build-id.c File Reference

#include "util.h"
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "build-id.h"
#include "event.h"
#include "symbol.h"
#include "thread.h"
#include <linux/kernel.h>
#include "debug.h"
#include "session.h"
#include "tool.h"
#include "header.h"
#include "vdso.h"
#include "path.h"
#include "probe-file.h"
#include "strlist.h"
#include "sane_ctype.h"

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Macros
#define	dsos__for_each_with_build_id(pos, head)
#define	build_id_cache__add_sdt_cache(sbuild_id, realname, nsi)   (0)

Functions
int	build_id__mark_dso_hit (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel __maybe_unused, struct machine *machine)
static int	perf_event__exit_del_thread (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine)
int	build_id__sprintf (const u8 *build_id, int len, char *bf)
int	sysfs__sprintf_build_id (const char *root_dir, char *sbuild_id)
int	filename__sprintf_build_id (const char *pathname, char *sbuild_id)
static int	asnprintf (char **strp, size_t size, const char *fmt,...)
char *	build_id_cache__kallsyms_path (const char *sbuild_id, char *bf, size_t size)
char *	build_id_cache__linkname (const char *sbuild_id, char *bf, size_t size)
char *	build_id_cache__origname (const char *sbuild_id)
static bool	build_id_cache__valid_id (char *sbuild_id)
static const char *	build_id_cache__basename (bool is_kallsyms, bool is_vdso, bool is_debug)
char *	dso__build_id_filename (const struct dso *dso, char *bf, size_t size, bool is_debug)
static int	write_buildid (const char *name, size_t name_len, u8 *build_id, pid_t pid, u16 misc, struct feat_fd *fd)
static int	machine__write_buildid_table (struct machine *machine, struct feat_fd *fd)
int	perf_session__write_buildid_table (struct perf_session *session, struct feat_fd *fd)
static int	__dsos__hit_all (struct list_head *head)
static int	machine__hit_all_dsos (struct machine *machine)
int	dsos__hit_all (struct perf_session *session)
void	disable_buildid_cache (void)
static bool	lsdir_bid_head_filter (const char *name __maybe_unused, struct dirent *d)
static bool	lsdir_bid_tail_filter (const char *name __maybe_unused, struct dirent *d)
struct strlist *	build_id_cache__list_all (bool validonly)
static bool	str_is_build_id (const char *maybe_sbuild_id, size_t len)
char *	build_id_cache__complement (const char *incomplete_sbuild_id)
char *	build_id_cache__cachedir (const char *sbuild_id, const char *name, struct nsinfo *nsi, bool is_kallsyms, bool is_vdso)
int	build_id_cache__list_build_ids (const char *pathname, struct nsinfo *nsi, struct strlist **result)
static char *	build_id_cache__find_debug (const char *sbuild_id, struct nsinfo *nsi)
int	build_id_cache__add_s (const char *sbuild_id, const char *name, struct nsinfo *nsi, bool is_kallsyms, bool is_vdso)
static int	build_id_cache__add_b (const u8 *build_id, size_t build_id_size, const char *name, struct nsinfo *nsi, bool is_kallsyms, bool is_vdso)
bool	build_id_cache__cached (const char *sbuild_id)
int	build_id_cache__remove_s (const char *sbuild_id)
static int	dso__cache_build_id (struct dso *dso, struct machine *machine)
static int	__dsos__cache_build_ids (struct list_head *head, struct machine *machine)
static int	machine__cache_build_ids (struct machine *machine)
int	perf_session__cache_build_ids (struct perf_session *session)
static bool	machine__read_build_ids (struct machine *machine, bool with_hits)
bool	perf_session__read_build_ids (struct perf_session *session, bool with_hits)

Variables
static bool	no_buildid_cache
struct perf_tool	build_id__mark_dso_hit_ops

Macro Definition Documentation

build_id_cache__add_sdt_cache

#define build_id_cache__add_sdt_cache	(		sbuild_id,
			realname,
			nsi
	)		(0)

Definition at line 606 of file build-id.c.

dsos__for_each_with_build_id

#define dsos__for_each_with_build_id	(		pos,
			head
	)

Value:

list_for_each_entry(pos, head, node)    \
        if (!pos->has_build_id)     \
            continue;       \
        else

Definition at line 284 of file build-id.c.

Function Documentation

__dsos__cache_build_ids()

static int __dsos__cache_build_ids ( struct list_head *  head, struct machine *  machine  )

static

Definition at line 821 of file build-id.c.

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__dsos__hit_all()

static int __dsos__hit_all ( struct list_head *  head )

static

Definition at line 375 of file build-id.c.

asnprintf()

static int asnprintf ( char **  strp, size_t  size, const char *  fmt,   ...  )

static

Definition at line 137 of file build-id.c.

build_id__mark_dso_hit()

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

Definition at line 34 of file build-id.c.

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build_id__sprintf()

int build_id__sprintf	(	const u8 *	build_id,
		int	len,
		char *	bf
	)

Definition at line 89 of file build-id.c.

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build_id_cache__add_b()

static int build_id_cache__add_b ( const u8 *  build_id, size_t  build_id_size, const char *  name, struct nsinfo *  nsi, bool  is_kallsyms, bool  is_vdso  )

static

Definition at line 745 of file build-id.c.

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build_id_cache__add_s()

int build_id_cache__add_s	(	const char *	sbuild_id,
		const char *	name,
		struct nsinfo *	nsi,
		bool	is_kallsyms,
		bool	is_vdso
	)

Definition at line 636 of file build-id.c.

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build_id_cache__basename()

static const char* build_id_cache__basename ( bool  is_kallsyms, bool  is_vdso, bool  is_debug  )

static

Definition at line 245 of file build-id.c.

build_id_cache__cached()

bool build_id_cache__cached

(

const char *

sbuild_id

)

Definition at line 757 of file build-id.c.

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build_id_cache__cachedir()

char* build_id_cache__cachedir	(	const char *	sbuild_id,
		const char *	name,
		struct nsinfo *	nsi,
		bool	is_kallsyms,
		bool	is_vdso
	)

Definition at line 539 of file build-id.c.

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build_id_cache__complement()

char* build_id_cache__complement

(

const char *

incomplete_sbuild_id

)

Definition at line 508 of file build-id.c.

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build_id_cache__find_debug()

static char* build_id_cache__find_debug ( const char *  sbuild_id, struct nsinfo *  nsi  )

static

Definition at line 609 of file build-id.c.

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build_id_cache__kallsyms_path()

char* build_id_cache__kallsyms_path	(	const char *	sbuild_id,
		char *	bf,
		size_t	size
	)

Definition at line 155 of file build-id.c.

build_id_cache__linkname()

char* build_id_cache__linkname	(	const char *	sbuild_id,
		char *	bf,
		size_t	size
	)

Definition at line 176 of file build-id.c.

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build_id_cache__list_all()

struct strlist* build_id_cache__list_all

(

bool

validonly

)

Definition at line 431 of file build-id.c.

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build_id_cache__list_build_ids()

int build_id_cache__list_build_ids	(	const char *	pathname,
		struct nsinfo *	nsi,
		struct strlist **	result
	)

Definition at line 563 of file build-id.c.

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build_id_cache__origname()

char* build_id_cache__origname

(

const char *

sbuild_id

)

Definition at line 186 of file build-id.c.

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build_id_cache__remove_s()

int build_id_cache__remove_s

(

const char *

sbuild_id

)

Definition at line 769 of file build-id.c.

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build_id_cache__valid_id()

static bool build_id_cache__valid_id ( char *  sbuild_id )

static

Definition at line 221 of file build-id.c.

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disable_buildid_cache()

void disable_buildid_cache

(

void

)

Definition at line 410 of file build-id.c.

dso__build_id_filename()

char* dso__build_id_filename	(	const struct dso *	dso,
		char *	bf,
		size_t	size,
		bool	is_debug
	)

Definition at line 252 of file build-id.c.

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dso__cache_build_id()

static int dso__cache_build_id ( struct dso *  dso, struct machine *  machine  )

static

Definition at line 807 of file build-id.c.

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dsos__hit_all()

int dsos__hit_all

(

struct perf_session *

session

)

Definition at line 390 of file build-id.c.

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filename__sprintf_build_id()

int filename__sprintf_build_id	(	const char *	pathname,
		char *	sbuild_id
	)

Definition at line 122 of file build-id.c.

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lsdir_bid_head_filter()

static bool lsdir_bid_head_filter ( const char *name  __maybe_unused, struct dirent *  d  )

static

Definition at line 415 of file build-id.c.

lsdir_bid_tail_filter()

static bool lsdir_bid_tail_filter ( const char *name  __maybe_unused, struct dirent *  d  )

static

Definition at line 422 of file build-id.c.

machine__cache_build_ids()

static int machine__cache_build_ids ( struct machine *  machine )

static

Definition at line 834 of file build-id.c.

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machine__hit_all_dsos()

static int machine__hit_all_dsos ( struct machine *  machine )

static

Definition at line 385 of file build-id.c.

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machine__read_build_ids()

static bool machine__read_build_ids ( struct machine *  machine, bool  with_hits  )

static

Definition at line 859 of file build-id.c.

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machine__write_buildid_table()

static int machine__write_buildid_table ( struct machine *  machine, struct feat_fd *  fd  )

static

Definition at line 313 of file build-id.c.

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perf_event__exit_del_thread()

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

static

Definition at line 57 of file build-id.c.

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perf_session__cache_build_ids()

int perf_session__cache_build_ids

(

struct perf_session *

session

)

Definition at line 839 of file build-id.c.

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perf_session__read_build_ids()

bool perf_session__read_build_ids	(	struct perf_session *	session,
		bool	with_hits
	)

Definition at line 864 of file build-id.c.

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perf_session__write_buildid_table()

int perf_session__write_buildid_table	(	struct perf_session *	session,
		struct feat_fd *	fd
	)

Definition at line 357 of file build-id.c.

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str_is_build_id()

static bool str_is_build_id ( const char *  maybe_sbuild_id, size_t  len  )

static

Definition at line 496 of file build-id.c.

sysfs__sprintf_build_id()

int sysfs__sprintf_build_id	(	const char *	root_dir,
		char *	sbuild_id
	)

Definition at line 104 of file build-id.c.

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write_buildid()

static int write_buildid ( const char *  name, size_t  name_len, u8 *  build_id, pid_t  pid, u16  misc, struct feat_fd *  fd  )

static

Definition at line 290 of file build-id.c.

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Variable Documentation

build_id__mark_dso_hit_ops

struct perf_tool build_id__mark_dso_hit_ops

Initial value:

= {
    .sample = build_id__mark_dso_hit,
    .mmap   = perf_event__process_mmap,
    .mmap2  = perf_event__process_mmap2,
    .fork   = perf_event__process_fork,
    .exit   = perf_event__exit_del_thread,
    .attr        = perf_event__process_attr,
    .build_id    = perf_event__process_build_id,
    .ordered_events  = true,
}

Definition at line 78 of file build-id.c.

no_buildid_cache

bool no_buildid_cache

static

Definition at line 32 of file build-id.c.