#include <errno.h>
#include <inttypes.h>
#include <traceevent/event-parse.h>
#include "builtin.h"
#include "util/util.h"
#include "util/color.h"
#include <linux/list.h>
#include "util/cache.h"
#include "util/evlist.h"
#include "util/evsel.h"
#include <linux/kernel.h>
#include <linux/rbtree.h>
#include <linux/time64.h>
#include "util/symbol.h"
#include "util/thread.h"
#include "util/callchain.h"
#include "perf.h"
#include "util/header.h"
#include <subcmd/parse-options.h>
#include "util/parse-events.h"
#include "util/event.h"
#include "util/session.h"
#include "util/svghelper.h"
#include "util/tool.h"
#include "util/data.h"
#include "util/debug.h"

Include dependency graph for builtin-timechart.c:

Classes
struct	timechart

struct	per_pid

struct	per_pidcomm

struct	sample_wrapper

struct	cpu_sample

struct	io_sample

struct	power_event

struct	wake_event

struct	process_filter

Macros
#define	SUPPORT_OLD_POWER_EVENTS 1

#define	PWR_EVENT_EXIT -1

#define	TYPE_NONE 0

#define	TYPE_RUNNING 1

#define	TYPE_WAITING 2

#define	TYPE_BLOCKED 3

#define	CSTATE 1

#define	PSTATE 2

#define	MAX_CPUS 4096

#define	BYTES_THRESH (1 * 1024 * 1024)

#define	TIME_THRESH 10000000

Typedefs
typedef int(*	tracepoint_handler) (struct timechart tchart, struct perf_evsel evsel, struct perf_sample sample, const char backtrace)

Enumerations
enum	{ IOTYPE_READ, IOTYPE_WRITE, IOTYPE_SYNC, IOTYPE_TX, IOTYPE_RX, IOTYPE_POLL }

Functions
static struct per_pid *	find_create_pid (struct timechart *tchart, int pid)

static void	pid_set_comm (struct timechart tchart, int pid, char comm)

static void	pid_fork (struct timechart *tchart, int pid, int ppid, u64 timestamp)

static void	pid_exit (struct timechart *tchart, int pid, u64 timestamp)

static void	pid_put_sample (struct timechart tchart, int pid, int type, unsigned int cpu, u64 start, u64 end, const char backtrace)

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

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

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

static void	c_state_start (int cpu, u64 timestamp, int state)

static void	c_state_end (struct timechart *tchart, int cpu, u64 timestamp)

static void	p_state_change (struct timechart *tchart, int cpu, u64 timestamp, u64 new_freq)

static void	sched_wakeup (struct timechart tchart, int cpu, u64 timestamp, int waker, int wakee, u8 flags, const char backtrace)

static void	sched_switch (struct timechart tchart, int cpu, u64 timestamp, int prev_pid, int next_pid, u64 prev_state, const char backtrace)

static const char *	cat_backtrace (union perf_event event, struct perf_sample sample, struct machine *machine)

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

static int	process_sample_cpu_idle (struct timechart tchart __maybe_unused, struct perf_evsel evsel, struct perf_sample sample, const char backtrace __maybe_unused)

static int	process_sample_cpu_frequency (struct timechart tchart, struct perf_evsel evsel, struct perf_sample sample, const char backtrace __maybe_unused)

static int	process_sample_sched_wakeup (struct timechart tchart, struct perf_evsel evsel, struct perf_sample sample, const char backtrace)

static int	process_sample_sched_switch (struct timechart tchart, struct perf_evsel evsel, struct perf_sample sample, const char backtrace)

static int	process_sample_power_start (struct timechart tchart __maybe_unused, struct perf_evsel evsel, struct perf_sample sample, const char backtrace __maybe_unused)

static int	process_sample_power_end (struct timechart tchart, struct perf_evsel evsel __maybe_unused, struct perf_sample sample, const char backtrace __maybe_unused)

static int	process_sample_power_frequency (struct timechart tchart, struct perf_evsel evsel, struct perf_sample sample, const char backtrace __maybe_unused)

static void	end_sample_processing (struct timechart *tchart)

static int	pid_begin_io_sample (struct timechart *tchart, int pid, int type, u64 start, int fd)

static int	pid_end_io_sample (struct timechart *tchart, int pid, int type, u64 end, long ret)

static int	process_enter_read (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static int	process_exit_read (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static int	process_enter_write (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static int	process_exit_write (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static int	process_enter_sync (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static int	process_exit_sync (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static int	process_enter_tx (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static int	process_exit_tx (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static int	process_enter_rx (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static int	process_exit_rx (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static int	process_enter_poll (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static int	process_exit_poll (struct timechart tchart, struct perf_evsel evsel, struct perf_sample *sample)

static void	sort_pids (struct timechart *tchart)

static void	draw_c_p_states (struct timechart *tchart)

static void	draw_wakeups (struct timechart *tchart)

static void	draw_cpu_usage (struct timechart *tchart)

static void	draw_io_bars (struct timechart *tchart)

static void	draw_process_bars (struct timechart *tchart)

static void	add_process_filter (const char *string)

static int	passes_filter (struct per_pid p, struct per_pidcomm c)

static int	determine_display_tasks_filtered (struct timechart *tchart)

static int	determine_display_tasks (struct timechart *tchart, u64 threshold)

static int	determine_display_io_tasks (struct timechart *timechart, u64 threshold)

static void	write_svg_file (struct timechart tchart, const char filename)

static int	process_header (struct perf_file_section section __maybe_unused, struct perf_header ph, int feat, int fd __maybe_unused, void *data)

static int	__cmd_timechart (struct timechart tchart, const char output_name)

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

static int	timechart__record (struct timechart tchart, int argc, const char *argv)

static int	parse_process (const struct option opt __maybe_unused, const char arg, int __maybe_unused unset)

static int	parse_highlight (const struct option opt __maybe_unused, const char arg, int __maybe_unused unset)

static int	parse_time (const struct option opt, const char arg, int __maybe_unused unset)

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

Variables
static struct process_filter *	process_filter

static u64	cpus_cstate_start_times [MAX_CPUS]

static int	cpus_cstate_state [MAX_CPUS]

static u64	cpus_pstate_start_times [MAX_CPUS]

static u64	cpus_pstate_state [MAX_CPUS]

static int	use_old_power_events

Macro Definition Documentation

◆ BYTES_THRESH

#define BYTES_THRESH (1 * 1024 * 1024)

Definition at line 1450 of file builtin-timechart.c.

◆ CSTATE

#define CSTATE 1

Definition at line 172 of file builtin-timechart.c.

◆ MAX_CPUS

#define MAX_CPUS 4096

Definition at line 308 of file builtin-timechart.c.

◆ PSTATE

#define PSTATE 2

Definition at line 173 of file builtin-timechart.c.

◆ PWR_EVENT_EXIT

#define PWR_EVENT_EXIT -1

Definition at line 47 of file builtin-timechart.c.

◆ SUPPORT_OLD_POWER_EVENTS

#define SUPPORT_OLD_POWER_EVENTS 1

Definition at line 46 of file builtin-timechart.c.

◆ TIME_THRESH

#define TIME_THRESH 10000000

Definition at line 1451 of file builtin-timechart.c.

◆ TYPE_BLOCKED

#define TYPE_BLOCKED 3

Definition at line 139 of file builtin-timechart.c.

◆ TYPE_NONE

#define TYPE_NONE 0

Definition at line 136 of file builtin-timechart.c.

◆ TYPE_RUNNING

#define TYPE_RUNNING 1

Definition at line 137 of file builtin-timechart.c.

◆ TYPE_WAITING

#define TYPE_WAITING 2

Definition at line 138 of file builtin-timechart.c.

Typedef Documentation

◆ tracepoint_handler

typedef int(* tracepoint_handler) (struct timechart *tchart, struct perf_evsel *evsel, struct perf_sample *sample, const char *backtrace)

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

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
IOTYPE_READ
IOTYPE_WRITE
IOTYPE_SYNC
IOTYPE_TX
IOTYPE_RX
IOTYPE_POLL

Definition at line 151 of file builtin-timechart.c.

Function Documentation

◆ __cmd_timechart()

static int __cmd_timechart	(	struct timechart *	tchart,
		const char *	output_name
	)

static

Definition at line 1537 of file builtin-timechart.c.

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◆ add_process_filter()

static void add_process_filter ( const char * string )

static

Definition at line 1305 of file builtin-timechart.c.

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◆ c_state_end()

static void c_state_end	(	struct timechart *	tchart,
		int	cpu,
		u64	timestamp
	)

static

Definition at line 355 of file builtin-timechart.c.

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◆ c_state_start()

static void c_state_start	(	int	cpu,
		u64	timestamp,
		int	state
	)

static

Definition at line 349 of file builtin-timechart.c.

◆ cat_backtrace()

static const char* cat_backtrace	(	union perf_event *	event,
		struct perf_sample *	sample,
		struct machine *	machine
	)

static

Definition at line 475 of file builtin-timechart.c.

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◆ cmd_timechart()

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

Definition at line 1923 of file builtin-timechart.c.

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◆ determine_display_io_tasks()

static int determine_display_io_tasks	(	struct timechart *	timechart,
		u64	threshold
	)

static

Definition at line 1418 of file builtin-timechart.c.

◆ determine_display_tasks()

static int determine_display_tasks	(	struct timechart *	tchart,
		u64	threshold
	)

static

Definition at line 1377 of file builtin-timechart.c.

◆ determine_display_tasks_filtered()

static int determine_display_tasks_filtered ( struct timechart * tchart )

static

Definition at line 1337 of file builtin-timechart.c.

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◆ draw_c_p_states()

static void draw_c_p_states ( struct timechart * tchart )

static

Definition at line 1012 of file builtin-timechart.c.

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◆ draw_cpu_usage()

static void draw_cpu_usage ( struct timechart * tchart )

static

Definition at line 1105 of file builtin-timechart.c.

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◆ draw_io_bars()

static void draw_io_bars ( struct timechart * tchart )

static

Definition at line 1133 of file builtin-timechart.c.

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◆ draw_process_bars()

static void draw_process_bars ( struct timechart * tchart )

static

Definition at line 1248 of file builtin-timechart.c.

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◆ draw_wakeups()

static void draw_wakeups ( struct timechart * tchart )

static

Definition at line 1037 of file builtin-timechart.c.

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◆ end_sample_processing()

static void end_sample_processing ( struct timechart * tchart )

static

Definition at line 678 of file builtin-timechart.c.

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◆ find_create_pid()

static struct per_pid* find_create_pid	(	struct timechart *	tchart,
		int	pid
	)

static

Definition at line 201 of file builtin-timechart.c.

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◆ p_state_change()

static void p_state_change	(	struct timechart *	tchart,
		int	cpu,
		u64	timestamp,
		u64	new_freq
	)

static

Definition at line 372 of file builtin-timechart.c.

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◆ parse_highlight()

static int parse_highlight	(	const struct option *opt	__maybe_unused,
		const char *	arg,
		int __maybe_unused	unset
	)

static

Definition at line 1883 of file builtin-timechart.c.

◆ parse_process()

static int parse_process	(	const struct option *opt	__maybe_unused,
		const char *	arg,
		int __maybe_unused	unset
	)

static

Definition at line 1874 of file builtin-timechart.c.

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◆ parse_time()

static int parse_time	(	const struct option *	opt,
		const char *	arg,
		int __maybe_unused	unset
	)

static

Definition at line 1900 of file builtin-timechart.c.

◆ passes_filter()

static int passes_filter	(	struct per_pid *	p,
		struct per_pidcomm *	c
	)

static

Definition at line 1320 of file builtin-timechart.c.

◆ pid_begin_io_sample()

static int pid_begin_io_sample	(	struct timechart *	tchart,
		int	pid,
		int	type,
		u64	start,
		int	fd
	)

static

Definition at line 720 of file builtin-timechart.c.

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◆ pid_end_io_sample()

static int pid_end_io_sample	(	struct timechart *	tchart,
		int	pid,
		int	type,
		u64	end,
		long	ret
	)

static

Definition at line 765 of file builtin-timechart.c.

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◆ pid_exit()

static void pid_exit	(	struct timechart *	tchart,
		int	pid,
		u64	timestamp
	)

static

Definition at line 260 of file builtin-timechart.c.

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◆ pid_fork()

static void pid_fork	(	struct timechart *	tchart,
		int	pid,
		int	ppid,
		u64	timestamp
	)

static

Definition at line 244 of file builtin-timechart.c.

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◆ pid_put_sample()

static void pid_put_sample	(	struct timechart *	tchart,
		int	pid,
		int	type,
		unsigned int	cpu,
		u64	start,
		u64	end,
		const char *	backtrace
	)

static

Definition at line 269 of file builtin-timechart.c.

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◆ pid_set_comm()

static void pid_set_comm	(	struct timechart *	tchart,
		int	pid,
		char *	comm
	)

static

Definition at line 218 of file builtin-timechart.c.

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◆ process_comm_event()

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

static

Definition at line 315 of file builtin-timechart.c.

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◆ process_enter_poll()

static int process_enter_poll	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 944 of file builtin-timechart.c.

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◆ process_enter_read()

static int process_enter_read	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 844 of file builtin-timechart.c.

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◆ process_enter_rx()

static int process_enter_rx	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 924 of file builtin-timechart.c.

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◆ process_enter_sync()

static int process_enter_sync	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 884 of file builtin-timechart.c.

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◆ process_enter_tx()

static int process_enter_tx	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 904 of file builtin-timechart.c.

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◆ process_enter_write()

static int process_enter_write	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 864 of file builtin-timechart.c.

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◆ process_exit_event()

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

static

Definition at line 335 of file builtin-timechart.c.

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◆ process_exit_poll()

static int process_exit_poll	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 954 of file builtin-timechart.c.

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◆ process_exit_read()

static int process_exit_read	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 854 of file builtin-timechart.c.

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◆ process_exit_rx()

static int process_exit_rx	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 934 of file builtin-timechart.c.

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◆ process_exit_sync()

static int process_exit_sync	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 894 of file builtin-timechart.c.

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◆ process_exit_tx()

static int process_exit_tx	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 914 of file builtin-timechart.c.

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◆ process_exit_write()

static int process_exit_write	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample
	)

static

Definition at line 874 of file builtin-timechart.c.

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◆ process_fork_event()

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

static

Definition at line 325 of file builtin-timechart.c.

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◆ process_header()

static int process_header	(	struct perf_file_section *section	__maybe_unused,
		struct perf_header *	ph,
		int	feat,
		int fd	__maybe_unused,
		void *	data
	)

static

Definition at line 1506 of file builtin-timechart.c.

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◆ process_sample_cpu_frequency()

static int process_sample_cpu_frequency	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		const char *backtrace	__maybe_unused
	)

static

Definition at line 595 of file builtin-timechart.c.

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◆ process_sample_cpu_idle()

static int process_sample_cpu_idle	(	struct timechart *tchart	__maybe_unused,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		const char *backtrace	__maybe_unused
	)

static

Definition at line 579 of file builtin-timechart.c.

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◆ process_sample_event()

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

static

Definition at line 554 of file builtin-timechart.c.

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◆ process_sample_power_end()

static int process_sample_power_end	(	struct timechart *	tchart,
		struct perf_evsel *evsel	__maybe_unused,
		struct perf_sample *	sample,
		const char *backtrace	__maybe_unused
	)

static

Definition at line 651 of file builtin-timechart.c.

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◆ process_sample_power_frequency()

static int process_sample_power_frequency	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		const char *backtrace	__maybe_unused
	)

static

Definition at line 661 of file builtin-timechart.c.

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◆ process_sample_power_start()

static int process_sample_power_start	(	struct timechart *tchart	__maybe_unused,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		const char *backtrace	__maybe_unused
	)

static

Definition at line 638 of file builtin-timechart.c.

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◆ process_sample_sched_switch()

static int process_sample_sched_switch	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		const char *	backtrace
	)

static

Definition at line 622 of file builtin-timechart.c.

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◆ process_sample_sched_wakeup()

static int process_sample_sched_wakeup	(	struct timechart *	tchart,
		struct perf_evsel *	evsel,
		struct perf_sample *	sample,
		const char *	backtrace
	)

static

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

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◆ sched_switch()

static void sched_switch	(	struct timechart *	tchart,
		int	cpu,
		u64	timestamp,
		int	prev_pid,
		int	next_pid,
		u64	prev_state,
		const char *	backtrace
	)

static

Definition at line 441 of file builtin-timechart.c.

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◆ sched_wakeup()

static void sched_wakeup	(	struct timechart *	tchart,
		int	cpu,
		u64	timestamp,
		int	waker,
		int	wakee,
		u8	flags,
		const char *	backtrace
	)

static

Definition at line 408 of file builtin-timechart.c.

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◆ sort_pids()

static void sort_pids ( struct timechart * tchart )

static

Definition at line 966 of file builtin-timechart.c.

◆ timechart__io_record()

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

static

Definition at line 1648 of file builtin-timechart.c.

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◆ timechart__record()

static int timechart__record	(	struct timechart *	tchart,
		int	argc,
		const char **	argv
	)

static

Definition at line 1783 of file builtin-timechart.c.

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◆ write_svg_file()

static void write_svg_file	(	struct timechart *	tchart,
		const char *	filename
	)

static

Definition at line 1453 of file builtin-timechart.c.

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Variable Documentation

◆ cpus_cstate_start_times

u64 cpus_cstate_start_times[MAX_CPUS]

static

Definition at line 310 of file builtin-timechart.c.

◆ cpus_cstate_state

int cpus_cstate_state[MAX_CPUS]

static

Definition at line 311 of file builtin-timechart.c.

◆ cpus_pstate_start_times

u64 cpus_pstate_start_times[MAX_CPUS]

static

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

◆ cpus_pstate_state

u64 cpus_pstate_state[MAX_CPUS]

static

Definition at line 313 of file builtin-timechart.c.

◆ process_filter

struct process_filter* process_filter

static

Definition at line 198 of file builtin-timechart.c.

◆ use_old_power_events

int use_old_power_events

static

Definition at line 346 of file builtin-timechart.c.

Classes

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

◆ BYTES_THRESH

◆ CSTATE

◆ MAX_CPUS

◆ PSTATE

◆ PWR_EVENT_EXIT

◆ SUPPORT_OLD_POWER_EVENTS

◆ TIME_THRESH

◆ TYPE_BLOCKED

◆ TYPE_NONE

◆ TYPE_RUNNING

◆ TYPE_WAITING

Typedef Documentation

◆ tracepoint_handler

Enumeration Type Documentation

◆ anonymous enum

Function Documentation

◆ __cmd_timechart()

◆ add_process_filter()

◆ c_state_end()

◆ c_state_start()

◆ cat_backtrace()

◆ cmd_timechart()

◆ determine_display_io_tasks()

◆ determine_display_tasks()

◆ determine_display_tasks_filtered()

◆ draw_c_p_states()

◆ draw_cpu_usage()

◆ draw_io_bars()

◆ draw_process_bars()

◆ draw_wakeups()

◆ end_sample_processing()

◆ find_create_pid()

◆ p_state_change()

◆ parse_highlight()

◆ parse_process()

◆ parse_time()

◆ passes_filter()

◆ pid_begin_io_sample()

◆ pid_end_io_sample()

◆ pid_exit()

◆ pid_fork()

◆ pid_put_sample()

◆ pid_set_comm()

◆ process_comm_event()

◆ process_enter_poll()

◆ process_enter_read()

◆ process_enter_rx()

◆ process_enter_sync()

◆ process_enter_tx()

◆ process_enter_write()

◆ process_exit_event()

◆ process_exit_poll()

◆ process_exit_read()

◆ process_exit_rx()

◆ process_exit_sync()

◆ process_exit_tx()

◆ process_exit_write()

◆ process_fork_event()

◆ process_header()

◆ process_sample_cpu_frequency()

◆ process_sample_cpu_idle()

◆ process_sample_event()

◆ process_sample_power_end()

◆ process_sample_power_frequency()

◆ process_sample_power_start()

◆ process_sample_sched_switch()

◆ process_sample_sched_wakeup()

◆ sched_switch()

◆ sched_wakeup()

◆ sort_pids()

◆ timechart__io_record()

◆ timechart__record()

◆ write_svg_file()