#include "builtin.h"
#include "perf.h"
#include "util/util.h"
#include "util/evlist.h"
#include "util/cache.h"
#include "util/evsel.h"
#include "util/symbol.h"
#include "util/thread.h"
#include "util/header.h"
#include "util/session.h"
#include "util/tool.h"
#include "util/cloexec.h"
#include "util/thread_map.h"
#include "util/color.h"
#include "util/stat.h"
#include "util/callchain.h"
#include "util/time-utils.h"
#include <subcmd/parse-options.h>
#include "util/trace-event.h"
#include "util/debug.h"
#include <linux/kernel.h>
#include <linux/log2.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <inttypes.h>
#include <errno.h>
#include <semaphore.h>
#include <pthread.h>
#include <math.h>
#include <api/fs/fs.h>
#include <linux/time64.h>
#include "sane_ctype.h"

Include dependency graph for builtin-sched.c:

Classes
struct	task_desc

struct	sched_atom

struct	work_atom

struct	work_atoms

struct	trace_sched_handler

struct	perf_sched_map

struct	perf_sched

struct	thread_runtime

struct	evsel_runtime

struct	idle_thread_runtime

struct	sched_thread_parms

struct	sort_dimension

union	map_priv

struct	total_run_stats

Macros
#define	PR_SET_NAME 15 /* Set process name */

#define	MAX_CPUS 4096

#define	COMM_LEN 20

#define	SYM_LEN 129

#define	MAX_PID 1024000

#define	TASK_STATE_TO_CHAR_STR "RSDTtZXxKWP"

#define	TASK_RUNNING 0

#define	TASK_INTERRUPTIBLE 1

#define	TASK_UNINTERRUPTIBLE 2

#define	__TASK_STOPPED 4

#define	__TASK_TRACED 8

#define	EXIT_DEAD 16

#define	EXIT_ZOMBIE 32

#define	EXIT_TRACE (EXIT_ZOMBIE \| EXIT_DEAD)

#define	TASK_DEAD 64

#define	TASK_WAKEKILL 128

#define	TASK_WAKING 256

#define	TASK_PARKED 512

#define	COLOR_PIDS PERF_COLOR_BLUE

#define	COLOR_CPUS PERF_COLOR_BG_RED

Typedefs
typedef int(*	sort_fn_t) (struct work_atoms , struct work_atoms )

typedef int(*	tracepoint_handler) (struct perf_tool tool, struct perf_evsel evsel, struct perf_sample sample, struct machine machine)

typedef int(*	sched_handler) (struct perf_tool tool, union perf_event event, struct perf_evsel evsel, struct perf_sample sample, struct machine *machine)

Enumerations
enum	sched_event_type { SCHED_EVENT_RUN, SCHED_EVENT_SLEEP, SCHED_EVENT_WAKEUP, SCHED_EVENT_MIGRATION }

enum	thread_state { THREAD_SLEEPING = 0, THREAD_WAIT_CPU, THREAD_SCHED_IN, THREAD_IGNORE }

Functions
static u64	get_nsecs (void)

static void	burn_nsecs (struct perf_sched *sched, u64 nsecs)

static void	sleep_nsecs (u64 nsecs)

static void	calibrate_run_measurement_overhead (struct perf_sched *sched)

static void	calibrate_sleep_measurement_overhead (struct perf_sched *sched)

static struct sched_atom *	get_new_event (struct task_desc *task, u64 timestamp)

static struct sched_atom *	last_event (struct task_desc *task)

static void	add_sched_event_run (struct perf_sched sched, struct task_desc task, u64 timestamp, u64 duration)

static void	add_sched_event_wakeup (struct perf_sched sched, struct task_desc task, u64 timestamp, struct task_desc *wakee)

static void	add_sched_event_sleep (struct perf_sched sched, struct task_desc task, u64 timestamp, u64 task_state __maybe_unused)

static struct task_desc *	register_pid (struct perf_sched sched, unsigned long pid, const char comm)

static void	print_task_traces (struct perf_sched *sched)

static void	add_cross_task_wakeups (struct perf_sched *sched)

static void	perf_sched__process_event (struct perf_sched sched, struct sched_atom atom)

static u64	get_cpu_usage_nsec_parent (void)

static int	self_open_counters (struct perf_sched *sched, unsigned long cur_task)

static u64	get_cpu_usage_nsec_self (int fd)

static void *	thread_func (void *ctx)

static void	create_tasks (struct perf_sched *sched)

static void	wait_for_tasks (struct perf_sched *sched)

static void	run_one_test (struct perf_sched *sched)

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 machine machine __maybe_unused)

static int	replay_switch_event (struct perf_sched sched, struct perf_evsel evsel, struct perf_sample sample, struct machine machine __maybe_unused)

static int	replay_fork_event (struct perf_sched sched, union perf_event event, struct machine *machine)

static struct thread_runtime *	thread__init_runtime (struct thread *thread)

static struct thread_runtime *	thread__get_runtime (struct thread *thread)

static int	thread_lat_cmp (struct list_head list, struct work_atoms l, struct work_atoms *r)

static struct work_atoms *	thread_atoms_search (struct rb_root root, struct thread thread, struct list_head *sort_list)

static void	__thread_latency_insert (struct rb_root root, struct work_atoms data, struct list_head *sort_list)

static int	thread_atoms_insert (struct perf_sched sched, struct thread thread)

static char	sched_out_state (u64 prev_state)

static int	add_sched_out_event (struct work_atoms *atoms, char run_state, u64 timestamp)

static void	add_runtime_event (struct work_atoms *atoms, u64 delta, u64 timestamp __maybe_unused)

static void	add_sched_in_event (struct work_atoms *atoms, u64 timestamp)

static int	latency_switch_event (struct perf_sched sched, struct perf_evsel evsel, struct perf_sample sample, struct machine machine)

static int	latency_runtime_event (struct perf_sched sched, struct perf_evsel evsel, struct perf_sample sample, struct machine machine)

static int	latency_wakeup_event (struct perf_sched sched, struct perf_evsel evsel, struct perf_sample sample, struct machine machine)

static int	latency_migrate_task_event (struct perf_sched sched, struct perf_evsel evsel, struct perf_sample sample, struct machine machine)

static void	output_lat_thread (struct perf_sched sched, struct work_atoms work_list)

static int	pid_cmp (struct work_atoms l, struct work_atoms r)

static int	avg_cmp (struct work_atoms l, struct work_atoms r)

static int	max_cmp (struct work_atoms l, struct work_atoms r)

static int	switch_cmp (struct work_atoms l, struct work_atoms r)

static int	runtime_cmp (struct work_atoms l, struct work_atoms r)

static int	sort_dimension__add (const char tok, struct list_head list)

static void	perf_sched__sort_lat (struct perf_sched *sched)

static int	process_sched_wakeup_event (struct perf_tool tool, struct perf_evsel evsel, struct perf_sample sample, struct machine machine)

static bool	thread__has_color (struct thread *thread)

static struct thread *	map__findnew_thread (struct perf_sched sched, struct machine machine, pid_t pid, pid_t tid)

static int	map_switch_event (struct perf_sched sched, struct perf_evsel evsel, struct perf_sample sample, struct machine machine)

static int	process_sched_switch_event (struct perf_tool tool, struct perf_evsel evsel, struct perf_sample sample, struct machine machine)

static int	process_sched_runtime_event (struct perf_tool tool, struct perf_evsel evsel, struct perf_sample sample, struct machine machine)

static int	perf_sched__process_fork_event (struct perf_tool tool, union perf_event event, struct perf_sample sample, struct machine machine)

static int	process_sched_migrate_task_event (struct perf_tool tool, struct perf_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 machine *machine)

static int	perf_sched__process_comm (struct perf_tool tool __maybe_unused, union perf_event event, struct perf_sample sample, struct machine machine)

static int	perf_sched__read_events (struct perf_sched *sched)

static void	print_sched_time (unsigned long long nsecs, int width)

static struct evsel_runtime *	perf_evsel__get_runtime (struct perf_evsel *evsel)

static void	perf_evsel__save_time (struct perf_evsel *evsel, u64 timestamp, u32 cpu)

static u64	perf_evsel__get_time (struct perf_evsel *evsel, u32 cpu)

static char *	timehist_get_commstr (struct thread *thread)

static void	timehist_header (struct perf_sched *sched)

static char	task_state_char (struct thread *thread, int state)

static void	timehist_print_sample (struct perf_sched sched, struct perf_evsel evsel, struct perf_sample sample, struct addr_location al, struct thread *thread, u64 t, int state)

static void	timehist_update_runtime_stats (struct thread_runtime *r, u64 t, u64 tprev)

static bool	is_idle_sample (struct perf_sample sample, struct perf_evsel evsel)

static void	save_task_callchain (struct perf_sched sched, struct perf_sample sample, struct perf_evsel evsel, struct machine machine)

static int	init_idle_thread (struct thread *thread)

static int	init_idle_threads (int ncpu)

static void	free_idle_threads (void)

static struct thread *	get_idle_thread (int cpu)

static void	save_idle_callchain (struct perf_sched sched, struct idle_thread_runtime itr, struct perf_sample *sample)

static struct thread *	timehist_get_thread (struct perf_sched sched, struct perf_sample sample, struct machine machine, struct perf_evsel evsel)

static bool	timehist_skip_sample (struct perf_sched sched, struct thread thread, struct perf_evsel evsel, struct perf_sample sample)

static void	timehist_print_wakeup_event (struct perf_sched sched, struct perf_evsel evsel, struct perf_sample sample, struct machine machine, struct thread *awakened)

static int	timehist_sched_wakeup_event (struct perf_tool tool, union perf_event event __maybe_unused, struct perf_evsel evsel, struct perf_sample sample, struct machine *machine)

static void	timehist_print_migration_event (struct perf_sched sched, struct perf_evsel evsel, struct perf_sample sample, struct machine machine, struct thread *migrated)

static int	timehist_migrate_task_event (struct perf_tool tool, union perf_event event __maybe_unused, struct perf_evsel evsel, struct perf_sample sample, struct machine *machine)

static int	timehist_sched_change_event (struct perf_tool tool, union perf_event event, struct perf_evsel evsel, struct perf_sample sample, struct machine *machine)

static int	timehist_sched_switch_event (struct perf_tool tool, union perf_event event, struct perf_evsel evsel, struct perf_sample sample, struct machine *machine __maybe_unused)

static int	process_lost (struct perf_tool tool __maybe_unused, union perf_event event, struct perf_sample sample, struct machine machine __maybe_unused)

static void	print_thread_runtime (struct thread t, struct thread_runtime r)

static void	print_thread_waittime (struct thread t, struct thread_runtime r)

static int	__show_thread_runtime (struct thread t, void priv)

static int	show_thread_runtime (struct thread t, void priv)

static int	show_deadthread_runtime (struct thread t, void priv)

static size_t	callchain__fprintf_folded (FILE fp, struct callchain_node node)

static size_t	timehist_print_idlehist_callchain (struct rb_root *root)

static void	timehist_print_summary (struct perf_sched sched, struct perf_session session)

static int	perf_timehist__process_sample (struct perf_tool tool, union perf_event event, struct perf_sample sample, struct perf_evsel evsel, struct machine *machine)

static int	timehist_check_attr (struct perf_sched sched, struct perf_evlist evlist)

static int	perf_sched__timehist (struct perf_sched *sched)

static void	print_bad_events (struct perf_sched *sched)

static void	__merge_work_atoms (struct rb_root root, struct work_atoms data)

static void	perf_sched__merge_lat (struct perf_sched *sched)

static int	perf_sched__lat (struct perf_sched *sched)

static int	setup_map_cpus (struct perf_sched *sched)

static int	setup_color_pids (struct perf_sched *sched)

static int	setup_color_cpus (struct perf_sched *sched)

static int	perf_sched__map (struct perf_sched *sched)

static int	perf_sched__replay (struct perf_sched *sched)

static void	setup_sorting (struct perf_sched sched, const struct option options, const char *const usage_msg[])

static int	__cmd_record (int argc, const char **argv)

int	cmd_sched (int argc, const char **argv)

Variables
static struct thread **	idle_threads

static int	idle_max_cpu

static char	idle_comm [] = "<idle>"

static int	comm_width = 30

Macro Definition Documentation

◆ __TASK_STOPPED

#define __TASK_STOPPED 4

Definition at line 90 of file builtin-sched.c.

◆ __TASK_TRACED

#define __TASK_TRACED 8

Definition at line 91 of file builtin-sched.c.

◆ COLOR_CPUS

#define COLOR_CPUS PERF_COLOR_BG_RED

Definition at line 155 of file builtin-sched.c.

◆ COLOR_PIDS

#define COLOR_PIDS PERF_COLOR_BLUE

Definition at line 154 of file builtin-sched.c.

◆ COMM_LEN

#define COMM_LEN 20

Definition at line 43 of file builtin-sched.c.

◆ EXIT_DEAD

#define EXIT_DEAD 16

Definition at line 93 of file builtin-sched.c.

◆ EXIT_TRACE

#define EXIT_TRACE (EXIT_ZOMBIE | EXIT_DEAD)

Definition at line 95 of file builtin-sched.c.

◆ EXIT_ZOMBIE

#define EXIT_ZOMBIE 32

Definition at line 94 of file builtin-sched.c.

◆ MAX_CPUS

#define MAX_CPUS 4096

Definition at line 42 of file builtin-sched.c.

◆ MAX_PID

#define MAX_PID 1024000

Definition at line 45 of file builtin-sched.c.

◆ PR_SET_NAME

#define PR_SET_NAME 15 /* Set process name */

Definition at line 41 of file builtin-sched.c.

◆ SYM_LEN

#define SYM_LEN 129

Definition at line 44 of file builtin-sched.c.

◆ TASK_DEAD

#define TASK_DEAD 64

Definition at line 97 of file builtin-sched.c.

◆ TASK_INTERRUPTIBLE

#define TASK_INTERRUPTIBLE 1

Definition at line 88 of file builtin-sched.c.

◆ TASK_PARKED

#define TASK_PARKED 512

Definition at line 100 of file builtin-sched.c.

◆ TASK_RUNNING

#define TASK_RUNNING 0

Definition at line 87 of file builtin-sched.c.

◆ TASK_STATE_TO_CHAR_STR

#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKWP"

Definition at line 84 of file builtin-sched.c.

◆ TASK_UNINTERRUPTIBLE

#define TASK_UNINTERRUPTIBLE 2

Definition at line 89 of file builtin-sched.c.

◆ TASK_WAKEKILL

#define TASK_WAKEKILL 128

Definition at line 98 of file builtin-sched.c.

◆ TASK_WAKING

#define TASK_WAKING 256

Definition at line 99 of file builtin-sched.c.

Typedef Documentation

◆ sched_handler

typedef int(* sched_handler) (struct perf_tool *tool, union perf_event *event, struct perf_evsel *evsel, struct perf_sample *sample, struct machine *machine)

Definition at line 2896 of file builtin-sched.c.

◆ sort_fn_t

typedef int(* sort_fn_t) (struct work_atoms *, struct work_atoms *)

Definition at line 130 of file builtin-sched.c.

◆ tracepoint_handler

typedef int(* tracepoint_handler) (struct perf_tool *tool, struct perf_evsel *evsel, struct perf_sample *sample, struct machine *machine)

Definition at line 1722 of file builtin-sched.c.

Enumeration Type Documentation

◆ sched_event_type

enum sched_event_type

Enumerator
SCHED_EVENT_RUN
SCHED_EVENT_SLEEP
SCHED_EVENT_WAKEUP
SCHED_EVENT_MIGRATION

Definition at line 67 of file builtin-sched.c.

◆ thread_state

enum thread_state

Enumerator
THREAD_SLEEPING
THREAD_WAIT_CPU
THREAD_SCHED_IN
THREAD_IGNORE

Definition at line 102 of file builtin-sched.c.

Function Documentation

◆ __cmd_record()

static int __cmd_record	(	int	argc,
		const char **	argv
	)

static

Definition at line 3299 of file builtin-sched.c.

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◆ __merge_work_atoms()

static void __merge_work_atoms	(	struct rb_root *	root,
		struct work_atoms *	data
	)

static

Definition at line 3077 of file builtin-sched.c.

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◆ __show_thread_runtime()

static int __show_thread_runtime	(	struct thread *	t,
		void *	priv
	)

static

Definition at line 2698 of file builtin-sched.c.

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◆ __thread_latency_insert()

static void __thread_latency_insert	(	struct rb_root *	root,
		struct work_atoms *	data,
		struct list_head *	sort_list
	)

static

Definition at line 979 of file builtin-sched.c.

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◆ add_cross_task_wakeups()

static void add_cross_task_wakeups ( struct perf_sched * sched )

static

Definition at line 493 of file builtin-sched.c.

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◆ add_runtime_event()

static void add_runtime_event	(	struct work_atoms *	atoms,
		u64	delta,
		u64 timestamp	__maybe_unused
	)

static

Definition at line 1047 of file builtin-sched.c.

◆ add_sched_event_run()

static void add_sched_event_run	(	struct perf_sched *	sched,
		struct task_desc *	task,
		u64	timestamp,
		u64	duration
	)

static

Definition at line 375 of file builtin-sched.c.

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◆ add_sched_event_sleep()

static void add_sched_event_sleep	(	struct perf_sched *	sched,
		struct task_desc *	task,
		u64	timestamp,
		u64 task_state	__maybe_unused
	)

static

Definition at line 425 of file builtin-sched.c.

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◆ add_sched_event_wakeup()

static void add_sched_event_wakeup	(	struct perf_sched *	sched,
		struct task_desc *	task,
		u64	timestamp,
		struct task_desc *	wakee
	)

static

Definition at line 398 of file builtin-sched.c.

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◆ add_sched_in_event()

static void add_sched_in_event	(	struct work_atoms *	atoms,
		u64	timestamp
	)

static

Definition at line 1061 of file builtin-sched.c.

◆ add_sched_out_event()

static int add_sched_out_event	(	struct work_atoms *	atoms,
		char	run_state,
		u64	timestamp
	)

static

Definition at line 1025 of file builtin-sched.c.

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◆ avg_cmp()

static int avg_cmp	(	struct work_atoms *	l,
		struct work_atoms *	r
	)

static

Definition at line 1354 of file builtin-sched.c.

◆ burn_nsecs()

static void burn_nsecs	(	struct perf_sched *	sched,
		u64	nsecs
	)

static

Definition at line 293 of file builtin-sched.c.

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◆ calibrate_run_measurement_overhead()

static void calibrate_run_measurement_overhead ( struct perf_sched * sched )

static

Definition at line 312 of file builtin-sched.c.

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◆ calibrate_sleep_measurement_overhead()

static void calibrate_sleep_measurement_overhead ( struct perf_sched * sched )

static

Definition at line 329 of file builtin-sched.c.

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◆ callchain__fprintf_folded()

static size_t callchain__fprintf_folded	(	FILE *	fp,
		struct callchain_node *	node
	)

static

Definition at line 2737 of file builtin-sched.c.

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◆ cmd_sched()

int cmd_sched	(	int	argc,
		const char **	argv
	)

Definition at line 3337 of file builtin-sched.c.

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◆ create_tasks()

static void create_tasks ( struct perf_sched * sched )

static

Definition at line 652 of file builtin-sched.c.

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◆ free_idle_threads()

static void free_idle_threads ( void )

static

Definition at line 2225 of file builtin-sched.c.

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◆ get_cpu_usage_nsec_parent()

static u64 get_cpu_usage_nsec_parent ( void )

static

Definition at line 534 of file builtin-sched.c.

◆ get_cpu_usage_nsec_self()

static u64 get_cpu_usage_nsec_self ( int fd )

static

Definition at line 591 of file builtin-sched.c.

◆ get_idle_thread()

static struct thread* get_idle_thread ( int cpu )

static

Definition at line 2240 of file builtin-sched.c.

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◆ get_new_event()

static struct sched_atom* get_new_event	(	struct task_desc *	task,
		u64	timestamp
	)

static

Definition at line 348 of file builtin-sched.c.

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◆ get_nsecs()

static u64 get_nsecs ( void )

static

Definition at line 284 of file builtin-sched.c.

◆ init_idle_thread()

static int init_idle_thread ( struct thread * thread )

static

Definition at line 2179 of file builtin-sched.c.

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◆ init_idle_threads()

static int init_idle_threads ( int ncpu )

static

Definition at line 2201 of file builtin-sched.c.

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◆ is_idle_sample()

static bool is_idle_sample	(	struct perf_sample *	sample,
		struct perf_evsel *	evsel
	)

static

Definition at line 2121 of file builtin-sched.c.

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◆ last_event()

static struct sched_atom* last_event ( struct task_desc * task )

static

Definition at line 367 of file builtin-sched.c.

◆ latency_migrate_task_event()

static int latency_migrate_task_event	(	struct perf_sched *	sched,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 1257 of file builtin-sched.c.

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◆ latency_runtime_event()

static int latency_runtime_event	(	struct perf_sched *	sched,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 1161 of file builtin-sched.c.

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◆ latency_switch_event()

static int latency_switch_event	(	struct perf_sched *	sched,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 1091 of file builtin-sched.c.

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◆ latency_wakeup_event()

static int latency_wakeup_event	(	struct perf_sched *	sched,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 1196 of file builtin-sched.c.

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◆ map__findnew_thread()

static struct thread* map__findnew_thread	(	struct perf_sched *	sched,
		struct machine *	machine,
		pid_t	pid,
		pid_t	tid
	)

static

Definition at line 1496 of file builtin-sched.c.

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◆ map_switch_event()

static int map_switch_event	(	struct perf_sched *	sched,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 1513 of file builtin-sched.c.

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◆ max_cmp()

static int max_cmp	(	struct work_atoms *	l,
		struct work_atoms *	r
	)

static

Definition at line 1375 of file builtin-sched.c.

◆ output_lat_thread()

static void output_lat_thread	(	struct perf_sched *	sched,
		struct work_atoms *	work_list
	)

static

Definition at line 1307 of file builtin-sched.c.

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◆ perf_evsel__get_runtime()

static struct evsel_runtime* perf_evsel__get_runtime ( struct perf_evsel * evsel )

static

Definition at line 1840 of file builtin-sched.c.

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◆ perf_evsel__get_time()

static u64 perf_evsel__get_time	(	struct perf_evsel *	evsel,
		u32	cpu
	)

static

Definition at line 1882 of file builtin-sched.c.

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◆ perf_evsel__save_time()

static void perf_evsel__save_time	(	struct perf_evsel *	evsel,
		u64	timestamp,
		u32	cpu
	)

static

Definition at line 1855 of file builtin-sched.c.

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◆ perf_sched__lat()

static int perf_sched__lat ( struct perf_sched * sched )

static

Definition at line 3130 of file builtin-sched.c.

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◆ perf_sched__map()

static int perf_sched__map ( struct perf_sched * sched )

static

Definition at line 3228 of file builtin-sched.c.

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◆ perf_sched__merge_lat()

static void perf_sched__merge_lat ( struct perf_sched * sched )

static

Definition at line 3115 of file builtin-sched.c.

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◆ perf_sched__process_comm()

static int perf_sched__process_comm	(	struct perf_tool *tool	__maybe_unused,
		union perf_event *	event,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 1743 of file builtin-sched.c.

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◆ perf_sched__process_event()

static void perf_sched__process_event	(	struct perf_sched *	sched,
		struct sched_atom *	atom
	)

static

Definition at line 508 of file builtin-sched.c.

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◆ perf_sched__process_fork_event()

static int perf_sched__process_fork_event	(	struct perf_tool *	tool,
		union perf_event *	event,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 1692 of file builtin-sched.c.

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◆ perf_sched__process_tracepoint_sample()

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 machine *	machine
	)

static

Definition at line 1727 of file builtin-sched.c.

◆ perf_sched__read_events()

static int perf_sched__read_events ( struct perf_sched * sched )

static

Definition at line 1774 of file builtin-sched.c.

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◆ perf_sched__replay()

static int perf_sched__replay ( struct perf_sched * sched )

static

Definition at line 3246 of file builtin-sched.c.

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◆ perf_sched__sort_lat()

static void perf_sched__sort_lat ( struct perf_sched * sched )

static

Definition at line 1447 of file builtin-sched.c.

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◆ perf_sched__timehist()

static int perf_sched__timehist ( struct perf_sched * sched )

static

Definition at line 2947 of file builtin-sched.c.

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◆ perf_timehist__process_sample()

static int perf_timehist__process_sample	(	struct perf_tool *	tool,
		union perf_event *	event,
		struct perf_sample *	sample,
		struct perf_evsel *	evsel,
		struct machine *	machine
	)

static

Definition at line 2902 of file builtin-sched.c.

◆ pid_cmp()

static int pid_cmp	(	struct work_atoms *	l,
		struct work_atoms *	r
	)

static

Definition at line 1343 of file builtin-sched.c.

◆ print_bad_events()

static void print_bad_events ( struct perf_sched * sched )

static

Definition at line 3055 of file builtin-sched.c.

◆ print_sched_time()

static void print_sched_time	(	unsigned long long	nsecs,
		int	width
	)

inlinestatic

Definition at line 1825 of file builtin-sched.c.

◆ print_task_traces()

static void print_task_traces ( struct perf_sched * sched )

static

Definition at line 481 of file builtin-sched.c.

◆ print_thread_runtime()

static void print_thread_runtime	(	struct thread *	t,
		struct thread_runtime *	r
	)

static

Definition at line 2650 of file builtin-sched.c.

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◆ print_thread_waittime()

static void print_thread_waittime	(	struct thread *	t,
		struct thread_runtime *	r
	)

static

Definition at line 2673 of file builtin-sched.c.

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◆ process_lost()

static int process_lost	(	struct perf_tool *tool	__maybe_unused,
		union perf_event *	event,
		struct perf_sample *	sample,
		struct machine *machine	__maybe_unused
	)

static

Definition at line 2635 of file builtin-sched.c.

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◆ process_sched_migrate_task_event()

static int process_sched_migrate_task_event	(	struct perf_tool *	tool,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 1709 of file builtin-sched.c.

◆ process_sched_runtime_event()

static int process_sched_runtime_event	(	struct perf_tool *	tool,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 1679 of file builtin-sched.c.

◆ process_sched_switch_event()

static int process_sched_switch_event	(	struct perf_tool *	tool,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 1653 of file builtin-sched.c.

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◆ process_sched_wakeup_event()

static int process_sched_wakeup_event	(	struct perf_tool *	tool,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 1468 of file builtin-sched.c.

◆ register_pid()

static struct task_desc* register_pid	(	struct perf_sched *	sched,
		unsigned long	pid,
		const char *	comm
	)

static

Definition at line 435 of file builtin-sched.c.

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◆ replay_fork_event()

static int replay_fork_event	(	struct perf_sched *	sched,
		union perf_event *	event,
		struct machine *	machine
	)

static

Definition at line 867 of file builtin-sched.c.

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◆ replay_switch_event()

static int replay_switch_event	(	struct perf_sched *	sched,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *machine	__maybe_unused
	)

static

Definition at line 821 of file builtin-sched.c.

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◆ replay_wakeup_event()

static int replay_wakeup_event	(	struct perf_sched *	sched,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *machine	__maybe_unused
	)

static

Definition at line 800 of file builtin-sched.c.

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◆ run_one_test()

static void run_one_test ( struct perf_sched * sched )

static

Definition at line 736 of file builtin-sched.c.

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◆ runtime_cmp()

static int runtime_cmp	(	struct work_atoms *	l,
		struct work_atoms *	r
	)

static

Definition at line 1395 of file builtin-sched.c.

◆ save_idle_callchain()

static void save_idle_callchain	(	struct perf_sched *	sched,
		struct idle_thread_runtime *	itr,
		struct perf_sample *	sample
	)

static

Definition at line 2274 of file builtin-sched.c.

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◆ save_task_callchain()

static void save_task_callchain	(	struct perf_sched *	sched,
		struct perf_sample *	sample,
		struct perf_evsel *	evsel,
		struct machine *	machine
	)

static

Definition at line 2131 of file builtin-sched.c.

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◆ sched_out_state()

static char sched_out_state ( u64 prev_state )

static

Definition at line 1017 of file builtin-sched.c.

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◆ self_open_counters()

static int self_open_counters	(	struct perf_sched *	sched,
		unsigned long	cur_task
	)

static

Definition at line 549 of file builtin-sched.c.

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◆ setup_color_cpus()

static int setup_color_cpus ( struct perf_sched * sched )

static

Definition at line 3211 of file builtin-sched.c.

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◆ setup_color_pids()

static int setup_color_pids ( struct perf_sched * sched )

static

Definition at line 3194 of file builtin-sched.c.

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◆ setup_map_cpus()

static int setup_map_cpus ( struct perf_sched * sched )

static

Definition at line 3169 of file builtin-sched.c.

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◆ setup_sorting()

static void setup_sorting	(	struct perf_sched *	sched,
		const struct option *	options,
		const char *const	usage_msg[]
	)

static

Definition at line 3281 of file builtin-sched.c.

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◆ show_deadthread_runtime()

static int show_deadthread_runtime	(	struct thread *	t,
		void *	priv
	)

static

Definition at line 2729 of file builtin-sched.c.

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◆ show_thread_runtime()

static int show_thread_runtime	(	struct thread *	t,
		void *	priv
	)

static

Definition at line 2721 of file builtin-sched.c.

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◆ sleep_nsecs()

static void sleep_nsecs ( u64 nsecs )

static

Definition at line 302 of file builtin-sched.c.

◆ sort_dimension__add()

static int sort_dimension__add	(	const char *	tok,
		struct list_head *	list
	)

static

Definition at line 1405 of file builtin-sched.c.

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◆ switch_cmp()

static int switch_cmp	(	struct work_atoms *	l,
		struct work_atoms *	r
	)

static

Definition at line 1385 of file builtin-sched.c.

◆ task_state_char()

static char task_state_char	(	struct thread *	thread,
		int	state
	)

static

Definition at line 1976 of file builtin-sched.c.

◆ test_calibrations()

static void test_calibrations ( struct perf_sched * sched )

static

Definition at line 782 of file builtin-sched.c.

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◆ thread__get_runtime()

static struct thread_runtime* thread__get_runtime ( struct thread * thread )

static

Definition at line 921 of file builtin-sched.c.

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◆ thread__has_color()

static bool thread__has_color ( struct thread * thread )

static

Definition at line 1486 of file builtin-sched.c.

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◆ thread__init_runtime()

static struct thread_runtime* thread__init_runtime ( struct thread * thread )

static

Definition at line 907 of file builtin-sched.c.

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◆ thread_atoms_insert()

static int thread_atoms_insert	(	struct perf_sched *	sched,
		struct thread *	thread
	)

static

Definition at line 1003 of file builtin-sched.c.

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◆ thread_atoms_search()

static struct work_atoms* thread_atoms_search	(	struct rb_root *	root,
		struct thread *	thread,
		struct list_head *	sort_list
	)

static

Definition at line 953 of file builtin-sched.c.

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◆ thread_func()

static void* thread_func ( void * ctx )

static

Definition at line 608 of file builtin-sched.c.

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◆ thread_lat_cmp()

static int thread_lat_cmp	(	struct list_head *	list,
		struct work_atoms *	l,
		struct work_atoms *	r
	)

static

Definition at line 936 of file builtin-sched.c.

◆ timehist_check_attr()

static int timehist_check_attr	(	struct perf_sched *	sched,
		struct perf_evlist *	evlist
	)

static

Definition at line 2924 of file builtin-sched.c.

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◆ timehist_get_commstr()

static char* timehist_get_commstr ( struct thread * thread )

static

Definition at line 1894 of file builtin-sched.c.

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◆ timehist_get_thread()

static struct thread* timehist_get_thread	(	struct perf_sched *	sched,
		struct perf_sample *	sample,
		struct machine *	machine,
		struct perf_evsel *	evsel
	)

static

Definition at line 2284 of file builtin-sched.c.

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◆ timehist_header()

static void timehist_header ( struct perf_sched * sched )

static

Definition at line 1917 of file builtin-sched.c.

◆ timehist_migrate_task_event()

static int timehist_migrate_task_event	(	struct perf_tool *	tool,
		union perf_event *event	__maybe_unused,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 2472 of file builtin-sched.c.

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◆ timehist_print_idlehist_callchain()

static size_t timehist_print_idlehist_callchain ( struct rb_root * root )

static

Definition at line 2765 of file builtin-sched.c.

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◆ timehist_print_migration_event()

static void timehist_print_migration_event	(	struct perf_sched *	sched,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine,
		struct thread *	migrated
	)

static

Definition at line 2419 of file builtin-sched.c.

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◆ timehist_print_sample()

static void timehist_print_sample	(	struct perf_sched *	sched,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct addr_location *	al,
		struct thread *	thread,
		u64	t,
		int	state
	)

static

Definition at line 1988 of file builtin-sched.c.

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◆ timehist_print_summary()

static void timehist_print_summary	(	struct perf_sched *	sched,
		struct perf_session *	session
	)

static

Definition at line 2791 of file builtin-sched.c.

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◆ timehist_print_wakeup_event()

static void timehist_print_wakeup_event	(	struct perf_sched *	sched,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine,
		struct thread *	awakened
	)

static

Definition at line 2354 of file builtin-sched.c.

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◆ timehist_sched_change_event()

static int timehist_sched_change_event	(	struct perf_tool *	tool,
		union perf_event *	event,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 2500 of file builtin-sched.c.

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◆ timehist_sched_switch_event()

static int timehist_sched_switch_event	(	struct perf_tool *	tool,
		union perf_event *	event,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *machine	__maybe_unused
	)

static

Definition at line 2626 of file builtin-sched.c.

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◆ timehist_sched_wakeup_event()

static int timehist_sched_wakeup_event	(	struct perf_tool *	tool,
		union perf_event *event	__maybe_unused,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 2388 of file builtin-sched.c.

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◆ timehist_skip_sample()

static bool timehist_skip_sample	(	struct perf_sched *	sched,
		struct thread *	thread,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 2331 of file builtin-sched.c.

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◆ timehist_update_runtime_stats()

static void timehist_update_runtime_stats	(	struct thread_runtime *	r,
		u64	t,
		u64	tprev
	)

static

Definition at line 2080 of file builtin-sched.c.

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◆ wait_for_tasks()

static void wait_for_tasks ( struct perf_sched * sched )

static

Definition at line 683 of file builtin-sched.c.

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Variable Documentation

◆ comm_width

int comm_width = 30

static

Definition at line 1892 of file builtin-sched.c.

◆ idle_comm

char idle_comm[] = "<idle>"

static

Definition at line 282 of file builtin-sched.c.

◆ idle_max_cpu

int idle_max_cpu

static

Definition at line 281 of file builtin-sched.c.

◆ idle_threads

struct thread** idle_threads

static

Definition at line 280 of file builtin-sched.c.

Classes

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

◆ __TASK_STOPPED

◆ __TASK_TRACED

◆ COLOR_CPUS

◆ COLOR_PIDS

◆ COMM_LEN

◆ EXIT_DEAD

◆ EXIT_TRACE

◆ EXIT_ZOMBIE

◆ MAX_CPUS

◆ MAX_PID

◆ PR_SET_NAME

◆ SYM_LEN

◆ TASK_DEAD

◆ TASK_INTERRUPTIBLE

◆ TASK_PARKED

◆ TASK_RUNNING

◆ TASK_STATE_TO_CHAR_STR

◆ TASK_UNINTERRUPTIBLE

◆ TASK_WAKEKILL

◆ TASK_WAKING

Typedef Documentation

◆ sched_handler

◆ sort_fn_t

◆ tracepoint_handler

Enumeration Type Documentation

◆ sched_event_type

◆ thread_state

Function Documentation

◆ __cmd_record()

◆ __merge_work_atoms()

◆ __show_thread_runtime()

◆ __thread_latency_insert()

◆ add_cross_task_wakeups()

◆ add_runtime_event()

◆ add_sched_event_run()

◆ add_sched_event_sleep()

◆ add_sched_event_wakeup()

◆ add_sched_in_event()

◆ add_sched_out_event()

◆ avg_cmp()

◆ burn_nsecs()

◆ calibrate_run_measurement_overhead()

◆ calibrate_sleep_measurement_overhead()

◆ callchain__fprintf_folded()

◆ cmd_sched()

◆ create_tasks()

◆ free_idle_threads()

◆ get_cpu_usage_nsec_parent()

◆ get_cpu_usage_nsec_self()

◆ get_idle_thread()

◆ get_new_event()

◆ get_nsecs()

◆ init_idle_thread()

◆ init_idle_threads()

◆ is_idle_sample()

◆ last_event()

◆ latency_migrate_task_event()

◆ latency_runtime_event()

◆ latency_switch_event()

◆ latency_wakeup_event()

◆ map__findnew_thread()

◆ map_switch_event()

◆ max_cmp()

◆ output_lat_thread()

◆ perf_evsel__get_runtime()

◆ perf_evsel__get_time()

◆ perf_evsel__save_time()

◆ perf_sched__lat()

◆ perf_sched__map()

◆ perf_sched__merge_lat()

◆ perf_sched__process_comm()

◆ perf_sched__process_event()

◆ perf_sched__process_fork_event()