4 files changed, 116 insertions, 108 deletions

diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 0096d45a06b3..81fc29ac798f 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -24,6 +24,21 @@
 #include "machine.h"
 #include "callchain.h"
 
+#define CALLCHAIN_PARAM_DEFAULT                 \
+        .mode           = CHAIN_GRAPH_ABS,      \
+        .min_percent    = 0.5,                  \
+        .order          = ORDER_CALLEE,         \
+        .key            = CCKEY_FUNCTION,       \
+        .value          = CCVAL_PERCENT,        \
+
+struct callchain_param callchain_param = {
+        CALLCHAIN_PARAM_DEFAULT
+};
+
+struct callchain_param callchain_param_default = {
+        CALLCHAIN_PARAM_DEFAULT
+};
+
 __thread struct callchain_cursor callchain_cursor;
 
 int parse_callchain_record_opt(const char *arg, struct callchain_param *param)
@@ -113,6 +128,32 @@ static int parse_callchain_value(const char *value)
         return -1;
 }
 
+static int get_stack_size(const char *str, unsigned long *_size)
+{
+        char *endptr;
+        unsigned long size;
+        unsigned long max_size = round_down(USHRT_MAX, sizeof(u64));
+
+        size = strtoul(str, &endptr, 0);
+
+        do {
+                if (*endptr)
+                        break;
+
+                size = round_up(size, sizeof(u64));
+                if (!size || size > max_size)
+                        break;
+
+                *_size = size;
+                return 0;
+
+        } while (0);
+
+        pr_err("callchain: Incorrect stack dump size (max %ld): %s\n",
+               max_size, str);
+        return -1;
+}
+
 static int
 __parse_callchain_report_opt(const char *arg, bool allow_record_opt)
 {
@@ -196,6 +237,68 @@ int parse_callchain_top_opt(const char *arg)
         return __parse_callchain_report_opt(arg, true);
 }
 
+int parse_callchain_record(const char *arg, struct callchain_param *param)
+{
+        char *tok, *name, *saveptr = NULL;
+        char *buf;
+        int ret = -1;
+
+        /* We need buffer that we know we can write to. */
+        buf = malloc(strlen(arg) + 1);
+        if (!buf)
+                return -ENOMEM;
+
+        strcpy(buf, arg);
+
+        tok = strtok_r((char *)buf, ",", &saveptr);
+        name = tok ? : (char *)buf;
+
+        do {
+                /* Framepointer style */
+                if (!strncmp(name, "fp", sizeof("fp"))) {
+                        if (!strtok_r(NULL, ",", &saveptr)) {
+                                param->record_mode = CALLCHAIN_FP;
+                                ret = 0;
+                        } else
+                                pr_err("callchain: No more arguments "
+                                       "needed for --call-graph fp\n");
+                        break;
+
+                /* Dwarf style */
+                } else if (!strncmp(name, "dwarf", sizeof("dwarf"))) {
+                        const unsigned long default_stack_dump_size = 8192;
+
+                        ret = 0;
+                        param->record_mode = CALLCHAIN_DWARF;
+                        param->dump_size = default_stack_dump_size;
+
+                        tok = strtok_r(NULL, ",", &saveptr);
+                        if (tok) {
+                                unsigned long size = 0;
+
+                                ret = get_stack_size(tok, &size);
+                                param->dump_size = size;
+                        }
+                } else if (!strncmp(name, "lbr", sizeof("lbr"))) {
+                        if (!strtok_r(NULL, ",", &saveptr)) {
+                                param->record_mode = CALLCHAIN_LBR;
+                                ret = 0;
+                        } else
+                                pr_err("callchain: No more arguments "
+                                        "needed for --call-graph lbr\n");
+                        break;
+                } else {
+                        pr_err("callchain: Unknown --call-graph option "
+                               "value: %s\n", arg);
+                        break;
+                }
+
+        } while (0);
+
+        free(buf);
+        return ret;
+}
+
 int perf_callchain_config(const char *var, const char *value)
 {
         char *endptr;
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 0533711af44d..c129e99114ae 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -4,6 +4,7 @@
 #include <poll.h>
 #include <linux/err.h>
 #include "evlist.h"
+#include "callchain.h"
 #include "evsel.h"
 #include "event.h"
 #include "cpumap.h"
@@ -11,6 +12,18 @@
 #include "thread_map.h"
 
 /*
+ * Provide these two so that we don't have to link against callchain.c and
+ * start dragging hist.c, etc.
+ */
+struct callchain_param callchain_param;
+
+int parse_callchain_record(const char *arg __maybe_unused,
+                           struct callchain_param *param __maybe_unused)
+{
+        return 0;
+}
+
+/*
  * Support debug printing even though util/debug.c is not linked.  That means
  * implementing 'verbose' and 'eprintf'.
  */
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index ae8036f06329..131d21a659fb 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -17,24 +17,8 @@
 #include <linux/log2.h>
 #include <linux/time64.h>
 #include <unistd.h>
-#include "callchain.h"
 #include "strlist.h"
 
-#define CALLCHAIN_PARAM_DEFAULT                 \
-        .mode           = CHAIN_GRAPH_ABS,      \
-        .min_percent    = 0.5,                  \
-        .order          = ORDER_CALLEE,         \
-        .key            = CCKEY_FUNCTION,       \
-        .value          = CCVAL_PERCENT,        \
-
-struct callchain_param callchain_param = {
-        CALLCHAIN_PARAM_DEFAULT
-};
-
-struct callchain_param callchain_param_default = {
-        CALLCHAIN_PARAM_DEFAULT
-};
-
 /*
  * XXX We need to find a better place for these things...
  */
@@ -377,94 +361,6 @@ unsigned long parse_tag_value(const char *str, struct parse_tag *tags)
         return (unsigned long) -1;
 }
 
-int get_stack_size(const char *str, unsigned long *_size)
-{
-        char *endptr;
-        unsigned long size;
-        unsigned long max_size = round_down(USHRT_MAX, sizeof(u64));
-
-        size = strtoul(str, &endptr, 0);
-
-        do {
-                if (*endptr)
-                        break;
-
-                size = round_up(size, sizeof(u64));
-                if (!size || size > max_size)
-                        break;
-
-                *_size = size;
-                return 0;
-
-        } while (0);
-
-        pr_err("callchain: Incorrect stack dump size (max %ld): %s\n",
-               max_size, str);
-        return -1;
-}
-
-int parse_callchain_record(const char *arg, struct callchain_param *param)
-{
-        char *tok, *name, *saveptr = NULL;
-        char *buf;
-        int ret = -1;
-
-        /* We need buffer that we know we can write to. */
-        buf = malloc(strlen(arg) + 1);
-        if (!buf)
-                return -ENOMEM;
-
-        strcpy(buf, arg);
-
-        tok = strtok_r((char *)buf, ",", &saveptr);
-        name = tok ? : (char *)buf;
-
-        do {
-                /* Framepointer style */
-                if (!strncmp(name, "fp", sizeof("fp"))) {
-                        if (!strtok_r(NULL, ",", &saveptr)) {
-                                param->record_mode = CALLCHAIN_FP;
-                                ret = 0;
-                        } else
-                                pr_err("callchain: No more arguments "
-                                       "needed for --call-graph fp\n");
-                        break;
-
-                /* Dwarf style */
-                } else if (!strncmp(name, "dwarf", sizeof("dwarf"))) {
-                        const unsigned long default_stack_dump_size = 8192;
-
-                        ret = 0;
-                        param->record_mode = CALLCHAIN_DWARF;
-                        param->dump_size = default_stack_dump_size;
-
-                        tok = strtok_r(NULL, ",", &saveptr);
-                        if (tok) {
-                                unsigned long size = 0;
-
-                                ret = get_stack_size(tok, &size);
-                                param->dump_size = size;
-                        }
-                } else if (!strncmp(name, "lbr", sizeof("lbr"))) {
-                        if (!strtok_r(NULL, ",", &saveptr)) {
-                                param->record_mode = CALLCHAIN_LBR;
-                                ret = 0;
-                        } else
-                                pr_err("callchain: No more arguments "
-                                        "needed for --call-graph lbr\n");
-                        break;
-                } else {
-                        pr_err("callchain: Unknown --call-graph option "
-                               "value: %s\n", arg);
-                        break;
-                }
-
-        } while (0);
-
-        free(buf);
-        return ret;
-}
-
 int perf_event_paranoid(void)
 {
         int value;
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 5dea8a96cf84..fcad17ce5c19 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -17,7 +17,6 @@
 #include <stdlib.h>
 #include <stdarg.h>
 #include <string.h>
-#include <limits.h>
 #include <sys/param.h>
 #include <sys/types.h>
 #include <assert.h>
@@ -25,7 +24,6 @@
 #include <poll.h>
 #include <sys/socket.h>
 #include <sys/ioctl.h>
-#include <linux/kernel.h>
 #include <linux/types.h>
 
 extern char buildid_dir[];
@@ -99,8 +97,6 @@ void mem_bswap_32(void *src, int byte_size);
 
 bool find_process(const char *name);
 
-int get_stack_size(const char *str, unsigned long *_size);
-
 int fetch_kernel_version(unsigned int *puint,
                          char *str, size_t str_sz);
 #define KVER_VERSION(x)         (((x) >> 16) & 0xff)