#include "builtin.h"
#include "perf.h"
#include "util/build-id.h"
#include "util/util.h"
#include <subcmd/parse-options.h>
#include "util/parse-events.h"
#include "util/config.h"
#include "util/callchain.h"
#include "util/cgroup.h"
#include "util/header.h"
#include "util/event.h"
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/debug.h"
#include "util/drv_configs.h"
#include "util/session.h"
#include "util/tool.h"
#include "util/symbol.h"
#include "util/cpumap.h"
#include "util/thread_map.h"
#include "util/data.h"
#include "util/perf_regs.h"
#include "util/auxtrace.h"
#include "util/tsc.h"
#include "util/parse-branch-options.h"
#include "util/parse-regs-options.h"
#include "util/llvm-utils.h"
#include "util/bpf-loader.h"
#include "util/trigger.h"
#include "util/perf-hooks.h"
#include "util/time-utils.h"
#include "util/units.h"
#include "asm/bug.h"
#include <errno.h>
#include <inttypes.h>
#include <locale.h>
#include <poll.h>
#include <unistd.h>
#include <sched.h>
#include <signal.h>
#include <sys/mman.h>
#include <sys/wait.h>
#include <linux/time64.h>

Include dependency graph for builtin-record.c:

Classes
struct	switch_output

struct	record

struct	clockid_map

Macros
#define	CLOCKID_MAP(n, c) { .name = n, .clockid = (c), }

#define	CLOCKID_END { .name = NULL, }

#define	CLOCK_MONOTONIC_RAW 4

#define	CLOCK_BOOTTIME 7

#define	CLOCK_TAI 11

#define	set_nobuild(s, l, c) set_option_nobuild(record_options, s, l, "NO_LIBBPF=1", c)

#define	REASON "NO_DWARF=1"

#define	set_nobuild(s, l, c) set_option_nobuild(record_options, s, l, REASON, c)

Functions
static	DEFINE_TRIGGER (auxtrace_snapshot_trigger)

static	DEFINE_TRIGGER (switch_output_trigger)

static bool	switch_output_signal (struct record *rec)

static bool	switch_output_size (struct record *rec)

static bool	switch_output_time (struct record *rec)

static int	record__write (struct record rec, void bf, size_t size)

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

static int	record__pushfn (void to, void bf, size_t size)

static void	sig_handler (int sig)

static void	sigsegv_handler (int sig)

static void	record__sig_exit (void)

static int	record__auxtrace_mmap_read (struct record rec __maybe_unused, struct auxtrace_mmap mm __maybe_unused)

static void	record__read_auxtrace_snapshot (struct record *rec __maybe_unused)

static int	auxtrace_record__snapshot_start (struct auxtrace_record *itr __maybe_unused)

static int	record__auxtrace_init (struct record *rec __maybe_unused)

static int	record__mmap_evlist (struct record rec, struct perf_evlist evlist)

static int	record__mmap (struct record *rec)

static int	record__open (struct record *rec)

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_buildids (struct record *rec)

static void	perf_event__synthesize_guest_os (struct machine machine, void data)

static int	record__mmap_read_evlist (struct record rec, struct perf_evlist evlist, bool overwrite)

static int	record__mmap_read_all (struct record *rec)

static void	record__init_features (struct record *rec)

static void	record__finish_output (struct record *rec)

static int	record__synthesize_workload (struct record *rec, bool tail)

static int	record__synthesize (struct record *rec, bool tail)

static int	record__switch_output (struct record *rec, bool at_exit)

static void	workload_exec_failed_signal (int signo __maybe_unused, siginfo_t info, void ucontext __maybe_unused)

static void	snapshot_sig_handler (int sig)

static void	alarm_sig_handler (int sig)

int __weak	perf_event__synth_time_conv (const struct perf_event_mmap_page pc __maybe_unused, struct perf_tool tool __maybe_unused, perf_event__handler_t process __maybe_unused, struct machine *machine __maybe_unused)

static const struct perf_event_mmap_page *	perf_evlist__pick_pc (struct perf_evlist *evlist)

static const struct perf_event_mmap_page *	record__pick_pc (struct record *rec)

static int	__cmd_record (struct record rec, int argc, const char *argv)

static void	callchain_debug (struct callchain_param *callchain)

int	record_opts__parse_callchain (struct record_opts record, struct callchain_param callchain, const char *arg, bool unset)

int	record_parse_callchain_opt (const struct option opt, const char arg, int unset)

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

static int	perf_record_config (const char var, const char value, void *cb)

static int	parse_clockid (const struct option opt, const char str, int unset)

static int	record__parse_mmap_pages (const struct option opt, const char str, int unset __maybe_unused)

static void	switch_output_size_warn (struct record *rec)

static int	switch_output_setup (struct record *rec)

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

Variables
static volatile int	auxtrace_record__snapshot_started

static volatile int	done

static volatile int	signr = -1

static volatile int	child_finished

static struct perf_event_header	finished_round_event

static volatile int	workload_exec_errno

static const struct clockid_map	clockids []

static const char *const	__record_usage []

const char const	record_usage = __record_usage

static struct record	record

const char	record_callchain_help []

static bool	dry_run

static struct option	__record_options []

struct option *	record_options = __record_options

Macro Definition Documentation

◆ CLOCK_BOOTTIME

#define CLOCK_BOOTTIME 7

Definition at line 1312 of file builtin-record.c.

◆ CLOCK_MONOTONIC_RAW

#define CLOCK_MONOTONIC_RAW 4

Definition at line 1309 of file builtin-record.c.

◆ CLOCK_TAI

#define CLOCK_TAI 11

Definition at line 1315 of file builtin-record.c.

◆ CLOCKID_END

#define CLOCKID_END { .name = NULL, }

Definition at line 1302 of file builtin-record.c.

◆ CLOCKID_MAP

#define CLOCKID_MAP	(	n,
		c
	)	{ .name = n, .clockid = (c), }

Definition at line 1299 of file builtin-record.c.

◆ REASON

#define REASON "NO_DWARF=1"

◆ set_nobuild [1/2]

#define set_nobuild	(	s,
		l,
		c
	)	set_option_nobuild(record_options, s, l, "NO_LIBBPF=1", c)

◆ set_nobuild [2/2]

#define set_nobuild	(	s,
		l,
		c
	)	set_option_nobuild(record_options, s, l, REASON, c)

Function Documentation

◆ __cmd_record()

static int __cmd_record	(	struct record *	rec,
		int	argc,
		const char **	argv
	)

static

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

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◆ alarm_sig_handler()

static void alarm_sig_handler ( int sig __maybe_unused )

static

Definition at line 1896 of file builtin-record.c.

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◆ auxtrace_record__snapshot_start()

static int auxtrace_record__snapshot_start ( struct auxtrace_record *itr __maybe_unused )

inlinestatic

Definition at line 309 of file builtin-record.c.

◆ callchain_debug()

static void callchain_debug ( struct callchain_param * callchain )

static

Definition at line 1213 of file builtin-record.c.

◆ cmd_record()

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

Definition at line 1686 of file builtin-record.c.

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◆ DEFINE_TRIGGER() [1/2]

static DEFINE_TRIGGER ( auxtrace_snapshot_trigger )

static

◆ DEFINE_TRIGGER() [2/2]

static DEFINE_TRIGGER ( switch_output_trigger )

static

◆ parse_clockid()

static int parse_clockid	(	const struct option *	opt,
		const char *	str,
		int	unset
	)

static

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

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◆ perf_event__synth_time_conv()

int __weak perf_event__synth_time_conv	(	const struct perf_event_mmap_page *pc	__maybe_unused,
		struct perf_tool *tool	__maybe_unused,
		perf_event__handler_t process	__maybe_unused,
		struct machine *machine	__maybe_unused
	)

Definition at line 713 of file builtin-record.c.

◆ perf_event__synthesize_guest_os()

static void perf_event__synthesize_guest_os	(	struct machine *	machine,
		void *	data
	)

static

Definition at line 479 of file builtin-record.c.

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◆ perf_evlist__pick_pc()

static const struct perf_event_mmap_page* perf_evlist__pick_pc ( struct perf_evlist * evlist )

static

Definition at line 722 of file builtin-record.c.

◆ perf_record_config()

static int perf_record_config	(	const char *	var,
		const char *	value,
		void *	cb
	)

static

Definition at line 1271 of file builtin-record.c.

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◆ process_buildids()

static int process_buildids ( struct record * rec )

static

Definition at line 448 of file builtin-record.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 428 of file builtin-record.c.

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◆ process_synthesized_event()

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

static

Definition at line 124 of file builtin-record.c.

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◆ record__auxtrace_init()

static int record__auxtrace_init ( struct record *rec __maybe_unused )

static

Definition at line 314 of file builtin-record.c.

◆ record__auxtrace_mmap_read()

static int record__auxtrace_mmap_read	(	struct record *rec	__maybe_unused,
		struct auxtrace_mmap *mm	__maybe_unused
	)

inlinestatic

Definition at line 297 of file builtin-record.c.

◆ record__finish_output()

static void record__finish_output ( struct record * rec )

static

Definition at line 596 of file builtin-record.c.

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◆ record__init_features()

static void record__init_features ( struct record * rec )

static

Definition at line 572 of file builtin-record.c.

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◆ record__mmap()

static int record__mmap ( struct record * rec )

static

Definition at line 350 of file builtin-record.c.

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◆ record__mmap_evlist()

static int record__mmap_evlist	(	struct record *	rec,
		struct perf_evlist *	evlist
	)

static

Definition at line 321 of file builtin-record.c.

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◆ record__mmap_read_all()

static int record__mmap_read_all ( struct record * rec )

static

Definition at line 561 of file builtin-record.c.

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◆ record__mmap_read_evlist()

static int record__mmap_read_evlist	(	struct record *	rec,
		struct perf_evlist *	evlist,
		bool	overwrite
	)

static

Definition at line 513 of file builtin-record.c.

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◆ record__open()

static int record__open ( struct record * rec )

static

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

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◆ record__parse_mmap_pages()

static int record__parse_mmap_pages	(	const struct option *	opt,
		const char *	str,
		int unset	__maybe_unused
	)

static

Definition at line 1378 of file builtin-record.c.

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◆ record__pick_pc()

static const struct perf_event_mmap_page* record__pick_pc ( struct record * rec )

static

Definition at line 733 of file builtin-record.c.

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◆ record__pushfn()

static int record__pushfn	(	void *	to,
		void *	bf,
		size_t	size
	)

static

Definition at line 133 of file builtin-record.c.

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◆ record__read_auxtrace_snapshot()

static void record__read_auxtrace_snapshot ( struct record *rec __maybe_unused )

inlinestatic

Definition at line 304 of file builtin-record.c.

◆ record__sig_exit()

static void record__sig_exit ( void )

static

Definition at line 161 of file builtin-record.c.

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◆ record__switch_output()

static int record__switch_output	(	struct record *	rec,
		bool	at_exit
	)

static

Definition at line 642 of file builtin-record.c.

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◆ record__synthesize()

static int record__synthesize	(	struct record *	rec,
		bool	tail
	)

static

Definition at line 743 of file builtin-record.c.

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◆ record__synthesize_workload()

static int record__synthesize_workload	(	struct record *	rec,
		bool	tail
	)

static

Definition at line 618 of file builtin-record.c.

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◆ record__write()

static int record__write	(	struct record *	rec,
		void *	bf,
		size_t	size
	)

static

Definition at line 109 of file builtin-record.c.

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◆ record_callchain_opt()

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

Definition at line 1256 of file builtin-record.c.

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◆ record_opts__parse_callchain()

int record_opts__parse_callchain	(	struct record_opts *	record,
		struct callchain_param *	callchain,
		const char *	arg,
		bool	unset
	)

Definition at line 1224 of file builtin-record.c.

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◆ record_parse_callchain_opt()

int record_parse_callchain_opt	(	const struct option *	opt,
		const char *	arg,
		int	unset
	)

Definition at line 1249 of file builtin-record.c.

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◆ sig_handler()

static void sig_handler ( int sig )

static

Definition at line 145 of file builtin-record.c.

◆ sigsegv_handler()

static void sigsegv_handler ( int sig )

static

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

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◆ snapshot_sig_handler()

static void snapshot_sig_handler ( int sig __maybe_unused )

static

Definition at line 1881 of file builtin-record.c.

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◆ switch_output_setup()

static int switch_output_setup ( struct record * rec )

static

Definition at line 1438 of file builtin-record.c.

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◆ switch_output_signal()

static bool switch_output_signal ( struct record * rec )

static

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

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◆ switch_output_size()

static bool switch_output_size ( struct record * rec )

static

Definition at line 96 of file builtin-record.c.

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◆ switch_output_size_warn()

static void switch_output_size_warn ( struct record * rec )

static

Definition at line 1421 of file builtin-record.c.

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◆ switch_output_time()

static bool switch_output_time ( struct record * rec )

static

Definition at line 103 of file builtin-record.c.

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◆ workload_exec_failed_signal()

static void workload_exec_failed_signal	(	int signo	__maybe_unused,
		siginfo_t *	info,
		void *ucontext	__maybe_unused
	)

static

Definition at line 700 of file builtin-record.c.

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Variable Documentation

◆ __record_options

struct option __record_options[]

static

Definition at line 1547 of file builtin-record.c.

◆ __record_usage

const char* const __record_usage[]

static

Initial value:

= {
    "perf record [<options>] [<command>]",
    "perf record [<options>] -- <command> [<options>]",
    NULL
}

Definition at line 1493 of file builtin-record.c.

◆ auxtrace_record__snapshot_started

volatile int auxtrace_record__snapshot_started

static

Definition at line 86 of file builtin-record.c.

◆ child_finished

volatile int child_finished

static

Definition at line 143 of file builtin-record.c.

◆ clockids

const struct clockid_map clockids[]

static

Initial value:

= {
    
    CLOCKID_MAP("monotonic", CLOCK_MONOTONIC),
    CLOCKID_MAP("monotonic_raw", CLOCK_MONOTONIC_RAW),
    
    CLOCKID_MAP("realtime", CLOCK_REALTIME),
    CLOCKID_MAP("boottime", CLOCK_BOOTTIME),
    CLOCKID_MAP("tai", CLOCK_TAI),
    
    CLOCKID_MAP("mono", CLOCK_MONOTONIC),
    CLOCKID_MAP("raw", CLOCK_MONOTONIC_RAW),
    CLOCKID_MAP("real", CLOCK_REALTIME),
    CLOCKID_MAP("boot", CLOCK_BOOTTIME),
    CLOCKID_END,
}

Definition at line 1318 of file builtin-record.c.

◆ done

volatile int done

static

Definition at line 141 of file builtin-record.c.

◆ dry_run

bool dry_run

static

Definition at line 1538 of file builtin-record.c.

◆ finished_round_event

struct perf_event_header finished_round_event

static

Initial value:

= {
    .size = sizeof(struct perf_event_header),
    .type = PERF_RECORD_FINISHED_ROUND,
}

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

◆ record

struct record record

static

Initial value:

= {
    .opts = {
        .sample_time         = true,
        .mmap_pages      = UINT_MAX,
        .user_freq       = UINT_MAX,
        .user_interval       = ULLONG_MAX,
        .freq            = 4000,
        .target          = {
            .uses_mmap   = true,
            .default_per_cpu = true,
        },
        .proc_map_timeout     = 500,
    },
    .tool = {
        .sample     = process_sample_event,
        .fork       = perf_event__process_fork,
        .exit       = perf_event__process_exit,
        .comm       = perf_event__process_comm,
        .namespaces = perf_event__process_namespaces,
        .mmap       = perf_event__process_mmap,
        .mmap2      = perf_event__process_mmap2,
        .ordered_events = true,
    },
}

Definition at line 1510 of file builtin-record.c.

◆ record_callchain_help

const char record_callchain_help[]

Initial value:

= CALLCHAIN_RECORD_HELP

"\n\t\t\t\tDefault: fp"

CALLCHAIN_RECORD_HELP

#define CALLCHAIN_RECORD_HELP

Definition: callchain.h:23

Definition at line 1535 of file builtin-record.c.

◆ record_options

struct option* record_options = __record_options

Definition at line 1684 of file builtin-record.c.

◆ record_usage

const char* const* record_usage = __record_usage

Definition at line 1498 of file builtin-record.c.

◆ signr

volatile int signr = -1

static

Definition at line 142 of file builtin-record.c.

◆ workload_exec_errno

volatile int workload_exec_errno

static

Definition at line 693 of file builtin-record.c.

Classes

Macros

Functions

Variables

Macro Definition Documentation

◆ CLOCK_BOOTTIME

◆ CLOCK_MONOTONIC_RAW

◆ CLOCK_TAI

◆ CLOCKID_END

◆ CLOCKID_MAP

◆ REASON

◆ set_nobuild [1/2]

◆ set_nobuild [2/2]

Function Documentation

◆ __cmd_record()

◆ alarm_sig_handler()

◆ auxtrace_record__snapshot_start()

◆ callchain_debug()

◆ cmd_record()

◆ DEFINE_TRIGGER() [1/2]

◆ DEFINE_TRIGGER() [2/2]

◆ parse_clockid()

◆ perf_event__synth_time_conv()

◆ perf_event__synthesize_guest_os()

◆ perf_evlist__pick_pc()

◆ perf_record_config()

◆ process_buildids()

◆ process_sample_event()

◆ process_synthesized_event()

◆ record__auxtrace_init()

◆ record__auxtrace_mmap_read()

◆ record__finish_output()

◆ record__init_features()

◆ record__mmap()

◆ record__mmap_evlist()

◆ record__mmap_read_all()

◆ record__mmap_read_evlist()

◆ record__open()

◆ record__parse_mmap_pages()

◆ record__pick_pc()

◆ record__pushfn()

◆ record__read_auxtrace_snapshot()

◆ record__sig_exit()

◆ record__switch_output()

◆ record__synthesize()

◆ record__synthesize_workload()

◆ record__write()

◆ record_callchain_opt()

◆ record_opts__parse_callchain()

◆ record_parse_callchain_opt()

◆ sig_handler()

◆ sigsegv_handler()

◆ snapshot_sig_handler()

◆ switch_output_setup()

◆ switch_output_signal()

◆ switch_output_size()

◆ switch_output_size_warn()

◆ switch_output_time()

◆ workload_exec_failed_signal()

Variable Documentation

◆ __record_options

◆ __record_usage

◆ auxtrace_record__snapshot_started

◆ child_finished

◆ clockids

◆ done

◆ dry_run

◆ finished_round_event

◆ record

◆ record_callchain_help

◆ record_options

◆ record_usage

◆ signr

◆ workload_exec_errno