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-rw-r--r--tools/perf/Makefile2
-rw-r--r--tools/perf/builtin-top.c482
-rw-r--r--tools/perf/util/top.c212
-rw-r--r--tools/perf/util/top.h67
4 files changed, 418 insertions, 345 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 36ff73c0af94..edc660e0bc2f 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -437,6 +437,7 @@ LIB_H += util/probe-finder.h
437LIB_H += util/probe-event.h 437LIB_H += util/probe-event.h
438LIB_H += util/pstack.h 438LIB_H += util/pstack.h
439LIB_H += util/cpumap.h 439LIB_H += util/cpumap.h
440LIB_H += util/top.h
440LIB_H += $(ARCH_INCLUDE) 441LIB_H += $(ARCH_INCLUDE)
441 442
442LIB_OBJS += $(OUTPUT)util/abspath.o 443LIB_OBJS += $(OUTPUT)util/abspath.o
@@ -464,6 +465,7 @@ LIB_OBJS += $(OUTPUT)util/strbuf.o
464LIB_OBJS += $(OUTPUT)util/string.o 465LIB_OBJS += $(OUTPUT)util/string.o
465LIB_OBJS += $(OUTPUT)util/strlist.o 466LIB_OBJS += $(OUTPUT)util/strlist.o
466LIB_OBJS += $(OUTPUT)util/strfilter.o 467LIB_OBJS += $(OUTPUT)util/strfilter.o
468LIB_OBJS += $(OUTPUT)util/top.o
467LIB_OBJS += $(OUTPUT)util/usage.o 469LIB_OBJS += $(OUTPUT)util/usage.o
468LIB_OBJS += $(OUTPUT)util/wrapper.o 470LIB_OBJS += $(OUTPUT)util/wrapper.o
469LIB_OBJS += $(OUTPUT)util/sigchain.o 471LIB_OBJS += $(OUTPUT)util/sigchain.o
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 599036b06730..3c9ba943aa48 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -27,6 +27,7 @@
27#include "util/symbol.h" 27#include "util/symbol.h"
28#include "util/thread.h" 28#include "util/thread.h"
29#include "util/thread_map.h" 29#include "util/thread_map.h"
30#include "util/top.h"
30#include "util/util.h" 31#include "util/util.h"
31#include <linux/rbtree.h> 32#include <linux/rbtree.h>
32#include "util/parse-options.h" 33#include "util/parse-options.h"
@@ -47,7 +48,6 @@
47#include <errno.h> 48#include <errno.h>
48#include <time.h> 49#include <time.h>
49#include <sched.h> 50#include <sched.h>
50#include <pthread.h>
51 51
52#include <sys/syscall.h> 52#include <sys/syscall.h>
53#include <sys/ioctl.h> 53#include <sys/ioctl.h>
@@ -62,75 +62,35 @@
62 62
63#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) 63#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
64 64
65struct perf_evlist *evsel_list; 65static struct perf_top top = {
66 .count_filter = 5,
67 .delay_secs = 2,
68 .display_weighted = -1,
69 .target_pid = -1,
70 .target_tid = -1,
71 .active_symbols = LIST_HEAD_INIT(top.active_symbols),
72 .active_symbols_lock = PTHREAD_MUTEX_INITIALIZER,
73 .freq = 1000, /* 1 KHz */
74};
66 75
67static bool system_wide = false; 76static bool system_wide = false;
68 77
69static int default_interval = 0; 78static int default_interval = 0;
70 79
71static int count_filter = 5;
72static int print_entries;
73
74static int target_pid = -1;
75static int target_tid = -1;
76static bool inherit = false; 80static bool inherit = false;
77static int realtime_prio = 0; 81static int realtime_prio = 0;
78static bool group = false; 82static bool group = false;
79static unsigned int page_size; 83static unsigned int page_size;
80static unsigned int mmap_pages = 128; 84static unsigned int mmap_pages = 128;
81static int freq = 1000; /* 1 KHz */
82 85
83static int delay_secs = 2;
84static bool zero = false;
85static bool dump_symtab = false; 86static bool dump_symtab = false;
86 87
87static bool hide_kernel_symbols = false;
88static bool hide_user_symbols = false;
89static struct winsize winsize; 88static struct winsize winsize;
90 89
91/*
92 * Source
93 */
94
95struct source_line {
96 u64 eip;
97 unsigned long count[MAX_COUNTERS];
98 char *line;
99 struct source_line *next;
100};
101
102static const char *sym_filter = NULL; 90static const char *sym_filter = NULL;
103struct sym_entry *sym_filter_entry = NULL; 91struct sym_entry *sym_filter_entry = NULL;
104struct sym_entry *sym_filter_entry_sched = NULL; 92struct sym_entry *sym_filter_entry_sched = NULL;
105static int sym_pcnt_filter = 5; 93static int sym_pcnt_filter = 5;
106static int sym_counter = 0;
107static struct perf_evsel *sym_evsel = NULL;
108static int display_weighted = -1;
109static const char *cpu_list;
110
111/*
112 * Symbols
113 */
114
115struct sym_entry_source {
116 struct source_line *source;
117 struct source_line *lines;
118 struct source_line **lines_tail;
119 pthread_mutex_t lock;
120};
121
122struct sym_entry {
123 struct rb_node rb_node;
124 struct list_head node;
125 unsigned long snap_count;
126 double weight;
127 int skip;
128 u16 name_len;
129 u8 origin;
130 struct map *map;
131 struct sym_entry_source *src;
132 unsigned long count[0];
133};
134 94
135/* 95/*
136 * Source functions 96 * Source functions
@@ -165,10 +125,10 @@ void get_term_dimensions(struct winsize *ws)
165 125
166static void update_print_entries(struct winsize *ws) 126static void update_print_entries(struct winsize *ws)
167{ 127{
168 print_entries = ws->ws_row; 128 top.print_entries = ws->ws_row;
169 129
170 if (print_entries > 9) 130 if (top.print_entries > 9)
171 print_entries -= 9; 131 top.print_entries -= 9;
172} 132}
173 133
174static void sig_winch_handler(int sig __used) 134static void sig_winch_handler(int sig __used)
@@ -269,7 +229,7 @@ static void __zero_source_counters(struct sym_entry *syme)
269 229
270 line = syme->src->lines; 230 line = syme->src->lines;
271 while (line) { 231 while (line) {
272 for (i = 0; i < evsel_list->nr_entries; i++) 232 for (i = 0; i < top.evlist->nr_entries; i++)
273 line->count[i] = 0; 233 line->count[i] = 0;
274 line = line->next; 234 line = line->next;
275 } 235 }
@@ -331,9 +291,9 @@ static void show_lines(struct source_line *queue, int count, int total)
331 291
332 line = queue; 292 line = queue;
333 for (i = 0; i < count; i++) { 293 for (i = 0; i < count; i++) {
334 float pcnt = 100.0*(float)line->count[sym_counter]/(float)total; 294 float pcnt = 100.0*(float)line->count[top.sym_counter]/(float)total;
335 295
336 printf("%8li %4.1f%%\t%s\n", line->count[sym_counter], pcnt, line->line); 296 printf("%8li %4.1f%%\t%s\n", line->count[top.sym_counter], pcnt, line->line);
337 line = line->next; 297 line = line->next;
338 } 298 }
339} 299}
@@ -358,13 +318,13 @@ static void show_details(struct sym_entry *syme)
358 return; 318 return;
359 319
360 symbol = sym_entry__symbol(syme); 320 symbol = sym_entry__symbol(syme);
361 printf("Showing %s for %s\n", event_name(sym_evsel), symbol->name); 321 printf("Showing %s for %s\n", event_name(top.sym_evsel), symbol->name);
362 printf(" Events Pcnt (>=%d%%)\n", sym_pcnt_filter); 322 printf(" Events Pcnt (>=%d%%)\n", sym_pcnt_filter);
363 323
364 pthread_mutex_lock(&syme->src->lock); 324 pthread_mutex_lock(&syme->src->lock);
365 line = syme->src->source; 325 line = syme->src->source;
366 while (line) { 326 while (line) {
367 total += line->count[sym_counter]; 327 total += line->count[top.sym_counter];
368 line = line->next; 328 line = line->next;
369 } 329 }
370 330
@@ -376,10 +336,10 @@ static void show_details(struct sym_entry *syme)
376 line_queue = line; 336 line_queue = line;
377 line_queue_count++; 337 line_queue_count++;
378 338
379 if (line->count[sym_counter]) 339 if (line->count[top.sym_counter])
380 pcnt = 100.0 * line->count[sym_counter] / (float)total; 340 pcnt = 100.0 * line->count[top.sym_counter] / (float)total;
381 if (pcnt >= (float)sym_pcnt_filter) { 341 if (pcnt >= (float)sym_pcnt_filter) {
382 if (displayed <= print_entries) 342 if (displayed <= top.print_entries)
383 show_lines(line_queue, line_queue_count, total); 343 show_lines(line_queue, line_queue_count, total);
384 else more++; 344 else more++;
385 displayed += line_queue_count; 345 displayed += line_queue_count;
@@ -390,7 +350,7 @@ static void show_details(struct sym_entry *syme)
390 line_queue_count--; 350 line_queue_count--;
391 } 351 }
392 352
393 line->count[sym_counter] = zero ? 0 : line->count[sym_counter] * 7 / 8; 353 line->count[top.sym_counter] = top.zero ? 0 : line->count[top.sym_counter] * 7 / 8;
394 line = line->next; 354 line = line->next;
395 } 355 }
396 pthread_mutex_unlock(&syme->src->lock); 356 pthread_mutex_unlock(&syme->src->lock);
@@ -398,181 +358,30 @@ static void show_details(struct sym_entry *syme)
398 printf("%d lines not displayed, maybe increase display entries [e]\n", more); 358 printf("%d lines not displayed, maybe increase display entries [e]\n", more);
399} 359}
400 360
401/*
402 * Symbols will be added here in perf_event__process_sample and will get out
403 * after decayed.
404 */
405static LIST_HEAD(active_symbols);
406static pthread_mutex_t active_symbols_lock = PTHREAD_MUTEX_INITIALIZER;
407
408/*
409 * Ordering weight: count-1 * count-2 * ... / count-n
410 */
411static double sym_weight(const struct sym_entry *sym)
412{
413 double weight = sym->snap_count;
414 int counter;
415
416 if (!display_weighted)
417 return weight;
418
419 for (counter = 1; counter < evsel_list->nr_entries - 1; counter++)
420 weight *= sym->count[counter];
421
422 weight /= (sym->count[counter] + 1);
423
424 return weight;
425}
426
427static long samples;
428static long kernel_samples, us_samples;
429static long exact_samples;
430static long guest_us_samples, guest_kernel_samples;
431static const char CONSOLE_CLEAR[] = ""; 361static const char CONSOLE_CLEAR[] = "";
432 362
433static void __list_insert_active_sym(struct sym_entry *syme) 363static void __list_insert_active_sym(struct sym_entry *syme)
434{ 364{
435 list_add(&syme->node, &active_symbols); 365 list_add(&syme->node, &top.active_symbols);
436}
437
438static void list_remove_active_sym(struct sym_entry *syme)
439{
440 pthread_mutex_lock(&active_symbols_lock);
441 list_del_init(&syme->node);
442 pthread_mutex_unlock(&active_symbols_lock);
443}
444
445static void rb_insert_active_sym(struct rb_root *tree, struct sym_entry *se)
446{
447 struct rb_node **p = &tree->rb_node;
448 struct rb_node *parent = NULL;
449 struct sym_entry *iter;
450
451 while (*p != NULL) {
452 parent = *p;
453 iter = rb_entry(parent, struct sym_entry, rb_node);
454
455 if (se->weight > iter->weight)
456 p = &(*p)->rb_left;
457 else
458 p = &(*p)->rb_right;
459 }
460
461 rb_link_node(&se->rb_node, parent, p);
462 rb_insert_color(&se->rb_node, tree);
463} 366}
464 367
465static void print_sym_table(struct perf_session *session) 368static void print_sym_table(struct perf_session *session)
466{ 369{
467 int printed = 0, j; 370 char bf[160];
468 struct perf_evsel *counter; 371 int printed = 0;
469 int snap = !display_weighted ? sym_counter : 0;
470 float samples_per_sec = samples/delay_secs;
471 float ksamples_per_sec = kernel_samples/delay_secs;
472 float us_samples_per_sec = (us_samples)/delay_secs;
473 float guest_kernel_samples_per_sec = (guest_kernel_samples)/delay_secs;
474 float guest_us_samples_per_sec = (guest_us_samples)/delay_secs;
475 float esamples_percent = (100.0*exact_samples)/samples;
476 float sum_ksamples = 0.0;
477 struct sym_entry *syme, *n;
478 struct rb_root tmp = RB_ROOT;
479 struct rb_node *nd; 372 struct rb_node *nd;
480 int sym_width = 0, dso_width = 0, dso_short_width = 0; 373 struct sym_entry *syme;
374 struct rb_root tmp = RB_ROOT;
481 const int win_width = winsize.ws_col - 1; 375 const int win_width = winsize.ws_col - 1;
482 376 int sym_width, dso_width, dso_short_width;
483 samples = us_samples = kernel_samples = exact_samples = 0; 377 float sum_ksamples = perf_top__decay_samples(&top, &tmp);
484 guest_kernel_samples = guest_us_samples = 0;
485
486 /* Sort the active symbols */
487 pthread_mutex_lock(&active_symbols_lock);
488 syme = list_entry(active_symbols.next, struct sym_entry, node);
489 pthread_mutex_unlock(&active_symbols_lock);
490
491 list_for_each_entry_safe_from(syme, n, &active_symbols, node) {
492 syme->snap_count = syme->count[snap];
493 if (syme->snap_count != 0) {
494
495 if ((hide_user_symbols &&
496 syme->origin == PERF_RECORD_MISC_USER) ||
497 (hide_kernel_symbols &&
498 syme->origin == PERF_RECORD_MISC_KERNEL)) {
499 list_remove_active_sym(syme);
500 continue;
501 }
502 syme->weight = sym_weight(syme);
503 rb_insert_active_sym(&tmp, syme);
504 sum_ksamples += syme->snap_count;
505
506 for (j = 0; j < evsel_list->nr_entries; j++)
507 syme->count[j] = zero ? 0 : syme->count[j] * 7 / 8;
508 } else
509 list_remove_active_sym(syme);
510 }
511 378
512 puts(CONSOLE_CLEAR); 379 puts(CONSOLE_CLEAR);
513 380
514 if (!perf_guest) { 381 perf_top__header_snprintf(&top, bf, sizeof(bf));
515 printf(" PerfTop:%8.0f irqs/sec kernel:%4.1f%%" 382 printf("%s\n", bf);
516 " exact: %4.1f%% [",
517 samples_per_sec,
518 100.0 - (100.0 * ((samples_per_sec - ksamples_per_sec) /
519 samples_per_sec)),
520 esamples_percent);
521 } else {
522 printf(" PerfTop:%8.0f irqs/sec kernel:%4.1f%% us:%4.1f%%"
523 " guest kernel:%4.1f%% guest us:%4.1f%%"
524 " exact: %4.1f%% [",
525 samples_per_sec,
526 100.0 - (100.0 * ((samples_per_sec-ksamples_per_sec) /
527 samples_per_sec)),
528 100.0 - (100.0 * ((samples_per_sec-us_samples_per_sec) /
529 samples_per_sec)),
530 100.0 - (100.0 * ((samples_per_sec -
531 guest_kernel_samples_per_sec) /
532 samples_per_sec)),
533 100.0 - (100.0 * ((samples_per_sec -
534 guest_us_samples_per_sec) /
535 samples_per_sec)),
536 esamples_percent);
537 }
538 383
539 if (evsel_list->nr_entries == 1 || !display_weighted) { 384 perf_top__reset_sample_counters(&top);
540 struct perf_evsel *first;
541 first = list_entry(evsel_list->entries.next, struct perf_evsel, node);
542 printf("%" PRIu64, (uint64_t)first->attr.sample_period);
543 if (freq)
544 printf("Hz ");
545 else
546 printf(" ");
547 }
548
549 if (!display_weighted)
550 printf("%s", event_name(sym_evsel));
551 else list_for_each_entry(counter, &evsel_list->entries, node) {
552 if (counter->idx)
553 printf("/");
554
555 printf("%s", event_name(counter));
556 }
557
558 printf( "], ");
559
560 if (target_pid != -1)
561 printf(" (target_pid: %d", target_pid);
562 else if (target_tid != -1)
563 printf(" (target_tid: %d", target_tid);
564 else
565 printf(" (all");
566
567 if (cpu_list)
568 printf(", CPU%s: %s)\n", evsel_list->cpus->nr > 1 ? "s" : "", cpu_list);
569 else {
570 if (target_tid != -1)
571 printf(")\n");
572 else
573 printf(", %d CPU%s)\n", evsel_list->cpus->nr,
574 evsel_list->cpus->nr > 1 ? "s" : "");
575 }
576 385
577 printf("%-*.*s\n", win_width, win_width, graph_dotted_line); 386 printf("%-*.*s\n", win_width, win_width, graph_dotted_line);
578 387
@@ -587,26 +396,8 @@ static void print_sym_table(struct perf_session *session)
587 return; 396 return;
588 } 397 }
589 398
590 /* 399 perf_top__find_widths(&top, &tmp, &dso_width, &dso_short_width,
591 * Find the longest symbol name that will be displayed 400 &sym_width);
592 */
593 for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) {
594 syme = rb_entry(nd, struct sym_entry, rb_node);
595 if (++printed > print_entries ||
596 (int)syme->snap_count < count_filter)
597 continue;
598
599 if (syme->map->dso->long_name_len > dso_width)
600 dso_width = syme->map->dso->long_name_len;
601
602 if (syme->map->dso->short_name_len > dso_short_width)
603 dso_short_width = syme->map->dso->short_name_len;
604
605 if (syme->name_len > sym_width)
606 sym_width = syme->name_len;
607 }
608
609 printed = 0;
610 401
611 if (sym_width + dso_width > winsize.ws_col - 29) { 402 if (sym_width + dso_width > winsize.ws_col - 29) {
612 dso_width = dso_short_width; 403 dso_width = dso_short_width;
@@ -614,7 +405,7 @@ static void print_sym_table(struct perf_session *session)
614 sym_width = winsize.ws_col - dso_width - 29; 405 sym_width = winsize.ws_col - dso_width - 29;
615 } 406 }
616 putchar('\n'); 407 putchar('\n');
617 if (evsel_list->nr_entries == 1) 408 if (top.evlist->nr_entries == 1)
618 printf(" samples pcnt"); 409 printf(" samples pcnt");
619 else 410 else
620 printf(" weight samples pcnt"); 411 printf(" weight samples pcnt");
@@ -623,7 +414,7 @@ static void print_sym_table(struct perf_session *session)
623 printf(" RIP "); 414 printf(" RIP ");
624 printf(" %-*.*s DSO\n", sym_width, sym_width, "function"); 415 printf(" %-*.*s DSO\n", sym_width, sym_width, "function");
625 printf(" %s _______ _____", 416 printf(" %s _______ _____",
626 evsel_list->nr_entries == 1 ? " " : "______"); 417 top.evlist->nr_entries == 1 ? " " : "______");
627 if (verbose) 418 if (verbose)
628 printf(" ________________"); 419 printf(" ________________");
629 printf(" %-*.*s", sym_width, sym_width, graph_line); 420 printf(" %-*.*s", sym_width, sym_width, graph_line);
@@ -636,13 +427,14 @@ static void print_sym_table(struct perf_session *session)
636 427
637 syme = rb_entry(nd, struct sym_entry, rb_node); 428 syme = rb_entry(nd, struct sym_entry, rb_node);
638 sym = sym_entry__symbol(syme); 429 sym = sym_entry__symbol(syme);
639 if (++printed > print_entries || (int)syme->snap_count < count_filter) 430 if (++printed > top.print_entries ||
431 (int)syme->snap_count < top.count_filter)
640 continue; 432 continue;
641 433
642 pcnt = 100.0 - (100.0 * ((sum_ksamples - syme->snap_count) / 434 pcnt = 100.0 - (100.0 * ((sum_ksamples - syme->snap_count) /
643 sum_ksamples)); 435 sum_ksamples));
644 436
645 if (evsel_list->nr_entries == 1 || !display_weighted) 437 if (top.evlist->nr_entries == 1 || !top.display_weighted)
646 printf("%20.2f ", syme->weight); 438 printf("%20.2f ", syme->weight);
647 else 439 else
648 printf("%9.1f %10ld ", syme->weight, syme->snap_count); 440 printf("%9.1f %10ld ", syme->weight, syme->snap_count);
@@ -715,11 +507,11 @@ static void prompt_symbol(struct sym_entry **target, const char *msg)
715 if (p) 507 if (p)
716 *p = 0; 508 *p = 0;
717 509
718 pthread_mutex_lock(&active_symbols_lock); 510 pthread_mutex_lock(&top.active_symbols_lock);
719 syme = list_entry(active_symbols.next, struct sym_entry, node); 511 syme = list_entry(top.active_symbols.next, struct sym_entry, node);
720 pthread_mutex_unlock(&active_symbols_lock); 512 pthread_mutex_unlock(&top.active_symbols_lock);
721 513
722 list_for_each_entry_safe_from(syme, n, &active_symbols, node) { 514 list_for_each_entry_safe_from(syme, n, &top.active_symbols, node) {
723 struct symbol *sym = sym_entry__symbol(syme); 515 struct symbol *sym = sym_entry__symbol(syme);
724 516
725 if (!strcmp(buf, sym->name)) { 517 if (!strcmp(buf, sym->name)) {
@@ -749,28 +541,28 @@ static void print_mapped_keys(void)
749 } 541 }
750 542
751 fprintf(stdout, "\nMapped keys:\n"); 543 fprintf(stdout, "\nMapped keys:\n");
752 fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", delay_secs); 544 fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top.delay_secs);
753 fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", print_entries); 545 fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top.print_entries);
754 546
755 if (evsel_list->nr_entries > 1) 547 if (top.evlist->nr_entries > 1)
756 fprintf(stdout, "\t[E] active event counter. \t(%s)\n", event_name(sym_evsel)); 548 fprintf(stdout, "\t[E] active event counter. \t(%s)\n", event_name(top.sym_evsel));
757 549
758 fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", count_filter); 550 fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top.count_filter);
759 551
760 fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", sym_pcnt_filter); 552 fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", sym_pcnt_filter);
761 fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); 553 fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL");
762 fprintf(stdout, "\t[S] stop annotation.\n"); 554 fprintf(stdout, "\t[S] stop annotation.\n");
763 555
764 if (evsel_list->nr_entries > 1) 556 if (top.evlist->nr_entries > 1)
765 fprintf(stdout, "\t[w] toggle display weighted/count[E]r. \t(%d)\n", display_weighted ? 1 : 0); 557 fprintf(stdout, "\t[w] toggle display weighted/count[E]r. \t(%d)\n", top.display_weighted ? 1 : 0);
766 558
767 fprintf(stdout, 559 fprintf(stdout,
768 "\t[K] hide kernel_symbols symbols. \t(%s)\n", 560 "\t[K] hide kernel_symbols symbols. \t(%s)\n",
769 hide_kernel_symbols ? "yes" : "no"); 561 top.hide_kernel_symbols ? "yes" : "no");
770 fprintf(stdout, 562 fprintf(stdout,
771 "\t[U] hide user symbols. \t(%s)\n", 563 "\t[U] hide user symbols. \t(%s)\n",
772 hide_user_symbols ? "yes" : "no"); 564 top.hide_user_symbols ? "yes" : "no");
773 fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", zero ? 1 : 0); 565 fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", top.zero ? 1 : 0);
774 fprintf(stdout, "\t[qQ] quit.\n"); 566 fprintf(stdout, "\t[qQ] quit.\n");
775} 567}
776 568
@@ -791,7 +583,7 @@ static int key_mapped(int c)
791 return 1; 583 return 1;
792 case 'E': 584 case 'E':
793 case 'w': 585 case 'w':
794 return evsel_list->nr_entries > 1 ? 1 : 0; 586 return top.evlist->nr_entries > 1 ? 1 : 0;
795 default: 587 default:
796 break; 588 break;
797 } 589 }
@@ -826,47 +618,47 @@ static void handle_keypress(struct perf_session *session, int c)
826 618
827 switch (c) { 619 switch (c) {
828 case 'd': 620 case 'd':
829 prompt_integer(&delay_secs, "Enter display delay"); 621 prompt_integer(&top.delay_secs, "Enter display delay");
830 if (delay_secs < 1) 622 if (top.delay_secs < 1)
831 delay_secs = 1; 623 top.delay_secs = 1;
832 break; 624 break;
833 case 'e': 625 case 'e':
834 prompt_integer(&print_entries, "Enter display entries (lines)"); 626 prompt_integer(&top.print_entries, "Enter display entries (lines)");
835 if (print_entries == 0) { 627 if (top.print_entries == 0) {
836 sig_winch_handler(SIGWINCH); 628 sig_winch_handler(SIGWINCH);
837 signal(SIGWINCH, sig_winch_handler); 629 signal(SIGWINCH, sig_winch_handler);
838 } else 630 } else
839 signal(SIGWINCH, SIG_DFL); 631 signal(SIGWINCH, SIG_DFL);
840 break; 632 break;
841 case 'E': 633 case 'E':
842 if (evsel_list->nr_entries > 1) { 634 if (top.evlist->nr_entries > 1) {
843 fprintf(stderr, "\nAvailable events:"); 635 fprintf(stderr, "\nAvailable events:");
844 636
845 list_for_each_entry(sym_evsel, &evsel_list->entries, node) 637 list_for_each_entry(top.sym_evsel, &top.evlist->entries, node)
846 fprintf(stderr, "\n\t%d %s", sym_evsel->idx, event_name(sym_evsel)); 638 fprintf(stderr, "\n\t%d %s", top.sym_evsel->idx, event_name(top.sym_evsel));
847 639
848 prompt_integer(&sym_counter, "Enter details event counter"); 640 prompt_integer(&top.sym_counter, "Enter details event counter");
849 641
850 if (sym_counter >= evsel_list->nr_entries) { 642 if (top.sym_counter >= top.evlist->nr_entries) {
851 sym_evsel = list_entry(evsel_list->entries.next, struct perf_evsel, node); 643 top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
852 sym_counter = 0; 644 top.sym_counter = 0;
853 fprintf(stderr, "Sorry, no such event, using %s.\n", event_name(sym_evsel)); 645 fprintf(stderr, "Sorry, no such event, using %s.\n", event_name(top.sym_evsel));
854 sleep(1); 646 sleep(1);
855 break; 647 break;
856 } 648 }
857 list_for_each_entry(sym_evsel, &evsel_list->entries, node) 649 list_for_each_entry(top.sym_evsel, &top.evlist->entries, node)
858 if (sym_evsel->idx == sym_counter) 650 if (top.sym_evsel->idx == top.sym_counter)
859 break; 651 break;
860 } else sym_counter = 0; 652 } else top.sym_counter = 0;
861 break; 653 break;
862 case 'f': 654 case 'f':
863 prompt_integer(&count_filter, "Enter display event count filter"); 655 prompt_integer(&top.count_filter, "Enter display event count filter");
864 break; 656 break;
865 case 'F': 657 case 'F':
866 prompt_percent(&sym_pcnt_filter, "Enter details display event filter (percent)"); 658 prompt_percent(&sym_pcnt_filter, "Enter details display event filter (percent)");
867 break; 659 break;
868 case 'K': 660 case 'K':
869 hide_kernel_symbols = !hide_kernel_symbols; 661 top.hide_kernel_symbols = !top.hide_kernel_symbols;
870 break; 662 break;
871 case 'q': 663 case 'q':
872 case 'Q': 664 case 'Q':
@@ -890,13 +682,13 @@ static void handle_keypress(struct perf_session *session, int c)
890 } 682 }
891 break; 683 break;
892 case 'U': 684 case 'U':
893 hide_user_symbols = !hide_user_symbols; 685 top.hide_user_symbols = !top.hide_user_symbols;
894 break; 686 break;
895 case 'w': 687 case 'w':
896 display_weighted = ~display_weighted; 688 top.display_weighted = ~top.display_weighted;
897 break; 689 break;
898 case 'z': 690 case 'z':
899 zero = !zero; 691 top.zero = !top.zero;
900 break; 692 break;
901 default: 693 default:
902 break; 694 break;
@@ -917,7 +709,7 @@ static void *display_thread(void *arg __used)
917 tc.c_cc[VTIME] = 0; 709 tc.c_cc[VTIME] = 0;
918 710
919repeat: 711repeat:
920 delay_msecs = delay_secs * 1000; 712 delay_msecs = top.delay_secs * 1000;
921 tcsetattr(0, TCSANOW, &tc); 713 tcsetattr(0, TCSANOW, &tc);
922 /* trash return*/ 714 /* trash return*/
923 getc(stdin); 715 getc(stdin);
@@ -1005,27 +797,27 @@ static void perf_event__process_sample(const union perf_event *event,
1005 struct machine *machine; 797 struct machine *machine;
1006 u8 origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; 798 u8 origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
1007 799
1008 ++samples; 800 ++top.samples;
1009 801
1010 switch (origin) { 802 switch (origin) {
1011 case PERF_RECORD_MISC_USER: 803 case PERF_RECORD_MISC_USER:
1012 ++us_samples; 804 ++top.us_samples;
1013 if (hide_user_symbols) 805 if (top.hide_user_symbols)
1014 return; 806 return;
1015 machine = perf_session__find_host_machine(session); 807 machine = perf_session__find_host_machine(session);
1016 break; 808 break;
1017 case PERF_RECORD_MISC_KERNEL: 809 case PERF_RECORD_MISC_KERNEL:
1018 ++kernel_samples; 810 ++top.kernel_samples;
1019 if (hide_kernel_symbols) 811 if (top.hide_kernel_symbols)
1020 return; 812 return;
1021 machine = perf_session__find_host_machine(session); 813 machine = perf_session__find_host_machine(session);
1022 break; 814 break;
1023 case PERF_RECORD_MISC_GUEST_KERNEL: 815 case PERF_RECORD_MISC_GUEST_KERNEL:
1024 ++guest_kernel_samples; 816 ++top.guest_kernel_samples;
1025 machine = perf_session__find_machine(session, event->ip.pid); 817 machine = perf_session__find_machine(session, event->ip.pid);
1026 break; 818 break;
1027 case PERF_RECORD_MISC_GUEST_USER: 819 case PERF_RECORD_MISC_GUEST_USER:
1028 ++guest_us_samples; 820 ++top.guest_us_samples;
1029 /* 821 /*
1030 * TODO: we don't process guest user from host side 822 * TODO: we don't process guest user from host side
1031 * except simple counting. 823 * except simple counting.
@@ -1042,7 +834,7 @@ static void perf_event__process_sample(const union perf_event *event,
1042 } 834 }
1043 835
1044 if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) 836 if (event->header.misc & PERF_RECORD_MISC_EXACT_IP)
1045 exact_samples++; 837 top.exact_samples++;
1046 838
1047 if (perf_event__preprocess_sample(event, session, &al, sample, 839 if (perf_event__preprocess_sample(event, session, &al, sample,
1048 symbol_filter) < 0 || 840 symbol_filter) < 0 ||
@@ -1093,14 +885,14 @@ static void perf_event__process_sample(const union perf_event *event,
1093 struct perf_evsel *evsel; 885 struct perf_evsel *evsel;
1094 886
1095 syme->origin = origin; 887 syme->origin = origin;
1096 evsel = perf_evlist__id2evsel(evsel_list, sample->id); 888 evsel = perf_evlist__id2evsel(top.evlist, sample->id);
1097 assert(evsel != NULL); 889 assert(evsel != NULL);
1098 syme->count[evsel->idx]++; 890 syme->count[evsel->idx]++;
1099 record_precise_ip(syme, evsel->idx, ip); 891 record_precise_ip(syme, evsel->idx, ip);
1100 pthread_mutex_lock(&active_symbols_lock); 892 pthread_mutex_lock(&top.active_symbols_lock);
1101 if (list_empty(&syme->node) || !syme->node.next) 893 if (list_empty(&syme->node) || !syme->node.next)
1102 __list_insert_active_sym(syme); 894 __list_insert_active_sym(syme);
1103 pthread_mutex_unlock(&active_symbols_lock); 895 pthread_mutex_unlock(&top.active_symbols_lock);
1104 } 896 }
1105} 897}
1106 898
@@ -1109,7 +901,7 @@ static void perf_session__mmap_read_cpu(struct perf_session *self, int cpu)
1109 struct perf_sample sample; 901 struct perf_sample sample;
1110 union perf_event *event; 902 union perf_event *event;
1111 903
1112 while ((event = perf_evlist__read_on_cpu(evsel_list, cpu)) != NULL) { 904 while ((event = perf_evlist__read_on_cpu(top.evlist, cpu)) != NULL) {
1113 perf_session__parse_sample(self, event, &sample); 905 perf_session__parse_sample(self, event, &sample);
1114 906
1115 if (event->header.type == PERF_RECORD_SAMPLE) 907 if (event->header.type == PERF_RECORD_SAMPLE)
@@ -1123,7 +915,7 @@ static void perf_session__mmap_read(struct perf_session *self)
1123{ 915{
1124 int i; 916 int i;
1125 917
1126 for (i = 0; i < evsel_list->cpus->nr; i++) 918 for (i = 0; i < top.evlist->cpus->nr; i++)
1127 perf_session__mmap_read_cpu(self, i); 919 perf_session__mmap_read_cpu(self, i);
1128} 920}
1129 921
@@ -1136,10 +928,10 @@ static void start_counters(struct perf_evlist *evlist)
1136 928
1137 attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; 929 attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID;
1138 930
1139 if (freq) { 931 if (top.freq) {
1140 attr->sample_type |= PERF_SAMPLE_PERIOD; 932 attr->sample_type |= PERF_SAMPLE_PERIOD;
1141 attr->freq = 1; 933 attr->freq = 1;
1142 attr->sample_freq = freq; 934 attr->sample_freq = top.freq;
1143 } 935 }
1144 936
1145 if (evlist->nr_entries > 1) { 937 if (evlist->nr_entries > 1) {
@@ -1149,8 +941,8 @@ static void start_counters(struct perf_evlist *evlist)
1149 941
1150 attr->mmap = 1; 942 attr->mmap = 1;
1151try_again: 943try_again:
1152 if (perf_evsel__open(counter, evsel_list->cpus, 944 if (perf_evsel__open(counter, top.evlist->cpus,
1153 evsel_list->threads, group, inherit) < 0) { 945 top.evlist->threads, group, inherit) < 0) {
1154 int err = errno; 946 int err = errno;
1155 947
1156 if (err == EPERM || err == EACCES) 948 if (err == EPERM || err == EACCES)
@@ -1198,18 +990,18 @@ static int __cmd_top(void)
1198 if (session == NULL) 990 if (session == NULL)
1199 return -ENOMEM; 991 return -ENOMEM;
1200 992
1201 if (target_tid != -1) 993 if (top.target_tid != -1)
1202 perf_event__synthesize_thread(target_tid, perf_event__process, 994 perf_event__synthesize_thread(top.target_tid, perf_event__process,
1203 session); 995 session);
1204 else 996 else
1205 perf_event__synthesize_threads(perf_event__process, session); 997 perf_event__synthesize_threads(perf_event__process, session);
1206 998
1207 start_counters(evsel_list); 999 start_counters(top.evlist);
1208 first = list_entry(evsel_list->entries.next, struct perf_evsel, node); 1000 first = list_entry(top.evlist->entries.next, struct perf_evsel, node);
1209 perf_session__set_sample_type(session, first->attr.sample_type); 1001 perf_session__set_sample_type(session, first->attr.sample_type);
1210 1002
1211 /* Wait for a minimal set of events before starting the snapshot */ 1003 /* Wait for a minimal set of events before starting the snapshot */
1212 poll(evsel_list->pollfd, evsel_list->nr_fds, 100); 1004 poll(top.evlist->pollfd, top.evlist->nr_fds, 100);
1213 1005
1214 perf_session__mmap_read(session); 1006 perf_session__mmap_read(session);
1215 1007
@@ -1229,12 +1021,12 @@ static int __cmd_top(void)
1229 } 1021 }
1230 1022
1231 while (1) { 1023 while (1) {
1232 int hits = samples; 1024 u64 hits = top.samples;
1233 1025
1234 perf_session__mmap_read(session); 1026 perf_session__mmap_read(session);
1235 1027
1236 if (hits == samples) 1028 if (hits == top.samples)
1237 ret = poll(evsel_list->pollfd, evsel_list->nr_fds, 100); 1029 ret = poll(top.evlist->pollfd, top.evlist->nr_fds, 100);
1238 } 1030 }
1239 1031
1240 return 0; 1032 return 0;
@@ -1246,31 +1038,31 @@ static const char * const top_usage[] = {
1246}; 1038};
1247 1039
1248static const struct option options[] = { 1040static const struct option options[] = {
1249 OPT_CALLBACK('e', "event", &evsel_list, "event", 1041 OPT_CALLBACK('e', "event", &top.evlist, "event",
1250 "event selector. use 'perf list' to list available events", 1042 "event selector. use 'perf list' to list available events",
1251 parse_events), 1043 parse_events),
1252 OPT_INTEGER('c', "count", &default_interval, 1044 OPT_INTEGER('c', "count", &default_interval,
1253 "event period to sample"), 1045 "event period to sample"),
1254 OPT_INTEGER('p', "pid", &target_pid, 1046 OPT_INTEGER('p', "pid", &top.target_pid,
1255 "profile events on existing process id"), 1047 "profile events on existing process id"),
1256 OPT_INTEGER('t', "tid", &target_tid, 1048 OPT_INTEGER('t', "tid", &top.target_tid,
1257 "profile events on existing thread id"), 1049 "profile events on existing thread id"),
1258 OPT_BOOLEAN('a', "all-cpus", &system_wide, 1050 OPT_BOOLEAN('a', "all-cpus", &system_wide,
1259 "system-wide collection from all CPUs"), 1051 "system-wide collection from all CPUs"),
1260 OPT_STRING('C', "cpu", &cpu_list, "cpu", 1052 OPT_STRING('C', "cpu", &top.cpu_list, "cpu",
1261 "list of cpus to monitor"), 1053 "list of cpus to monitor"),
1262 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1054 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
1263 "file", "vmlinux pathname"), 1055 "file", "vmlinux pathname"),
1264 OPT_BOOLEAN('K', "hide_kernel_symbols", &hide_kernel_symbols, 1056 OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols,
1265 "hide kernel symbols"), 1057 "hide kernel symbols"),
1266 OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"), 1058 OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"),
1267 OPT_INTEGER('r', "realtime", &realtime_prio, 1059 OPT_INTEGER('r', "realtime", &realtime_prio,
1268 "collect data with this RT SCHED_FIFO priority"), 1060 "collect data with this RT SCHED_FIFO priority"),
1269 OPT_INTEGER('d', "delay", &delay_secs, 1061 OPT_INTEGER('d', "delay", &top.delay_secs,
1270 "number of seconds to delay between refreshes"), 1062 "number of seconds to delay between refreshes"),
1271 OPT_BOOLEAN('D', "dump-symtab", &dump_symtab, 1063 OPT_BOOLEAN('D', "dump-symtab", &dump_symtab,
1272 "dump the symbol table used for profiling"), 1064 "dump the symbol table used for profiling"),
1273 OPT_INTEGER('f', "count-filter", &count_filter, 1065 OPT_INTEGER('f', "count-filter", &top.count_filter,
1274 "only display functions with more events than this"), 1066 "only display functions with more events than this"),
1275 OPT_BOOLEAN('g', "group", &group, 1067 OPT_BOOLEAN('g', "group", &group,
1276 "put the counters into a counter group"), 1068 "put the counters into a counter group"),
@@ -1278,13 +1070,13 @@ static const struct option options[] = {
1278 "child tasks inherit counters"), 1070 "child tasks inherit counters"),
1279 OPT_STRING('s', "sym-annotate", &sym_filter, "symbol name", 1071 OPT_STRING('s', "sym-annotate", &sym_filter, "symbol name",
1280 "symbol to annotate"), 1072 "symbol to annotate"),
1281 OPT_BOOLEAN('z', "zero", &zero, 1073 OPT_BOOLEAN('z', "zero", &top.zero,
1282 "zero history across updates"), 1074 "zero history across updates"),
1283 OPT_INTEGER('F', "freq", &freq, 1075 OPT_INTEGER('F', "freq", &top.freq,
1284 "profile at this frequency"), 1076 "profile at this frequency"),
1285 OPT_INTEGER('E', "entries", &print_entries, 1077 OPT_INTEGER('E', "entries", &top.print_entries,
1286 "display this many functions"), 1078 "display this many functions"),
1287 OPT_BOOLEAN('U', "hide_user_symbols", &hide_user_symbols, 1079 OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols,
1288 "hide user symbols"), 1080 "hide user symbols"),
1289 OPT_INCR('v', "verbose", &verbose, 1081 OPT_INCR('v', "verbose", &verbose,
1290 "be more verbose (show counter open errors, etc)"), 1082 "be more verbose (show counter open errors, etc)"),
@@ -1296,8 +1088,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
1296 struct perf_evsel *pos; 1088 struct perf_evsel *pos;
1297 int status = -ENOMEM; 1089 int status = -ENOMEM;
1298 1090
1299 evsel_list = perf_evlist__new(NULL, NULL); 1091 top.evlist = perf_evlist__new(NULL, NULL);
1300 if (evsel_list == NULL) 1092 if (top.evlist == NULL)
1301 return -ENOMEM; 1093 return -ENOMEM;
1302 1094
1303 page_size = sysconf(_SC_PAGE_SIZE); 1095 page_size = sysconf(_SC_PAGE_SIZE);
@@ -1307,43 +1099,43 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
1307 usage_with_options(top_usage, options); 1099 usage_with_options(top_usage, options);
1308 1100
1309 /* CPU and PID are mutually exclusive */ 1101 /* CPU and PID are mutually exclusive */
1310 if (target_tid > 0 && cpu_list) { 1102 if (top.target_tid > 0 && top.cpu_list) {
1311 printf("WARNING: PID switch overriding CPU\n"); 1103 printf("WARNING: PID switch overriding CPU\n");
1312 sleep(1); 1104 sleep(1);
1313 cpu_list = NULL; 1105 top.cpu_list = NULL;
1314 } 1106 }
1315 1107
1316 if (target_pid != -1) 1108 if (top.target_pid != -1)
1317 target_tid = target_pid; 1109 top.target_tid = top.target_pid;
1318 1110
1319 if (perf_evlist__create_maps(evsel_list, target_pid, 1111 if (perf_evlist__create_maps(top.evlist, top.target_pid,
1320 target_tid, cpu_list) < 0) 1112 top.target_tid, top.cpu_list) < 0)
1321 usage_with_options(top_usage, options); 1113 usage_with_options(top_usage, options);
1322 1114
1323 if (!evsel_list->nr_entries && 1115 if (!top.evlist->nr_entries &&
1324 perf_evlist__add_default(evsel_list) < 0) { 1116 perf_evlist__add_default(top.evlist) < 0) {
1325 pr_err("Not enough memory for event selector list\n"); 1117 pr_err("Not enough memory for event selector list\n");
1326 return -ENOMEM; 1118 return -ENOMEM;
1327 } 1119 }
1328 1120
1329 if (delay_secs < 1) 1121 if (top.delay_secs < 1)
1330 delay_secs = 1; 1122 top.delay_secs = 1;
1331 1123
1332 /* 1124 /*
1333 * User specified count overrides default frequency. 1125 * User specified count overrides default frequency.
1334 */ 1126 */
1335 if (default_interval) 1127 if (default_interval)
1336 freq = 0; 1128 top.freq = 0;
1337 else if (freq) { 1129 else if (top.freq) {
1338 default_interval = freq; 1130 default_interval = top.freq;
1339 } else { 1131 } else {
1340 fprintf(stderr, "frequency and count are zero, aborting\n"); 1132 fprintf(stderr, "frequency and count are zero, aborting\n");
1341 exit(EXIT_FAILURE); 1133 exit(EXIT_FAILURE);
1342 } 1134 }
1343 1135
1344 list_for_each_entry(pos, &evsel_list->entries, node) { 1136 list_for_each_entry(pos, &top.evlist->entries, node) {
1345 if (perf_evsel__alloc_fd(pos, evsel_list->cpus->nr, 1137 if (perf_evsel__alloc_fd(pos, top.evlist->cpus->nr,
1346 evsel_list->threads->nr) < 0) 1138 top.evlist->threads->nr) < 0)
1347 goto out_free_fd; 1139 goto out_free_fd;
1348 /* 1140 /*
1349 * Fill in the ones not specifically initialized via -c: 1141 * Fill in the ones not specifically initialized via -c:
@@ -1354,28 +1146,28 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
1354 pos->attr.sample_period = default_interval; 1146 pos->attr.sample_period = default_interval;
1355 } 1147 }
1356 1148
1357 if (perf_evlist__alloc_pollfd(evsel_list) < 0 || 1149 if (perf_evlist__alloc_pollfd(top.evlist) < 0 ||
1358 perf_evlist__alloc_mmap(evsel_list) < 0) 1150 perf_evlist__alloc_mmap(top.evlist) < 0)
1359 goto out_free_fd; 1151 goto out_free_fd;
1360 1152
1361 sym_evsel = list_entry(evsel_list->entries.next, struct perf_evsel, node); 1153 top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
1362 1154
1363 symbol_conf.priv_size = (sizeof(struct sym_entry) + 1155 symbol_conf.priv_size = (sizeof(struct sym_entry) +
1364 (evsel_list->nr_entries + 1) * sizeof(unsigned long)); 1156 (top.evlist->nr_entries + 1) * sizeof(unsigned long));
1365 1157
1366 symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); 1158 symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
1367 if (symbol__init() < 0) 1159 if (symbol__init() < 0)
1368 return -1; 1160 return -1;
1369 1161
1370 get_term_dimensions(&winsize); 1162 get_term_dimensions(&winsize);
1371 if (print_entries == 0) { 1163 if (top.print_entries == 0) {
1372 update_print_entries(&winsize); 1164 update_print_entries(&winsize);
1373 signal(SIGWINCH, sig_winch_handler); 1165 signal(SIGWINCH, sig_winch_handler);
1374 } 1166 }
1375 1167
1376 status = __cmd_top(); 1168 status = __cmd_top();
1377out_free_fd: 1169out_free_fd:
1378 perf_evlist__delete(evsel_list); 1170 perf_evlist__delete(top.evlist);
1379 1171
1380 return status; 1172 return status;
1381} 1173}
diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c
new file mode 100644
index 000000000000..c06cc5386e7e
--- /dev/null
+++ b/tools/perf/util/top.c
@@ -0,0 +1,212 @@
1/*
2 * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
3 *
4 * Refactored from builtin-top.c, see that files for further copyright notes.
5 *
6 * Released under the GPL v2. (and only v2, not any later version)
7 */
8
9#include "cpumap.h"
10#include "event.h"
11#include "evlist.h"
12#include "evsel.h"
13#include "parse-events.h"
14#include "symbol.h"
15#include "top.h"
16#include <inttypes.h>
17
18/*
19 * Ordering weight: count-1 * count-2 * ... / count-n
20 */
21static double sym_weight(const struct sym_entry *sym, struct perf_top *top)
22{
23 double weight = sym->snap_count;
24 int counter;
25
26 if (!top->display_weighted)
27 return weight;
28
29 for (counter = 1; counter < top->evlist->nr_entries - 1; counter++)
30 weight *= sym->count[counter];
31
32 weight /= (sym->count[counter] + 1);
33
34 return weight;
35}
36
37static void perf_top__remove_active_sym(struct perf_top *top, struct sym_entry *syme)
38{
39 pthread_mutex_lock(&top->active_symbols_lock);
40 list_del_init(&syme->node);
41 pthread_mutex_unlock(&top->active_symbols_lock);
42}
43
44static void rb_insert_active_sym(struct rb_root *tree, struct sym_entry *se)
45{
46 struct rb_node **p = &tree->rb_node;
47 struct rb_node *parent = NULL;
48 struct sym_entry *iter;
49
50 while (*p != NULL) {
51 parent = *p;
52 iter = rb_entry(parent, struct sym_entry, rb_node);
53
54 if (se->weight > iter->weight)
55 p = &(*p)->rb_left;
56 else
57 p = &(*p)->rb_right;
58 }
59
60 rb_link_node(&se->rb_node, parent, p);
61 rb_insert_color(&se->rb_node, tree);
62}
63
64size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
65{
66 struct perf_evsel *counter;
67 float samples_per_sec = top->samples / top->delay_secs;
68 float ksamples_per_sec = top->kernel_samples / top->delay_secs;
69 float esamples_percent = (100.0 * top->exact_samples) / top->samples;
70 size_t ret = 0;
71
72 if (!perf_guest) {
73 ret = snprintf(bf, size,
74 " PerfTop:%8.0f irqs/sec kernel:%4.1f%%"
75 " exact: %4.1f%% [", samples_per_sec,
76 100.0 - (100.0 * ((samples_per_sec - ksamples_per_sec) /
77 samples_per_sec)),
78 esamples_percent);
79 } else {
80 float us_samples_per_sec = top->us_samples / top->delay_secs;
81 float guest_kernel_samples_per_sec = top->guest_kernel_samples / top->delay_secs;
82 float guest_us_samples_per_sec = top->guest_us_samples / top->delay_secs;
83
84 ret = snprintf(bf, size,
85 " PerfTop:%8.0f irqs/sec kernel:%4.1f%% us:%4.1f%%"
86 " guest kernel:%4.1f%% guest us:%4.1f%%"
87 " exact: %4.1f%% [", samples_per_sec,
88 100.0 - (100.0 * ((samples_per_sec - ksamples_per_sec) /
89 samples_per_sec)),
90 100.0 - (100.0 * ((samples_per_sec - us_samples_per_sec) /
91 samples_per_sec)),
92 100.0 - (100.0 * ((samples_per_sec -
93 guest_kernel_samples_per_sec) /
94 samples_per_sec)),
95 100.0 - (100.0 * ((samples_per_sec -
96 guest_us_samples_per_sec) /
97 samples_per_sec)),
98 esamples_percent);
99 }
100
101 if (top->evlist->nr_entries == 1 || !top->display_weighted) {
102 struct perf_evsel *first;
103 first = list_entry(top->evlist->entries.next, struct perf_evsel, node);
104 ret += snprintf(bf + ret, size - ret, "%" PRIu64 "%s ",
105 (uint64_t)first->attr.sample_period,
106 top->freq ? "Hz" : "");
107 }
108
109 if (!top->display_weighted) {
110 ret += snprintf(bf + ret, size - ret, "%s",
111 event_name(top->sym_evsel));
112 } else list_for_each_entry(counter, &top->evlist->entries, node) {
113 ret += snprintf(bf + ret, size - ret, "%s%s",
114 counter->idx ? "/" : "", event_name(counter));
115 }
116
117 ret += snprintf(bf + ret, size - ret, "], ");
118
119 if (top->target_pid != -1)
120 ret += snprintf(bf + ret, size - ret, " (target_pid: %d",
121 top->target_pid);
122 else if (top->target_tid != -1)
123 ret += snprintf(bf + ret, size - ret, " (target_tid: %d",
124 top->target_tid);
125 else
126 ret += snprintf(bf + ret, size - ret, " (all");
127
128 if (top->cpu_list)
129 ret += snprintf(bf + ret, size - ret, ", CPU%s: %s)",
130 top->evlist->cpus->nr > 1 ? "s" : "", top->cpu_list);
131 else {
132 if (top->target_tid != -1)
133 ret += snprintf(bf + ret, size - ret, ")");
134 else
135 ret += snprintf(bf + ret, size - ret, ", %d CPU%s)",
136 top->evlist->cpus->nr,
137 top->evlist->cpus->nr > 1 ? "s" : "");
138 }
139
140 return ret;
141}
142
143void perf_top__reset_sample_counters(struct perf_top *top)
144{
145 top->samples = top->us_samples = top->kernel_samples =
146 top->exact_samples = top->guest_kernel_samples =
147 top->guest_us_samples = 0;
148}
149
150float perf_top__decay_samples(struct perf_top *top, struct rb_root *root)
151{
152 struct sym_entry *syme, *n;
153 float sum_ksamples = 0.0;
154 int snap = !top->display_weighted ? top->sym_counter : 0, j;
155
156 /* Sort the active symbols */
157 pthread_mutex_lock(&top->active_symbols_lock);
158 syme = list_entry(top->active_symbols.next, struct sym_entry, node);
159 pthread_mutex_unlock(&top->active_symbols_lock);
160
161 list_for_each_entry_safe_from(syme, n, &top->active_symbols, node) {
162 syme->snap_count = syme->count[snap];
163 if (syme->snap_count != 0) {
164
165 if ((top->hide_user_symbols &&
166 syme->origin == PERF_RECORD_MISC_USER) ||
167 (top->hide_kernel_symbols &&
168 syme->origin == PERF_RECORD_MISC_KERNEL)) {
169 perf_top__remove_active_sym(top, syme);
170 continue;
171 }
172 syme->weight = sym_weight(syme, top);
173 rb_insert_active_sym(root, syme);
174 sum_ksamples += syme->snap_count;
175
176 for (j = 0; j < top->evlist->nr_entries; j++)
177 syme->count[j] = top->zero ? 0 : syme->count[j] * 7 / 8;
178 } else
179 perf_top__remove_active_sym(top, syme);
180 }
181
182 return sum_ksamples;
183}
184
185/*
186 * Find the longest symbol name that will be displayed
187 */
188void perf_top__find_widths(struct perf_top *top, struct rb_root *root,
189 int *dso_width, int *dso_short_width, int *sym_width)
190{
191 struct rb_node *nd;
192 int printed = 0;
193
194 *sym_width = *dso_width = *dso_short_width = 0;
195
196 for (nd = rb_first(root); nd; nd = rb_next(nd)) {
197 struct sym_entry *syme = rb_entry(nd, struct sym_entry, rb_node);
198
199 if (++printed > top->print_entries ||
200 (int)syme->snap_count < top->count_filter)
201 continue;
202
203 if (syme->map->dso->long_name_len > *dso_width)
204 *dso_width = syme->map->dso->long_name_len;
205
206 if (syme->map->dso->short_name_len > *dso_short_width)
207 *dso_short_width = syme->map->dso->short_name_len;
208
209 if (syme->name_len > *sym_width)
210 *sym_width = syme->name_len;
211 }
212}
diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h
new file mode 100644
index 000000000000..0467b26dd8d8
--- /dev/null
+++ b/tools/perf/util/top.h
@@ -0,0 +1,67 @@
1#ifndef __PERF_TOP_H
2#define __PERF_TOP_H 1
3
4#include "types.h"
5#include "../perf.h"
6#include <stddef.h>
7#include <pthread.h>
8#include <linux/list.h>
9#include <linux/rbtree.h>
10
11struct perf_evlist;
12struct perf_evsel;
13
14struct source_line {
15 u64 eip;
16 unsigned long count[MAX_COUNTERS]; /* FIXME */
17 char *line;
18 struct source_line *next;
19};
20
21struct sym_entry_source {
22 struct source_line *source;
23 struct source_line *lines;
24 struct source_line **lines_tail;
25 pthread_mutex_t lock;
26};
27
28struct sym_entry {
29 struct rb_node rb_node;
30 struct list_head node;
31 unsigned long snap_count;
32 double weight;
33 int skip;
34 u16 name_len;
35 u8 origin;
36 struct map *map;
37 struct sym_entry_source *src;
38 unsigned long count[0];
39};
40
41struct perf_top {
42 struct perf_evlist *evlist;
43 /*
44 * Symbols will be added here in perf_event__process_sample and will
45 * get out after decayed.
46 */
47 struct list_head active_symbols;
48 pthread_mutex_t active_symbols_lock;
49 u64 samples;
50 u64 kernel_samples, us_samples;
51 u64 exact_samples;
52 u64 guest_us_samples, guest_kernel_samples;
53 int print_entries, count_filter, delay_secs;
54 int display_weighted, freq;
55 int sym_counter, target_pid, target_tid;
56 bool hide_kernel_symbols, hide_user_symbols, zero;
57 const char *cpu_list;
58 struct perf_evsel *sym_evsel;
59};
60
61size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size);
62void perf_top__reset_sample_counters(struct perf_top *top);
63float perf_top__decay_samples(struct perf_top *top, struct rb_root *root);
64void perf_top__find_widths(struct perf_top *top, struct rb_root *root,
65 int *dso_width, int *dso_short_width, int *sym_width);
66
67#endif /* __PERF_TOP_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-12 00:26:53 -0400