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-rw-r--r--tools/perf/builtin-sched.c133
1 files changed, 76 insertions, 57 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 56d1907b1215..82fcc2c15fe4 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1,10 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
#include "builtin.h"
#include "perf.h"
+#include "perf-sys.h"
+#include "util/cpumap.h"
#include "util/evlist.h"
-#include "util/cache.h"
#include "util/evsel.h"
+#include "util/evsel_fprintf.h"
#include "util/symbol.h"
#include "util/thread.h"
#include "util/header.h"
@@ -18,10 +20,12 @@
#include "util/callchain.h"
#include "util/time-utils.h"
+#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
#include "util/trace-event.h"
#include "util/debug.h"
+#include "util/event.h"
#include <linux/kernel.h>
#include <linux/log2.h>
@@ -35,7 +39,9 @@
#include <pthread.h>
#include <math.h>
#include <api/fs/fs.h>
+#include <perf/cpumap.h>
#include <linux/time64.h>
+#include <linux/err.h>
#include <linux/ctype.h>
@@ -45,6 +51,9 @@
#define SYM_LEN 129
#define MAX_PID 1024000
+static const char *cpu_list;
+static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
+
struct sched_atom;
struct task_desc {
@@ -133,13 +142,13 @@ typedef int (*sort_fn_t)(struct work_atoms *, struct work_atoms *);
struct perf_sched;
struct trace_sched_handler {
- int (*switch_event)(struct perf_sched *sched, struct perf_evsel *evsel,
+ int (*switch_event)(struct perf_sched *sched, struct evsel *evsel,
struct perf_sample *sample, struct machine *machine);
- int (*runtime_event)(struct perf_sched *sched, struct perf_evsel *evsel,
+ int (*runtime_event)(struct perf_sched *sched, struct evsel *evsel,
struct perf_sample *sample, struct machine *machine);
- int (*wakeup_event)(struct perf_sched *sched, struct perf_evsel *evsel,
+ int (*wakeup_event)(struct perf_sched *sched, struct evsel *evsel,
struct perf_sample *sample, struct machine *machine);
/* PERF_RECORD_FORK event, not sched_process_fork tracepoint */
@@ -147,7 +156,7 @@ struct trace_sched_handler {
struct machine *machine);
int (*migrate_task_event)(struct perf_sched *sched,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine);
};
@@ -159,11 +168,11 @@ struct perf_sched_map {
DECLARE_BITMAP(comp_cpus_mask, MAX_CPUS);
int *comp_cpus;
bool comp;
- struct thread_map *color_pids;
+ struct perf_thread_map *color_pids;
const char *color_pids_str;
- struct cpu_map *color_cpus;
+ struct perf_cpu_map *color_cpus;
const char *color_cpus_str;
- struct cpu_map *cpus;
+ struct perf_cpu_map *cpus;
const char *cpus_str;
};
@@ -799,7 +808,7 @@ static void test_calibrations(struct perf_sched *sched)
static int
replay_wakeup_event(struct perf_sched *sched,
- struct perf_evsel *evsel, struct perf_sample *sample,
+ struct evsel *evsel, struct perf_sample *sample,
struct machine *machine __maybe_unused)
{
const char *comm = perf_evsel__strval(evsel, sample, "comm");
@@ -820,7 +829,7 @@ replay_wakeup_event(struct perf_sched *sched,
}
static int replay_switch_event(struct perf_sched *sched,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine __maybe_unused)
{
@@ -1093,7 +1102,7 @@ add_sched_in_event(struct work_atoms *atoms, u64 timestamp)
}
static int latency_switch_event(struct perf_sched *sched,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine)
{
@@ -1163,7 +1172,7 @@ out_put:
}
static int latency_runtime_event(struct perf_sched *sched,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine)
{
@@ -1198,7 +1207,7 @@ out_put:
}
static int latency_wakeup_event(struct perf_sched *sched,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine)
{
@@ -1259,7 +1268,7 @@ out_put:
}
static int latency_migrate_task_event(struct perf_sched *sched,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine)
{
@@ -1470,7 +1479,7 @@ again:
}
static int process_sched_wakeup_event(struct perf_tool *tool,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine)
{
@@ -1514,7 +1523,7 @@ map__findnew_thread(struct perf_sched *sched, struct machine *machine, pid_t pid
return thread;
}
-static int map_switch_event(struct perf_sched *sched, struct perf_evsel *evsel,
+static int map_switch_event(struct perf_sched *sched, struct evsel *evsel,
struct perf_sample *sample, struct machine *machine)
{
const u32 next_pid = perf_evsel__intval(evsel, sample, "next_pid");
@@ -1655,7 +1664,7 @@ out:
}
static int process_sched_switch_event(struct perf_tool *tool,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine)
{
@@ -1681,7 +1690,7 @@ static int process_sched_switch_event(struct perf_tool *tool,
}
static int process_sched_runtime_event(struct perf_tool *tool,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine)
{
@@ -1711,7 +1720,7 @@ static int perf_sched__process_fork_event(struct perf_tool *tool,
}
static int process_sched_migrate_task_event(struct perf_tool *tool,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine)
{
@@ -1724,14 +1733,14 @@ static int process_sched_migrate_task_event(struct perf_tool *tool,
}
typedef int (*tracepoint_handler)(struct perf_tool *tool,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine);
static int perf_sched__process_tracepoint_sample(struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
int err = 0;
@@ -1777,7 +1786,7 @@ static int perf_sched__process_comm(struct perf_tool *tool __maybe_unused,
static int perf_sched__read_events(struct perf_sched *sched)
{
- const struct perf_evsel_str_handler handlers[] = {
+ const struct evsel_str_handler handlers[] = {
{ "sched:sched_switch", process_sched_switch_event, },
{ "sched:sched_stat_runtime", process_sched_runtime_event, },
{ "sched:sched_wakeup", process_sched_wakeup_event, },
@@ -1793,9 +1802,9 @@ static int perf_sched__read_events(struct perf_sched *sched)
int rc = -1;
session = perf_session__new(&data, false, &sched->tool);
- if (session == NULL) {
- pr_debug("No Memory for session\n");
- return -1;
+ if (IS_ERR(session)) {
+ pr_debug("Error creating perf session");
+ return PTR_ERR(session);
}
symbol__init(&session->header.env);
@@ -1839,7 +1848,7 @@ static inline void print_sched_time(unsigned long long nsecs, int width)
* returns runtime data for event, allocating memory for it the
* first time it is used.
*/
-static struct evsel_runtime *perf_evsel__get_runtime(struct perf_evsel *evsel)
+static struct evsel_runtime *perf_evsel__get_runtime(struct evsel *evsel)
{
struct evsel_runtime *r = evsel->priv;
@@ -1854,7 +1863,7 @@ static struct evsel_runtime *perf_evsel__get_runtime(struct perf_evsel *evsel)
/*
* save last time event was seen per cpu
*/
-static void perf_evsel__save_time(struct perf_evsel *evsel,
+static void perf_evsel__save_time(struct evsel *evsel,
u64 timestamp, u32 cpu)
{
struct evsel_runtime *r = perf_evsel__get_runtime(evsel);
@@ -1881,7 +1890,7 @@ static void perf_evsel__save_time(struct perf_evsel *evsel,
}
/* returns last time this event was seen on the given cpu */
-static u64 perf_evsel__get_time(struct perf_evsel *evsel, u32 cpu)
+static u64 perf_evsel__get_time(struct evsel *evsel, u32 cpu)
{
struct evsel_runtime *r = perf_evsel__get_runtime(evsel);
@@ -1988,7 +1997,7 @@ static char task_state_char(struct thread *thread, int state)
}
static void timehist_print_sample(struct perf_sched *sched,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct addr_location *al,
struct thread *thread,
@@ -2002,6 +2011,9 @@ static void timehist_print_sample(struct perf_sched *sched,
char nstr[30];
u64 wait_time;
+ if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+ return;
+
timestamp__scnprintf_usec(t, tstr, sizeof(tstr));
printf("%15s [%04d] ", tstr, sample->cpu);
@@ -2050,7 +2062,7 @@ static void timehist_print_sample(struct perf_sched *sched,
EVSEL__PRINT_SYM | EVSEL__PRINT_ONELINE |
EVSEL__PRINT_CALLCHAIN_ARROW |
EVSEL__PRINT_SKIP_IGNORED,
- &callchain_cursor, stdout);
+ &callchain_cursor, symbol_conf.bt_stop_list, stdout);
out:
printf("\n");
@@ -2121,7 +2133,7 @@ static void timehist_update_runtime_stats(struct thread_runtime *r,
}
static bool is_idle_sample(struct perf_sample *sample,
- struct perf_evsel *evsel)
+ struct evsel *evsel)
{
/* pid 0 == swapper == idle task */
if (strcmp(perf_evsel__name(evsel), "sched:sched_switch") == 0)
@@ -2132,7 +2144,7 @@ static bool is_idle_sample(struct perf_sample *sample,
static void save_task_callchain(struct perf_sched *sched,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
struct callchain_cursor *cursor = &callchain_cursor;
@@ -2166,7 +2178,7 @@ static void save_task_callchain(struct perf_sched *sched,
if (node == NULL)
break;
- sym = node->sym;
+ sym = node->ms.sym;
if (sym) {
if (!strcmp(sym->name, "schedule") ||
!strcmp(sym->name, "__schedule") ||
@@ -2286,7 +2298,7 @@ static void save_idle_callchain(struct perf_sched *sched,
static struct thread *timehist_get_thread(struct perf_sched *sched,
struct perf_sample *sample,
struct machine *machine,
- struct perf_evsel *evsel)
+ struct evsel *evsel)
{
struct thread *thread;
@@ -2332,7 +2344,7 @@ static struct thread *timehist_get_thread(struct perf_sched *sched,
static bool timehist_skip_sample(struct perf_sched *sched,
struct thread *thread,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample)
{
bool rc = false;
@@ -2354,7 +2366,7 @@ static bool timehist_skip_sample(struct perf_sched *sched,
}
static void timehist_print_wakeup_event(struct perf_sched *sched,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine,
struct thread *awakened)
@@ -2389,7 +2401,7 @@ static void timehist_print_wakeup_event(struct perf_sched *sched,
static int timehist_sched_wakeup_event(struct perf_tool *tool,
union perf_event *event __maybe_unused,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine)
{
@@ -2419,7 +2431,7 @@ static int timehist_sched_wakeup_event(struct perf_tool *tool,
}
static void timehist_print_migration_event(struct perf_sched *sched,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine,
struct thread *migrated)
@@ -2473,7 +2485,7 @@ static void timehist_print_migration_event(struct perf_sched *sched,
static int timehist_migrate_task_event(struct perf_tool *tool,
union perf_event *event __maybe_unused,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine)
{
@@ -2501,7 +2513,7 @@ static int timehist_migrate_task_event(struct perf_tool *tool,
static int timehist_sched_change_event(struct perf_tool *tool,
union perf_event *event,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine)
{
@@ -2627,7 +2639,7 @@ out:
static int timehist_sched_switch_event(struct perf_tool *tool,
union perf_event *event,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine __maybe_unused)
{
@@ -2643,7 +2655,7 @@ static int process_lost(struct perf_tool *tool __maybe_unused,
timestamp__scnprintf_usec(sample->time, tstr, sizeof(tstr));
printf("%15s ", tstr);
- printf("lost %" PRIu64 " events on cpu %d\n", event->lost.lost, sample->cpu);
+ printf("lost %" PRI_lu64 " events on cpu %d\n", event->lost.lost, sample->cpu);
return 0;
}
@@ -2897,14 +2909,14 @@ static void timehist_print_summary(struct perf_sched *sched,
typedef int (*sched_handler)(struct perf_tool *tool,
union perf_event *event,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct machine *machine);
static int perf_timehist__process_sample(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
struct perf_sched *sched = container_of(tool, struct perf_sched, tool);
@@ -2924,12 +2936,12 @@ static int perf_timehist__process_sample(struct perf_tool *tool,
}
static int timehist_check_attr(struct perf_sched *sched,
- struct perf_evlist *evlist)
+ struct evlist *evlist)
{
- struct perf_evsel *evsel;
+ struct evsel *evsel;
struct evsel_runtime *er;
- list_for_each_entry(evsel, &evlist->entries, node) {
+ list_for_each_entry(evsel, &evlist->core.entries, core.node) {
er = perf_evsel__get_runtime(evsel);
if (er == NULL) {
pr_err("Failed to allocate memory for evsel runtime data\n");
@@ -2948,12 +2960,12 @@ static int timehist_check_attr(struct perf_sched *sched,
static int perf_sched__timehist(struct perf_sched *sched)
{
- const struct perf_evsel_str_handler handlers[] = {
+ const struct evsel_str_handler handlers[] = {
{ "sched:sched_switch", timehist_sched_switch_event, },
{ "sched:sched_wakeup", timehist_sched_wakeup_event, },
{ "sched:sched_wakeup_new", timehist_sched_wakeup_event, },
};
- const struct perf_evsel_str_handler migrate_handlers[] = {
+ const struct evsel_str_handler migrate_handlers[] = {
{ "sched:sched_migrate_task", timehist_migrate_task_event, },
};
struct perf_data data = {
@@ -2963,7 +2975,7 @@ static int perf_sched__timehist(struct perf_sched *sched)
};
struct perf_session *session;
- struct perf_evlist *evlist;
+ struct evlist *evlist;
int err = -1;
/*
@@ -2985,8 +2997,14 @@ static int perf_sched__timehist(struct perf_sched *sched)
symbol_conf.use_callchain = sched->show_callchain;
session = perf_session__new(&data, false, &sched->tool);
- if (session == NULL)
- return -ENOMEM;
+ if (IS_ERR(session))
+ return PTR_ERR(session);
+
+ if (cpu_list) {
+ err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
+ if (err < 0)
+ goto out;
+ }
evlist = session->evlist;
@@ -3170,7 +3188,7 @@ static int perf_sched__lat(struct perf_sched *sched)
static int setup_map_cpus(struct perf_sched *sched)
{
- struct cpu_map *map;
+ struct perf_cpu_map *map;
sched->max_cpu = sysconf(_SC_NPROCESSORS_CONF);
@@ -3183,7 +3201,7 @@ static int setup_map_cpus(struct perf_sched *sched)
if (!sched->map.cpus_str)
return 0;
- map = cpu_map__new(sched->map.cpus_str);
+ map = perf_cpu_map__new(sched->map.cpus_str);
if (!map) {
pr_err("failed to get cpus map from %s\n", sched->map.cpus_str);
return -1;
@@ -3195,7 +3213,7 @@ static int setup_map_cpus(struct perf_sched *sched)
static int setup_color_pids(struct perf_sched *sched)
{
- struct thread_map *map;
+ struct perf_thread_map *map;
if (!sched->map.color_pids_str)
return 0;
@@ -3212,12 +3230,12 @@ static int setup_color_pids(struct perf_sched *sched)
static int setup_color_cpus(struct perf_sched *sched)
{
- struct cpu_map *map;
+ struct perf_cpu_map *map;
if (!sched->map.color_cpus_str)
return 0;
- map = cpu_map__new(sched->map.color_cpus_str);
+ map = perf_cpu_map__new(sched->map.color_cpus_str);
if (!map) {
pr_err("failed to get thread map from %s\n", sched->map.color_cpus_str);
return -1;
@@ -3423,6 +3441,7 @@ int cmd_sched(int argc, const char **argv)
"analyze events only for given process id(s)"),
OPT_STRING('t', "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
"analyze events only for given thread id(s)"),
+ OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
OPT_PARENT(sched_options)
};
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