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-rw-r--r--tools/perf/.gitignore1
-rw-r--r--tools/perf/Documentation/perf-timechart.txt3
-rw-r--r--tools/perf/Makefile2
-rw-r--r--tools/perf/builtin-stat.c18
-rw-r--r--tools/perf/builtin-timechart.c10
-rw-r--r--tools/perf/builtin-top.c1
-rw-r--r--tools/perf/util/module.c96
-rw-r--r--tools/perf/util/parse-events.c49
-rw-r--r--tools/perf/util/svghelper.c14
-rw-r--r--tools/perf/util/symbol.c17
10 files changed, 139 insertions, 72 deletions
diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore
index d69a759a104..0854f110bf7 100644
--- a/tools/perf/.gitignore
+++ b/tools/perf/.gitignore
@@ -10,6 +10,7 @@ perf-stat
perf-top
perf*.1
perf*.xml
+perf*.html
common-cmds.h
tags
TAGS
diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt
index 1c2ed3090cc..a7910099d6f 100644
--- a/tools/perf/Documentation/perf-timechart.txt
+++ b/tools/perf/Documentation/perf-timechart.txt
@@ -31,6 +31,9 @@ OPTIONS
-w::
--width=::
Select the width of the SVG file (default: 1000)
+-p::
+--power-only::
+ Only output the CPU power section of the diagram
SEE ALSO
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index b5f1953b614..5881943f0c3 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -728,7 +728,7 @@ $(BUILT_INS): perf$X
common-cmds.h: util/generate-cmdlist.sh command-list.txt
common-cmds.h: $(wildcard Documentation/perf-*.txt)
- $(QUIET_GEN)util/generate-cmdlist.sh > $@+ && mv $@+ $@
+ $(QUIET_GEN). util/generate-cmdlist.sh > $@+ && mv $@+ $@
$(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
$(QUIET_GEN)$(RM) $@ $@+ && \
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 16af2d82e85..e5f6ece65a1 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -338,14 +338,24 @@ static void nsec_printout(int counter, double avg)
static void abs_printout(int counter, double avg)
{
+ double total, ratio = 0.0;
+
fprintf(stderr, " %14.0f %-24s", avg, event_name(counter));
if (MATCH_EVENT(HARDWARE, HW_INSTRUCTIONS, counter)) {
- fprintf(stderr, " # %10.3f IPC ",
- avg / avg_stats(&runtime_cycles_stats));
+ total = avg_stats(&runtime_cycles_stats);
+
+ if (total)
+ ratio = avg / total;
+
+ fprintf(stderr, " # %10.3f IPC ", ratio);
} else {
- fprintf(stderr, " # %10.3f M/sec",
- 1000.0 * avg / avg_stats(&runtime_nsecs_stats));
+ total = avg_stats(&runtime_nsecs_stats);
+
+ if (total)
+ ratio = 1000.0 * avg / total;
+
+ fprintf(stderr, " # %10.3f M/sec", ratio);
}
}
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 4405681b313..702d8fe58fb 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -46,6 +46,8 @@ static u64 turbo_frequency;
static u64 first_time, last_time;
+static int power_only;
+
static struct perf_header *header;
@@ -547,7 +549,7 @@ static void end_sample_processing(void)
u64 cpu;
struct power_event *pwr;
- for (cpu = 0; cpu < numcpus; cpu++) {
+ for (cpu = 0; cpu <= numcpus; cpu++) {
pwr = malloc(sizeof(struct power_event));
if (!pwr)
return;
@@ -871,7 +873,7 @@ static int determine_display_tasks(u64 threshold)
/* no exit marker, task kept running to the end */
if (p->end_time == 0)
p->end_time = last_time;
- if (p->total_time >= threshold)
+ if (p->total_time >= threshold && !power_only)
p->display = 1;
c = p->all;
@@ -882,7 +884,7 @@ static int determine_display_tasks(u64 threshold)
if (c->start_time == 1)
c->start_time = first_time;
- if (c->total_time >= threshold) {
+ if (c->total_time >= threshold && !power_only) {
c->display = 1;
count++;
}
@@ -1134,6 +1136,8 @@ static const struct option options[] = {
"output file name"),
OPT_INTEGER('w', "width", &svg_page_width,
"page width"),
+ OPT_BOOLEAN('p', "power-only", &power_only,
+ "output power data only"),
OPT_END()
};
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 1ca88896eee..37512e93623 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -782,6 +782,7 @@ static const char *skip_symbols[] = {
"exit_idle",
"mwait_idle",
"mwait_idle_with_hints",
+ "poll_idle",
"ppc64_runlatch_off",
"pseries_dedicated_idle_sleep",
NULL
diff --git a/tools/perf/util/module.c b/tools/perf/util/module.c
index 3d567fe59c7..0d8c85defcd 100644
--- a/tools/perf/util/module.c
+++ b/tools/perf/util/module.c
@@ -4,6 +4,7 @@
#include "module.h"
#include <libelf.h>
+#include <libgen.h>
#include <gelf.h>
#include <elf.h>
#include <dirent.h>
@@ -409,35 +410,40 @@ out_failure:
static int mod_dso__load_module_paths(struct mod_dso *self)
{
struct utsname uts;
- int count = 0, len;
+ int count = 0, len, err = -1;
char *line = NULL;
FILE *file;
- char *path;
+ char *dpath, *dir;
size_t n;
if (uname(&uts) < 0)
- goto out_failure;
+ return err;
len = strlen("/lib/modules/");
len += strlen(uts.release);
len += strlen("/modules.dep");
- path = calloc(1, len);
- if (path == NULL)
- goto out_failure;
+ dpath = calloc(1, len + 1);
+ if (dpath == NULL)
+ return err;
- strcat(path, "/lib/modules/");
- strcat(path, uts.release);
- strcat(path, "/modules.dep");
+ strcat(dpath, "/lib/modules/");
+ strcat(dpath, uts.release);
+ strcat(dpath, "/modules.dep");
- file = fopen(path, "r");
- free(path);
+ file = fopen(dpath, "r");
if (file == NULL)
goto out_failure;
+ dir = dirname(dpath);
+ if (!dir)
+ goto out_failure;
+ strcat(dir, "/");
+
while (!feof(file)) {
- char *name, *tmp;
struct module *module;
+ char *name, *path, *tmp;
+ FILE *modfile;
int line_len;
line_len = getline(&line, &n, file);
@@ -445,17 +451,41 @@ static int mod_dso__load_module_paths(struct mod_dso *self)
break;
if (!line)
- goto out_failure;
+ break;
line[--line_len] = '\0'; /* \n */
- path = strtok(line, ":");
+ path = strchr(line, ':');
+ if (!path)
+ break;
+ *path = '\0';
+
+ path = strdup(line);
if (!path)
- goto out_failure;
+ break;
+
+ if (!strstr(path, dir)) {
+ if (strncmp(path, "kernel/", 7))
+ break;
+
+ free(path);
+ path = calloc(1, strlen(dir) + strlen(line) + 1);
+ if (!path)
+ break;
+ strcat(path, dir);
+ strcat(path, line);
+ }
+
+ modfile = fopen(path, "r");
+ if (modfile == NULL)
+ break;
+ fclose(modfile);
name = strdup(path);
- name = strtok(name, "/");
+ if (!name)
+ break;
+ name = strtok(name, "/");
tmp = name;
while (tmp) {
@@ -463,26 +493,25 @@ static int mod_dso__load_module_paths(struct mod_dso *self)
if (tmp)
name = tmp;
}
+
name = strsep(&name, ".");
+ if (!name)
+ break;
- /* Quirk: replace '-' with '_' in sound modules */
+ /* Quirk: replace '-' with '_' in all modules */
for (len = strlen(name); len; len--) {
if (*(name+len) == '-')
*(name+len) = '_';
}
module = module__new(name, path);
- if (!module) {
- fprintf(stderr, "load_module_paths: allocation error\n");
- goto out_failure;
- }
+ if (!module)
+ break;
mod_dso__insert_module(self, module);
module->sections = sec_dso__new_dso("sections");
- if (!module->sections) {
- fprintf(stderr, "load_module_paths: allocation error\n");
- goto out_failure;
- }
+ if (!module->sections)
+ break;
module->active = mod_dso__load_sections(module);
@@ -490,13 +519,20 @@ static int mod_dso__load_module_paths(struct mod_dso *self)
count++;
}
- free(line);
- fclose(file);
-
- return count;
+ if (feof(file))
+ err = count;
+ else
+ fprintf(stderr, "load_module_paths: modules.dep parsing failure!\n");
out_failure:
- return -1;
+ if (dpath)
+ free(dpath);
+ if (file)
+ fclose(file);
+ if (line)
+ free(line);
+
+ return err;
}
int mod_dso__load_modules(struct mod_dso *dso)
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 13ab4b842d4..87c424de79e 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -165,33 +165,31 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
DIR *sys_dir, *evt_dir;
struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
char id_buf[4];
- int sys_dir_fd, fd;
+ int fd;
u64 id;
char evt_path[MAXPATHLEN];
+ char dir_path[MAXPATHLEN];
if (valid_debugfs_mount(debugfs_path))
return NULL;
sys_dir = opendir(debugfs_path);
if (!sys_dir)
- goto cleanup;
- sys_dir_fd = dirfd(sys_dir);
+ return NULL;
for_each_subsystem(sys_dir, sys_dirent, sys_next) {
- int dfd = openat(sys_dir_fd, sys_dirent.d_name,
- O_RDONLY|O_DIRECTORY), evt_dir_fd;
- if (dfd == -1)
- continue;
- evt_dir = fdopendir(dfd);
- if (!evt_dir) {
- close(dfd);
+
+ snprintf(dir_path, MAXPATHLEN, "%s/%s", debugfs_path,
+ sys_dirent.d_name);
+ evt_dir = opendir(dir_path);
+ if (!evt_dir)
continue;
- }
- evt_dir_fd = dirfd(evt_dir);
+
for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
- snprintf(evt_path, MAXPATHLEN, "%s/id",
+
+ snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path,
evt_dirent.d_name);
- fd = openat(evt_dir_fd, evt_path, O_RDONLY);
+ fd = open(evt_path, O_RDONLY);
if (fd < 0)
continue;
if (read(fd, id_buf, sizeof(id_buf)) < 0) {
@@ -225,7 +223,6 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
closedir(evt_dir);
}
-cleanup:
closedir(sys_dir);
return NULL;
}
@@ -761,28 +758,24 @@ static void print_tracepoint_events(void)
{
DIR *sys_dir, *evt_dir;
struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
- int sys_dir_fd;
char evt_path[MAXPATHLEN];
+ char dir_path[MAXPATHLEN];
if (valid_debugfs_mount(debugfs_path))
return;
sys_dir = opendir(debugfs_path);
if (!sys_dir)
- goto cleanup;
- sys_dir_fd = dirfd(sys_dir);
+ return;
for_each_subsystem(sys_dir, sys_dirent, sys_next) {
- int dfd = openat(sys_dir_fd, sys_dirent.d_name,
- O_RDONLY|O_DIRECTORY), evt_dir_fd;
- if (dfd == -1)
- continue;
- evt_dir = fdopendir(dfd);
- if (!evt_dir) {
- close(dfd);
+
+ snprintf(dir_path, MAXPATHLEN, "%s/%s", debugfs_path,
+ sys_dirent.d_name);
+ evt_dir = opendir(dir_path);
+ if (!evt_dir)
continue;
- }
- evt_dir_fd = dirfd(evt_dir);
+
for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
snprintf(evt_path, MAXPATHLEN, "%s:%s",
sys_dirent.d_name, evt_dirent.d_name);
@@ -791,8 +784,6 @@ static void print_tracepoint_events(void)
}
closedir(evt_dir);
}
-
-cleanup:
closedir(sys_dir);
}
diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index a778fd0f4ae..856655d8b0b 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -28,7 +28,7 @@ static u64 turbo_frequency, max_freq;
int svg_page_width = 1000;
-#define MIN_TEXT_SIZE 0.001
+#define MIN_TEXT_SIZE 0.01
static u64 total_height;
static FILE *svgfile;
@@ -217,6 +217,18 @@ static char *cpu_model(void)
}
fclose(file);
}
+
+ /* CPU type */
+ file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r");
+ if (file) {
+ while (fgets(buf, 255, file)) {
+ unsigned int freq;
+ freq = strtoull(buf, NULL, 10);
+ if (freq > max_freq)
+ max_freq = freq;
+ }
+ fclose(file);
+ }
return cpu_m;
}
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index fd3d9c8e90f..559fb06210f 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -833,7 +833,7 @@ int dso__load_modules(struct dso *self, symbol_filter_t filter, int v)
struct mod_dso *mods = mod_dso__new_dso("modules");
struct module *pos;
struct rb_node *next;
- int err;
+ int err, count = 0;
err = mod_dso__load_modules(mods);
@@ -852,14 +852,16 @@ int dso__load_modules(struct dso *self, symbol_filter_t filter, int v)
break;
next = rb_next(&pos->rb_node);
+ count += err;
}
if (err < 0) {
mod_dso__delete_modules(mods);
mod_dso__delete_self(mods);
+ return err;
}
- return err;
+ return count;
}
static inline void dso__fill_symbol_holes(struct dso *self)
@@ -913,8 +915,15 @@ int dso__load_kernel(struct dso *self, const char *vmlinux,
if (vmlinux) {
err = dso__load_vmlinux(self, vmlinux, filter, v);
- if (err > 0 && use_modules)
- err = dso__load_modules(self, filter, v);
+ if (err > 0 && use_modules) {
+ int syms = dso__load_modules(self, filter, v);
+
+ if (syms < 0) {
+ fprintf(stderr, "dso__load_modules failed!\n");
+ return syms;
+ }
+ err += syms;
+ }
}
if (err <= 0)
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-08-08 11:44:25 +0000