header.c File Reference

#include <errno.h>
#include <inttypes.h>
#include "util.h"
#include "string2.h"
#include <sys/param.h>
#include <sys/types.h>
#include <byteswap.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <linux/compiler.h>
#include <linux/list.h>
#include <linux/kernel.h>
#include <linux/bitops.h>
#include <linux/stringify.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#include <linux/time64.h>
#include <dirent.h>
#include "evlist.h"
#include "evsel.h"
#include "header.h"
#include "memswap.h"
#include "../perf.h"
#include "trace-event.h"
#include "session.h"
#include "symbol.h"
#include "debug.h"
#include "cpumap.h"
#include "pmu.h"
#include "vdso.h"
#include "strbuf.h"
#include "build-id.h"
#include "data.h"
#include <api/fs/fs.h>
#include "asm/bug.h"
#include "tool.h"
#include "time-utils.h"
#include "units.h"
#include "sane_ctype.h"

Include dependency graph for header.c:

Go to the source code of this file.

Classes
struct	perf_file_attr
struct	feat_fd
struct	cpu_topo
struct	feature_ops
struct	header_print_data

Macros
#define	PERF_MAGIC   __perf_magic2
#define	string_size(str)   (PERF_ALIGN((strlen(str) + 1), NAME_ALIGN) + sizeof(u32))
#define	CORE_SIB_FMT   "/sys/devices/system/cpu/cpu%d/topology/core_siblings_list"
#define	THRD_SIB_FMT   "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list"
#define	MAX_CACHES   2000
#define	_W(v)
#define	_W(v)
#define	for_each_memory(mem, dir)
#define	MAX_MEMORY_NODES   2000
#define	_W(v)
#define	FEAT_PROCESS_STR_FUN(__feat, __feat_env)
#define	_R(v)
#define	_R(v)
#define	_R(v)
#define	FEAT_OPR(n, func, __full_only)
#define	FEAT_OPN(n, func, __full_only)
#define	print_tracing_data   NULL
#define	print_build_id   NULL
#define	process_branch_stack   NULL
#define	process_stat   NULL
#define	PERF_PIPE_HDR_VER0   16

Functions
void	perf_header__set_feat (struct perf_header *header, int feat)
void	perf_header__clear_feat (struct perf_header *header, int feat)
bool	perf_header__has_feat (const struct perf_header *header, int feat)
static int	__do_write_fd (struct feat_fd *ff, const void *buf, size_t size)
static int	__do_write_buf (struct feat_fd *ff, const void *buf, size_t size)
int	do_write (struct feat_fd *ff, const void *buf, size_t size)
static int	do_write_bitmap (struct feat_fd *ff, unsigned long *set, u64 size)
int	write_padded (struct feat_fd *ff, const void *bf, size_t count, size_t count_aligned)
static int	do_write_string (struct feat_fd *ff, const char *str)
static int	__do_read_fd (struct feat_fd *ff, void *addr, ssize_t size)
static int	__do_read_buf (struct feat_fd *ff, void *addr, ssize_t size)
static int	__do_read (struct feat_fd *ff, void *addr, ssize_t size)
static int	do_read_u32 (struct feat_fd *ff, u32 *addr)
static int	do_read_u64 (struct feat_fd *ff, u64 *addr)
static char *	do_read_string (struct feat_fd *ff)
static int	do_read_bitmap (struct feat_fd *ff, unsigned long **pset, u64 *psize)
static int	write_tracing_data (struct feat_fd *ff, struct perf_evlist *evlist)
static int	write_build_id (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_hostname (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_osrelease (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_arch (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_version (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	__write_cpudesc (struct feat_fd *ff, const char *cpuinfo_proc)
static int	write_cpudesc (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_nrcpus (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_event_desc (struct feat_fd *ff, struct perf_evlist *evlist)
static int	write_cmdline (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	build_cpu_topo (struct cpu_topo *tp, int cpu)
static void	free_cpu_topo (struct cpu_topo *tp)
static struct cpu_topo *	build_cpu_topology (void)
static int	write_cpu_topology (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_total_mem (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_topo_node (struct feat_fd *ff, int node)
static int	write_numa_topology (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_pmu_mappings (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_group_desc (struct feat_fd *ff, struct perf_evlist *evlist)
int __weak	get_cpuid (char *buffer __maybe_unused, size_t sz __maybe_unused)
static int	write_cpuid (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_branch_stack (struct feat_fd *ff __maybe_unused, struct perf_evlist *evlist __maybe_unused)
static int	write_auxtrace (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	cpu_cache_level__sort (const void *a, const void *b)
static bool	cpu_cache_level__cmp (struct cpu_cache_level *a, struct cpu_cache_level *b)
static int	cpu_cache_level__read (struct cpu_cache_level *cache, u32 cpu, u16 level)
static void	cpu_cache_level__fprintf (FILE *out, struct cpu_cache_level *c)
static int	build_caches (struct cpu_cache_level caches[], u32 size, u32 *cntp)
static int	write_cache (struct feat_fd *ff, struct perf_evlist *evlist __maybe_unused)
static int	write_stat (struct feat_fd *ff __maybe_unused, struct perf_evlist *evlist __maybe_unused)
static int	write_sample_time (struct feat_fd *ff, struct perf_evlist *evlist)
static int	memory_node__read (struct memory_node *n, unsigned long idx)
static int	memory_node__sort (const void *a, const void *b)
static int	build_mem_topology (struct memory_node *nodes, u64 size, u64 *cntp)
static int	write_mem_topology (struct feat_fd *ff __maybe_unused, struct perf_evlist *evlist __maybe_unused)
static void	print_hostname (struct feat_fd *ff, FILE *fp)
static void	print_osrelease (struct feat_fd *ff, FILE *fp)
static void	print_arch (struct feat_fd *ff, FILE *fp)
static void	print_cpudesc (struct feat_fd *ff, FILE *fp)
static void	print_nrcpus (struct feat_fd *ff, FILE *fp)
static void	print_version (struct feat_fd *ff, FILE *fp)
static void	print_cmdline (struct feat_fd *ff, FILE *fp)
static void	print_cpu_topology (struct feat_fd *ff, FILE *fp)
static void	free_event_desc (struct perf_evsel *events)
static struct perf_evsel *	read_event_desc (struct feat_fd *ff)
static int	__desc_attr__fprintf (FILE *fp, const char *name, const char *val, void *priv __maybe_unused)
static void	print_event_desc (struct feat_fd *ff, FILE *fp)
static void	print_total_mem (struct feat_fd *ff, FILE *fp)
static void	print_numa_topology (struct feat_fd *ff, FILE *fp)
static void	print_cpuid (struct feat_fd *ff, FILE *fp)
static void	print_branch_stack (struct feat_fd *ff __maybe_unused, FILE *fp)
static void	print_auxtrace (struct feat_fd *ff __maybe_unused, FILE *fp)
static void	print_stat (struct feat_fd *ff __maybe_unused, FILE *fp)
static void	print_cache (struct feat_fd *ff, FILE *fp __maybe_unused)
static void	print_pmu_mappings (struct feat_fd *ff, FILE *fp)
static void	print_group_desc (struct feat_fd *ff, FILE *fp)
static void	print_sample_time (struct feat_fd *ff, FILE *fp)
static void	memory_node__fprintf (struct memory_node *n, unsigned long long bsize, FILE *fp)
static void	print_mem_topology (struct feat_fd *ff, FILE *fp)
static int	__event_process_build_id (struct build_id_event *bev, char *filename, struct perf_session *session)
static int	perf_header__read_build_ids_abi_quirk (struct perf_header *header, int input, u64 offset, u64 size)
static int	perf_header__read_build_ids (struct perf_header *header, int input, u64 offset, u64 size)
	FEAT_PROCESS_STR_FUN (hostname, hostname)
	FEAT_PROCESS_STR_FUN (osrelease, os_release)
	FEAT_PROCESS_STR_FUN (version, version)
	FEAT_PROCESS_STR_FUN (arch, arch)
	FEAT_PROCESS_STR_FUN (cpudesc, cpu_desc)
	FEAT_PROCESS_STR_FUN (cpuid, cpuid)
static int	process_tracing_data (struct feat_fd *ff, void *data)
static int	process_build_id (struct feat_fd *ff, void *data __maybe_unused)
static int	process_nrcpus (struct feat_fd *ff, void *data __maybe_unused)
static int	process_total_mem (struct feat_fd *ff, void *data __maybe_unused)
static struct perf_evsel *	perf_evlist__find_by_index (struct perf_evlist *evlist, int idx)
static void	perf_evlist__set_event_name (struct perf_evlist *evlist, struct perf_evsel *event)
static int	process_event_desc (struct feat_fd *ff, void *data __maybe_unused)
static int	process_cmdline (struct feat_fd *ff, void *data __maybe_unused)
static int	process_cpu_topology (struct feat_fd *ff, void *data __maybe_unused)
static int	process_numa_topology (struct feat_fd *ff, void *data __maybe_unused)
static int	process_pmu_mappings (struct feat_fd *ff, void *data __maybe_unused)
static int	process_group_desc (struct feat_fd *ff, void *data __maybe_unused)
static int	process_auxtrace (struct feat_fd *ff, void *data __maybe_unused)
static int	process_cache (struct feat_fd *ff, void *data __maybe_unused)
static int	process_sample_time (struct feat_fd *ff, void *data __maybe_unused)
static int	process_mem_topology (struct feat_fd *ff, void *data __maybe_unused)
static int	perf_file_section__fprintf_info (struct perf_file_section *section, struct perf_header *ph, int feat, int fd, void *data)
int	perf_header__fprintf_info (struct perf_session *session, FILE *fp, bool full)
static int	do_write_feat (struct feat_fd *ff, int type, struct perf_file_section **p, struct perf_evlist *evlist)
static int	perf_header__adds_write (struct perf_header *header, struct perf_evlist *evlist, int fd)
int	perf_header__write_pipe (int fd)
int	perf_session__write_header (struct perf_session *session, struct perf_evlist *evlist, int fd, bool at_exit)
static int	perf_header__getbuffer64 (struct perf_header *header, int fd, void *buf, size_t size)
int	perf_header__process_sections (struct perf_header *header, int fd, void *data, int(*process)(struct perf_file_section *section, struct perf_header *ph, int feat, int fd, void *data))
static int	try_all_file_abis (uint64_t hdr_sz, struct perf_header *ph)
static int	try_all_pipe_abis (uint64_t hdr_sz, struct perf_header *ph)
bool	is_perf_magic (u64 magic)
static int	check_magic_endian (u64 magic, uint64_t hdr_sz, bool is_pipe, struct perf_header *ph)
int	perf_file_header__read (struct perf_file_header *header, struct perf_header *ph, int fd)
static int	perf_file_section__process (struct perf_file_section *section, struct perf_header *ph, int feat, int fd, void *data)
static int	perf_file_header__read_pipe (struct perf_pipe_file_header *header, struct perf_header *ph, int fd, bool repipe)
static int	perf_header__read_pipe (struct perf_session *session)
static int	read_attr (int fd, struct perf_header *ph, struct perf_file_attr *f_attr)
static int	perf_evsel__prepare_tracepoint_event (struct perf_evsel *evsel, struct pevent *pevent)
static int	perf_evlist__prepare_tracepoint_events (struct perf_evlist *evlist, struct pevent *pevent)
int	perf_session__read_header (struct perf_session *session)
int	perf_event__synthesize_attr (struct perf_tool *tool, struct perf_event_attr *attr, u32 ids, u64 *id, perf_event__handler_t process)
int	perf_event__synthesize_features (struct perf_tool *tool, struct perf_session *session, struct perf_evlist *evlist, perf_event__handler_t process)
int	perf_event__process_feature (struct perf_tool *tool, union perf_event *event, struct perf_session *session __maybe_unused)
static struct event_update_event *	event_update_event__new (size_t size, u64 type, u64 id)
int	perf_event__synthesize_event_update_unit (struct perf_tool *tool, struct perf_evsel *evsel, perf_event__handler_t process)
int	perf_event__synthesize_event_update_scale (struct perf_tool *tool, struct perf_evsel *evsel, perf_event__handler_t process)
int	perf_event__synthesize_event_update_name (struct perf_tool *tool, struct perf_evsel *evsel, perf_event__handler_t process)
int	perf_event__synthesize_event_update_cpus (struct perf_tool *tool, struct perf_evsel *evsel, perf_event__handler_t process)
size_t	perf_event__fprintf_event_update (union perf_event *event, FILE *fp)
int	perf_event__synthesize_attrs (struct perf_tool *tool, struct perf_session *session, perf_event__handler_t process)
static bool	has_unit (struct perf_evsel *counter)
static bool	has_scale (struct perf_evsel *counter)
int	perf_event__synthesize_extra_attr (struct perf_tool *tool, struct perf_evlist *evsel_list, perf_event__handler_t process, bool is_pipe)
int	perf_event__process_attr (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_evlist **pevlist)
int	perf_event__process_event_update (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_evlist **pevlist)
int	perf_event__synthesize_tracing_data (struct perf_tool *tool, int fd, struct perf_evlist *evlist, perf_event__handler_t process)
int	perf_event__process_tracing_data (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_session *session)
int	perf_event__synthesize_build_id (struct perf_tool *tool, struct dso *pos, u16 misc, perf_event__handler_t process, struct machine *machine)
int	perf_event__process_build_id (struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_session *session)

Variables
static const char *	__perf_magic1 = "PERFFILE"
static const u64	__perf_magic2 = 0x32454c4946524550ULL
static const u64	__perf_magic2_sw = 0x50455246494c4532ULL
const char	perf_version_string [] = PERF_VERSION
static const struct feature_ops	feat_ops [HEADER_LAST_FEATURE]
static const int	attr_file_abi_sizes []
static const size_t	attr_pipe_abi_sizes []

Macro Definition Documentation

_R [1/3]

#define _R

(

v

)

Value:

if (do_read_u32(ff, &c.v))\
                goto out_free_caches;           \

_R [2/3]

#define _R

(

v

)

Value:

c.v = do_read_string(ff);       \
            if (!c.v)               \
                goto out_free_caches;

_R [3/3]

#define _R

(

v

)

Value:

if (do_read_u64(ff, &n.v))  \
                goto out;       \

_W [1/3]

#define _W

(

v

)

Value:

ret = do_write(ff, &c->v, sizeof(u32)); \
            if (ret < 0)                \
                goto out;

_W [2/3]

#define _W

(

v

)

Value:

ret = do_write_string(ff, (const char *) c->v); \
            if (ret < 0)                    \
                goto out;

_W [3/3]

#define _W

(

v

)

Value:

ret = do_write(ff, &n->v, sizeof(n->v));    \
            if (ret < 0)                    \
                goto out;

CORE_SIB_FMT

#define CORE_SIB_FMT   "/sys/devices/system/cpu/cpu%d/topology/core_siblings_list"

Definition at line 562 of file header.c.

FEAT_OPN

#define FEAT_OPN	(		n,
			func,
			__full_only
	)

Value:

[HEADER_##n] = {                    \
        .name       = __stringify(n),           \
        .write      = write_##func,         \
        .print      = print_##func,         \
        .full_only  = __full_only,          \
        .process    = process_##func            \
    }

Definition at line 2548 of file header.c.

FEAT_OPR

#define FEAT_OPR	(		n,
			func,
			__full_only
	)

Value:

[HEADER_##n] = {                    \
        .name       = __stringify(n),           \
        .write      = write_##func,         \
        .print      = print_##func,         \
        .full_only  = __full_only,          \
        .process    = process_##func,           \
        .synthesize = true              \
    }

Definition at line 2538 of file header.c.

FEAT_PROCESS_STR_FUN

#define FEAT_PROCESS_STR_FUN	(		__feat,
			__feat_env
	)

Value:

static int process_##__feat(struct feat_fd *ff, void *data __maybe_unused) \
{\
    ff->ph->env.__feat_env = do_read_string(ff); \
    return ff->ph->env.__feat_env ? 0 : -ENOMEM; \
}

Definition at line 1971 of file header.c.

for_each_memory

#define for_each_memory	(		mem,
			dir
	)

Value:

while ((ent = readdir(dir)))                    \
        if (strcmp(ent->d_name, ".") &&             \
            strcmp(ent->d_name, "..") &&            \
            sscanf(ent->d_name, "memory%u", &mem) == 1)

MAX_CACHES

#define MAX_CACHES   2000

Definition at line 1178 of file header.c.

MAX_MEMORY_NODES

#define MAX_MEMORY_NODES   2000

Definition at line 1356 of file header.c.

PERF_MAGIC

#define PERF_MAGIC   __perf_magic2

Definition at line 58 of file header.c.

PERF_PIPE_HDR_VER0

#define PERF_PIPE_HDR_VER0   16

Definition at line 2934 of file header.c.

print_build_id

#define print_build_id   NULL

Definition at line 2559 of file header.c.

print_tracing_data

#define print_tracing_data   NULL

Definition at line 2558 of file header.c.

process_branch_stack

#define process_branch_stack   NULL

Definition at line 2561 of file header.c.

process_stat

#define process_stat   NULL

Definition at line 2562 of file header.c.

string_size

#define string_size

(

str

)

(PERF_ALIGN((strlen(str) + 1), NAME_ALIGN) + sizeof(u32))

Definition at line 168 of file header.c.

THRD_SIB_FMT

#define THRD_SIB_FMT   "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list"

Definition at line 564 of file header.c.

Function Documentation

__desc_attr__fprintf()

static int __desc_attr__fprintf ( FILE *  fp, const char *  name, const char *  val, void *priv  __maybe_unused  )

static

Definition at line 1607 of file header.c.

__do_read()

static int __do_read ( struct feat_fd *  ff, void *  addr, ssize_t  size  )

static

Definition at line 209 of file header.c.

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__do_read_buf()

static int __do_read_buf ( struct feat_fd *  ff, void *  addr, ssize_t  size  )

static

Definition at line 197 of file header.c.

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__do_read_fd()

static int __do_read_fd ( struct feat_fd *  ff, void *  addr, ssize_t  size  )

static

Definition at line 188 of file header.c.

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__do_write_buf()

static int __do_write_buf ( struct feat_fd *  ff, const void *  buf, size_t  size  )

static

Definition at line 100 of file header.c.

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__do_write_fd()

static int __do_write_fd ( struct feat_fd *  ff, const void *  buf, size_t  size  )

static

Definition at line 91 of file header.c.

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__event_process_build_id()

static int __event_process_build_id ( struct build_id_event *  bev, char *  filename, struct perf_session *  session  )

static

Definition at line 1815 of file header.c.

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__write_cpudesc()

static int __write_cpudesc ( struct feat_fd *  ff, const char *  cpuinfo_proc  )

static

Definition at line 377 of file header.c.

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build_caches()

static int build_caches ( struct cpu_cache_level  caches[], u32  size, u32 *  cntp  )

static

Definition at line 1134 of file header.c.

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build_cpu_topo()

static int build_cpu_topo ( struct cpu_topo *  tp, int  cpu  )

static

Definition at line 575 of file header.c.

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build_cpu_topology()

static struct cpu_topo* build_cpu_topology ( void  )

static

Definition at line 657 of file header.c.

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build_mem_topology()

static int build_mem_topology ( struct memory_node *  nodes, u64  size, u64 *  cntp  )

static

Definition at line 1310 of file header.c.

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check_magic_endian()

static int check_magic_endian ( u64  magic, uint64_t  hdr_sz, bool  is_pipe, struct perf_header *  ph  )

static

Definition at line 2977 of file header.c.

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cpu_cache_level__cmp()

static bool cpu_cache_level__cmp ( struct cpu_cache_level *  a, struct cpu_cache_level *  b  )

static

Definition at line 1047 of file header.c.

cpu_cache_level__fprintf()

static void cpu_cache_level__fprintf ( FILE *  out, struct cpu_cache_level *  c  )

static

Definition at line 1129 of file header.c.

cpu_cache_level__read()

static int cpu_cache_level__read ( struct cpu_cache_level *  cache, u32  cpu, u16  level  )

static

Definition at line 1073 of file header.c.

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cpu_cache_level__sort()

static int cpu_cache_level__sort ( const void *  a, const void *  b  )

static

Definition at line 1039 of file header.c.

do_read_bitmap()

static int do_read_bitmap ( struct feat_fd *  ff, unsigned long **  pset, u64 *  psize  )

static

Definition at line 268 of file header.c.

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do_read_string()

static char* do_read_string ( struct feat_fd *  ff )

static

Definition at line 242 of file header.c.

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do_read_u32()

static int do_read_u32 ( struct feat_fd *  ff, u32 *  addr  )

static

Definition at line 216 of file header.c.

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do_read_u64()

static int do_read_u64 ( struct feat_fd *  ff, u64 *  addr  )

static

Definition at line 229 of file header.c.

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do_write()

int do_write	(	struct feat_fd *	ff,
		const void *	buf,
		size_t	size
	)

Definition at line 129 of file header.c.

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do_write_bitmap()

static int do_write_bitmap ( struct feat_fd *  ff, unsigned long *  set, u64  size  )

static

Definition at line 137 of file header.c.

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do_write_feat()

static int do_write_feat ( struct feat_fd *  ff, int  type, struct perf_file_section **  p, struct perf_evlist *  evlist  )

static

Definition at line 2666 of file header.c.

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do_write_string()

static int do_write_string ( struct feat_fd *  ff, const char *  str  )

static

Definition at line 172 of file header.c.

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event_update_event__new()

static struct event_update_event* event_update_event__new ( size_t  size, u64  type, u64  id  )

static

Definition at line 3489 of file header.c.

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FEAT_PROCESS_STR_FUN() [1/6]

FEAT_PROCESS_STR_FUN	(	hostname	,
		hostname
	)

FEAT_PROCESS_STR_FUN() [2/6]

FEAT_PROCESS_STR_FUN	(	osrelease	,
		os_release
	)

FEAT_PROCESS_STR_FUN() [3/6]

FEAT_PROCESS_STR_FUN	(	version	,
		version
	)

FEAT_PROCESS_STR_FUN() [4/6]

FEAT_PROCESS_STR_FUN	(	arch	,
		arch
	)

FEAT_PROCESS_STR_FUN() [5/6]

FEAT_PROCESS_STR_FUN	(	cpudesc	,
		cpu_desc
	)

FEAT_PROCESS_STR_FUN() [6/6]

FEAT_PROCESS_STR_FUN	(	cpuid	,
		cpuid
	)

free_cpu_topo()

static void free_cpu_topo ( struct cpu_topo *  tp )

static

Definition at line 641 of file header.c.

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free_event_desc()

static void free_event_desc ( struct perf_evsel *  events )

static

Definition at line 1514 of file header.c.

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get_cpuid()

int __weak get_cpuid	(	char *buffer	__maybe_unused,
		size_t sz	__maybe_unused
	)

Definition at line 996 of file header.c.

has_scale()

static bool has_scale ( struct perf_evsel *  counter )

static

Definition at line 3658 of file header.c.

has_unit()

static bool has_unit ( struct perf_evsel *  counter )

static

Definition at line 3653 of file header.c.

is_perf_magic()

bool is_perf_magic

(

u64

magic

)

Definition at line 2967 of file header.c.

memory_node__fprintf()

static void memory_node__fprintf ( struct memory_node *  n, unsigned long long  bsize, FILE *  fp  )

static

Definition at line 1786 of file header.c.

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memory_node__read()

static int memory_node__read ( struct memory_node *  n, unsigned long  idx  )

static

Definition at line 1253 of file header.c.

memory_node__sort()

static int memory_node__sort ( const void *  a, const void *  b  )

static

Definition at line 1302 of file header.c.

perf_event__fprintf_event_update()

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

Definition at line 3595 of file header.c.

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perf_event__process_attr()

int perf_event__process_attr	(	struct perf_tool *tool	__maybe_unused,
		union perf_event *	event,
		struct perf_evlist **	pevlist
	)

Definition at line 3721 of file header.c.

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perf_event__process_build_id()

int perf_event__process_build_id	(	struct perf_tool *tool	__maybe_unused,
		union perf_event *	event,
		struct perf_session *	session
	)

Definition at line 3922 of file header.c.

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perf_event__process_event_update()

int perf_event__process_event_update	(	struct perf_tool *tool	__maybe_unused,
		union perf_event *	event,
		struct perf_evlist **	pevlist
	)

Definition at line 3759 of file header.c.

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perf_event__process_feature()

int perf_event__process_feature	(	struct perf_tool *	tool,
		union perf_event *	event,
		struct perf_session *session	__maybe_unused
	)

Definition at line 3446 of file header.c.

perf_event__process_tracing_data()

int perf_event__process_tracing_data	(	struct perf_tool *tool	__maybe_unused,
		union perf_event *	event,
		struct perf_session *	session
	)

Definition at line 3854 of file header.c.

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perf_event__synthesize_attr()

int perf_event__synthesize_attr	(	struct perf_tool *	tool,
		struct perf_event_attr *	attr,
		u32	ids,
		u64 *	id,
		perf_event__handler_t	process
	)

Definition at line 3348 of file header.c.

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perf_event__synthesize_attrs()

int perf_event__synthesize_attrs	(	struct perf_tool *	tool,
		struct perf_session *	session,
		perf_event__handler_t	process
	)

Definition at line 3634 of file header.c.

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perf_event__synthesize_build_id()

int perf_event__synthesize_build_id	(	struct perf_tool *	tool,
		struct dso *	pos,
		u16	misc,
		perf_event__handler_t	process,
		struct machine *	machine
	)

Definition at line 3894 of file header.c.

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perf_event__synthesize_event_update_cpus()

int perf_event__synthesize_event_update_cpus	(	struct perf_tool *	tool,
		struct perf_evsel *	evsel,
		perf_event__handler_t	process
	)

Definition at line 3565 of file header.c.

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perf_event__synthesize_event_update_name()

int perf_event__synthesize_event_update_name	(	struct perf_tool *	tool,
		struct perf_evsel *	evsel,
		perf_event__handler_t	process
	)

Definition at line 3546 of file header.c.

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perf_event__synthesize_event_update_scale()

int perf_event__synthesize_event_update_scale	(	struct perf_tool *	tool,
		struct perf_evsel *	evsel,
		perf_event__handler_t	process
	)

Definition at line 3526 of file header.c.

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perf_event__synthesize_event_update_unit()

int perf_event__synthesize_event_update_unit	(	struct perf_tool *	tool,
		struct perf_evsel *	evsel,
		perf_event__handler_t	process
	)

Definition at line 3507 of file header.c.

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perf_event__synthesize_extra_attr()

int perf_event__synthesize_extra_attr	(	struct perf_tool *	tool,
		struct perf_evlist *	evsel_list,
		perf_event__handler_t	process,
		bool	is_pipe
	)

Definition at line 3663 of file header.c.

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perf_event__synthesize_features()

int perf_event__synthesize_features	(	struct perf_tool *	tool,
		struct perf_session *	session,
		struct perf_evlist *	evlist,
		perf_event__handler_t	process
	)

Definition at line 3382 of file header.c.

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perf_event__synthesize_tracing_data()

int perf_event__synthesize_tracing_data	(	struct perf_tool *	tool,
		int	fd,
		struct perf_evlist *	evlist,
		perf_event__handler_t	process
	)

Definition at line 3805 of file header.c.

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perf_evlist__find_by_index()

static struct perf_evsel* perf_evlist__find_by_index ( struct perf_evlist *  evlist, int  idx  )

static

Definition at line 2029 of file header.c.

perf_evlist__prepare_tracepoint_events()

static int perf_evlist__prepare_tracepoint_events ( struct perf_evlist *  evlist, struct pevent *  pevent  )

static

Definition at line 3233 of file header.c.

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perf_evlist__set_event_name()

static void perf_evlist__set_event_name ( struct perf_evlist *  evlist, struct perf_evsel *  event  )

static

Definition at line 2042 of file header.c.

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perf_evsel__prepare_tracepoint_event()

static int perf_evsel__prepare_tracepoint_event ( struct perf_evsel *  evsel, struct pevent *  pevent  )

static

Definition at line 3201 of file header.c.

perf_file_header__read()

int perf_file_header__read	(	struct perf_file_header *	header,
		struct perf_header *	ph,
		int	fd
	)

Definition at line 3012 of file header.c.

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perf_file_header__read_pipe()

static int perf_file_header__read_pipe ( struct perf_pipe_file_header *  header, struct perf_header *  ph, int  fd, bool  repipe  )

static

Definition at line 3112 of file header.c.

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perf_file_section__fprintf_info()

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

static

Definition at line 2595 of file header.c.

perf_file_section__process()

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

static

Definition at line 3084 of file header.c.

perf_header__adds_write()

static int perf_header__adds_write ( struct perf_header *  header, struct perf_evlist *  evlist, int  fd  )

static

Definition at line 2697 of file header.c.

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perf_header__clear_feat()

void perf_header__clear_feat	(	struct perf_header *	header,
		int	feat
	)

Definition at line 81 of file header.c.

perf_header__fprintf_info()

int perf_header__fprintf_info	(	struct perf_session *	session,
		FILE *	fp,
		bool	full
	)

Definition at line 2628 of file header.c.

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perf_header__getbuffer64()

static int perf_header__getbuffer64 ( struct perf_header *  header, int  fd, void *  buf, size_t  size  )

static

Definition at line 2844 of file header.c.

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perf_header__has_feat()

bool perf_header__has_feat	(	const struct perf_header *	header,
		int	feat
	)

Definition at line 86 of file header.c.

perf_header__process_sections()

int perf_header__process_sections	(	struct perf_header *	header,
		int	fd,
		void *	data,
		int(*)(struct perf_file_section *section, struct perf_header *ph, int feat, int fd, void *data)	process
	)

Definition at line 2856 of file header.c.

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perf_header__read_build_ids()

static int perf_header__read_build_ids ( struct perf_header *  header, int  input, u64  offset, u64  size  )

static

Definition at line 1921 of file header.c.

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perf_header__read_build_ids_abi_quirk()

static int perf_header__read_build_ids_abi_quirk ( struct perf_header *  header, int  input, u64  offset, u64  size  )

static

Definition at line 1875 of file header.c.

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perf_header__read_pipe()

static int perf_header__read_pipe ( struct perf_session *  session )

static

Definition at line 3140 of file header.c.

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perf_header__set_feat()

void perf_header__set_feat	(	struct perf_header *	header,
		int	feat
	)

Definition at line 76 of file header.c.

perf_header__write_pipe()

int perf_header__write_pipe

(

int

fd

)

Definition at line 2743 of file header.c.

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perf_session__read_header()

int perf_session__read_header

(

struct perf_session *

session

)

Definition at line 3247 of file header.c.

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perf_session__write_header()

int perf_session__write_header	(	struct perf_session *	session,
		struct perf_evlist *	evlist,
		int	fd,
		bool	at_exit
	)

Definition at line 2765 of file header.c.

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print_arch()

static void print_arch ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1433 of file header.c.

print_auxtrace()

static void print_auxtrace ( struct feat_fd *ff  __maybe_unused, FILE *  fp  )

static

Definition at line 1683 of file header.c.

print_branch_stack()

static void print_branch_stack ( struct feat_fd *ff  __maybe_unused, FILE *  fp  )

static

Definition at line 1678 of file header.c.

print_cache()

static void print_cache ( struct feat_fd *  ff, FILE *fp  __maybe_unused  )

static

Definition at line 1693 of file header.c.

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print_cmdline()

static void print_cmdline ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1454 of file header.c.

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print_cpu_topology()

static void print_cpu_topology ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1483 of file header.c.

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print_cpudesc()

static void print_cpudesc ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1438 of file header.c.

print_cpuid()

static void print_cpuid ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1673 of file header.c.

print_event_desc()

static void print_event_desc ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1613 of file header.c.

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print_group_desc()

static void print_group_desc ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1740 of file header.c.

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print_hostname()

static void print_hostname ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1423 of file header.c.

print_mem_topology()

static void print_mem_topology ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1799 of file header.c.

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print_nrcpus()

static void print_nrcpus ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1443 of file header.c.

print_numa_topology()

static void print_numa_topology ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1656 of file header.c.

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print_osrelease()

static void print_osrelease ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1428 of file header.c.

print_pmu_mappings()

static void print_pmu_mappings ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1704 of file header.c.

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print_sample_time()

static void print_sample_time ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1764 of file header.c.

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print_stat()

static void print_stat ( struct feat_fd *ff  __maybe_unused, FILE *  fp  )

static

Definition at line 1688 of file header.c.

print_total_mem()

static void print_total_mem ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1651 of file header.c.

print_version()

static void print_version ( struct feat_fd *  ff, FILE *  fp  )

static

Definition at line 1449 of file header.c.

process_auxtrace()

static int process_auxtrace ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 2390 of file header.c.

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process_build_id()

static int process_build_id ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 1992 of file header.c.

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process_cache()

static int process_cache ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 2404 of file header.c.

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process_cmdline()

static int process_cmdline ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 2086 of file header.c.

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process_cpu_topology()

static int process_cpu_topology ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 2124 of file header.c.

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process_event_desc()

static int process_event_desc ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 2061 of file header.c.

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process_group_desc()

static int process_group_desc ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 2306 of file header.c.

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process_mem_topology()

static int process_mem_topology ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 2477 of file header.c.

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process_nrcpus()

static int process_nrcpus ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 1999 of file header.c.

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process_numa_topology()

static int process_numa_topology ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 2213 of file header.c.

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process_pmu_mappings()

static int process_pmu_mappings ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 2259 of file header.c.

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process_sample_time()

static int process_sample_time ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 2456 of file header.c.

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process_total_mem()

static int process_total_mem ( struct feat_fd *  ff, void *data  __maybe_unused  )

static

Definition at line 2016 of file header.c.

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process_tracing_data()

static int process_tracing_data ( struct feat_fd *  ff, void *  data  )

static

Definition at line 1985 of file header.c.

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read_attr()

static int read_attr ( int  fd, struct perf_header *  ph, struct perf_file_attr *  f_attr  )

static

Definition at line 3155 of file header.c.

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read_event_desc()

static struct perf_evsel* read_event_desc ( struct feat_fd *  ff )

static

Definition at line 1529 of file header.c.

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try_all_file_abis()

static int try_all_file_abis ( uint64_t  hdr_sz, struct perf_header *  ph  )

static

Definition at line 2910 of file header.c.

try_all_pipe_abis()

static int try_all_pipe_abis ( uint64_t  hdr_sz, struct perf_header *  ph  )

static

Definition at line 2948 of file header.c.

write_arch()

static int write_arch ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 358 of file header.c.

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write_auxtrace()

static int write_auxtrace ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 1022 of file header.c.

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write_branch_stack()

static int write_branch_stack ( struct feat_fd *ff  __maybe_unused, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 1016 of file header.c.

write_build_id()

static int write_build_id ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 308 of file header.c.

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write_cache()

static int write_cache ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 1180 of file header.c.

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write_cmdline()

static int write_cmdline ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 528 of file header.c.

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write_cpu_topology()

static int write_cpu_topology ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 708 of file header.c.

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write_cpudesc()

static int write_cpudesc ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 434 of file header.c.

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write_cpuid()

static int write_cpuid ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 1001 of file header.c.

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write_event_desc()

static int write_event_desc ( struct feat_fd *  ff, struct perf_evlist *  evlist  )

static

Definition at line 472 of file header.c.

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write_group_desc()

static int write_group_desc ( struct feat_fd *  ff, struct perf_evlist *  evlist  )

static

Definition at line 958 of file header.c.

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write_hostname()

static int write_hostname ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 332 of file header.c.

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write_mem_topology()

static int write_mem_topology ( struct feat_fd *ff  __maybe_unused, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 1373 of file header.c.

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write_nrcpus()

static int write_nrcpus ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 450 of file header.c.

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write_numa_topology()

static int write_numa_topology ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 848 of file header.c.

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write_osrelease()

static int write_osrelease ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 345 of file header.c.

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write_padded()

int write_padded	(	struct feat_fd *	ff,
		const void *	bf,
		size_t	count,
		size_t	count_aligned
	)

Definition at line 156 of file header.c.

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write_pmu_mappings()

static int write_pmu_mappings ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 909 of file header.c.

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write_sample_time()

static int write_sample_time ( struct feat_fd *  ff, struct perf_evlist *  evlist  )

static

Definition at line 1238 of file header.c.

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write_stat()

static int write_stat ( struct feat_fd *ff  __maybe_unused, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 1232 of file header.c.

write_topo_node()

static int write_topo_node ( struct feat_fd *  ff, int  node  )

static

Definition at line 788 of file header.c.

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write_total_mem()

static int write_total_mem ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 759 of file header.c.

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write_tracing_data()

static int write_tracing_data ( struct feat_fd *  ff, struct perf_evlist *  evlist  )

static

Definition at line 299 of file header.c.

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write_version()

static int write_version ( struct feat_fd *  ff, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 371 of file header.c.

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Variable Documentation

__perf_magic1

const char* __perf_magic1 = "PERFFILE"

static

Definition at line 54 of file header.c.

__perf_magic2

const u64 __perf_magic2 = 0x32454c4946524550ULL

static

Definition at line 55 of file header.c.

__perf_magic2_sw

const u64 __perf_magic2_sw = 0x50455246494c4532ULL

static

Definition at line 56 of file header.c.

attr_file_abi_sizes

const int attr_file_abi_sizes[]

static

Initial value:

= {
    [0] = PERF_ATTR_SIZE_VER0,
    [1] = PERF_ATTR_SIZE_VER1,
    [2] = PERF_ATTR_SIZE_VER2,
    [3] = PERF_ATTR_SIZE_VER3,
    [4] = PERF_ATTR_SIZE_VER4,
    0,
}

Definition at line 2895 of file header.c.

attr_pipe_abi_sizes

const size_t attr_pipe_abi_sizes[]

static

Initial value:

= {
    [0] = PERF_PIPE_HDR_VER0,
    0,
}

Definition at line 2936 of file header.c.

feat_ops

const struct feature_ops feat_ops[HEADER_LAST_FEATURE]

static

Initial value:

= {
    FEAT_OPN(TRACING_DATA,  tracing_data,   false),
    FEAT_OPN(BUILD_ID,  build_id,   false),
    FEAT_OPR(HOSTNAME,  hostname,   false),
    FEAT_OPR(OSRELEASE, osrelease,  false),
    FEAT_OPR(VERSION,   version,    false),
    FEAT_OPR(ARCH,      arch,       false),
    FEAT_OPR(NRCPUS,    nrcpus,     false),
    FEAT_OPR(CPUDESC,   cpudesc,    false),
    FEAT_OPR(CPUID,     cpuid,      false),
    FEAT_OPR(TOTAL_MEM, total_mem,  false),
    FEAT_OPR(EVENT_DESC,    event_desc, false),
    FEAT_OPR(CMDLINE,   cmdline,    false),
    FEAT_OPR(CPU_TOPOLOGY,  cpu_topology,   true),
    FEAT_OPR(NUMA_TOPOLOGY, numa_topology,  true),
    FEAT_OPN(BRANCH_STACK,  branch_stack,   false),
    FEAT_OPR(PMU_MAPPINGS,  pmu_mappings,   false),
    FEAT_OPN(GROUP_DESC,    group_desc, false),
    FEAT_OPN(AUXTRACE,  auxtrace,   false),
    FEAT_OPN(STAT,      stat,       false),
    FEAT_OPN(CACHE,     cache,      true),
    FEAT_OPR(SAMPLE_TIME,   sample_time,    false),
    FEAT_OPR(MEM_TOPOLOGY,  mem_topology,   true),
}

Definition at line 2565 of file header.c.

perf_version_string

const char perf_version_string[] = PERF_VERSION

Definition at line 60 of file header.c.