do not want to say it is a directory when
6 * dealing with tracked content in the working tree.
7 */
8static int is_directory(const char *path)
9{
10 struct stat st;
11 return (!stat(path, &st) && S_ISDIR(st.st_mode));
12}
13
14/* We allow "recursive" symbolic links. Only within reason, though. */
15#define MAXDEPTH 5
16
17const char *make_absolute_path(const char *path)
18{
19 static char bufs[2][PATH_MAX + 1], *buf = bufs[0], *next_buf = bufs[1];
20 char cwd[1024] = "";
21 int buf_index = 1, len;
22
23 int depth = MAXDEPTH;
24 char *last_elem = NULL;
25 struct stat st;
26
27 if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX)
28 die ("Too long path: %.*s", 60, path);
29
30 while (depth--) {
31 if (!is_directory(buf)) {
32 char *last_slash = strrchr(buf, '/');
33 if (last_slash) {
34 *last_slash = '\0';
35 last_elem = xstrdup(last_slash + 1);
36 } else {
37 last_elem = xstrdup(buf);
38 *buf = '\0';
39 }
40 }
41
42 if (*buf) {
43 if (!*cwd && !getcwd(cwd, sizeof(cwd)))
44 die ("Could not get current working directory");
45
46 if (chdir(buf))
47 die ("Could not switch to '%s'", buf);
48 }
49 if (!getcwd(buf, PATH_MAX))
50 die ("Could not get current working directory");
51
52 if (last_elem) {
53 len = strlen(buf);
54
55 if (len + strlen(last_elem) + 2 > PATH_MAX)
56 die ("Too long path name: '%s/%s'",
57 buf, last_elem);
58 buf[len] = '/';
59 strcpy(buf + len + 1, last_elem);
60 free(last_elem);
61 last_elem = NULL;
62 }
63
64 if (!lstat(buf, &st) && S_ISLNK(st.st_mode)) {
65 len = readlink(buf, next_buf, PATH_MAX);
66 if (len < 0)
67 die ("Invalid symlink: %s", buf);
68 if (PATH_MAX <= len)
69 die("symbolic link too long: %s", buf);
70 next_buf[len] = '\0';
71 buf = next_buf;
72 buf_index = 1 - buf_index;
73 next_buf = bufs[buf_index];
74 } else
75 break;
76 }
77
78 if (*cwd && chdir(cwd))
79 die ("Could not change back to '%s'", cwd);
80
81 return buf;
82}
83
84static const char *get_pwd_cwd(void) 3static const char *get_pwd_cwd(void)
85{ 4{
86 static char cwd[PATH_MAX + 1]; 5 static char cwd[PATH_MAX + 1];
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 0f60a3906808..70c5cf87d020 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -6,6 +6,8 @@
6 * Copyright (C) 2009, 2010 Red Hat Inc. 6 * Copyright (C) 2009, 2010 Red Hat Inc.
7 * Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com> 7 * Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com>
8 */ 8 */
9#include "util.h"
10#include <stdio.h>
9#include "build-id.h" 11#include "build-id.h"
10#include "event.h" 12#include "event.h"
11#include "symbol.h" 13#include "symbol.h"
@@ -37,3 +39,23 @@ struct perf_event_ops build_id__mark_dso_hit_ops = {
37 .mmap = event__process_mmap, 39 .mmap = event__process_mmap,
38 .fork = event__process_task, 40 .fork = event__process_task,
39}; 41};
42
43char *dso__build_id_filename(struct dso *self, char *bf, size_t size)
44{
45 char build_id_hex[BUILD_ID_SIZE * 2 + 1];
46 const char *home;
47
48 if (!self->has_build_id)
49 return NULL;
50
51 build_id__sprintf(self->build_id, sizeof(self->build_id), build_id_hex);
52 home = getenv("HOME");
53 if (bf == NULL) {
54 if (asprintf(&bf, "%s/%s/.build-id/%.2s/%s", home,
55 DEBUG_CACHE_DIR, build_id_hex, build_id_hex + 2) < 0)
56 return NULL;
57 } else
58 snprintf(bf, size, "%s/%s/.build-id/%.2s/%s", home,
59 DEBUG_CACHE_DIR, build_id_hex, build_id_hex + 2);
60 return bf;
61}
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index 1d981d63cf9a..5dafb00eaa06 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -5,4 +5,6 @@
5 5
6extern struct perf_event_ops build_id__mark_dso_hit_ops; 6extern struct perf_event_ops build_id__mark_dso_hit_ops;
7 7
8char *dso__build_id_filename(struct dso *self, char *bf, size_t size);
9
8#endif 10#endif
diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h
index 4b9aab7f0405..65fe664fddf6 100644
--- a/tools/perf/util/cache.h
+++ b/tools/perf/util/cache.h
@@ -13,56 +13,16 @@
13 13
14#define PERF_DIR_ENVIRONMENT "PERF_DIR" 14#define PERF_DIR_ENVIRONMENT "PERF_DIR"
15#define PERF_WORK_TREE_ENVIRONMENT "PERF_WORK_TREE" 15#define PERF_WORK_TREE_ENVIRONMENT "PERF_WORK_TREE"
16#define DEFAULT_PERF_DIR_ENVIRONMENT ".perf"
17#define DB_ENVIRONMENT "PERF_OBJECT_DIRECTORY"
18#define INDEX_ENVIRONMENT "PERF_INDEX_FILE"
19#define GRAFT_ENVIRONMENT "PERF_GRAFT_FILE"
20#define TEMPLATE_DIR_ENVIRONMENT "PERF_TEMPLATE_DIR"
21#define CONFIG_ENVIRONMENT "PERF_CONFIG"
22#define EXEC_PATH_ENVIRONMENT "PERF_EXEC_PATH" 16#define EXEC_PATH_ENVIRONMENT "PERF_EXEC_PATH"
23#define CEILING_DIRECTORIES_ENVIRONMENT "PERF_CEILING_DIRECTORIES" 17#define DEFAULT_PERF_DIR_ENVIRONMENT ".perf"
24#define PERFATTRIBUTES_FILE ".perfattributes"
25#define INFOATTRIBUTES_FILE "info/attributes"
26#define ATTRIBUTE_MACRO_PREFIX "[attr]"
27#define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR" 18#define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR"
28 19
29typedef int (*config_fn_t)(const char *, const char *, void *); 20typedef int (*config_fn_t)(const char *, const char *, void *);
30extern int perf_default_config(const char *, const char *, void *); 21extern int perf_default_config(const char *, const char *, void *);
31extern int perf_config_from_file(config_fn_t fn, const char *, void *);
32extern int perf_config(config_fn_t fn, void *); 22extern int perf_config(config_fn_t fn, void *);
33extern int perf_parse_ulong(const char *, unsigned long *);
34extern int perf_config_int(const char *, const char *); 23extern int perf_config_int(const char *, const char *);
35extern unsigned long perf_config_ulong(const char *, const char *);
36extern int perf_config_bool_or_int(const char *, const char *, int *);
37extern int perf_config_bool(const char *, const char *); 24extern int perf_config_bool(const char *, const char *);
38extern int perf_config_string(const char **, const char *, const char *);
39extern int perf_config_set(const char *, const char *);
40extern int perf_config_set_multivar(const char *, const char *, const char *, int);
41extern int perf_config_rename_section(const char *, const char *);
42extern const char *perf_etc_perfconfig(void);
43extern int check_repository_format_version(const char *var, const char *value, void *cb);
44extern int perf_config_system(void);
45extern int perf_config_global(void);
46extern int config_error_nonbool(const char *); 25extern int config_error_nonbool(const char *);
47extern const char *config_exclusive_filename;
48
49#define MAX_PERFNAME (1000)
50extern char perf_default_email[MAX_PERFNAME];
51extern char perf_default_name[MAX_PERFNAME];
52extern int user_ident_explicitly_given;
53
54extern const char *perf_log_output_encoding;
55extern const char *perf_mailmap_file;
56
57/* IO helper functions */
58extern void maybe_flush_or_die(FILE *, const char *);
59extern int copy_fd(int ifd, int ofd);
60extern int copy_file(const char *dst, const char *src, int mode);
61extern ssize_t write_in_full(int fd, const void *buf, size_t count);
62extern void write_or_die(int fd, const void *buf, size_t count);
63extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg);
64extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg);
65extern void fsync_or_die(int fd, const char *);
66 26
67/* pager.c */ 27/* pager.c */
68extern void setup_pager(void); 28extern void setup_pager(void);
@@ -70,7 +30,7 @@ extern const char *pager_program;
70extern int pager_in_use(void); 30extern int pager_in_use(void);
71extern int pager_use_color; 31extern int pager_use_color;
72 32
73extern bool use_browser; 33extern int use_browser;
74 34
75#ifdef NO_NEWT_SUPPORT 35#ifdef NO_NEWT_SUPPORT
76static inline void setup_browser(void) 36static inline void setup_browser(void)
@@ -83,9 +43,6 @@ void setup_browser(void);
83void exit_browser(bool wait_for_ok); 43void exit_browser(bool wait_for_ok);
84#endif 44#endif
85 45
86extern const char *editor_program;
87extern const char *excludes_file;
88
89char *alias_lookup(const char *alias); 46char *alias_lookup(const char *alias);
90int split_cmdline(char *cmdline, const char ***argv); 47int split_cmdline(char *cmdline, const char ***argv);
91 48
@@ -115,22 +72,12 @@ static inline int is_absolute_path(const char *path)
115 return path[0] == '/'; 72 return path[0] == '/';
116} 73}
117 74
118const char *make_absolute_path(const char *path);
119const char *make_nonrelative_path(const char *path); 75const char *make_nonrelative_path(const char *path);
120const char *make_relative_path(const char *abs, const char *base);
121int normalize_path_copy(char *dst, const char *src);
122int longest_ancestor_length(const char *path, const char *prefix_list);
123char *strip_path_suffix(const char *path, const char *suffix); 76char *strip_path_suffix(const char *path, const char *suffix);
124 77
125extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); 78extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
126extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2))); 79extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
127/* perf_mkstemp() - create tmp file honoring TMPDIR variable */
128extern int perf_mkstemp(char *path, size_t len, const char *template);
129 80
130extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
131 __attribute__((format (printf, 3, 4)));
132extern char *perf_snpath(char *buf, size_t n, const char *fmt, ...)
133 __attribute__((format (printf, 3, 4)));
134extern char *perf_pathdup(const char *fmt, ...) 81extern char *perf_pathdup(const char *fmt, ...)
135 __attribute__((format (printf, 1, 2))); 82 __attribute__((format (printf, 1, 2)));
136 83
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 21a52e0a4435..62b69ad4aa73 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -15,6 +15,7 @@
15#include <errno.h> 15#include <errno.h>
16#include <math.h> 16#include <math.h>
17 17
18#include "util.h"
18#include "callchain.h" 19#include "callchain.h"
19 20
20bool ip_callchain__valid(struct ip_callchain *chain, event_t *event) 21bool ip_callchain__valid(struct ip_callchain *chain, event_t *event)
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 1cba1f5504e7..1ca73e4a2723 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -5,7 +5,6 @@
5#include <linux/list.h> 5#include <linux/list.h>
6#include <linux/rbtree.h> 6#include <linux/rbtree.h>
7#include "event.h" 7#include "event.h"
8#include "util.h"
9#include "symbol.h" 8#include "symbol.h"
10 9
11enum chain_mode { 10enum chain_mode {
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 8784649109ce..dabe892d0e53 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -16,7 +16,7 @@ static const char *config_file_name;
16static int config_linenr; 16static int config_linenr;
17static int config_file_eof; 17static int config_file_eof;
18 18
19const char *config_exclusive_filename = NULL; 19static const char *config_exclusive_filename;
20 20
21static int get_next_char(void) 21static int get_next_char(void)
22{ 22{
@@ -291,19 +291,6 @@ static int perf_parse_long(const char *value, long *ret)
291 return 0; 291 return 0;
292} 292}
293 293
294int perf_parse_ulong(const char *value, unsigned long *ret)
295{
296 if (value && *value) {
297 char *end;
298 unsigned long val = strtoul(value, &end, 0);
299 if (!parse_unit_factor(end, &val))
300 return 0;
301 *ret = val;
302 return 1;
303 }
304 return 0;
305}
306
307static void die_bad_config(const char *name) 294static void die_bad_config(const char *name)
308{ 295{
309 if (config_file_name) 296 if (config_file_name)
@@ -319,15 +306,7 @@ int perf_config_int(const char *name, const char *value)
319 return ret; 306 return ret;
320} 307}
321 308
322unsigned long perf_config_ulong(const char *name, const char *value) 309static int perf_config_bool_or_int(const char *name, const char *value, int *is_bool)
323{
324 unsigned long ret;
325 if (!perf_parse_ulong(value, &ret))
326 die_bad_config(name);
327 return ret;
328}
329
330int perf_config_bool_or_int(const char *name, const char *value, int *is_bool)
331{ 310{
332 *is_bool = 1; 311 *is_bool = 1;
333 if (!value) 312 if (!value)
@@ -348,14 +327,6 @@ int perf_config_bool(const char *name, const char *value)
348 return !!perf_config_bool_or_int(name, value, &discard); 327 return !!perf_config_bool_or_int(name, value, &discard);
349} 328}
350 329
351int perf_config_string(const char **dest, const char *var, const char *value)
352{
353 if (!value)
354 return config_error_nonbool(var);
355 *dest = strdup(value);
356 return 0;
357}
358
359static int perf_default_core_config(const char *var __used, const char *value __used) 330static int perf_default_core_config(const char *var __used, const char *value __used)
360{ 331{
361 /* Add other config variables here and to Documentation/config.txt. */ 332 /* Add other config variables here and to Documentation/config.txt. */
@@ -371,7 +342,7 @@ int perf_default_config(const char *var, const char *value, void *dummy __used)
371 return 0; 342 return 0;
372} 343}
373 344
374int perf_config_from_file(config_fn_t fn, const char *filename, void *data) 345static int perf_config_from_file(config_fn_t fn, const char *filename, void *data)
375{ 346{
376 int ret; 347 int ret;
377 FILE *f = fopen(filename, "r"); 348 FILE *f = fopen(filename, "r");
@@ -389,7 +360,7 @@ int perf_config_from_file(config_fn_t fn, const char *filename, void *data)
389 return ret; 360 return ret;
390} 361}
391 362
392const char *perf_etc_perfconfig(void) 363static const char *perf_etc_perfconfig(void)
393{ 364{
394 static const char *system_wide; 365 static const char *system_wide;
395 if (!system_wide) 366 if (!system_wide)
@@ -403,12 +374,12 @@ static int perf_env_bool(const char *k, int def)
403 return v ? perf_config_bool(k, v) : def; 374 return v ? perf_config_bool(k, v) : def;
404} 375}
405 376
406int perf_config_system(void) 377static int perf_config_system(void)
407{ 378{
408 return !perf_env_bool("PERF_CONFIG_NOSYSTEM", 0); 379 return !perf_env_bool("PERF_CONFIG_NOSYSTEM", 0);
409} 380}
410 381
411int perf_config_global(void) 382static int perf_config_global(void)
412{ 383{
413 return !perf_env_bool("PERF_CONFIG_NOGLOBAL", 0); 384 return !perf_env_bool("PERF_CONFIG_NOGLOBAL", 0);
414} 385}
@@ -450,426 +421,6 @@ int perf_config(config_fn_t fn, void *data)
450} 421}
451 422
452/* 423/*
453 * Find all the stuff for perf_config_set() below.
454 */
455
456#define MAX_MATCHES 512
457
458static struct {
459 int baselen;
460 char* key;
461 int do_not_match;
462 regex_t* value_regex;
463 int multi_replace;
464 size_t offset[MAX_MATCHES];
465 enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state;
466 int seen;
467} store;
468
469static int matches(const char* key, const char* value)
470{
471 return !strcmp(key, store.key) &&
472 (store.value_regex == NULL ||
473 (store.do_not_match ^
474 !regexec(store.value_regex, value, 0, NULL, 0)));
475}
476
477static int store_aux(const char* key, const char* value, void *cb __used)
478{
479 int section_len;
480 const char *ep;
481
482 switch (store.state) {
483 case KEY_SEEN:
484 if (matches(key, value)) {
485 if (store.seen == 1 && store.multi_replace == 0) {
486 warning("%s has multiple values", key);
487 } else if (store.seen >= MAX_MATCHES) {
488 error("too many matches for %s", key);
489 return 1;
490 }
491
492 store.offset[store.seen] = ftell(config_file);
493 store.seen++;
494 }
495 break;
496 case SECTION_SEEN:
497 /*
498 * What we are looking for is in store.key (both
499 * section and var), and its section part is baselen
500 * long. We found key (again, both section and var).
501 * We would want to know if this key is in the same
502 * section as what we are looking for. We already
503 * know we are in the same section as what should
504 * hold store.key.
505 */
506 ep = strrchr(key, '.');
507 section_len = ep - key;
508
509 if ((section_len != store.baselen) ||
510 memcmp(key, store.key, section_len+1)) {
511 store.state = SECTION_END_SEEN;
512 break;
513 }
514
515 /*
516 * Do not increment matches: this is no match, but we
517 * just made sure we are in the desired section.
518 */
519 store.offset[store.seen] = ftell(config_file);
520 /* fallthru */
521 case SECTION_END_SEEN:
522 case START:
523 if (matches(key, value)) {
524 store.offset[store.seen] = ftell(config_file);
525 store.state = KEY_SEEN;
526 store.seen++;
527 } else {
528 if (strrchr(key, '.') - key == store.baselen &&
529 !strncmp(key, store.key, store.baselen)) {
530 store.state = SECTION_SEEN;
531 store.offset[store.seen] = ftell(config_file);
532 }
533 }
534 default:
535 break;
536 }
537 return 0;
538}
539
540static int store_write_section(int fd, const char* key)
541{
542 const char *dot;
543 int i, success;
544 struct strbuf sb = STRBUF_INIT;
545
546 dot = memchr(key, '.', store.baselen);
547 if (dot) {
548 strbuf_addf(&sb, "[%.*s \"", (int)(dot - key), key);
549 for (i = dot - key + 1; i < store.baselen; i++) {
550 if (key[i] == '"' || key[i] == '\\')
551 strbuf_addch(&sb, '\\');
552 strbuf_addch(&sb, key[i]);
553 }
554 strbuf_addstr(&sb, "\"]\n");
555 } else {
556 strbuf_addf(&sb, "[%.*s]\n", store.baselen, key);
557 }
558
559 success = (write_in_full(fd, sb.buf, sb.len) == (ssize_t)sb.len);
560 strbuf_release(&sb);
561
562 return success;
563}
564
565static int store_write_pair(int fd, const char* key, const char* value)
566{
567 int i, success;
568 int length = strlen(key + store.baselen + 1);
569 const char *quote = "";
570 struct strbuf sb = STRBUF_INIT;
571
572 /*
573 * Check to see if the value needs to be surrounded with a dq pair.
574 * Note that problematic characters are always backslash-quoted; this
575 * check is about not losing leading or trailing SP and strings that
576 * follow beginning-of-comment characters (i.e. ';' and '#') by the
577 * configuration parser.
578 */
579 if (value[0] == ' ')
580 quote = "\"";
581 for (i = 0; value[i]; i++)
582 if (value[i] == ';' || value[i] == '#')
583 quote = "\"";
584 if (i && value[i - 1] == ' ')
585 quote = "\"";
586
587 strbuf_addf(&sb, "\t%.*s = %s",
588 length, key + store.baselen + 1, quote);
589
590 for (i = 0; value[i]; i++)
591 switch (value[i]) {
592 case '\n':
593 strbuf_addstr(&sb, "\\n");
594 break;
595 case '\t':
596 strbuf_addstr(&sb, "\\t");
597 break;
598 case '"':
599 case '\\':
600 strbuf_addch(&sb, '\\');
601 default:
602 strbuf_addch(&sb, value[i]);
603 break;
604 }
605 strbuf_addf(&sb, "%s\n", quote);
606
607 success = (write_in_full(fd, sb.buf, sb.len) == (ssize_t)sb.len);
608 strbuf_release(&sb);
609
610 return success;
611}
612
613static ssize_t find_beginning_of_line(const char* contents, size_t size,
614 size_t offset_, int* found_bracket)
615{
616 size_t equal_offset = size, bracket_offset = size;
617 ssize_t offset;
618
619contline:
620 for (offset = offset_-2; offset > 0
621 && contents[offset] != '\n'; offset--)
622 switch (contents[offset]) {
623 case '=': equal_offset = offset; break;
624 case ']': bracket_offset = offset; break;
625 default: break;
626 }
627 if (offset > 0 && contents[offset-1] == '\\') {
628 offset_ = offset;
629 goto contline;
630 }
631 if (bracket_offset < equal_offset) {
632 *found_bracket = 1;
633 offset = bracket_offset+1;
634 } else
635 offset++;
636
637 return offset;
638}
639
640int perf_config_set(const char* key, const char* value)
641{
642 return perf_config_set_multivar(key, value, NULL, 0);
643}
644
645/*
646 * If value==NULL, unset in (remove from) config,
647 * if value_regex!=NULL, disregard key/value pairs where value does not match.
648 * if multi_replace==0, nothing, or only one matching key/value is replaced,
649 * else all matching key/values (regardless how many) are removed,
650 * before the new pair is written.
651 *
652 * Returns 0 on success.
653 *
654 * This function does this:
655 *
656 * - it locks the config file by creating ".perf/config.lock"
657 *
658 * - it then parses the config using store_aux() as validator to find
659 * the position on the key/value pair to replace. If it is to be unset,
660 * it must be found exactly once.
661 *
662 * - the config file is mmap()ed and the part before the match (if any) is
663 * written to the lock file, then the changed part and the rest.
664 *
665 * - the config file is removed and the lock file rename()d to it.
666 *
667 */
668int perf_config_set_multivar(const char* key, const char* value,
669 const char* value_regex, int multi_replace)
670{
671 int i, dot;
672 int fd = -1, in_fd;
673 int ret = 0;
674 char* config_filename;
675 const char* last_dot = strrchr(key, '.');
676
677 if (config_exclusive_filename)
678 config_filename = strdup(config_exclusive_filename);
679 else
680 config_filename = perf_pathdup("config");
681
682 /*
683 * Since "key" actually contains the section name and the real
684 * key name separated by a dot, we have to know where the dot is.
685 */
686
687 if (last_dot == NULL) {
688 error("key does not contain a section: %s", key);
689 ret = 2;
690 goto out_free;
691 }
692 store.baselen = last_dot - key;
693
694 store.multi_replace = multi_replace;
695
696 /*
697 * Validate the key and while at it, lower case it for matching.
698 */
699 store.key = malloc(strlen(key) + 1);
700 dot = 0;
701 for (i = 0; key[i]; i++) {
702 unsigned char c = key[i];
703 if (c == '.')
704 dot = 1;
705 /* Leave the extended basename untouched.. */
706 if (!dot || i > store.baselen) {
707 if (!iskeychar(c) || (i == store.baselen+1 && !isalpha(c))) {
708 error("invalid key: %s", key);
709 free(store.key);
710 ret = 1;
711 goto out_free;
712 }
713 c = tolower(c);
714 } else if (c == '\n') {
715 error("invalid key (newline): %s", key);
716 free(store.key);
717 ret = 1;
718 goto out_free;
719 }
720 store.key[i] = c;
721 }
722 store.key[i] = 0;
723
724 /*
725 * If .perf/config does not exist yet, write a minimal version.
726 */
727 in_fd = open(config_filename, O_RDONLY);
728 if ( in_fd < 0 ) {
729 free(store.key);
730
731 if ( ENOENT != errno ) {
732 error("opening %s: %s", config_filename,
733 strerror(errno));
734 ret = 3; /* same as "invalid config file" */
735 goto out_free;
736 }
737 /* if nothing to unset, error out */
738 if (value == NULL) {
739 ret = 5;
740 goto out_free;
741 }
742
743 store.key = (char*)key;
744 if (!store_write_section(fd, key) ||
745 !store_write_pair(fd, key, value))
746 goto write_err_out;
747 } else {
748 struct stat st;
749 char *contents;
750 ssize_t contents_sz, copy_begin, copy_end;
751 int new_line = 0;
752
753 if (value_regex == NULL)
754 store.value_regex = NULL;
755 else {
756 if (value_regex[0] == '!') {
757 store.do_not_match = 1;
758 value_regex++;
759 } else
760 store.do_not_match = 0;
761
762 store.value_regex = (regex_t*)malloc(sizeof(regex_t));
763 if (regcomp(store.value_regex, value_regex,
764 REG_EXTENDED)) {
765 error("invalid pattern: %s", value_regex);
766 free(store.value_regex);
767 ret = 6;
768 goto out_free;
769 }
770 }
771
772 store.offset[0] = 0;
773 store.state = START;
774 store.seen = 0;
775
776 /*
777 * After this, store.offset will contain the *end* offset
778 * of the last match, or remain at 0 if no match was found.
779 * As a side effect, we make sure to transform only a valid
780 * existing config file.
781 */
782 if (perf_config_from_file(store_aux, config_filename, NULL)) {
783 error("invalid config file %s", config_filename);
784 free(store.key);
785 if (store.value_regex != NULL) {
786 regfree(store.value_regex);
787 free(store.value_regex);
788 }
789 ret = 3;
790 goto out_free;
791 }
792
793 free(store.key);
794 if (store.value_regex != NULL) {
795 regfree(store.value_regex);
796 free(store.value_regex);
797 }
798
799 /* if nothing to unset, or too many matches, error out */
800 if ((store.seen == 0 && value == NULL) ||
801 (store.seen > 1 && multi_replace == 0)) {
802 ret = 5;
803 goto out_free;
804 }
805
806 fstat(in_fd, &st);
807 contents_sz = xsize_t(st.st_size);
808 contents = mmap(NULL, contents_sz, PROT_READ,
809 MAP_PRIVATE, in_fd, 0);
810 close(in_fd);
811
812 if (store.seen == 0)
813 store.seen = 1;
814
815 for (i = 0, copy_begin = 0; i < store.seen; i++) {
816 if (store.offset[i] == 0) {
817 store.offset[i] = copy_end = contents_sz;
818 } else if (store.state != KEY_SEEN) {
819 copy_end = store.offset[i];
820 } else
821 copy_end = find_beginning_of_line(
822 contents, contents_sz,
823 store.offset[i]-2, &new_line);
824
825 if (copy_end > 0 && contents[copy_end-1] != '\n')
826 new_line = 1;
827
828 /* write the first part of the config */
829 if (copy_end > copy_begin) {
830 if (write_in_full(fd, contents + copy_begin,
831 copy_end - copy_begin) <
832 copy_end - copy_begin)
833 goto write_err_out;
834 if (new_line &&
835 write_in_full(fd, "\n", 1) != 1)
836 goto write_err_out;
837 }
838 copy_begin = store.offset[i];
839 }
840
841 /* write the pair (value == NULL means unset) */
842 if (value != NULL) {
843 if (store.state == START) {
844 if (!store_write_section(fd, key))
845 goto write_err_out;
846 }
847 if (!store_write_pair(fd, key, value))
848 goto write_err_out;
849 }
850
851 /* write the rest of the config */
852 if (copy_begin < contents_sz)
853 if (write_in_full(fd, contents + copy_begin,
854 contents_sz - copy_begin) <
855 contents_sz - copy_begin)
856 goto write_err_out;
857
858 munmap(contents, contents_sz);
859 }
860
861 ret = 0;
862
863out_free:
864 free(config_filename);
865 return ret;
866
867write_err_out:
868 goto out_free;
869
870}
871
872/*
873 * Call this to report error for your variable that should not 424 * Call this to report error for your variable that should not
874 * get a boolean value (i.e. "[my] var" means "true"). 425 * get a boolean value (i.e. "[my] var" means "true").
875 */ 426 */
diff --git a/tools/perf/util/exec_cmd.c b/tools/perf/util/exec_cmd.c
index 2745605dba11..67eeff571568 100644
--- a/tools/perf/util/exec_cmd.c
+++ b/tools/perf/util/exec_cmd.c
@@ -53,8 +53,8 @@ const char *perf_extract_argv0_path(const char *argv0)
53 slash--; 53 slash--;
54 54
55 if (slash >= argv0) { 55 if (slash >= argv0) {
56 argv0_path = xstrndup(argv0, slash - argv0); 56 argv0_path = strndup(argv0, slash - argv0);
57 return slash + 1; 57 return argv0_path ? slash + 1 : NULL;
58 } 58 }
59 59
60 return argv0; 60 return argv0;
@@ -116,7 +116,7 @@ void setup_path(void)
116 strbuf_release(&new_path); 116 strbuf_release(&new_path);
117} 117}
118 118
119const char **prepare_perf_cmd(const char **argv) 119static const char **prepare_perf_cmd(const char **argv)
120{ 120{
121 int argc; 121 int argc;
122 const char **nargv; 122 const char **nargv;
diff --git a/tools/perf/util/exec_cmd.h b/tools/perf/util/exec_cmd.h
index 31647ac92ed1..bc4b915963f5 100644
--- a/tools/perf/util/exec_cmd.h
+++ b/tools/perf/util/exec_cmd.h
@@ -5,7 +5,6 @@ extern void perf_set_argv_exec_path(const char *exec_path);
5extern const char *perf_extract_argv0_path(const char *path); 5extern const char *perf_extract_argv0_path(const char *path);
6extern const char *perf_exec_path(void); 6extern const char *perf_exec_path(void);
7extern void setup_path(void); 7extern void setup_path(void);
8extern const char **prepare_perf_cmd(const char **argv);
9extern int execv_perf_cmd(const char **argv); /* NULL terminated */ 8extern int execv_perf_cmd(const char **argv); /* NULL terminated */
10extern int execl_perf_cmd(const char *cmd, ...); 9extern int execl_perf_cmd(const char *cmd, ...);
11extern const char *system_path(const char *path); 10extern const char *system_path(const char *path);
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 8847bec64c54..1f62435f96c2 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -221,29 +221,38 @@ static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
221 return 0; 221 return 0;
222} 222}
223 223
224static int machine__write_buildid_table(struct machine *self, int fd)
225{
226 int err;
227 u16 kmisc = PERF_RECORD_MISC_KERNEL,
228 umisc = PERF_RECORD_MISC_USER;
229
230 if (!machine__is_host(self)) {
231 kmisc = PERF_RECORD_MISC_GUEST_KERNEL;
232 umisc = PERF_RECORD_MISC_GUEST_USER;
233 }
234
235 err = __dsos__write_buildid_table(&self->kernel_dsos, self->pid,
236 kmisc, fd);
237 if (err == 0)
238 err = __dsos__write_buildid_table(&self->user_dsos,
239 self->pid, umisc, fd);
240 return err;
241}
242
224static int dsos__write_buildid_table(struct perf_header *header, int fd) 243static int dsos__write_buildid_table(struct perf_header *header, int fd)
225{ 244{
226 struct perf_session *session = container_of(header, 245 struct perf_session *session = container_of(header,
227 struct perf_session, header); 246 struct perf_session, header);
228 struct rb_node *nd; 247 struct rb_node *nd;
229 int err = 0; 248 int err = machine__write_buildid_table(&session->host_machine, fd);
230 u16 kmisc, umisc; 249
250 if (err)
251 return err;
231 252
232 for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) { 253 for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
233 struct machine *pos = rb_entry(nd, struct machine, rb_node); 254 struct machine *pos = rb_entry(nd, struct machine, rb_node);
234 if (machine__is_host(pos)) { 255 err = machine__write_buildid_table(pos, fd);
235 kmisc = PERF_RECORD_MISC_KERNEL;
236 umisc = PERF_RECORD_MISC_USER;
237 } else {
238 kmisc = PERF_RECORD_MISC_GUEST_KERNEL;
239 umisc = PERF_RECORD_MISC_GUEST_USER;
240 }
241
242 err = __dsos__write_buildid_table(&pos->kernel_dsos, pos->pid,
243 kmisc, fd);
244 if (err == 0)
245 err = __dsos__write_buildid_table(&pos->user_dsos,
246 pos->pid, umisc, fd);
247 if (err) 256 if (err)
248 break; 257 break;
249 } 258 }
@@ -363,12 +372,17 @@ static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir)
363 return err; 372 return err;
364} 373}
365 374
366static int dsos__cache_build_ids(struct perf_header *self) 375static int machine__cache_build_ids(struct machine *self, const char *debugdir)
376{
377 int ret = __dsos__cache_build_ids(&self->kernel_dsos, debugdir);
378 ret |= __dsos__cache_build_ids(&self->user_dsos, debugdir);
379 return ret;
380}
381
382static int perf_session__cache_build_ids(struct perf_session *self)
367{ 383{
368 struct perf_session *session = container_of(self,
369 struct perf_session, header);
370 struct rb_node *nd; 384 struct rb_node *nd;
371 int ret = 0; 385 int ret;
372 char debugdir[PATH_MAX]; 386 char debugdir[PATH_MAX];
373 387
374 snprintf(debugdir, sizeof(debugdir), "%s/%s", getenv("HOME"), 388 snprintf(debugdir, sizeof(debugdir), "%s/%s", getenv("HOME"),
@@ -377,25 +391,30 @@ static int dsos__cache_build_ids(struct perf_header *self)
377 if (mkdir(debugdir, 0755) != 0 && errno != EEXIST) 391 if (mkdir(debugdir, 0755) != 0 && errno != EEXIST)
378 return -1; 392 return -1;
379 393
380 for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) { 394 ret = machine__cache_build_ids(&self->host_machine, debugdir);
395
396 for (nd = rb_first(&self->machines); nd; nd = rb_next(nd)) {
381 struct machine *pos = rb_entry(nd, struct machine, rb_node); 397 struct machine *pos = rb_entry(nd, struct machine, rb_node);
382 ret |= __dsos__cache_build_ids(&pos->kernel_dsos, debugdir); 398 ret |= machine__cache_build_ids(pos, debugdir);
383 ret |= __dsos__cache_build_ids(&pos->user_dsos, debugdir);
384 } 399 }
385 return ret ? -1 : 0; 400 return ret ? -1 : 0;
386} 401}
387 402
388static bool dsos__read_build_ids(struct perf_header *self, bool with_hits) 403static bool machine__read_build_ids(struct machine *self, bool with_hits)
404{
405 bool ret = __dsos__read_build_ids(&self->kernel_dsos, with_hits);
406 ret |= __dsos__read_build_ids(&self->user_dsos, with_hits);
407 return ret;
408}
409
410static bool perf_session__read_build_ids(struct perf_session *self, bool with_hits)
389{ 411{
390 bool ret = false;
391 struct perf_session *session = container_of(self,
392 struct perf_session, header);
393 struct rb_node *nd; 412 struct rb_node *nd;
413 bool ret = machine__read_build_ids(&self->host_machine, with_hits);
394 414
395 for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) { 415 for (nd = rb_first(&self->machines); nd; nd = rb_next(nd)) {
396 struct machine *pos = rb_entry(nd, struct machine, rb_node); 416 struct machine *pos = rb_entry(nd, struct machine, rb_node);
397 ret |= __dsos__read_build_ids(&pos->kernel_dsos, with_hits); 417 ret |= machine__read_build_ids(pos, with_hits);
398 ret |= __dsos__read_build_ids(&pos->user_dsos, with_hits);
399 } 418 }
400 419
401 return ret; 420 return ret;
@@ -404,12 +423,14 @@ static bool dsos__read_build_ids(struct perf_header *self, bool with_hits)
404static int perf_header__adds_write(struct perf_header *self, int fd) 423static int perf_header__adds_write(struct perf_header *self, int fd)
405{ 424{
406 int nr_sections; 425 int nr_sections;
426 struct perf_session *session;
407 struct perf_file_section *feat_sec; 427 struct perf_file_section *feat_sec;
408 int sec_size; 428 int sec_size;
409 u64 sec_start; 429 u64 sec_start;
410 int idx = 0, err; 430 int idx = 0, err;
411 431
412 if (dsos__read_build_ids(self, true)) 432 session = container_of(self, struct perf_session, header);
433 if (perf_session__read_build_ids(session, true))
413 perf_header__set_feat(self, HEADER_BUILD_ID); 434 perf_header__set_feat(self, HEADER_BUILD_ID);
414 435
415 nr_sections = bitmap_weight(self->adds_features, HEADER_FEAT_BITS); 436 nr_sections = bitmap_weight(self->adds_features, HEADER_FEAT_BITS);
@@ -450,7 +471,7 @@ static int perf_header__adds_write(struct perf_header *self, int fd)
450 } 471 }
451 buildid_sec->size = lseek(fd, 0, SEEK_CUR) - 472 buildid_sec->size = lseek(fd, 0, SEEK_CUR) -
452 buildid_sec->offset; 473 buildid_sec->offset;
453 dsos__cache_build_ids(self); 474 perf_session__cache_build_ids(session);
454 } 475 }
455 476
456 lseek(fd, sec_start, SEEK_SET); 477 lseek(fd, sec_start, SEEK_SET);
@@ -490,7 +511,6 @@ int perf_header__write(struct perf_header *self, int fd, bool at_exit)
490 511
491 lseek(fd, sizeof(f_header), SEEK_SET); 512 lseek(fd, sizeof(f_header), SEEK_SET);
492 513
493
494 for (i = 0; i < self->attrs; i++) { 514 for (i = 0; i < self->attrs; i++) {
495 attr = self->attr[i]; 515 attr = self->attr[i];
496 516
diff --git a/tools/perf/util/help.c b/tools/perf/util/help.c
index fbb00978b2e2..6f2975a00358 100644
--- a/tools/perf/util/help.c
+++ b/tools/perf/util/help.c
@@ -4,28 +4,6 @@
4#include "levenshtein.h" 4#include "levenshtein.h"
5#include "help.h" 5#include "help.h"
6 6
7/* most GUI terminals set COLUMNS (although some don't export it) */
8static int term_columns(void)
9{
10 char *col_string = getenv("COLUMNS");
11 int n_cols;
12
13 if (col_string && (n_cols = atoi(col_string)) > 0)
14 return n_cols;
15
16#ifdef TIOCGWINSZ
17 {
18 struct winsize ws;
19 if (!ioctl(1, TIOCGWINSZ, &ws)) {
20 if (ws.ws_col)
21 return ws.ws_col;
22 }
23 }
24#endif
25
26 return 80;
27}
28
29void add_cmdname(struct cmdnames *cmds, const char *name, size_t len) 7void add_cmdname(struct cmdnames *cmds, const char *name, size_t len)
30{ 8{
31 struct cmdname *ent = malloc(sizeof(*ent) + len + 1); 9 struct cmdname *ent = malloc(sizeof(*ent) + len + 1);
@@ -96,9 +74,13 @@ static void pretty_print_string_list(struct cmdnames *cmds, int longest)
96{ 74{
97 int cols = 1, rows; 75 int cols = 1, rows;
98 int space = longest + 1; /* min 1 SP between words */ 76 int space = longest + 1; /* min 1 SP between words */
99 int max_cols = term_columns() - 1; /* don't print *on* the edge */ 77 struct winsize win;
78 int max_cols;
100 int i, j; 79 int i, j;
101 80
81 get_term_dimensions(&win);
82 max_cols = win.ws_col - 1; /* don't print *on* the edge */
83
102 if (space < max_cols) 84 if (space < max_cols)
103 cols = max_cols / space; 85 cols = max_cols / space;
104 rows = (cmds->cnt + cols - 1) / cols; 86 rows = (cmds->cnt + cols - 1) / cols;
@@ -324,7 +306,7 @@ const char *help_unknown_cmd(const char *cmd)
324 306
325 main_cmds.names[0] = NULL; 307 main_cmds.names[0] = NULL;
326 clean_cmdnames(&main_cmds); 308 clean_cmdnames(&main_cmds);
327 fprintf(stderr, "WARNING: You called a Git program named '%s', " 309 fprintf(stderr, "WARNING: You called a perf program named '%s', "
328 "which does not exist.\n" 310 "which does not exist.\n"
329 "Continuing under the assumption that you meant '%s'\n", 311 "Continuing under the assumption that you meant '%s'\n",
330 cmd, assumed); 312 cmd, assumed);
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index f75c5f62401c..739c39fd0ade 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1,3 +1,4 @@
1#include "build-id.h"
1#include "util.h" 2#include "util.h"
2#include "hist.h" 3#include "hist.h"
3#include "session.h" 4#include "session.h"
@@ -662,7 +663,7 @@ size_t hists__fprintf(struct hists *self, struct hists *pair,
662 long displacement = 0; 663 long displacement = 0;
663 unsigned int width; 664 unsigned int width;
664 const char *sep = symbol_conf.field_sep; 665 const char *sep = symbol_conf.field_sep;
665 char *col_width = symbol_conf.col_width_list_str; 666 const char *col_width = symbol_conf.col_width_list_str;
666 667
667 init_rem_hits(); 668 init_rem_hits();
668 669
@@ -988,22 +989,35 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
988 struct symbol *sym = self->ms.sym; 989 struct symbol *sym = self->ms.sym;
989 struct map *map = self->ms.map; 990 struct map *map = self->ms.map;
990 struct dso *dso = map->dso; 991 struct dso *dso = map->dso;
991 const char *filename = dso->long_name; 992 char *filename = dso__build_id_filename(dso, NULL, 0);
992 char command[PATH_MAX * 2]; 993 char command[PATH_MAX * 2];
993 FILE *file; 994 FILE *file;
995 int err = -1;
994 u64 len; 996 u64 len;
995 997
996 if (!filename) 998 if (filename == NULL) {
997 return -1; 999 if (dso->has_build_id) {
1000 pr_err("Can't annotate %s: not enough memory\n",
1001 sym->name);
1002 return -1;
1003 }
1004 /*
1005 * If we don't have build-ids, well, lets hope that this
1006 * DSO is the same as when 'perf record' ran.
1007 */
1008 filename = dso->long_name;
1009 }
998 1010
999 if (dso->origin == DSO__ORIG_KERNEL) { 1011 if (dso->origin == DSO__ORIG_KERNEL) {
1000 if (dso->annotate_warned) 1012 if (dso->annotate_warned) {
1001 return 0; 1013 err = 0;
1014 goto out_free_filename;
1015 }
1002 dso->annotate_warned = 1; 1016 dso->annotate_warned = 1;
1003 pr_err("Can't annotate %s: No vmlinux file was found in the " 1017 pr_err("Can't annotate %s: No vmlinux file was found in the "
1004 "path:\n", sym->name); 1018 "path:\n", sym->name);
1005 vmlinux_path__fprintf(stderr); 1019 vmlinux_path__fprintf(stderr);
1006 return -1; 1020 goto out_free_filename;
1007 } 1021 }
1008 1022
1009 pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__, 1023 pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__,
@@ -1025,14 +1039,18 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
1025 1039
1026 file = popen(command, "r"); 1040 file = popen(command, "r");
1027 if (!file) 1041 if (!file)
1028 return -1; 1042 goto out_free_filename;
1029 1043
1030 while (!feof(file)) 1044 while (!feof(file))
1031 if (hist_entry__parse_objdump_line(self, file, head) < 0) 1045 if (hist_entry__parse_objdump_line(self, file, head) < 0)
1032 break; 1046 break;
1033 1047
1034 pclose(file); 1048 pclose(file);
1035 return 0; 1049 err = 0;
1050out_free_filename:
1051 if (dso->has_build_id)
1052 free(filename);
1053 return err;
1036} 1054}
1037 1055
1038void hists__inc_nr_events(struct hists *self, u32 type) 1056void hists__inc_nr_events(struct hists *self, u32 type)
diff --git a/tools/perf/util/include/linux/kernel.h b/tools/perf/util/include/linux/kernel.h
index 388ab1bfd114..1eb804fd3fbf 100644
--- a/tools/perf/util/include/linux/kernel.h
+++ b/tools/perf/util/include/linux/kernel.h
@@ -28,6 +28,8 @@
28 (type *)((char *)__mptr - offsetof(type, member)); }) 28 (type *)((char *)__mptr - offsetof(type, member)); })
29#endif 29#endif
30 30
31#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
32
31#ifndef max 33#ifndef max
32#define max(x, y) ({ \ 34#define max(x, y) ({ \
33 typeof(x) _max1 = (x); \ 35 typeof(x) _max1 = (x); \
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index 6974431d212f..0b45658f7497 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -1,7 +1,15 @@
1#define _GNU_SOURCE 1#define _GNU_SOURCE
2#include <stdio.h> 2#include <stdio.h>
3#undef _GNU_SOURCE 3#undef _GNU_SOURCE
4 4/*
5 * slang versions <= 2.0.6 have a "#if HAVE_LONG_LONG" that breaks
6 * the build if it isn't defined. Use the equivalent one that glibc
7 * has on features.h.
8 */
9#include <features.h>
10#ifndef HAVE_LONG_LONG
11#define HAVE_LONG_LONG __GLIBC_HAVE_LONG_LONG
12#endif
5#include <slang.h> 13#include <slang.h>
6#include <stdlib.h> 14#include <stdlib.h>
7#include <newt.h> 15#include <newt.h>
@@ -14,6 +22,17 @@
14#include "sort.h" 22#include "sort.h"
15#include "symbol.h" 23#include "symbol.h"
16 24
25#if SLANG_VERSION < 20104
26#define slsmg_printf(msg, args...) SLsmg_printf((char *)msg, ##args)
27#define slsmg_write_nstring(msg, len) SLsmg_write_nstring((char *)msg, len)
28#define sltt_set_color(obj, name, fg, bg) SLtt_set_color(obj,(char *)name,\
29 (char *)fg, (char *)bg)
30#else
31#define slsmg_printf SLsmg_printf
32#define slsmg_write_nstring SLsmg_write_nstring
33#define sltt_set_color SLtt_set_color
34#endif
35
17struct ui_progress { 36struct ui_progress {
18 newtComponent form, scale; 37 newtComponent form, scale;
19}; 38};
@@ -118,6 +137,7 @@ int browser__show_help(const char *format, va_list ap)
118 137
119static void newt_form__set_exit_keys(newtComponent self) 138static void newt_form__set_exit_keys(newtComponent self)
120{ 139{
140 newtFormAddHotKey(self, NEWT_KEY_LEFT);
121 newtFormAddHotKey(self, NEWT_KEY_ESCAPE); 141 newtFormAddHotKey(self, NEWT_KEY_ESCAPE);
122 newtFormAddHotKey(self, 'Q'); 142 newtFormAddHotKey(self, 'Q');
123 newtFormAddHotKey(self, 'q'); 143 newtFormAddHotKey(self, 'q');
@@ -166,6 +186,48 @@ out_destroy_form:
166 return rc; 186 return rc;
167} 187}
168 188
189static int ui__help_window(const char *text)
190{
191 struct newtExitStruct es;
192 newtComponent tb, form = newt_form__new();
193 int rc = -1;
194 int max_len = 0, nr_lines = 0;
195 const char *t;
196
197 if (form == NULL)
198 return -1;
199
200 t = text;
201 while (1) {
202 const char *sep = strchr(t, '\n');
203 int len;
204
205 if (sep == NULL)
206 sep = strchr(t, '\0');
207 len = sep - t;
208 if (max_len < len)
209 max_len = len;
210 ++nr_lines;
211 if (*sep == '\0')
212 break;
213 t = sep + 1;
214 }
215
216 tb = newtTextbox(0, 0, max_len, nr_lines, 0);
217 if (tb == NULL)
218 goto out_destroy_form;
219
220 newtTextboxSetText(tb, text);
221 newtFormAddComponent(form, tb);
222 newtCenteredWindow(max_len, nr_lines, NULL);
223 newtFormRun(form, &es);
224 newtPopWindow();
225 rc = 0;
226out_destroy_form:
227 newtFormDestroy(form);
228 return rc;
229}
230
169static bool dialog_yesno(const char *msg) 231static bool dialog_yesno(const char *msg)
170{ 232{
171 /* newtWinChoice should really be accepting const char pointers... */ 233 /* newtWinChoice should really be accepting const char pointers... */
@@ -249,21 +311,21 @@ static int objdump_line__show(struct objdump_line *self, struct list_head *head,
249 311
250 color = ui_browser__percent_color(percent, current_entry); 312 color = ui_browser__percent_color(percent, current_entry);
251 SLsmg_set_color(color); 313 SLsmg_set_color(color);
252 SLsmg_printf(" %7.2f ", percent); 314 slsmg_printf(" %7.2f ", percent);
253 if (!current_entry) 315 if (!current_entry)
254 SLsmg_set_color(HE_COLORSET_CODE); 316 SLsmg_set_color(HE_COLORSET_CODE);
255 } else { 317 } else {
256 int color = ui_browser__percent_color(0, current_entry); 318 int color = ui_browser__percent_color(0, current_entry);
257 SLsmg_set_color(color); 319 SLsmg_set_color(color);
258 SLsmg_write_nstring(" ", 9); 320 slsmg_write_nstring(" ", 9);
259 } 321 }
260 322
261 SLsmg_write_char(':'); 323 SLsmg_write_char(':');
262 SLsmg_write_nstring(" ", 8); 324 slsmg_write_nstring(" ", 8);
263 if (!*self->line) 325 if (!*self->line)
264 SLsmg_write_nstring(" ", width - 18); 326 slsmg_write_nstring(" ", width - 18);
265 else 327 else
266 SLsmg_write_nstring(self->line, width - 18); 328 slsmg_write_nstring(self->line, width - 18);
267 329
268 return 0; 330 return 0;
269} 331}
@@ -321,9 +383,9 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
321 newtFormAddHotKey(self->form, NEWT_KEY_DOWN); 383 newtFormAddHotKey(self->form, NEWT_KEY_DOWN);
322 newtFormAddHotKey(self->form, NEWT_KEY_PGUP); 384 newtFormAddHotKey(self->form, NEWT_KEY_PGUP);
323 newtFormAddHotKey(self->form, NEWT_KEY_PGDN); 385 newtFormAddHotKey(self->form, NEWT_KEY_PGDN);
386 newtFormAddHotKey(self->form, ' ');
324 newtFormAddHotKey(self->form, NEWT_KEY_HOME); 387 newtFormAddHotKey(self->form, NEWT_KEY_HOME);
325 newtFormAddHotKey(self->form, NEWT_KEY_END); 388 newtFormAddHotKey(self->form, NEWT_KEY_END);
326 newtFormAddHotKey(self->form, NEWT_KEY_LEFT);
327 389
328 if (ui_browser__refresh_entries(self) < 0) 390 if (ui_browser__refresh_entries(self) < 0)
329 return -1; 391 return -1;
@@ -358,6 +420,7 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
358 } 420 }
359 break; 421 break;
360 case NEWT_KEY_PGDN: 422 case NEWT_KEY_PGDN:
423 case ' ':
361 if (self->first_visible_entry_idx + self->height > self->nr_entries - 1) 424 if (self->first_visible_entry_idx + self->height > self->nr_entries - 1)
362 break; 425 break;
363 426
@@ -756,8 +819,11 @@ static int hist_browser__populate(struct hist_browser *self, struct hists *hists
756 newtFormAddHotKey(self->form, 'd'); 819 newtFormAddHotKey(self->form, 'd');
757 newtFormAddHotKey(self->form, 'T'); 820 newtFormAddHotKey(self->form, 'T');
758 newtFormAddHotKey(self->form, 't'); 821 newtFormAddHotKey(self->form, 't');
822 newtFormAddHotKey(self->form, '?');
823 newtFormAddHotKey(self->form, 'H');
824 newtFormAddHotKey(self->form, 'h');
825 newtFormAddHotKey(self->form, NEWT_KEY_F1);
759 newtFormAddHotKey(self->form, NEWT_KEY_RIGHT); 826 newtFormAddHotKey(self->form, NEWT_KEY_RIGHT);
760 newtFormAddHotKey(self->form, NEWT_KEY_LEFT);
761 newtFormAddComponents(self->form, self->tree, NULL); 827 newtFormAddComponents(self->form, self->tree, NULL);
762 self->selection = newt__symbol_tree_get_current(self->tree); 828 self->selection = newt__symbol_tree_get_current(self->tree);
763 829
@@ -843,6 +909,9 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
843 dso = browser->selection->map ? browser->selection->map->dso : NULL; 909 dso = browser->selection->map ? browser->selection->map->dso : NULL;
844 910
845 if (es.reason == NEWT_EXIT_HOTKEY) { 911 if (es.reason == NEWT_EXIT_HOTKEY) {
912 if (es.u.key == NEWT_KEY_F1)
913 goto do_help;
914
846 switch (toupper(es.u.key)) { 915 switch (toupper(es.u.key)) {
847 case 'A': 916 case 'A':
848 goto do_annotate; 917 goto do_annotate;
@@ -850,6 +919,17 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
850 goto zoom_dso; 919 goto zoom_dso;
851 case 'T': 920 case 'T':
852 goto zoom_thread; 921 goto zoom_thread;
922 case 'H':
923 case '?':
924do_help:
925 ui__help_window("-> Zoom into DSO/Threads & Annotate current symbol\n"
926 "<- Zoom out\n"
927 "a Annotate current symbol\n"
928 "h/?/F1 Show this window\n"
929 "d Zoom into current DSO\n"
930 "t Zoom into current Thread\n"
931 "q/CTRL+C Exit browser");
932 continue;
853 default:; 933 default:;
854 } 934 }
855 if (toupper(es.u.key) == 'Q' || 935 if (toupper(es.u.key) == 'Q' ||
@@ -988,23 +1068,26 @@ static struct newtPercentTreeColors {
988void setup_browser(void) 1068void setup_browser(void)
989{ 1069{
990 struct newtPercentTreeColors *c = &defaultPercentTreeColors; 1070 struct newtPercentTreeColors *c = &defaultPercentTreeColors;
991 if (!isatty(1)) 1071
1072 if (!isatty(1) || !use_browser) {
1073 setup_pager();
992 return; 1074 return;
1075 }
993 1076
994 use_browser = true; 1077 use_browser = 1;
995 newtInit(); 1078 newtInit();
996 newtCls(); 1079 newtCls();
997 ui_helpline__puts(" "); 1080 ui_helpline__puts(" ");
998 SLtt_set_color(HE_COLORSET_TOP, NULL, c->topColorFg, c->topColorBg); 1081 sltt_set_color(HE_COLORSET_TOP, NULL, c->topColorFg, c->topColorBg);
999 SLtt_set_color(HE_COLORSET_MEDIUM, NULL, c->mediumColorFg, c->mediumColorBg); 1082 sltt_set_color(HE_COLORSET_MEDIUM, NULL, c->mediumColorFg, c->mediumColorBg);
1000 SLtt_set_color(HE_COLORSET_NORMAL, NULL, c->normalColorFg, c->normalColorBg); 1083 sltt_set_color(HE_COLORSET_NORMAL, NULL, c->normalColorFg, c->normalColorBg);
1001 SLtt_set_color(HE_COLORSET_SELECTED, NULL, c->selColorFg, c->selColorBg); 1084 sltt_set_color(HE_COLORSET_SELECTED, NULL, c->selColorFg, c->selColorBg);
1002 SLtt_set_color(HE_COLORSET_CODE, NULL, c->codeColorFg, c->codeColorBg); 1085 sltt_set_color(HE_COLORSET_CODE, NULL, c->codeColorFg, c->codeColorBg);
1003} 1086}
1004 1087
1005void exit_browser(bool wait_for_ok) 1088void exit_browser(bool wait_for_ok)
1006{ 1089{
1007 if (use_browser) { 1090 if (use_browser > 0) {
1008 if (wait_for_ok) { 1091 if (wait_for_ok) {
1009 char title[] = "Fatal Error", ok[] = "Ok"; 1092 char title[] = "Fatal Error", ok[] = "Ok";
1010 newtWinMessage(title, ok, browser__last_msg); 1093 newtWinMessage(title, ok, browser__last_msg);
diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c
index ed887642460c..99d02aa57dbf 100644
--- a/tools/perf/util/parse-options.c
+++ b/tools/perf/util/parse-options.c
@@ -51,7 +51,7 @@ static int get_value(struct parse_opt_ctx_t *p,
51 case OPTION_BOOLEAN: 51 case OPTION_BOOLEAN:
52 case OPTION_INCR: 52 case OPTION_INCR:
53 case OPTION_BIT: 53 case OPTION_BIT:
54 case OPTION_SET_INT: 54 case OPTION_SET_UINT:
55 case OPTION_SET_PTR: 55 case OPTION_SET_PTR:
56 return opterror(opt, "takes no value", flags); 56 return opterror(opt, "takes no value", flags);
57 case OPTION_END: 57 case OPTION_END:
@@ -59,7 +59,9 @@ static int get_value(struct parse_opt_ctx_t *p,
59 case OPTION_GROUP: 59 case OPTION_GROUP:
60 case OPTION_STRING: 60 case OPTION_STRING:
61 case OPTION_INTEGER: 61 case OPTION_INTEGER:
62 case OPTION_UINTEGER:
62 case OPTION_LONG: 63 case OPTION_LONG:
64 case OPTION_U64:
63 default: 65 default:
64 break; 66 break;
65 } 67 }
@@ -81,8 +83,8 @@ static int get_value(struct parse_opt_ctx_t *p,
81 *(int *)opt->value = unset ? 0 : *(int *)opt->value + 1; 83 *(int *)opt->value = unset ? 0 : *(int *)opt->value + 1;
82 return 0; 84 return 0;
83 85
84 case OPTION_SET_INT: 86 case OPTION_SET_UINT:
85 *(int *)opt->value = unset ? 0 : opt->defval; 87 *(unsigned int *)opt->value = unset ? 0 : opt->defval;
86 return 0; 88 return 0;
87 89
88 case OPTION_SET_PTR: 90 case OPTION_SET_PTR:
@@ -125,6 +127,22 @@ static int get_value(struct parse_opt_ctx_t *p,
125 return opterror(opt, "expects a numerical value", flags); 127 return opterror(opt, "expects a numerical value", flags);
126 return 0; 128 return 0;
127 129
130 case OPTION_UINTEGER:
131 if (unset) {
132 *(unsigned int *)opt->value = 0;
133 return 0;
134 }
135 if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {
136 *(unsigned int *)opt->value = opt->defval;
137 return 0;
138 }
139 if (get_arg(p, opt, flags, &arg))
140 return -1;
141 *(unsigned int *)opt->value = strtol(arg, (char **)&s, 10);
142 if (*s)
143 return opterror(opt, "expects a numerical value", flags);
144 return 0;
145
128 case OPTION_LONG: 146 case OPTION_LONG:
129 if (unset) { 147 if (unset) {
130 *(long *)opt->value = 0; 148 *(long *)opt->value = 0;
@@ -141,6 +159,22 @@ static int get_value(struct parse_opt_ctx_t *p,
141 return opterror(opt, "expects a numerical value", flags); 159 return opterror(opt, "expects a numerical value", flags);
142 return 0; 160 return 0;
143 161
162 case OPTION_U64:
163 if (unset) {
164 *(u64 *)opt->value = 0;
165 return 0;
166 }
167 if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {
168 *(u64 *)opt->value = opt->defval;
169 return 0;
170 }
171 if (get_arg(p, opt, flags, &arg))
172 return -1;
173 *(u64 *)opt->value = strtoull(arg, (char **)&s, 10);
174 if (*s)
175 return opterror(opt, "expects a numerical value", flags);
176 return 0;
177
144 case OPTION_END: 178 case OPTION_END:
145 case OPTION_ARGUMENT: 179 case OPTION_ARGUMENT:
146 case OPTION_GROUP: 180 case OPTION_GROUP:
@@ -446,7 +480,10 @@ int usage_with_options_internal(const char * const *usagestr,
446 switch (opts->type) { 480 switch (opts->type) {
447 case OPTION_ARGUMENT: 481 case OPTION_ARGUMENT:
448 break; 482 break;
483 case OPTION_LONG:
484 case OPTION_U64:
449 case OPTION_INTEGER: 485 case OPTION_INTEGER:
486 case OPTION_UINTEGER:
450 if (opts->flags & PARSE_OPT_OPTARG) 487 if (opts->flags & PARSE_OPT_OPTARG)
451 if (opts->long_name) 488 if (opts->long_name)
452 pos += fprintf(stderr, "[=<n>]"); 489 pos += fprintf(stderr, "[=<n>]");
@@ -478,15 +515,14 @@ int usage_with_options_internal(const char * const *usagestr,
478 pos += fprintf(stderr, " ..."); 515 pos += fprintf(stderr, " ...");
479 } 516 }
480 break; 517 break;
481 default: /* OPTION_{BIT,BOOLEAN,SET_INT,SET_PTR} */ 518 default: /* OPTION_{BIT,BOOLEAN,SET_UINT,SET_PTR} */
482 case OPTION_END: 519 case OPTION_END:
483 case OPTION_GROUP: 520 case OPTION_GROUP:
484 case OPTION_BIT: 521 case OPTION_BIT:
485 case OPTION_BOOLEAN: 522 case OPTION_BOOLEAN:
486 case OPTION_INCR: 523 case OPTION_INCR:
487 case OPTION_SET_INT: 524 case OPTION_SET_UINT:
488 case OPTION_SET_PTR: 525 case OPTION_SET_PTR:
489 case OPTION_LONG:
490 break; 526 break;
491 } 527 }
492 528
diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h
index b2da725f102a..c7d72dce54b2 100644
--- a/tools/perf/util/parse-options.h
+++ b/tools/perf/util/parse-options.h
@@ -1,6 +1,9 @@
1#ifndef __PERF_PARSE_OPTIONS_H 1#ifndef __PERF_PARSE_OPTIONS_H
2#define __PERF_PARSE_OPTIONS_H 2#define __PERF_PARSE_OPTIONS_H
3 3
4#include <linux/kernel.h>
5#include <stdbool.h>
6
4enum parse_opt_type { 7enum parse_opt_type {
5 /* special types */ 8 /* special types */
6 OPTION_END, 9 OPTION_END,
@@ -10,13 +13,15 @@ enum parse_opt_type {
10 OPTION_BIT, 13 OPTION_BIT,
11 OPTION_BOOLEAN, 14 OPTION_BOOLEAN,
12 OPTION_INCR, 15 OPTION_INCR,
13 OPTION_SET_INT, 16 OPTION_SET_UINT,
14 OPTION_SET_PTR, 17 OPTION_SET_PTR,
15 /* options with arguments (usually) */ 18 /* options with arguments (usually) */
16 OPTION_STRING, 19 OPTION_STRING,
17 OPTION_INTEGER, 20 OPTION_INTEGER,
18 OPTION_LONG, 21 OPTION_LONG,
19 OPTION_CALLBACK, 22 OPTION_CALLBACK,
23 OPTION_U64,
24 OPTION_UINTEGER,
20}; 25};
21 26
22enum parse_opt_flags { 27enum parse_opt_flags {
@@ -74,7 +79,7 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
74 * 79 *
75 * `defval`:: 80 * `defval`::
76 * default value to fill (*->value) with for PARSE_OPT_OPTARG. 81 * default value to fill (*->value) with for PARSE_OPT_OPTARG.
77 * OPTION_{BIT,SET_INT,SET_PTR} store the {mask,integer,pointer} to put in 82 * OPTION_{BIT,SET_UINT,SET_PTR} store the {mask,integer,pointer} to put in
78 * the value when met. 83 * the value when met.
79 * CALLBACKS can use it like they want. 84 * CALLBACKS can use it like they want.
80 */ 85 */
@@ -91,17 +96,21 @@ struct option {
91 intptr_t defval; 96 intptr_t defval;
92}; 97};
93 98
99#define check_vtype(v, type) ( BUILD_BUG_ON_ZERO(!__builtin_types_compatible_p(typeof(v), type)) + v )
100
94#define OPT_END() { .type = OPTION_END } 101#define OPT_END() { .type = OPTION_END }
95#define OPT_ARGUMENT(l, h) { .type = OPTION_ARGUMENT, .long_name = (l), .help = (h) } 102#define OPT_ARGUMENT(l, h) { .type = OPTION_ARGUMENT, .long_name = (l), .help = (h) }
96#define OPT_GROUP(h) { .type = OPTION_GROUP, .help = (h) } 103#define OPT_GROUP(h) { .type = OPTION_GROUP, .help = (h) }
97#define OPT_BIT(s, l, v, h, b) { .type = OPTION_BIT, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (b) } 104#define OPT_BIT(s, l, v, h, b) { .type = OPTION_BIT, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h), .defval = (b) }
98#define OPT_BOOLEAN(s, l, v, h) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = (v), .help = (h) } 105#define OPT_BOOLEAN(s, l, v, h) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h) }
99#define OPT_INCR(s, l, v, h) { .type = OPTION_INCR, .short_name = (s), .long_name = (l), .value = (v), .help = (h) } 106#define OPT_INCR(s, l, v, h) { .type = OPTION_INCR, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) }
100#define OPT_SET_INT(s, l, v, h, i) { .type = OPTION_SET_INT, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (i) } 107#define OPT_SET_UINT(s, l, v, h, i) { .type = OPTION_SET_UINT, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h), .defval = (i) }
101#define OPT_SET_PTR(s, l, v, h, p) { .type = OPTION_SET_PTR, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (p) } 108#define OPT_SET_PTR(s, l, v, h, p) { .type = OPTION_SET_PTR, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (p) }
102#define OPT_INTEGER(s, l, v, h) { .type = OPTION_INTEGER, .short_name = (s), .long_name = (l), .value = (v), .help = (h) } 109#define OPT_INTEGER(s, l, v, h) { .type = OPTION_INTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) }
103#define OPT_LONG(s, l, v, h) { .type = OPTION_LONG, .short_name = (s), .long_name = (l), .value = (v), .help = (h) } 110#define OPT_UINTEGER(s, l, v, h) { .type = OPTION_UINTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h) }
104#define OPT_STRING(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h) } 111#define OPT_LONG(s, l, v, h) { .type = OPTION_LONG, .short_name = (s), .long_name = (l), .value = check_vtype(v, long *), .help = (h) }
112#define OPT_U64(s, l, v, h) { .type = OPTION_U64, .short_name = (s), .long_name = (l), .value = check_vtype(v, u64 *), .help = (h) }
113#define OPT_STRING(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), (a), .help = (h) }
105#define OPT_DATE(s, l, v, h) \ 114#define OPT_DATE(s, l, v, h) \
106 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = "time", .help = (h), .callback = parse_opt_approxidate_cb } 115 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = "time", .help = (h), .callback = parse_opt_approxidate_cb }
107#define OPT_CALLBACK(s, l, v, a, h, f) \ 116#define OPT_CALLBACK(s, l, v, a, h, f) \
diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c
index fd1f2faaade4..58a470d036dd 100644
--- a/tools/perf/util/path.c
+++ b/tools/perf/util/path.c
@@ -54,21 +54,6 @@ static char *cleanup_path(char *path)
54 return path; 54 return path;
55} 55}
56 56
57char *mksnpath(char *buf, size_t n, const char *fmt, ...)
58{
59 va_list args;
60 unsigned len;
61
62 va_start(args, fmt);
63 len = vsnprintf(buf, n, fmt, args);
64 va_end(args);
65 if (len >= n) {
66 strlcpy(buf, bad_path, n);
67 return buf;
68 }
69 return cleanup_path(buf);
70}
71
72static char *perf_vsnpath(char *buf, size_t n, const char *fmt, va_list args) 57static char *perf_vsnpath(char *buf, size_t n, const char *fmt, va_list args)
73{ 58{
74 const char *perf_dir = get_perf_dir(); 59 const char *perf_dir = get_perf_dir();
@@ -89,15 +74,6 @@ bad:
89 return buf; 74 return buf;
90} 75}
91 76
92char *perf_snpath(char *buf, size_t n, const char *fmt, ...)
93{
94 va_list args;
95 va_start(args, fmt);
96 (void)perf_vsnpath(buf, n, fmt, args);
97 va_end(args);
98 return buf;
99}
100
101char *perf_pathdup(const char *fmt, ...) 77char *perf_pathdup(const char *fmt, ...)
102{ 78{
103 char path[PATH_MAX]; 79 char path[PATH_MAX];
@@ -143,184 +119,6 @@ char *perf_path(const char *fmt, ...)
143 return cleanup_path(pathname); 119 return cleanup_path(pathname);
144} 120}
145 121
146
147/* perf_mkstemp() - create tmp file honoring TMPDIR variable */
148int perf_mkstemp(char *path, size_t len, const char *template)
149{
150 const char *tmp;
151 size_t n;
152
153 tmp = getenv("TMPDIR");
154 if (!tmp)
155 tmp = "/tmp";
156 n = snprintf(path, len, "%s/%s", tmp, template);
157 if (len <= n) {
158 errno = ENAMETOOLONG;
159 return -1;
160 }
161 return mkstemp(path);
162}
163
164
165const char *make_relative_path(const char *abs_path, const char *base)
166{
167 static char buf[PATH_MAX + 1];
168 int baselen;
169
170 if (!base)
171 return abs_path;
172
173 baselen = strlen(base);
174 if (prefixcmp(abs_path, base))
175 return abs_path;
176 if (abs_path[baselen] == '/')
177 baselen++;
178 else if (base[baselen - 1] != '/')
179 return abs_path;
180
181 strcpy(buf, abs_path + baselen);
182
183 return buf;
184}
185
186/*
187 * It is okay if dst == src, but they should not overlap otherwise.
188 *
189 * Performs the following normalizations on src, storing the result in dst:
190 * - Ensures that components are separated by '/' (Windows only)
191 * - Squashes sequences of '/'.
192 * - Removes "." components.
193 * - Removes ".." components, and the components the precede them.
194 * Returns failure (non-zero) if a ".." component appears as first path
195 * component anytime during the normalization. Otherwise, returns success (0).
196 *
197 * Note that this function is purely textual. It does not follow symlinks,
198 * verify the existence of the path, or make any system calls.
199 */
200int normalize_path_copy(char *dst, const char *src)
201{
202 char *dst0;
203
204 if (has_dos_drive_prefix(src)) {
205 *dst++ = *src++;
206 *dst++ = *src++;
207 }
208 dst0 = dst;
209
210 if (is_dir_sep(*src)) {
211 *dst++ = '/';
212 while (is_dir_sep(*src))
213 src++;
214 }
215
216 for (;;) {
217 char c = *src;
218
219 /*
220 * A path component that begins with . could be
221 * special:
222 * (1) "." and ends -- ignore and terminate.
223 * (2) "./" -- ignore them, eat slash and continue.
224 * (3) ".." and ends -- strip one and terminate.
225 * (4) "../" -- strip one, eat slash and continue.
226 */
227 if (c == '.') {
228 if (!src[1]) {
229 /* (1) */
230 src++;
231 } else if (is_dir_sep(src[1])) {
232 /* (2) */
233 src += 2;
234 while (is_dir_sep(*src))
235 src++;
236 continue;
237 } else if (src[1] == '.') {
238 if (!src[2]) {
239 /* (3) */
240 src += 2;
241 goto up_one;
242 } else if (is_dir_sep(src[2])) {
243 /* (4) */
244 src += 3;
245 while (is_dir_sep(*src))
246 src++;
247 goto up_one;
248 }
249 }
250 }
251
252 /* copy up to the next '/', and eat all '/' */
253 while ((c = *src++) != '\0' && !is_dir_sep(c))
254 *dst++ = c;
255 if (is_dir_sep(c)) {
256 *dst++ = '/';
257 while (is_dir_sep(c))
258 c = *src++;
259 src--;
260 } else if (!c)
261 break;
262 continue;
263
264 up_one:
265 /*
266 * dst0..dst is prefix portion, and dst[-1] is '/';
267 * go up one level.
268 */
269 dst--; /* go to trailing '/' */
270 if (dst <= dst0)
271 return -1;
272 /* Windows: dst[-1] cannot be backslash anymore */
273 while (dst0 < dst && dst[-1] != '/')
274 dst--;
275 }
276 *dst = '\0';
277 return 0;
278}
279
280/*
281 * path = Canonical absolute path
282 * prefix_list = Colon-separated list of absolute paths
283 *
284 * Determines, for each path in prefix_list, whether the "prefix" really
285 * is an ancestor directory of path. Returns the length of the longest
286 * ancestor directory, excluding any trailing slashes, or -1 if no prefix
287 * is an ancestor. (Note that this means 0 is returned if prefix_list is
288 * "/".) "/foo" is not considered an ancestor of "/foobar". Directories
289 * are not considered to be their own ancestors. path must be in a
290 * canonical form: empty components, or "." or ".." components are not
291 * allowed. prefix_list may be null, which is like "".
292 */
293int longest_ancestor_length(const char *path, const char *prefix_list)
294{
295 char buf[PATH_MAX+1];
296 const char *ceil, *colon;
297 int len, max_len = -1;
298
299 if (prefix_list == NULL || !strcmp(path, "/"))
300 return -1;
301
302 for (colon = ceil = prefix_list; *colon; ceil = colon+1) {
303 for (colon = ceil; *colon && *colon != PATH_SEP; colon++);
304 len = colon - ceil;
305 if (len == 0 || len > PATH_MAX || !is_absolute_path(ceil))
306 continue;
307 strlcpy(buf, ceil, len+1);
308 if (normalize_path_copy(buf, buf) < 0)
309 continue;
310 len = strlen(buf);
311 if (len > 0 && buf[len-1] == '/')
312 buf[--len] = '\0';
313
314 if (!strncmp(path, buf, len) &&
315 path[len] == '/' &&
316 len > max_len) {
317 max_len = len;
318 }
319 }
320
321 return max_len;
322}
323
324/* strip arbitrary amount of directory separators at end of path */ 122/* strip arbitrary amount of directory separators at end of path */
325static inline int chomp_trailing_dir_sep(const char *path, int len) 123static inline int chomp_trailing_dir_sep(const char *path, int len)
326{ 124{
@@ -354,5 +152,5 @@ char *strip_path_suffix(const char *path, const char *suffix)
354 152
355 if (path_len && !is_dir_sep(path[path_len - 1])) 153 if (path_len && !is_dir_sep(path[path_len - 1]))
356 return NULL; 154 return NULL;
357 return xstrndup(path, chomp_trailing_dir_sep(path, path_len)); 155 return strndup(path, chomp_trailing_dir_sep(path, path_len));
358} 156}
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 562b1443e785..d964cb199c67 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -668,6 +668,7 @@ static int convert_probe_point(Dwarf_Die *sp_die, struct probe_finder *pf)
668 ret = dwarf_getlocation_addr(&fb_attr, pf->addr, &pf->fb_ops, &nops, 1); 668 ret = dwarf_getlocation_addr(&fb_attr, pf->addr, &pf->fb_ops, &nops, 1);
669 if (ret <= 0 || nops == 0) { 669 if (ret <= 0 || nops == 0) {
670 pf->fb_ops = NULL; 670 pf->fb_ops = NULL;
671#if _ELFUTILS_PREREQ(0, 142)
671 } else if (nops == 1 && pf->fb_ops[0].atom == DW_OP_call_frame_cfa && 672 } else if (nops == 1 && pf->fb_ops[0].atom == DW_OP_call_frame_cfa &&
672 pf->cfi != NULL) { 673 pf->cfi != NULL) {
673 Dwarf_Frame *frame; 674 Dwarf_Frame *frame;
@@ -677,6 +678,7 @@ static int convert_probe_point(Dwarf_Die *sp_die, struct probe_finder *pf)
677 (uintmax_t)pf->addr); 678 (uintmax_t)pf->addr);
678 return -ENOENT; 679 return -ENOENT;
679 } 680 }
681#endif
680 } 682 }
681 683
682 /* Find each argument */ 684 /* Find each argument */
@@ -741,32 +743,36 @@ static int find_lazy_match_lines(struct list_head *head,
741 const char *fname, const char *pat) 743 const char *fname, const char *pat)
742{ 744{
743 char *fbuf, *p1, *p2; 745 char *fbuf, *p1, *p2;
744 int fd, ret, line, nlines = 0; 746 int fd, line, nlines = -1;
745 struct stat st; 747 struct stat st;
746 748
747 fd = open(fname, O_RDONLY); 749 fd = open(fname, O_RDONLY);
748 if (fd < 0) { 750 if (fd < 0) {
749 pr_warning("Failed to open %s: %s\n", fname, strerror(-fd)); 751 pr_warning("Failed to open %s: %s\n", fname, strerror(-fd));
750 return fd; 752 return -errno;
751 } 753 }
752 754
753 ret = fstat(fd, &st); 755 if (fstat(fd, &st) < 0) {
754 if (ret < 0) {
755 pr_warning("Failed to get the size of %s: %s\n", 756 pr_warning("Failed to get the size of %s: %s\n",
756 fname, strerror(errno)); 757 fname, strerror(errno));
757 return ret; 758 nlines = -errno;
759 goto out_close;
758 } 760 }
759 fbuf = xmalloc(st.st_size + 2); 761
760 ret = read(fd, fbuf, st.st_size); 762 nlines = -ENOMEM;
761 if (ret < 0) { 763 fbuf = malloc(st.st_size + 2);
764 if (fbuf == NULL)
765 goto out_close;
766 if (read(fd, fbuf, st.st_size) < 0) {
762 pr_warning("Failed to read %s: %s\n", fname, strerror(errno)); 767 pr_warning("Failed to read %s: %s\n", fname, strerror(errno));
763 return ret; 768 nlines = -errno;
769 goto out_free_fbuf;
764 } 770 }
765 close(fd);
766 fbuf[st.st_size] = '\n'; /* Dummy line */ 771 fbuf[st.st_size] = '\n'; /* Dummy line */
767 fbuf[st.st_size + 1] = '\0'; 772 fbuf[st.st_size + 1] = '\0';
768 p1 = fbuf; 773 p1 = fbuf;
769 line = 1; 774 line = 1;
775 nlines = 0;
770 while ((p2 = strchr(p1, '\n')) != NULL) { 776 while ((p2 = strchr(p1, '\n')) != NULL) {
771 *p2 = '\0'; 777 *p2 = '\0';
772 if (strlazymatch(p1, pat)) { 778 if (strlazymatch(p1, pat)) {
@@ -776,7 +782,10 @@ static int find_lazy_match_lines(struct list_head *head,
776 line++; 782 line++;
777 p1 = p2 + 1; 783 p1 = p2 + 1;
778 } 784 }
785out_free_fbuf:
779 free(fbuf); 786 free(fbuf);
787out_close:
788 close(fd);
780 return nlines; 789 return nlines;
781} 790}
782 791
@@ -953,11 +962,15 @@ int find_kprobe_trace_events(int fd, struct perf_probe_event *pev,
953 if (!dbg) { 962 if (!dbg) {
954 pr_warning("No dwarf info found in the vmlinux - " 963 pr_warning("No dwarf info found in the vmlinux - "
955 "please rebuild with CONFIG_DEBUG_INFO=y.\n"); 964 "please rebuild with CONFIG_DEBUG_INFO=y.\n");
965 free(pf.tevs);
966 *tevs = NULL;
956 return -EBADF; 967 return -EBADF;
957 } 968 }
958 969
970#if _ELFUTILS_PREREQ(0, 142)
959 /* Get the call frame information from this dwarf */ 971 /* Get the call frame information from this dwarf */
960 pf.cfi = dwarf_getcfi(dbg); 972 pf.cfi = dwarf_getcfi(dbg);
973#endif
961 974
962 off = 0; 975 off = 0;
963 line_list__init(&pf.lcache); 976 line_list__init(&pf.lcache);
diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h
index 66f1980e3855..e1f61dcd18ff 100644
--- a/tools/perf/util/probe-finder.h
+++ b/tools/perf/util/probe-finder.h
@@ -29,6 +29,7 @@ extern int find_line_range(int fd, struct line_range *lr);
29 29
30#include <dwarf.h> 30#include <dwarf.h>
31#include <libdw.h> 31#include <libdw.h>
32#include <version.h>
32 33
33struct probe_finder { 34struct probe_finder {
34 struct perf_probe_event *pev; /* Target probe event */ 35 struct perf_probe_event *pev; /* Target probe event */
@@ -44,7 +45,9 @@ struct probe_finder {
44 struct list_head lcache; /* Line cache for lazy match */ 45 struct list_head lcache; /* Line cache for lazy match */
45 46
46 /* For variable searching */ 47 /* For variable searching */
48#if _ELFUTILS_PREREQ(0, 142)
47 Dwarf_CFI *cfi; /* Call Frame Information */ 49 Dwarf_CFI *cfi; /* Call Frame Information */
50#endif
48 Dwarf_Op *fb_ops; /* Frame base attribute */ 51 Dwarf_Op *fb_ops; /* Frame base attribute */
49 struct perf_probe_arg *pvar; /* Current target variable */ 52 struct perf_probe_arg *pvar; /* Current target variable */
50 struct kprobe_trace_arg *tvar; /* Current result variable */ 53 struct kprobe_trace_arg *tvar; /* Current result variable */
diff --git a/tools/perf/util/quote.c b/tools/perf/util/quote.c
index 2726fe40eb5d..01f03242b86a 100644
--- a/tools/perf/util/quote.c
+++ b/tools/perf/util/quote.c
@@ -1,8 +1,6 @@
1#include "cache.h" 1#include "cache.h"
2#include "quote.h" 2#include "quote.h"
3 3
4int quote_path_fully = 1;
5
6/* Help to copy the thing properly quoted for the shell safety. 4/* Help to copy the thing properly quoted for the shell safety.
7 * any single quote is replaced with '\'', any exclamation point 5 * any single quote is replaced with '\'', any exclamation point
8 * is replaced with '\!', and the whole thing is enclosed in a 6 * is replaced with '\!', and the whole thing is enclosed in a
@@ -19,7 +17,7 @@ static inline int need_bs_quote(char c)
19 return (c == '\'' || c == '!'); 17 return (c == '\'' || c == '!');
20} 18}
21 19
22void sq_quote_buf(struct strbuf *dst, const char *src) 20static void sq_quote_buf(struct strbuf *dst, const char *src)
23{ 21{
24 char *to_free = NULL; 22 char *to_free = NULL;
25 23
@@ -41,23 +39,6 @@ void sq_quote_buf(struct strbuf *dst, const char *src)
41 free(to_free); 39 free(to_free);
42} 40}
43 41
44void sq_quote_print(FILE *stream, const char *src)
45{
46 char c;
47
48 fputc('\'', stream);
49 while ((c = *src++)) {
50 if (need_bs_quote(c)) {
51 fputs("'\\", stream);
52 fputc(c, stream);
53 fputc('\'', stream);
54 } else {
55 fputc(c, stream);
56 }
57 }
58 fputc('\'', stream);
59}
60
61void sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen) 42void sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen)
62{ 43{
63 int i; 44 int i;
@@ -71,415 +52,3 @@ void sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen)
71 die("Too many or long arguments"); 52 die("Too many or long arguments");
72 } 53 }
73} 54}
74
75char *sq_dequote_step(char *arg, char **next)
76{
77 char *dst = arg;
78 char *src = arg;
79 char c;
80
81 if (*src != '\'')
82 return NULL;
83 for (;;) {
84 c = *++src;
85 if (!c)
86 return NULL;
87 if (c != '\'') {
88 *dst++ = c;
89 continue;
90 }
91 /* We stepped out of sq */
92 switch (*++src) {
93 case '\0':
94 *dst = 0;
95 if (next)
96 *next = NULL;
97 return arg;
98 case '\\':
99 c = *++src;
100 if (need_bs_quote(c) && *++src == '\'') {
101 *dst++ = c;
102 continue;
103 }
104 /* Fallthrough */
105 default:
106 if (!next || !isspace(*src))
107 return NULL;
108 do {
109 c = *++src;
110 } while (isspace(c));
111 *dst = 0;
112 *next = src;
113 return arg;
114 }
115 }
116}
117
118char *sq_dequote(char *arg)
119{
120 return sq_dequote_step(arg, NULL);
121}
122
123int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc)
124{
125 char *next = arg;
126
127 if (!*arg)
128 return 0;
129 do {
130 char *dequoted = sq_dequote_step(next, &next);
131 if (!dequoted)
132 return -1;
133 ALLOC_GROW(*argv, *nr + 1, *alloc);
134 (*argv)[(*nr)++] = dequoted;
135 } while (next);
136
137 return 0;
138}
139
140/* 1 means: quote as octal
141 * 0 means: quote as octal if (quote_path_fully)
142 * -1 means: never quote
143 * c: quote as "\\c"
144 */
145#define X8(x) x, x, x, x, x, x, x, x
146#define X16(x) X8(x), X8(x)
147static signed char const sq_lookup[256] = {
148 /* 0 1 2 3 4 5 6 7 */
149 /* 0x00 */ 1, 1, 1, 1, 1, 1, 1, 'a',
150 /* 0x08 */ 'b', 't', 'n', 'v', 'f', 'r', 1, 1,
151 /* 0x10 */ X16(1),
152 /* 0x20 */ -1, -1, '"', -1, -1, -1, -1, -1,
153 /* 0x28 */ X16(-1), X16(-1), X16(-1),
154 /* 0x58 */ -1, -1, -1, -1,'\\', -1, -1, -1,
155 /* 0x60 */ X16(-1), X8(-1),
156 /* 0x78 */ -1, -1, -1, -1, -1, -1, -1, 1,
157 /* 0x80 */ /* set to 0 */
158};
159
160static inline int sq_must_quote(char c)
161{
162 return sq_lookup[(unsigned char)c] + quote_path_fully > 0;
163}
164
165/*
166 * Returns the longest prefix not needing a quote up to maxlen if
167 * positive.
168 * This stops at the first \0 because it's marked as a character
169 * needing an escape.
170 */
171static ssize_t next_quote_pos(const char *s, ssize_t maxlen)
172{
173 ssize_t len;
174
175 if (maxlen < 0) {
176 for (len = 0; !sq_must_quote(s[len]); len++);
177 } else {
178 for (len = 0; len < maxlen && !sq_must_quote(s[len]); len++);
179 }
180 return len;
181}
182
183/*
184 * C-style name quoting.
185 *
186 * (1) if sb and fp are both NULL, inspect the input name and counts the
187 * number of bytes that are needed to hold c_style quoted version of name,
188 * counting the double quotes around it but not terminating NUL, and
189 * returns it.
190 * However, if name does not need c_style quoting, it returns 0.
191 *
192 * (2) if sb or fp are not NULL, it emits the c_style quoted version
193 * of name, enclosed with double quotes if asked and needed only.
194 * Return value is the same as in (1).
195 */
196static size_t quote_c_style_counted(const char *name, ssize_t maxlen,
197 struct strbuf *sb, FILE *fp, int no_dq)
198{
199#define EMIT(c) \
200 do { \
201 if (sb) strbuf_addch(sb, (c)); \
202 if (fp) fputc((c), fp); \
203 count++; \
204 } while (0)
205
206#define EMITBUF(s, l) \
207 do { \
208 int __ret; \
209 if (sb) strbuf_add(sb, (s), (l)); \
210 if (fp) __ret = fwrite((s), (l), 1, fp); \
211 count += (l); \
212 } while (0)
213
214 ssize_t len, count = 0;
215 const char *p = name;
216
217 for (;;) {
218 int ch;
219
220 len = next_quote_pos(p, maxlen);
221 if (len == maxlen || !p[len])
222 break;
223
224 if (!no_dq && p == name)
225 EMIT('"');
226
227 EMITBUF(p, len);
228 EMIT('\\');
229 p += len;
230 ch = (unsigned char)*p++;
231 if (sq_lookup[ch] >= ' ') {
232 EMIT(sq_lookup[ch]);
233 } else {
234 EMIT(((ch >> 6) & 03) + '0');
235 EMIT(((ch >> 3) & 07) + '0');
236 EMIT(((ch >> 0) & 07) + '0');
237 }
238 }
239
240 EMITBUF(p, len);
241 if (p == name) /* no ending quote needed */
242 return 0;
243
244 if (!no_dq)
245 EMIT('"');
246 return count;
247}
248
249size_t quote_c_style(const char *name, struct strbuf *sb, FILE *fp, int nodq)
250{
251 return quote_c_style_counted(name, -1, sb, fp, nodq);
252}
253
254void quote_two_c_style(struct strbuf *sb, const char *prefix, const char *path, int nodq)
255{
256 if (quote_c_style(prefix, NULL, NULL, 0) ||
257 quote_c_style(path, NULL, NULL, 0)) {
258 if (!nodq)
259 strbuf_addch(sb, '"');
260 quote_c_style(prefix, sb, NULL, 1);
261 quote_c_style(path, sb, NULL, 1);
262 if (!nodq)
263 strbuf_addch(sb, '"');
264 } else {
265 strbuf_addstr(sb, prefix);
266 strbuf_addstr(sb, path);
267 }
268}
269
270void write_name_quoted(const char *name, FILE *fp, int terminator)
271{
272 if (terminator) {
273 quote_c_style(name, NULL, fp, 0);
274 } else {
275 fputs(name, fp);
276 }
277 fputc(terminator, fp);
278}
279
280void write_name_quotedpfx(const char *pfx, ssize_t pfxlen,
281 const char *name, FILE *fp, int terminator)
282{
283 int needquote = 0;
284
285 if (terminator) {
286 needquote = next_quote_pos(pfx, pfxlen) < pfxlen
287 || name[next_quote_pos(name, -1)];
288 }
289 if (needquote) {
290 fputc('"', fp);
291 quote_c_style_counted(pfx, pfxlen, NULL, fp, 1);
292 quote_c_style(name, NULL, fp, 1);
293 fputc('"', fp);
294 } else {
295 int ret;
296
297 ret = fwrite(pfx, pfxlen, 1, fp);
298 fputs(name, fp);
299 }
300 fputc(terminator, fp);
301}
302
303/* quote path as relative to the given prefix */
304char *quote_path_relative(const char *in, int len,
305 struct strbuf *out, const char *prefix)
306{
307 int needquote;
308
309 if (len < 0)
310 len = strlen(in);
311
312 /* "../" prefix itself does not need quoting, but "in" might. */
313 needquote = (next_quote_pos(in, len) < len);
314 strbuf_setlen(out, 0);
315 strbuf_grow(out, len);
316
317 if (needquote)
318 strbuf_addch(out, '"');
319 if (prefix) {
320 int off = 0;
321 while (off < len && prefix[off] && prefix[off] == in[off])
322 if (prefix[off] == '/') {
323 prefix += off + 1;
324 in += off + 1;
325 len -= off + 1;
326 off = 0;
327 } else
328 off++;
329
330 for (; *prefix; prefix++)
331 if (*prefix == '/')
332 strbuf_addstr(out, "../");
333 }
334
335 quote_c_style_counted (in, len, out, NULL, 1);
336
337 if (needquote)
338 strbuf_addch(out, '"');
339 if (!out->len)
340 strbuf_addstr(out, "./");
341
342 return out->buf;
343}
344
345/*
346 * C-style name unquoting.
347 *
348 * Quoted should point at the opening double quote.
349 * + Returns 0 if it was able to unquote the string properly, and appends the
350 * result in the strbuf `sb'.
351 * + Returns -1 in case of error, and doesn't touch the strbuf. Though note
352 * that this function will allocate memory in the strbuf, so calling
353 * strbuf_release is mandatory whichever result unquote_c_style returns.
354 *
355 * Updates endp pointer to point at one past the ending double quote if given.
356 */
357int unquote_c_style(struct strbuf *sb, const char *quoted, const char **endp)
358{
359 size_t oldlen = sb->len, len;
360 int ch, ac;
361
362 if (*quoted++ != '"')
363 return -1;
364
365 for (;;) {
366 len = strcspn(quoted, "\"\\");
367 strbuf_add(sb, quoted, len);
368 quoted += len;
369
370 switch (*quoted++) {
371 case '"':
372 if (endp)
373 *endp = quoted;
374 return 0;
375 case '\\':
376 break;
377 default:
378 goto error;
379 }
380
381 switch ((ch = *quoted++)) {
382 case 'a': ch = '\a'; break;
383 case 'b': ch = '\b'; break;
384 case 'f': ch = '\f'; break;
385 case 'n': ch = '\n'; break;
386 case 'r': ch = '\r'; break;
387 case 't': ch = '\t'; break;
388 case 'v': ch = '\v'; break;
389
390 case '\\': case '"':
391 break; /* verbatim */
392
393 /* octal values with first digit over 4 overflow */
394 case '0': case '1': case '2': case '3':
395 ac = ((ch - '0') << 6);
396 if ((ch = *quoted++) < '0' || '7' < ch)
397 goto error;
398 ac |= ((ch - '0') << 3);
399 if ((ch = *quoted++) < '0' || '7' < ch)
400 goto error;
401 ac |= (ch - '0');
402 ch = ac;
403 break;
404 default:
405 goto error;
406 }
407 strbuf_addch(sb, ch);
408 }
409
410 error:
411 strbuf_setlen(sb, oldlen);
412 return -1;
413}
414
415/* quoting as a string literal for other languages */
416
417void perl_quote_print(FILE *stream, const char *src)
418{
419 const char sq = '\'';
420 const char bq = '\\';
421 char c;
422
423 fputc(sq, stream);
424 while ((c = *src++)) {
425 if (c == sq || c == bq)
426 fputc(bq, stream);
427 fputc(c, stream);
428 }
429 fputc(sq, stream);
430}
431
432void python_quote_print(FILE *stream, const char *src)
433{
434 const char sq = '\'';
435 const char bq = '\\';
436 const char nl = '\n';
437 char c;
438
439 fputc(sq, stream);
440 while ((c = *src++)) {
441 if (c == nl) {
442 fputc(bq, stream);
443 fputc('n', stream);
444 continue;
445 }
446 if (c == sq || c == bq)
447 fputc(bq, stream);
448 fputc(c, stream);
449 }
450 fputc(sq, stream);
451}
452
453void tcl_quote_print(FILE *stream, const char *src)
454{
455 char c;
456
457 fputc('"', stream);
458 while ((c = *src++)) {
459 switch (c) {
460 case '[': case ']':
461 case '{': case '}':
462 case '$': case '\\': case '"':
463 fputc('\\', stream);
464 default:
465 fputc(c, stream);
466 break;
467 case '\f':
468 fputs("\\f", stream);
469 break;
470 case '\r':
471 fputs("\\r", stream);
472 break;
473 case '\n':
474 fputs("\\n", stream);
475 break;
476 case '\t':
477 fputs("\\t", stream);
478 break;
479 case '\v':
480 fputs("\\v", stream);
481 break;
482 }
483 }
484 fputc('"', stream);
485}
diff --git a/tools/perf/util/quote.h b/tools/perf/util/quote.h
index b6a019733919..172889ea234f 100644
--- a/tools/perf/util/quote.h
+++ b/tools/perf/util/quote.h
@@ -22,47 +22,8 @@
22 * 22 *
23 * Note that the above examples leak memory! Remember to free result from 23 * Note that the above examples leak memory! Remember to free result from
24 * sq_quote() in a real application. 24 * sq_quote() in a real application.
25 *
26 * sq_quote_buf() writes to an existing buffer of specified size; it
27 * will return the number of characters that would have been written
28 * excluding the final null regardless of the buffer size.
29 */ 25 */
30 26
31extern void sq_quote_print(FILE *stream, const char *src);
32
33extern void sq_quote_buf(struct strbuf *, const char *src);
34extern void sq_quote_argv(struct strbuf *, const char **argv, size_t maxlen); 27extern void sq_quote_argv(struct strbuf *, const char **argv, size_t maxlen);
35 28
36/* This unwraps what sq_quote() produces in place, but returns
37 * NULL if the input does not look like what sq_quote would have
38 * produced.
39 */
40extern char *sq_dequote(char *);
41
42/*
43 * Same as the above, but can be used to unwrap many arguments in the
44 * same string separated by space. "next" is changed to point to the
45 * next argument that should be passed as first parameter. When there
46 * is no more argument to be dequoted, "next" is updated to point to NULL.
47 */
48extern char *sq_dequote_step(char *arg, char **next);
49extern int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc);
50
51extern int unquote_c_style(struct strbuf *, const char *quoted, const char **endp);
52extern size_t quote_c_style(const char *name, struct strbuf *, FILE *, int no_dq);
53extern void quote_two_c_style(struct strbuf *, const char *, const char *, int);
54
55extern void write_name_quoted(const char *name, FILE *, int terminator);
56extern void write_name_quotedpfx(const char *pfx, ssize_t pfxlen,
57 const char *name, FILE *, int terminator);
58
59/* quote path as relative to the given prefix */
60char *quote_path_relative(const char *in, int len,
61 struct strbuf *out, const char *prefix);
62
63/* quoting as a string literal for other languages */
64extern void perl_quote_print(FILE *stream, const char *src);
65extern void python_quote_print(FILE *stream, const char *src);
66extern void tcl_quote_print(FILE *stream, const char *src);
67
68#endif /* __PERF_QUOTE_H */ 29#endif /* __PERF_QUOTE_H */
diff --git a/tools/perf/util/run-command.c b/tools/perf/util/run-command.c
index 2b615acf94d7..da8e9b285f51 100644
--- a/tools/perf/util/run-command.c
+++ b/tools/perf/util/run-command.c
@@ -212,93 +212,3 @@ int run_command_v_opt(const char **argv, int opt)
212 prepare_run_command_v_opt(&cmd, argv, opt); 212 prepare_run_command_v_opt(&cmd, argv, opt);
213 return run_command(&cmd); 213 return run_command(&cmd);
214} 214}
215
216int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env)
217{
218 struct child_process cmd;
219 prepare_run_command_v_opt(&cmd, argv, opt);
220 cmd.dir = dir;
221 cmd.env = env;
222 return run_command(&cmd);
223}
224
225int start_async(struct async *async)
226{
227 int pipe_out[2];
228
229 if (pipe(pipe_out) < 0)
230 return error("cannot create pipe: %s", strerror(errno));
231 async->out = pipe_out[0];
232
233 /* Flush stdio before fork() to avoid cloning buffers */
234 fflush(NULL);
235
236 async->pid = fork();
237 if (async->pid < 0) {
238 error("fork (async) failed: %s", strerror(errno));
239 close_pair(pipe_out);
240 return -1;
241 }
242 if (!async->pid) {
243 close(pipe_out[0]);
244 exit(!!async->proc(pipe_out[1], async->data));
245 }
246 close(pipe_out[1]);
247
248 return 0;
249}
250
251int finish_async(struct async *async)
252{
253 int ret = 0;
254
255 if (wait_or_whine(async->pid))
256 ret = error("waitpid (async) failed");
257
258 return ret;
259}
260
261int run_hook(const char *index_file, const char *name, ...)
262{
263 struct child_process hook;
264 const char **argv = NULL, *env[2];
265 char idx[PATH_MAX];
266 va_list args;
267 int ret;
268 size_t i = 0, alloc = 0;
269
270 if (access(perf_path("hooks/%s", name), X_OK) < 0)
271 return 0;
272
273 va_start(args, name);
274 ALLOC_GROW(argv, i + 1, alloc);
275 argv[i++] = perf_path("hooks/%s", name);
276 while (argv[i-1]) {
277 ALLOC_GROW(argv, i + 1, alloc);
278 argv[i++] = va_arg(args, const char *);
279 }
280 va_end(args);
281
282 memset(&hook, 0, sizeof(hook));
283 hook.argv = argv;
284 hook.no_stdin = 1;
285 hook.stdout_to_stderr = 1;
286 if (index_file) {
287 snprintf(idx, sizeof(idx), "PERF_INDEX_FILE=%s", index_file);
288 env[0] = idx;
289 env[1] = NULL;
290 hook.env = env;
291 }
292
293 ret = start_command(&hook);
294 free(argv);
295 if (ret) {
296 warning("Could not spawn %s", argv[0]);
297 return ret;
298 }
299 ret = finish_command(&hook);
300 if (ret == -ERR_RUN_COMMAND_WAITPID_SIGNAL)
301 warning("%s exited due to uncaught signal", argv[0]);
302
303 return ret;
304}
diff --git a/tools/perf/util/run-command.h b/tools/perf/util/run-command.h
index d79028727ce2..1ef264d5069c 100644
--- a/tools/perf/util/run-command.h
+++ b/tools/perf/util/run-command.h
@@ -50,39 +50,9 @@ int start_command(struct child_process *);
50int finish_command(struct child_process *); 50int finish_command(struct child_process *);
51int run_command(struct child_process *); 51int run_command(struct child_process *);
52 52
53extern int run_hook(const char *index_file, const char *name, ...);
54
55#define RUN_COMMAND_NO_STDIN 1 53#define RUN_COMMAND_NO_STDIN 1
56#define RUN_PERF_CMD 2 /*If this is to be perf sub-command */ 54#define RUN_PERF_CMD 2 /*If this is to be perf sub-command */
57#define RUN_COMMAND_STDOUT_TO_STDERR 4 55#define RUN_COMMAND_STDOUT_TO_STDERR 4
58int run_command_v_opt(const char **argv, int opt); 56int run_command_v_opt(const char **argv, int opt);
59 57
60/*
61 * env (the environment) is to be formatted like environ: "VAR=VALUE".
62 * To unset an environment variable use just "VAR".
63 */
64int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env);
65
66/*
67 * The purpose of the following functions is to feed a pipe by running
68 * a function asynchronously and providing output that the caller reads.
69 *
70 * It is expected that no synchronization and mutual exclusion between
71 * the caller and the feed function is necessary so that the function
72 * can run in a thread without interfering with the caller.
73 */
74struct async {
75 /*
76 * proc writes to fd and closes it;
77 * returns 0 on success, non-zero on failure
78 */
79 int (*proc)(int fd, void *data);
80 void *data;
81 int out; /* caller reads from here and closes it */
82 pid_t pid;
83};
84
85int start_async(struct async *async);
86int finish_async(struct async *async);
87
88#endif /* __PERF_RUN_COMMAND_H */ 58#endif /* __PERF_RUN_COMMAND_H */
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 25bfca4f10f0..8f83a1835766 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -5,6 +5,7 @@
5#include <byteswap.h> 5#include <byteswap.h>
6#include <unistd.h> 6#include <unistd.h>
7#include <sys/types.h> 7#include <sys/types.h>
8#include <sys/mman.h>
8 9
9#include "session.h" 10#include "session.h"
10#include "sort.h" 11#include "sort.h"
@@ -894,3 +895,10 @@ size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp)
894 __dsos__fprintf(&self->host_machine.user_dsos, fp) + 895 __dsos__fprintf(&self->host_machine.user_dsos, fp) +
895 machines__fprintf_dsos(&self->machines, fp); 896 machines__fprintf_dsos(&self->machines, fp);
896} 897}
898
899size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp,
900 bool with_hits)
901{
902 size_t ret = machine__fprintf_dsos_buildid(&self->host_machine, fp, with_hits);
903 return ret + machines__fprintf_dsos_buildid(&self->machines, fp, with_hits);
904}
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index e7fce486ebe2..55c6881b218d 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -132,12 +132,8 @@ void perf_session__process_machines(struct perf_session *self,
132 132
133size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 133size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
134 134
135static inline 135size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
136size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp, 136 FILE *fp, bool with_hits);
137 bool with_hits)
138{
139 return machines__fprintf_dsos_buildid(&self->machines, fp, with_hits);
140}
141 137
142static inline 138static inline
143size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp) 139size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp)
diff --git a/tools/perf/util/sigchain.c b/tools/perf/util/sigchain.c
index 1118b99e57d3..ba785e9b1841 100644
--- a/tools/perf/util/sigchain.c
+++ b/tools/perf/util/sigchain.c
@@ -16,7 +16,7 @@ static void check_signum(int sig)
16 die("BUG: signal out of range: %d", sig); 16 die("BUG: signal out of range: %d", sig);
17} 17}
18 18
19int sigchain_push(int sig, sigchain_fun f) 19static int sigchain_push(int sig, sigchain_fun f)
20{ 20{
21 struct sigchain_signal *s = signals + sig; 21 struct sigchain_signal *s = signals + sig;
22 check_signum(sig); 22 check_signum(sig);
diff --git a/tools/perf/util/sigchain.h b/tools/perf/util/sigchain.h
index 1a53c11265fd..959d64eb5557 100644
--- a/tools/perf/util/sigchain.h
+++ b/tools/perf/util/sigchain.h
@@ -3,7 +3,6 @@
3 3
4typedef void (*sigchain_fun)(int); 4typedef void (*sigchain_fun)(int);
5 5
6int sigchain_push(int sig, sigchain_fun f);
7int sigchain_pop(int sig); 6int sigchain_pop(int sig);
8 7
9void sigchain_push_common(sigchain_fun f); 8void sigchain_push_common(sigchain_fun f);
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index da30b305fba0..2316cb5a4116 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1,10 +1,10 @@
1#include "sort.h" 1#include "sort.h"
2 2
3regex_t parent_regex; 3regex_t parent_regex;
4char default_parent_pattern[] = "^sys_|^do_page_fault"; 4const char default_parent_pattern[] = "^sys_|^do_page_fault";
5char *parent_pattern = default_parent_pattern; 5const char *parent_pattern = default_parent_pattern;
6char default_sort_order[] = "comm,dso,symbol"; 6const char default_sort_order[] = "comm,dso,symbol";
7char *sort_order = default_sort_order; 7const char *sort_order = default_sort_order;
8int sort__need_collapse = 0; 8int sort__need_collapse = 0;
9int sort__has_parent = 0; 9int sort__has_parent = 0;
10 10
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index eab2e0b3b74e..0d61c4082f43 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -25,10 +25,10 @@
25#include "sort.h" 25#include "sort.h"
26 26
27extern regex_t parent_regex; 27extern regex_t parent_regex;
28extern char *sort_order; 28extern const char *sort_order;
29extern char default_parent_pattern[]; 29extern const char default_parent_pattern[];
30extern char *parent_pattern; 30extern const char *parent_pattern;
31extern char default_sort_order[]; 31extern const char default_sort_order[];
32extern int sort__need_collapse; 32extern int sort__need_collapse;
33extern int sort__has_parent; 33extern int sort__has_parent;
34extern char *field_sep; 34extern char *field_sep;
diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c
index 5249d5a1b0c2..92e068517c1a 100644
--- a/tools/perf/util/strbuf.c
+++ b/tools/perf/util/strbuf.c
@@ -41,16 +41,6 @@ char *strbuf_detach(struct strbuf *sb, size_t *sz)
41 return res; 41 return res;
42} 42}
43 43
44void strbuf_attach(struct strbuf *sb, void *buf, size_t len, size_t alloc)
45{
46 strbuf_release(sb);
47 sb->buf = buf;
48 sb->len = len;
49 sb->alloc = alloc;
50 strbuf_grow(sb, 0);
51 sb->buf[sb->len] = '\0';
52}
53
54void strbuf_grow(struct strbuf *sb, size_t extra) 44void strbuf_grow(struct strbuf *sb, size_t extra)
55{ 45{
56 if (sb->len + extra + 1 <= sb->len) 46 if (sb->len + extra + 1 <= sb->len)
@@ -60,94 +50,7 @@ void strbuf_grow(struct strbuf *sb, size_t extra)
60 ALLOC_GROW(sb->buf, sb->len + extra + 1, sb->alloc); 50 ALLOC_GROW(sb->buf, sb->len + extra + 1, sb->alloc);
61} 51}
62 52
63void strbuf_trim(struct strbuf *sb) 53static void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
64{
65 char *b = sb->buf;
66 while (sb->len > 0 && isspace((unsigned char)sb->buf[sb->len - 1]))
67 sb->len--;
68 while (sb->len > 0 && isspace(*b)) {
69 b++;
70 sb->len--;
71 }
72 memmove(sb->buf, b, sb->len);
73 sb->buf[sb->len] = '\0';
74}
75void strbuf_rtrim(struct strbuf *sb)
76{
77 while (sb->len > 0 && isspace((unsigned char)sb->buf[sb->len - 1]))
78 sb->len--;
79 sb->buf[sb->len] = '\0';
80}
81
82void strbuf_ltrim(struct strbuf *sb)
83{
84 char *b = sb->buf;
85 while (sb->len > 0 && isspace(*b)) {
86 b++;
87 sb->len--;
88 }
89 memmove(sb->buf, b, sb->len);
90 sb->buf[sb->len] = '\0';
91}
92
93void strbuf_tolower(struct strbuf *sb)
94{
95 unsigned int i;
96
97 for (i = 0; i < sb->len; i++)
98 sb->buf[i] = tolower(sb->buf[i]);
99}
100
101struct strbuf **strbuf_split(const struct strbuf *sb, int delim)
102{
103 int alloc = 2, pos = 0;
104 char *n, *p;
105 struct strbuf **ret;
106 struct strbuf *t;
107
108 ret = calloc(alloc, sizeof(struct strbuf *));
109 p = n = sb->buf;
110 while (n < sb->buf + sb->len) {
111 int len;
112 n = memchr(n, delim, sb->len - (n - sb->buf));
113 if (pos + 1 >= alloc) {
114 alloc = alloc * 2;
115 ret = realloc(ret, sizeof(struct strbuf *) * alloc);
116 }
117 if (!n)
118 n = sb->buf + sb->len - 1;
119 len = n - p + 1;
120 t = malloc(sizeof(struct strbuf));
121 strbuf_init(t, len);
122 strbuf_add(t, p, len);
123 ret[pos] = t;
124 ret[++pos] = NULL;
125 p = ++n;
126 }
127 return ret;
128}
129
130void strbuf_list_free(struct strbuf **sbs)
131{
132 struct strbuf **s = sbs;
133
134 while (*s) {
135 strbuf_release(*s);
136 free(*s++);
137 }
138 free(sbs);
139}
140
141int strbuf_cmp(const struct strbuf *a, const struct strbuf *b)
142{
143 int len = a->len < b->len ? a->len: b->len;
144 int cmp = memcmp(a->buf, b->buf, len);
145 if (cmp)
146 return cmp;
147 return a->len < b->len ? -1: a->len != b->len;
148}
149
150void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
151 const void *data, size_t dlen) 54 const void *data, size_t dlen)
152{ 55{
153 if (pos + len < pos) 56 if (pos + len < pos)
@@ -166,11 +69,6 @@ void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
166 strbuf_setlen(sb, sb->len + dlen - len); 69 strbuf_setlen(sb, sb->len + dlen - len);
167} 70}
168 71
169void strbuf_insert(struct strbuf *sb, size_t pos, const void *data, size_t len)
170{
171 strbuf_splice(sb, pos, 0, data, len);
172}
173
174void strbuf_remove(struct strbuf *sb, size_t pos, size_t len) 72void strbuf_remove(struct strbuf *sb, size_t pos, size_t len)
175{ 73{
176 strbuf_splice(sb, pos, len, NULL, 0); 74 strbuf_splice(sb, pos, len, NULL, 0);
@@ -183,13 +81,6 @@ void strbuf_add(struct strbuf *sb, const void *data, size_t len)
183 strbuf_setlen(sb, sb->len + len); 81 strbuf_setlen(sb, sb->len + len);
184} 82}
185 83
186void strbuf_adddup(struct strbuf *sb, size_t pos, size_t len)
187{
188 strbuf_grow(sb, len);
189 memcpy(sb->buf + sb->len, sb->buf + pos, len);
190 strbuf_setlen(sb, sb->len + len);
191}
192
193void strbuf_addf(struct strbuf *sb, const char *fmt, ...) 84void strbuf_addf(struct strbuf *sb, const char *fmt, ...)
194{ 85{
195 int len; 86 int len;
@@ -214,57 +105,6 @@ void strbuf_addf(struct strbuf *sb, const char *fmt, ...)
214 strbuf_setlen(sb, sb->len + len); 105 strbuf_setlen(sb, sb->len + len);
215} 106}
216 107
217void strbuf_expand(struct strbuf *sb, const char *format, expand_fn_t fn,
218 void *context)
219{
220 for (;;) {
221 const char *percent;
222 size_t consumed;
223
224 percent = strchrnul(format, '%');
225 strbuf_add(sb, format, percent - format);
226 if (!*percent)
227 break;
228 format = percent + 1;
229
230 consumed = fn(sb, format, context);
231 if (consumed)
232 format += consumed;
233 else
234 strbuf_addch(sb, '%');
235 }
236}
237
238size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder,
239 void *context)
240{
241 struct strbuf_expand_dict_entry *e = context;
242 size_t len;
243
244 for (; e->placeholder && (len = strlen(e->placeholder)); e++) {
245 if (!strncmp(placeholder, e->placeholder, len)) {
246 if (e->value)
247 strbuf_addstr(sb, e->value);
248 return len;
249 }
250 }
251 return 0;
252}
253
254size_t strbuf_fread(struct strbuf *sb, size_t size, FILE *f)
255{
256 size_t res;
257 size_t oldalloc = sb->alloc;
258
259 strbuf_grow(sb, size);
260 res = fread(sb->buf + sb->len, 1, size, f);
261 if (res > 0)
262 strbuf_setlen(sb, sb->len + res);
263 else if (oldalloc == 0)
264 strbuf_release(sb);
265 return res;
266}
267
268ssize_t strbuf_read(struct strbuf *sb, int fd, ssize_t hint) 108ssize_t strbuf_read(struct strbuf *sb, int fd, ssize_t hint)
269{ 109{
270 size_t oldlen = sb->len; 110 size_t oldlen = sb->len;
@@ -291,70 +131,3 @@ ssize_t strbuf_read(struct strbuf *sb, int fd, ssize_t hint)
291 sb->buf[sb->len] = '\0'; 131 sb->buf[sb->len] = '\0';
292 return sb->len - oldlen; 132 return sb->len - oldlen;
293} 133}
294
295#define STRBUF_MAXLINK (2*PATH_MAX)
296
297int strbuf_readlink(struct strbuf *sb, const char *path, ssize_t hint)
298{
299 size_t oldalloc = sb->alloc;
300
301 if (hint < 32)
302 hint = 32;
303
304 while (hint < STRBUF_MAXLINK) {
305 ssize_t len;
306
307 strbuf_grow(sb, hint);
308 len = readlink(path, sb->buf, hint);
309 if (len < 0) {
310 if (errno != ERANGE)
311 break;
312 } else if (len < hint) {
313 strbuf_setlen(sb, len);
314 return 0;
315 }
316
317 /* .. the buffer was too small - try again */
318 hint *= 2;
319 }
320 if (oldalloc == 0)
321 strbuf_release(sb);
322 return -1;
323}
324
325int strbuf_getline(struct strbuf *sb, FILE *fp, int term)
326{
327 int ch;
328
329 strbuf_grow(sb, 0);
330 if (feof(fp))
331 return EOF;
332
333 strbuf_reset(sb);
334 while ((ch = fgetc(fp)) != EOF) {
335 if (ch == term)
336 break;
337 strbuf_grow(sb, 1);
338 sb->buf[sb->len++] = ch;
339 }
340 if (ch == EOF && sb->len == 0)
341 return EOF;
342
343 sb->buf[sb->len] = '\0';
344 return 0;
345}
346
347int strbuf_read_file(struct strbuf *sb, const char *path, ssize_t hint)
348{
349 int fd, len;
350
351 fd = open(path, O_RDONLY);
352 if (fd < 0)
353 return -1;
354 len = strbuf_read(sb, fd, hint);
355 close(fd);
356 if (len < 0)
357 return -1;
358
359 return len;
360}
diff --git a/tools/perf/util/strbuf.h b/tools/perf/util/strbuf.h
index a3d121d6c83e..436ac319f6c7 100644
--- a/tools/perf/util/strbuf.h
+++ b/tools/perf/util/strbuf.h
@@ -53,12 +53,6 @@ struct strbuf {
53extern void strbuf_init(struct strbuf *buf, ssize_t hint); 53extern void strbuf_init(struct strbuf *buf, ssize_t hint);
54extern void strbuf_release(struct strbuf *); 54extern void strbuf_release(struct strbuf *);
55extern char *strbuf_detach(struct strbuf *, size_t *); 55extern char *strbuf_detach(struct strbuf *, size_t *);
56extern void strbuf_attach(struct strbuf *, void *, size_t, size_t);
57static inline void strbuf_swap(struct strbuf *a, struct strbuf *b) {
58 struct strbuf tmp = *a;
59 *a = *b;
60 *b = tmp;
61}
62 56
63/*----- strbuf size related -----*/ 57/*----- strbuf size related -----*/
64static inline ssize_t strbuf_avail(const struct strbuf *sb) { 58static inline ssize_t strbuf_avail(const struct strbuf *sb) {
@@ -74,17 +68,6 @@ static inline void strbuf_setlen(struct strbuf *sb, size_t len) {
74 sb->len = len; 68 sb->len = len;
75 sb->buf[len] = '\0'; 69 sb->buf[len] = '\0';
76} 70}
77#define strbuf_reset(sb) strbuf_setlen(sb, 0)
78
79/*----- content related -----*/
80extern void strbuf_trim(struct strbuf *);
81extern void strbuf_rtrim(struct strbuf *);
82extern void strbuf_ltrim(struct strbuf *);
83extern int strbuf_cmp(const struct strbuf *, const struct strbuf *);
84extern void strbuf_tolower(struct strbuf *);
85
86extern struct strbuf **strbuf_split(const struct strbuf *, int delim);
87extern void strbuf_list_free(struct strbuf **);
88 71
89/*----- add data in your buffer -----*/ 72/*----- add data in your buffer -----*/
90static inline void strbuf_addch(struct strbuf *sb, int c) { 73static inline void strbuf_addch(struct strbuf *sb, int c) {
@@ -93,45 +76,17 @@ static inline void strbuf_addch(struct strbuf *sb, int c) {
93 sb->buf[sb->len] = '\0'; 76 sb->buf[sb->len] = '\0';
94} 77}
95 78
96extern void strbuf_insert(struct strbuf *, size_t pos, const void *, size_t);
97extern void strbuf_remove(struct strbuf *, size_t pos, size_t len); 79extern void strbuf_remove(struct strbuf *, size_t pos, size_t len);
98 80
99/* splice pos..pos+len with given data */
100extern void strbuf_splice(struct strbuf *, size_t pos, size_t len,
101 const void *, size_t);
102
103extern void strbuf_add(struct strbuf *, const void *, size_t); 81extern void strbuf_add(struct strbuf *, const void *, size_t);
104static inline void strbuf_addstr(struct strbuf *sb, const char *s) { 82static inline void strbuf_addstr(struct strbuf *sb, const char *s) {
105 strbuf_add(sb, s, strlen(s)); 83 strbuf_add(sb, s, strlen(s));
106} 84}
107static inline void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2) {
108 strbuf_add(sb, sb2->buf, sb2->len);
109}
110extern void strbuf_adddup(struct strbuf *sb, size_t pos, size_t len);
111
112typedef size_t (*expand_fn_t) (struct strbuf *sb, const char *placeholder, void *context);
113extern void strbuf_expand(struct strbuf *sb, const char *format, expand_fn_t fn, void *context);
114struct strbuf_expand_dict_entry {
115 const char *placeholder;
116 const char *value;
117};
118extern size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder, void *context);
119 85
120__attribute__((format(printf,2,3))) 86__attribute__((format(printf,2,3)))
121extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...); 87extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...);
122 88
123extern size_t strbuf_fread(struct strbuf *, size_t, FILE *);
124/* XXX: if read fails, any partial read is undone */ 89/* XXX: if read fails, any partial read is undone */
125extern ssize_t strbuf_read(struct strbuf *, int fd, ssize_t hint); 90extern ssize_t strbuf_read(struct strbuf *, int fd, ssize_t hint);
126extern int strbuf_read_file(struct strbuf *sb, const char *path, ssize_t hint);
127extern int strbuf_readlink(struct strbuf *sb, const char *path, ssize_t hint);
128
129extern int strbuf_getline(struct strbuf *, FILE *, int);
130
131extern void stripspace(struct strbuf *buf, int skip_comments);
132extern int launch_editor(const char *path, struct strbuf *buffer, const char *const *env);
133
134extern int strbuf_branchname(struct strbuf *sb, const char *name);
135extern int strbuf_check_branch_ref(struct strbuf *sb, const char *name);
136 91
137#endif /* __PERF_STRBUF_H */ 92#endif /* __PERF_STRBUF_H */
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index ecccc8df128e..aaa51ba147df 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -11,6 +11,7 @@
11#include <sys/param.h> 11#include <sys/param.h>
12#include <fcntl.h> 12#include <fcntl.h>
13#include <unistd.h> 13#include <unistd.h>
14#include "build-id.h"
14#include "symbol.h" 15#include "symbol.h"
15#include "strlist.h" 16#include "strlist.h"
16 17
@@ -525,7 +526,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map,
525 curr_map = map_groups__find_by_name(kmaps, 526 curr_map = map_groups__find_by_name(kmaps,
526 map->type, module); 527 map->type, module);
527 if (curr_map == NULL) { 528 if (curr_map == NULL) {
528 pr_err("%s/proc/{kallsyms,modules} " 529 pr_debug("%s/proc/{kallsyms,modules} "
529 "inconsistency while looking " 530 "inconsistency while looking "
530 "for \"%s\" module!\n", 531 "for \"%s\" module!\n",
531 machine->root_dir, module); 532 machine->root_dir, module);
@@ -1131,6 +1132,10 @@ bool __dsos__read_build_ids(struct list_head *head, bool with_hits)
1131 list_for_each_entry(pos, head, node) { 1132 list_for_each_entry(pos, head, node) {
1132 if (with_hits && !pos->hit) 1133 if (with_hits && !pos->hit)
1133 continue; 1134 continue;
1135 if (pos->has_build_id) {
1136 have_build_id = true;
1137 continue;
1138 }
1134 if (filename__read_build_id(pos->long_name, pos->build_id, 1139 if (filename__read_build_id(pos->long_name, pos->build_id,
1135 sizeof(pos->build_id)) > 0) { 1140 sizeof(pos->build_id)) > 0) {
1136 have_build_id = true; 1141 have_build_id = true;
@@ -1289,7 +1294,6 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
1289 int size = PATH_MAX; 1294 int size = PATH_MAX;
1290 char *name; 1295 char *name;
1291 u8 build_id[BUILD_ID_SIZE]; 1296 u8 build_id[BUILD_ID_SIZE];
1292 char build_id_hex[BUILD_ID_SIZE * 2 + 1];
1293 int ret = -1; 1297 int ret = -1;
1294 int fd; 1298 int fd;
1295 struct machine *machine; 1299 struct machine *machine;
@@ -1321,15 +1325,8 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
1321 } 1325 }
1322 1326
1323 self->origin = DSO__ORIG_BUILD_ID_CACHE; 1327 self->origin = DSO__ORIG_BUILD_ID_CACHE;
1324 1328 if (dso__build_id_filename(self, name, size) != NULL)
1325 if (self->has_build_id) {
1326 build_id__sprintf(self->build_id, sizeof(self->build_id),
1327 build_id_hex);
1328 snprintf(name, size, "%s/%s/.build-id/%.2s/%s",
1329 getenv("HOME"), DEBUG_CACHE_DIR,
1330 build_id_hex, build_id_hex + 2);
1331 goto open_file; 1329 goto open_file;
1332 }
1333more: 1330more:
1334 do { 1331 do {
1335 self->origin++; 1332 self->origin++;
@@ -1345,6 +1342,7 @@ more:
1345 case DSO__ORIG_BUILDID: 1342 case DSO__ORIG_BUILDID:
1346 if (filename__read_build_id(self->long_name, build_id, 1343 if (filename__read_build_id(self->long_name, build_id,
1347 sizeof(build_id))) { 1344 sizeof(build_id))) {
1345 char build_id_hex[BUILD_ID_SIZE * 2 + 1];
1348 build_id__sprintf(build_id, sizeof(build_id), 1346 build_id__sprintf(build_id, sizeof(build_id),
1349 build_id_hex); 1347 build_id_hex);
1350 snprintf(name, size, 1348 snprintf(name, size,
@@ -1933,6 +1931,12 @@ static size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
1933 return ret; 1931 return ret;
1934} 1932}
1935 1933
1934size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits)
1935{
1936 return __dsos__fprintf_buildid(&self->kernel_dsos, fp, with_hits) +
1937 __dsos__fprintf_buildid(&self->user_dsos, fp, with_hits);
1938}
1939
1936size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits) 1940size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits)
1937{ 1941{
1938 struct rb_node *nd; 1942 struct rb_node *nd;
@@ -1940,8 +1944,7 @@ size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_
1940 1944
1941 for (nd = rb_first(self); nd; nd = rb_next(nd)) { 1945 for (nd = rb_first(self); nd; nd = rb_next(nd)) {
1942 struct machine *pos = rb_entry(nd, struct machine, rb_node); 1946 struct machine *pos = rb_entry(nd, struct machine, rb_node);
1943 ret += __dsos__fprintf_buildid(&pos->kernel_dsos, fp, with_hits); 1947 ret += machine__fprintf_dsos_buildid(pos, fp, with_hits);
1944 ret += __dsos__fprintf_buildid(&pos->user_dsos, fp, with_hits);
1945 } 1948 }
1946 return ret; 1949 return ret;
1947} 1950}
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 6389d1acaf81..5d25b5eb1456 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -78,7 +78,7 @@ struct symbol_conf {
78 *default_guest_kallsyms, 78 *default_guest_kallsyms,
79 *default_guest_modules; 79 *default_guest_modules;
80 const char *guestmount; 80 const char *guestmount;
81 char *dso_list_str, 81 const char *dso_list_str,
82 *comm_list_str, 82 *comm_list_str,
83 *sym_list_str, 83 *sym_list_str,
84 *col_width_list_str; 84 *col_width_list_str;
@@ -170,6 +170,7 @@ int machine__load_vmlinux_path(struct machine *self, enum map_type type,
170 170
171size_t __dsos__fprintf(struct list_head *head, FILE *fp); 171size_t __dsos__fprintf(struct list_head *head, FILE *fp);
172 172
173size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits);
173size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp); 174size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp);
174size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits); 175size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits);
175 176
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 069f261b225c..73a02223c629 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -1937,7 +1937,7 @@ void *raw_field_ptr(struct event *event, const char *name, void *data)
1937 if (!field) 1937 if (!field)
1938 return NULL; 1938 return NULL;
1939 1939
1940 if (field->flags & FIELD_IS_STRING) { 1940 if (field->flags & FIELD_IS_DYNAMIC) {
1941 int offset; 1941 int offset;
1942 1942
1943 offset = *(int *)(data + field->offset); 1943 offset = *(int *)(data + field->offset);
diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index cb54cd002f49..f55cc3a765a1 100644
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -53,12 +53,6 @@ static unsigned long page_size;
53static ssize_t calc_data_size; 53static ssize_t calc_data_size;
54static bool repipe; 54static bool repipe;
55 55
56/* If it fails, the next read will report it */
57static void skip(int size)
58{
59 lseek(input_fd, size, SEEK_CUR);
60}
61
62static int do_read(int fd, void *buf, int size) 56static int do_read(int fd, void *buf, int size)
63{ 57{
64 int rsize = size; 58 int rsize = size;
@@ -98,6 +92,19 @@ static int read_or_die(void *data, int size)
98 return r; 92 return r;
99} 93}
100 94
95/* If it fails, the next read will report it */
96static void skip(int size)
97{
98 char buf[BUFSIZ];
99 int r;
100
101 while (size) {
102 r = size > BUFSIZ ? BUFSIZ : size;
103 read_or_die(buf, r);
104 size -= r;
105 };
106}
107
101static unsigned int read4(void) 108static unsigned int read4(void)
102{ 109{
103 unsigned int data; 110 unsigned int data;
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index 406d452956db..b3e86b1e4444 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -233,7 +233,12 @@ static inline unsigned long long __data2host8(unsigned long long data)
233 233
234#define data2host2(ptr) __data2host2(*(unsigned short *)ptr) 234#define data2host2(ptr) __data2host2(*(unsigned short *)ptr)
235#define data2host4(ptr) __data2host4(*(unsigned int *)ptr) 235#define data2host4(ptr) __data2host4(*(unsigned int *)ptr)
236#define data2host8(ptr) __data2host8(*(unsigned long long *)ptr) 236#define data2host8(ptr) ({ \
237 unsigned long long __val; \
238 \
239 memcpy(&__val, (ptr), sizeof(unsigned long long)); \
240 __data2host8(__val); \
241})
237 242
238extern int header_page_ts_offset; 243extern int header_page_ts_offset;
239extern int header_page_ts_size; 244extern int header_page_ts_size;
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 0795bf304b19..45b9655f3a5c 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -152,7 +152,6 @@ extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)))
152extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN); 152extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN);
153 153
154extern int prefixcmp(const char *str, const char *prefix); 154extern int prefixcmp(const char *str, const char *prefix);
155extern time_t tm_to_time_t(const struct tm *tm);
156 155
157static inline const char *skip_prefix(const char *str, const char *prefix) 156static inline const char *skip_prefix(const char *str, const char *prefix)
158{ 157{
@@ -160,119 +159,6 @@ static inline const char *skip_prefix(const char *str, const char *prefix)
160 return strncmp(str, prefix, len) ? NULL : str + len; 159 return strncmp(str, prefix, len) ? NULL : str + len;
161} 160}
162 161
163#if defined(NO_MMAP) || defined(USE_WIN32_MMAP)
164
165#ifndef PROT_READ
166#define PROT_READ 1
167#define PROT_WRITE 2
168#define MAP_PRIVATE 1
169#define MAP_FAILED ((void*)-1)
170#endif
171
172#define mmap git_mmap
173#define munmap git_munmap
174extern void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
175extern int git_munmap(void *start, size_t length);
176
177#else /* NO_MMAP || USE_WIN32_MMAP */
178
179#include <sys/mman.h>
180
181#endif /* NO_MMAP || USE_WIN32_MMAP */
182
183#ifdef NO_MMAP
184
185/* This value must be multiple of (pagesize * 2) */
186#define DEFAULT_PACKED_GIT_WINDOW_SIZE (1 * 1024 * 1024)
187
188#else /* NO_MMAP */
189
190/* This value must be multiple of (pagesize * 2) */
191#define DEFAULT_PACKED_GIT_WINDOW_SIZE \
192 (sizeof(void*) >= 8 \
193 ? 1 * 1024 * 1024 * 1024 \
194 : 32 * 1024 * 1024)
195
196#endif /* NO_MMAP */
197
198#ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
199#define on_disk_bytes(st) ((st).st_size)
200#else
201#define on_disk_bytes(st) ((st).st_blocks * 512)
202#endif
203
204#define DEFAULT_PACKED_GIT_LIMIT \
205 ((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))
206
207#ifdef NO_PREAD
208#define pread git_pread
209extern ssize_t git_pread(int fd, void *buf, size_t count, off_t offset);
210#endif
211/*
212 * Forward decl that will remind us if its twin in cache.h changes.
213 * This function is used in compat/pread.c. But we can't include
214 * cache.h there.
215 */
216extern ssize_t read_in_full(int fd, void *buf, size_t count);
217
218#ifdef NO_SETENV
219#define setenv gitsetenv
220extern int gitsetenv(const char *, const char *, int);
221#endif
222
223#ifdef NO_MKDTEMP
224#define mkdtemp gitmkdtemp
225extern char *gitmkdtemp(char *);
226#endif
227
228#ifdef NO_UNSETENV
229#define unsetenv gitunsetenv
230extern void gitunsetenv(const char *);
231#endif
232
233#ifdef NO_STRCASESTR
234#define strcasestr gitstrcasestr
235extern char *gitstrcasestr(const char *haystack, const char *needle);
236#endif
237
238#ifdef NO_STRLCPY
239#define strlcpy gitstrlcpy
240extern size_t gitstrlcpy(char *, const char *, size_t);
241#endif
242
243#ifdef NO_STRTOUMAX
244#define strtoumax gitstrtoumax
245extern uintmax_t gitstrtoumax(const char *, char **, int);
246#endif
247
248#ifdef NO_HSTRERROR
249#define hstrerror githstrerror
250extern const char *githstrerror(int herror);
251#endif
252
253#ifdef NO_MEMMEM
254#define memmem gitmemmem
255void *gitmemmem(const void *haystack, size_t haystacklen,
256 const void *needle, size_t needlelen);
257#endif
258
259#ifdef FREAD_READS_DIRECTORIES
260#ifdef fopen
261#undef fopen
262#endif
263#define fopen(a,b) git_fopen(a,b)
264extern FILE *git_fopen(const char*, const char*);
265#endif
266
267#ifdef SNPRINTF_RETURNS_BOGUS
268#define snprintf git_snprintf
269extern int git_snprintf(char *str, size_t maxsize,
270 const char *format, ...);
271#define vsnprintf git_vsnprintf
272extern int git_vsnprintf(char *str, size_t maxsize,
273 const char *format, va_list ap);
274#endif
275
276#ifdef __GLIBC_PREREQ 162#ifdef __GLIBC_PREREQ
277#if __GLIBC_PREREQ(2, 1) 163#if __GLIBC_PREREQ(2, 1)
278#define HAVE_STRCHRNUL 164#define HAVE_STRCHRNUL
@@ -293,28 +179,14 @@ static inline char *gitstrchrnul(const char *s, int c)
293 * Wrappers: 179 * Wrappers:
294 */ 180 */
295extern char *xstrdup(const char *str); 181extern char *xstrdup(const char *str);
296extern void *xmalloc(size_t size) __attribute__((weak));
297extern void *xmemdupz(const void *data, size_t len);
298extern char *xstrndup(const char *str, size_t len);
299extern void *xrealloc(void *ptr, size_t size) __attribute__((weak)); 182extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));
300 183
301static inline void *xzalloc(size_t size)
302{
303 void *buf = xmalloc(size);
304
305 return memset(buf, 0, size);
306}
307 184
308static inline void *zalloc(size_t size) 185static inline void *zalloc(size_t size)
309{ 186{
310 return calloc(1, size); 187 return calloc(1, size);
311} 188}
312 189
313static inline size_t xsize_t(off_t len)
314{
315 return (size_t)len;
316}
317
318static inline int has_extension(const char *filename, const char *ext) 190static inline int has_extension(const char *filename, const char *ext)
319{ 191{
320 size_t len = strlen(filename); 192 size_t len = strlen(filename);
@@ -351,8 +223,6 @@ extern unsigned char sane_ctype[256];
351#define isalpha(x) sane_istest(x,GIT_ALPHA) 223#define isalpha(x) sane_istest(x,GIT_ALPHA)
352#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT) 224#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
353#define isprint(x) sane_istest(x,GIT_PRINT) 225#define isprint(x) sane_istest(x,GIT_PRINT)
354#define is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL)
355#define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL | GIT_REGEX_SPECIAL)
356#define tolower(x) sane_case((unsigned char)(x), 0x20) 226#define tolower(x) sane_case((unsigned char)(x), 0x20)
357#define toupper(x) sane_case((unsigned char)(x), 0) 227#define toupper(x) sane_case((unsigned char)(x), 0)
358 228
@@ -363,38 +233,6 @@ static inline int sane_case(int x, int high)
363 return x; 233 return x;
364} 234}
365 235
366static inline int strtoul_ui(char const *s, int base, unsigned int *result)
367{
368 unsigned long ul;
369 char *p;
370
371 errno = 0;
372 ul = strtoul(s, &p, base);
373 if (errno || *p || p == s || (unsigned int) ul != ul)
374 return -1;
375 *result = ul;
376 return 0;
377}
378
379static inline int strtol_i(char const *s, int base, int *result)
380{
381 long ul;
382 char *p;
383
384 errno = 0;
385 ul = strtol(s, &p, base);
386 if (errno || *p || p == s || (int) ul != ul)
387 return -1;
388 *result = ul;
389 return 0;
390}
391
392#ifdef INTERNAL_QSORT
393void git_qsort(void *base, size_t nmemb, size_t size,
394 int(*compar)(const void *, const void *));
395#define qsort git_qsort
396#endif
397
398#ifndef DIR_HAS_BSD_GROUP_SEMANTICS 236#ifndef DIR_HAS_BSD_GROUP_SEMANTICS
399# define FORCE_DIR_SET_GID S_ISGID 237# define FORCE_DIR_SET_GID S_ISGID
400#else 238#else
diff --git a/tools/perf/util/wrapper.c b/tools/perf/util/wrapper.c
index bf44ca85d23b..73e900edb5a2 100644
--- a/tools/perf/util/wrapper.c
+++ b/tools/perf/util/wrapper.c
@@ -23,46 +23,6 @@ char *xstrdup(const char *str)
23 return ret; 23 return ret;
24} 24}
25 25
26void *xmalloc(size_t size)
27{
28 void *ret = malloc(size);
29 if (!ret && !size)
30 ret = malloc(1);
31 if (!ret) {
32 release_pack_memory(size, -1);
33 ret = malloc(size);
34 if (!ret && !size)
35 ret = malloc(1);
36 if (!ret)
37 die("Out of memory, malloc failed");
38 }
39#ifdef XMALLOC_POISON
40 memset(ret, 0xA5, size);
41#endif
42 return ret;
43}
44
45/*
46 * xmemdupz() allocates (len + 1) bytes of memory, duplicates "len" bytes of
47 * "data" to the allocated memory, zero terminates the allocated memory,
48 * and returns a pointer to the allocated memory. If the allocation fails,
49 * the program dies.
50 */
51void *xmemdupz(const void *data, size_t len)
52{
53 char *p = xmalloc(len + 1);
54 memcpy(p, data, len);
55 p[len] = '\0';
56 return p;
57}
58
59char *xstrndup(const char *str, size_t len)
60{
61 char *p = memchr(str, '\0', len);
62
63 return xmemdupz(str, p ? (size_t)(p - str) : len);
64}
65
66void *xrealloc(void *ptr, size_t size) 26void *xrealloc(void *ptr, size_t size)
67{ 27{
68 void *ret = realloc(ptr, size); 28 void *ret = realloc(ptr, size);
@@ -78,73 +38,3 @@ void *xrealloc(void *ptr, size_t size)
78 } 38 }
79 return ret; 39 return ret;
80} 40}
81
82/*
83 * xread() is the same a read(), but it automatically restarts read()
84 * operations with a recoverable error (EAGAIN and EINTR). xread()
85 * DOES NOT GUARANTEE that "len" bytes is read even if the data is available.
86 */
87static ssize_t xread(int fd, void *buf, size_t len)
88{
89 ssize_t nr;
90 while (1) {
91 nr = read(fd, buf, len);
92 if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
93 continue;
94 return nr;
95 }
96}
97
98/*
99 * xwrite() is the same a write(), but it automatically restarts write()
100 * operations with a recoverable error (EAGAIN and EINTR). xwrite() DOES NOT
101 * GUARANTEE that "len" bytes is written even if the operation is successful.
102 */
103static ssize_t xwrite(int fd, const void *buf, size_t len)
104{
105 ssize_t nr;
106 while (1) {
107 nr = write(fd, buf, len);
108 if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
109 continue;
110 return nr;
111 }
112}
113
114ssize_t read_in_full(int fd, void *buf, size_t count)
115{
116 char *p = buf;
117 ssize_t total = 0;
118
119 while (count > 0) {
120 ssize_t loaded = xread(fd, p, count);
121 if (loaded <= 0)
122 return total ? total : loaded;
123 count -= loaded;
124 p += loaded;
125 total += loaded;
126 }
127
128 return total;
129}
130
131ssize_t write_in_full(int fd, const void *buf, size_t count)
132{
133 const char *p = buf;
134 ssize_t total = 0;
135
136 while (count > 0) {
137 ssize_t written = xwrite(fd, p, count);
138 if (written < 0)
139 return -1;
140 if (!written) {
141 errno = ENOSPC;
142 return -1;
143 }
144 count -= written;
145 p += written;
146 total += written;
147 }
148
149 return total;
150}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-18 18:46:39 -0500