event.c File Reference

#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <uapi/linux/mman.h>
#include <api/fs/fs.h>
#include <linux/perf_event.h>
#include "event.h"
#include "debug.h"
#include "hist.h"
#include "machine.h"
#include "sort.h"
#include "string2.h"
#include "strlist.h"
#include "thread.h"
#include "thread_map.h"
#include "sane_ctype.h"
#include "symbol/kallsyms.h"
#include "asm/bug.h"
#include "stat.h"

Include dependency graph for event.c:

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Classes
struct	synthesize_threads_arg
struct	process_symbol_args

Macros
#define	ADD(__term, __val)
#define	CASE(__term, __val)

Functions
const char *	perf_event__name (unsigned int id)
static const char *	perf_ns__name (unsigned int id)
int	perf_tool__process_synth_event (struct perf_tool *tool, union perf_event *event, struct machine *machine, perf_event__handler_t process)
static int	perf_event__get_comm_ids (pid_t pid, char *comm, size_t len, pid_t *tgid, pid_t *ppid)
static int	perf_event__prepare_comm (union perf_event *event, pid_t pid, struct machine *machine, pid_t *tgid, pid_t *ppid)
pid_t	perf_event__synthesize_comm (struct perf_tool *tool, union perf_event *event, pid_t pid, perf_event__handler_t process, struct machine *machine)
static void	perf_event__get_ns_link_info (pid_t pid, const char *ns, struct perf_ns_link_info *ns_link_info)
int	perf_event__synthesize_namespaces (struct perf_tool *tool, union perf_event *event, pid_t pid, pid_t tgid, perf_event__handler_t process, struct machine *machine)
static int	perf_event__synthesize_fork (struct perf_tool *tool, union perf_event *event, pid_t pid, pid_t tgid, pid_t ppid, perf_event__handler_t process, struct machine *machine)
int	perf_event__synthesize_mmap_events (struct perf_tool *tool, union perf_event *event, pid_t pid, pid_t tgid, perf_event__handler_t process, struct machine *machine, bool mmap_data, unsigned int proc_map_timeout)
int	perf_event__synthesize_modules (struct perf_tool *tool, perf_event__handler_t process, struct machine *machine)
static int	__event__synthesize_thread (union perf_event *comm_event, union perf_event *mmap_event, union perf_event *fork_event, union perf_event *namespaces_event, pid_t pid, int full, perf_event__handler_t process, struct perf_tool *tool, struct machine *machine, bool mmap_data, unsigned int proc_map_timeout)
int	perf_event__synthesize_thread_map (struct perf_tool *tool, struct thread_map *threads, perf_event__handler_t process, struct machine *machine, bool mmap_data, unsigned int proc_map_timeout)
static int	__perf_event__synthesize_threads (struct perf_tool *tool, perf_event__handler_t process, struct machine *machine, bool mmap_data, unsigned int proc_map_timeout, struct dirent **dirent, int start, int num)
static void *	synthesize_threads_worker (void *arg)
int	perf_event__synthesize_threads (struct perf_tool *tool, perf_event__handler_t process, struct machine *machine, bool mmap_data, unsigned int proc_map_timeout, unsigned int nr_threads_synthesize)
static int	find_symbol_cb (void *arg, const char *name, char type, u64 start)
int	kallsyms__get_function_start (const char *kallsyms_filename, const char *symbol_name, u64 *addr)
int __weak	perf_event__synthesize_extra_kmaps (struct perf_tool *tool __maybe_unused, perf_event__handler_t process __maybe_unused, struct machine *machine __maybe_unused)
static int	__perf_event__synthesize_kernel_mmap (struct perf_tool *tool, perf_event__handler_t process, struct machine *machine)
int	perf_event__synthesize_kernel_mmap (struct perf_tool *tool, perf_event__handler_t process, struct machine *machine)
int	perf_event__synthesize_thread_map2 (struct perf_tool *tool, struct thread_map *threads, perf_event__handler_t process, struct machine *machine)
static void	synthesize_cpus (struct cpu_map_entries *cpus, struct cpu_map *map)
static void	synthesize_mask (struct cpu_map_mask *mask, struct cpu_map *map, int max)
static size_t	cpus_size (struct cpu_map *map)
static size_t	mask_size (struct cpu_map *map, int *max)
void *	cpu_map_data__alloc (struct cpu_map *map, size_t *size, u16 *type, int *max)
void	cpu_map_data__synthesize (struct cpu_map_data *data, struct cpu_map *map, u16 type, int max)
static struct cpu_map_event *	cpu_map_event__new (struct cpu_map *map)
int	perf_event__synthesize_cpu_map (struct perf_tool *tool, struct cpu_map *map, perf_event__handler_t process, struct machine *machine)
int	perf_event__synthesize_stat_config (struct perf_tool *tool, struct perf_stat_config *config, perf_event__handler_t process, struct machine *machine)
int	perf_event__synthesize_stat (struct perf_tool *tool, u32 cpu, u32 thread, u64 id, struct perf_counts_values *count, perf_event__handler_t process, struct machine *machine)
int	perf_event__synthesize_stat_round (struct perf_tool *tool, u64 evtime, u64 type, perf_event__handler_t process, struct machine *machine)
void	perf_event__read_stat_config (struct perf_stat_config *config, struct stat_config_event *event)
size_t	perf_event__fprintf_comm (union perf_event *event, FILE *fp)
size_t	perf_event__fprintf_namespaces (union perf_event *event, FILE *fp)
int	perf_event__process_comm (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine)
int	perf_event__process_namespaces (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine)
int	perf_event__process_lost (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine)
int	perf_event__process_aux (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine)
int	perf_event__process_itrace_start (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine)
int	perf_event__process_lost_samples (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine)
int	perf_event__process_switch (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine)
size_t	perf_event__fprintf_mmap (union perf_event *event, FILE *fp)
size_t	perf_event__fprintf_mmap2 (union perf_event *event, FILE *fp)
size_t	perf_event__fprintf_thread_map (union perf_event *event, FILE *fp)
size_t	perf_event__fprintf_cpu_map (union perf_event *event, FILE *fp)
int	perf_event__process_mmap (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine)
int	perf_event__process_mmap2 (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine)
size_t	perf_event__fprintf_task (union perf_event *event, FILE *fp)
int	perf_event__process_fork (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine)
int	perf_event__process_exit (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine)
size_t	perf_event__fprintf_aux (union perf_event *event, FILE *fp)
size_t	perf_event__fprintf_itrace_start (union perf_event *event, FILE *fp)
size_t	perf_event__fprintf_switch (union perf_event *event, FILE *fp)
static size_t	perf_event__fprintf_lost (union perf_event *event, FILE *fp)
size_t	perf_event__fprintf (union perf_event *event, FILE *fp)
int	perf_event__process (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine)
struct map *	thread__find_map (struct thread *thread, u8 cpumode, u64 addr, struct addr_location *al)
struct symbol *	thread__find_symbol (struct thread *thread, u8 cpumode, u64 addr, struct addr_location *al)
int	machine__resolve (struct machine *machine, struct addr_location *al, struct perf_sample *sample)
void	addr_location__put (struct addr_location *al)
bool	is_bts_event (struct perf_event_attr *attr)
bool	sample_addr_correlates_sym (struct perf_event_attr *attr)
void	thread__resolve (struct thread *thread, struct addr_location *al, struct perf_sample *sample)

Variables
static const char *	perf_event__names []
static const char *	perf_ns__names []

Macro Definition Documentation

ADD

#define ADD	(		__term,
			__val
	)

Value:

event->data[i].tag = PERF_STAT_CONFIG_TERM__##__term;   \
    event->data[i].val = __val;             \
    i++;

CASE

#define CASE	(		__term,
			__val
	)

Value:

case PERF_STAT_CONFIG_TERM__##__term:       \
            config->__val = event->data[i].val; \
            break;

Function Documentation

__event__synthesize_thread()

static int __event__synthesize_thread ( union perf_event *  comm_event, union perf_event *  mmap_event, union perf_event *  fork_event, union perf_event *  namespaces_event, pid_t  pid, int  full, perf_event__handler_t  process, struct perf_tool *  tool, struct machine *  machine, bool  mmap_data, unsigned int  proc_map_timeout  )

static

Definition at line 515 of file event.c.

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__perf_event__synthesize_kernel_mmap()

static int __perf_event__synthesize_kernel_mmap ( struct perf_tool *  tool, perf_event__handler_t  process, struct machine *  machine  )

static

Definition at line 898 of file event.c.

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__perf_event__synthesize_threads()

static int __perf_event__synthesize_threads ( struct perf_tool *  tool, perf_event__handler_t  process, struct machine *  machine, bool  mmap_data, unsigned int  proc_map_timeout, struct dirent **  dirent, int  start, int  num  )

static

Definition at line 681 of file event.c.

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addr_location__put()

void addr_location__put

(

struct addr_location *

al

)

Definition at line 1661 of file event.c.

cpu_map_data__alloc()

void* cpu_map_data__alloc	(	struct cpu_map *	map,
		size_t *	size,
		u16 *	type,
		int *	max
	)

Definition at line 1047 of file event.c.

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cpu_map_data__synthesize()

void cpu_map_data__synthesize	(	struct cpu_map_data *	data,
		struct cpu_map *	map,
		u16	type,
		int	max
	)

Definition at line 1080 of file event.c.

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cpu_map_event__new()

static struct cpu_map_event* cpu_map_event__new ( struct cpu_map *  map )

static

Definition at line 1096 of file event.c.

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cpus_size()

static size_t cpus_size ( struct cpu_map *  map )

static

Definition at line 1025 of file event.c.

find_symbol_cb()

static int find_symbol_cb ( void *  arg, const char *  name, char  type, u64  start  )

static

Definition at line 862 of file event.c.

is_bts_event()

bool is_bts_event

(

struct perf_event_attr *

attr

)

Definition at line 1666 of file event.c.

kallsyms__get_function_start()

int kallsyms__get_function_start	(	const char *	kallsyms_filename,
		const char *	symbol_name,
		u64 *	addr
	)

Definition at line 879 of file event.c.

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machine__resolve()

int machine__resolve	(	struct machine *	machine,
		struct addr_location *	al,
		struct perf_sample *	sample
	)

Definition at line 1601 of file event.c.

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mask_size()

static size_t mask_size ( struct cpu_map *  map, int *  max  )

static

Definition at line 1030 of file event.c.

perf_event__fprintf()

size_t perf_event__fprintf	(	union perf_event *	event,
		FILE *	fp
	)

Definition at line 1461 of file event.c.

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perf_event__fprintf_aux()

size_t perf_event__fprintf_aux	(	union perf_event *	event,
		FILE *	fp
	)

Definition at line 1424 of file event.c.

perf_event__fprintf_comm()

size_t perf_event__fprintf_comm	(	union perf_event *	event,
		FILE *	fp
	)

Definition at line 1234 of file event.c.

perf_event__fprintf_cpu_map()

size_t perf_event__fprintf_cpu_map	(	union perf_event *	event,
		FILE *	fp
	)

Definition at line 1369 of file event.c.

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perf_event__fprintf_itrace_start()

size_t perf_event__fprintf_itrace_start	(	union perf_event *	event,
		FILE *	fp
	)

Definition at line 1434 of file event.c.

perf_event__fprintf_lost()

static size_t perf_event__fprintf_lost ( union perf_event *  event, FILE *  fp  )

static

Definition at line 1456 of file event.c.

perf_event__fprintf_mmap()

size_t perf_event__fprintf_mmap	(	union perf_event *	event,
		FILE *	fp
	)

Definition at line 1329 of file event.c.

perf_event__fprintf_mmap2()

size_t perf_event__fprintf_mmap2	(	union perf_event *	event,
		FILE *	fp
	)

Definition at line 1338 of file event.c.

perf_event__fprintf_namespaces()

size_t perf_event__fprintf_namespaces	(	union perf_event *	event,
		FILE *	fp
	)

Definition at line 1246 of file event.c.

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perf_event__fprintf_switch()

size_t perf_event__fprintf_switch	(	union perf_event *	event,
		FILE *	fp
	)

Definition at line 1440 of file event.c.

perf_event__fprintf_task()

size_t perf_event__fprintf_task	(	union perf_event *	event,
		FILE *	fp
	)

Definition at line 1401 of file event.c.

perf_event__fprintf_thread_map()

size_t perf_event__fprintf_thread_map	(	union perf_event *	event,
		FILE *	fp
	)

Definition at line 1353 of file event.c.

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perf_event__get_comm_ids()

static int perf_event__get_comm_ids ( pid_t  pid, char *  comm, size_t  len, pid_t *  tgid, pid_t *  ppid  )

static

Definition at line 113 of file event.c.

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perf_event__get_ns_link_info()

static void perf_event__get_ns_link_info ( pid_t  pid, const char *  ns, struct perf_ns_link_info *  ns_link_info  )

static

Definition at line 236 of file event.c.

perf_event__name()

const char* perf_event__name

(

unsigned int

id

)

Definition at line 75 of file event.c.

perf_event__prepare_comm()

static int perf_event__prepare_comm ( union perf_event *  event, pid_t  pid, struct machine *  machine, pid_t *  tgid, pid_t *  ppid  )

static

Definition at line 183 of file event.c.

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perf_event__process()

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

Definition at line 1503 of file event.c.

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perf_event__process_aux()

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

Definition at line 1297 of file event.c.

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perf_event__process_comm()

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

Definition at line 1273 of file event.c.

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perf_event__process_exit()

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

Definition at line 1416 of file event.c.

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perf_event__process_fork()

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

Definition at line 1408 of file event.c.

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perf_event__process_itrace_start()

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

Definition at line 1305 of file event.c.

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perf_event__process_lost()

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

Definition at line 1289 of file event.c.

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perf_event__process_lost_samples()

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

Definition at line 1313 of file event.c.

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perf_event__process_mmap()

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

Definition at line 1385 of file event.c.

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perf_event__process_mmap2()

int perf_event__process_mmap2	(	struct perf_tool *tool	__maybe_unused,
		union perf_event *	event,
		struct perf_sample *	sample,
		struct machine *	machine
	)

Definition at line 1393 of file event.c.

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perf_event__process_namespaces()

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

Definition at line 1281 of file event.c.

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perf_event__process_switch()

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

Definition at line 1321 of file event.c.

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perf_event__read_stat_config()

void perf_event__read_stat_config	(	struct perf_stat_config *	config,
		struct stat_config_event *	event
	)

Definition at line 1210 of file event.c.

perf_event__synthesize_comm()

pid_t perf_event__synthesize_comm	(	struct perf_tool *	tool,
		union perf_event *	event,
		pid_t	pid,
		perf_event__handler_t	process,
		struct machine *	machine
	)

Definition at line 220 of file event.c.

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perf_event__synthesize_cpu_map()

int perf_event__synthesize_cpu_map	(	struct perf_tool *	tool,
		struct cpu_map *	map,
		perf_event__handler_t	process,
		struct machine *	machine
	)

Definition at line 1115 of file event.c.

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perf_event__synthesize_extra_kmaps()

int __weak perf_event__synthesize_extra_kmaps	(	struct perf_tool *tool	__maybe_unused,
		perf_event__handler_t process	__maybe_unused,
		struct machine *machine	__maybe_unused
	)

Definition at line 891 of file event.c.

perf_event__synthesize_fork()

static int perf_event__synthesize_fork ( struct perf_tool *  tool, union perf_event *  event, pid_t  pid, pid_t  tgid, pid_t  ppid, perf_event__handler_t  process, struct machine *  machine  )

static

Definition at line 288 of file event.c.

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perf_event__synthesize_kernel_mmap()

int perf_event__synthesize_kernel_mmap	(	struct perf_tool *	tool,
		perf_event__handler_t	process,
		struct machine *	machine
	)

Definition at line 953 of file event.c.

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perf_event__synthesize_mmap_events()

int perf_event__synthesize_mmap_events	(	struct perf_tool *	tool,
		union perf_event *	event,
		pid_t	pid,
		pid_t	tgid,
		perf_event__handler_t	process,
		struct machine *	machine,
		bool	mmap_data,
		unsigned int	proc_map_timeout
	)

Definition at line 320 of file event.c.

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perf_event__synthesize_modules()

int perf_event__synthesize_modules	(	struct perf_tool *	tool,
		perf_event__handler_t	process,
		struct machine *	machine
	)

Definition at line 461 of file event.c.

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perf_event__synthesize_namespaces()

int perf_event__synthesize_namespaces	(	struct perf_tool *	tool,
		union perf_event *	event,
		pid_t	pid,
		pid_t	tgid,
		perf_event__handler_t	process,
		struct machine *	machine
	)

Definition at line 249 of file event.c.

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perf_event__synthesize_stat()

int perf_event__synthesize_stat	(	struct perf_tool *	tool,
		u32	cpu,
		u32	thread,
		u64	id,
		struct perf_counts_values *	count,
		perf_event__handler_t	process,
		struct machine *	machine
	)

Definition at line 1171 of file event.c.

perf_event__synthesize_stat_config()

int perf_event__synthesize_stat_config	(	struct perf_tool *	tool,
		struct perf_stat_config *	config,
		perf_event__handler_t	process,
		struct machine *	machine
	)

Definition at line 1133 of file event.c.

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perf_event__synthesize_stat_round()

int perf_event__synthesize_stat_round	(	struct perf_tool *	tool,
		u64	evtime,
		u64	type,
		perf_event__handler_t	process,
		struct machine *	machine
	)

Definition at line 1193 of file event.c.

perf_event__synthesize_thread_map()

int perf_event__synthesize_thread_map	(	struct perf_tool *	tool,
		struct thread_map *	threads,
		perf_event__handler_t	process,
		struct machine *	machine,
		bool	mmap_data,
		unsigned int	proc_map_timeout
	)

Definition at line 603 of file event.c.

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perf_event__synthesize_thread_map2()

int perf_event__synthesize_thread_map2	(	struct perf_tool *	tool,
		struct thread_map *	threads,
		perf_event__handler_t	process,
		struct machine *	machine
	)

Definition at line 966 of file event.c.

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perf_event__synthesize_threads()

int perf_event__synthesize_threads	(	struct perf_tool *	tool,
		perf_event__handler_t	process,
		struct machine *	machine,
		bool	mmap_data,
		unsigned int	proc_map_timeout,
		unsigned int	nr_threads_synthesize
	)

Definition at line 767 of file event.c.

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perf_ns__name()

static const char* perf_ns__name ( unsigned int  id )

static

Definition at line 84 of file event.c.

perf_tool__process_synth_event()

int perf_tool__process_synth_event	(	struct perf_tool *	tool,
		union perf_event *	event,
		struct machine *	machine,
		perf_event__handler_t	process
	)

Definition at line 91 of file event.c.

sample_addr_correlates_sym()

bool sample_addr_correlates_sym

(

struct perf_event_attr *

attr

)

Definition at line 1673 of file event.c.

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synthesize_cpus()

static void synthesize_cpus ( struct cpu_map_entries *  cpus, struct cpu_map *  map  )

static

Definition at line 1002 of file event.c.

synthesize_mask()

static void synthesize_mask ( struct cpu_map_mask *  mask, struct cpu_map *  map, int  max  )

static

Definition at line 1013 of file event.c.

synthesize_threads_worker()

static void* synthesize_threads_worker ( void *  arg )

static

Definition at line 756 of file event.c.

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thread__find_map()

struct map* thread__find_map	(	struct thread *	thread,
		u8	cpumode,
		u64	addr,
		struct addr_location *	al
	)

Definition at line 1511 of file event.c.

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thread__find_symbol()

struct symbol* thread__find_symbol	(	struct thread *	thread,
		u8	cpumode,
		u64	addr,
		struct addr_location *	al
	)

Definition at line 1588 of file event.c.

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thread__resolve()

void thread__resolve	(	struct thread *	thread,
		struct addr_location *	al,
		struct perf_sample *	sample
	)

Definition at line 1687 of file event.c.

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Variable Documentation

perf_event__names

const char* perf_event__names[]

static

Definition at line 28 of file event.c.

perf_ns__names

const char* perf_ns__names[]

static

Initial value:

= {
    [NET_NS_INDEX]      = "net",
    [UTS_NS_INDEX]      = "uts",
    [IPC_NS_INDEX]      = "ipc",
    [PID_NS_INDEX]      = "pid",
    [USER_NS_INDEX]     = "user",
    [MNT_NS_INDEX]      = "mnt",
    [CGROUP_NS_INDEX]   = "cgroup",
}

Definition at line 65 of file event.c.