bpf-loader.h File Reference

#include <linux/compiler.h>
#include <linux/err.h>
#include <string.h>
#include <bpf/libbpf.h>
#include "probe-event.h"
#include "evlist.h"
#include "debug.h"
#include <errno.h>

Include dependency graph for bpf-loader.h:

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Macros
#define	PERF_BPF_PROBE_GROUP   "perf_bpf_probe"

Typedefs
typedef int(*	bpf_prog_iter_callback_t) (const char *group, const char *event, int fd, void *arg)

Enumerations
enum	bpf_loader_errno {   __BPF_LOADER_ERRNO__START = __LIBBPF_ERRNO__START - 100, BPF_LOADER_ERRNO__CONFIG = __BPF_LOADER_ERRNO__START, BPF_LOADER_ERRNO__GROUP, BPF_LOADER_ERRNO__EVENTNAME,   BPF_LOADER_ERRNO__INTERNAL, BPF_LOADER_ERRNO__COMPILE, BPF_LOADER_ERRNO__PROGCONF_TERM, BPF_LOADER_ERRNO__PROLOGUE,   BPF_LOADER_ERRNO__PROLOGUE2BIG, BPF_LOADER_ERRNO__PROLOGUEOOB, BPF_LOADER_ERRNO__OBJCONF_OPT, BPF_LOADER_ERRNO__OBJCONF_CONF,   BPF_LOADER_ERRNO__OBJCONF_MAP_OPT, BPF_LOADER_ERRNO__OBJCONF_MAP_NOTEXIST, BPF_LOADER_ERRNO__OBJCONF_MAP_VALUE, BPF_LOADER_ERRNO__OBJCONF_MAP_TYPE,   BPF_LOADER_ERRNO__OBJCONF_MAP_KEYSIZE, BPF_LOADER_ERRNO__OBJCONF_MAP_VALUESIZE, BPF_LOADER_ERRNO__OBJCONF_MAP_NOEVT, BPF_LOADER_ERRNO__OBJCONF_MAP_MAPSIZE,   BPF_LOADER_ERRNO__OBJCONF_MAP_EVTDIM, BPF_LOADER_ERRNO__OBJCONF_MAP_EVTINH, BPF_LOADER_ERRNO__OBJCONF_MAP_EVTTYPE, BPF_LOADER_ERRNO__OBJCONF_MAP_IDX2BIG,   __BPF_LOADER_ERRNO__END }

Functions
static struct bpf_object *	bpf__prepare_load (const char *filename __maybe_unused, bool source __maybe_unused)
static struct bpf_object *	bpf__prepare_load_buffer (void *obj_buf __maybe_unused, size_t obj_buf_sz __maybe_unused)
static void	bpf__clear (void)
static int	bpf__probe (struct bpf_object *obj __maybe_unused)
static int	bpf__unprobe (struct bpf_object *obj __maybe_unused)
static int	bpf__load (struct bpf_object *obj __maybe_unused)
static int	bpf__foreach_event (struct bpf_object *obj __maybe_unused, bpf_prog_iter_callback_t func __maybe_unused, void *arg __maybe_unused)
static int	bpf__config_obj (struct bpf_object *obj __maybe_unused, struct parse_events_term *term __maybe_unused, struct perf_evlist *evlist __maybe_unused, int *error_pos __maybe_unused)
static int	bpf__apply_obj_config (void)
static int	bpf__setup_stdout (struct perf_evlist *evlist __maybe_unused)
static int	__bpf_strerror (char *buf, size_t size)
static int	bpf__strerror_prepare_load (const char *filename __maybe_unused, bool source __maybe_unused, int err __maybe_unused, char *buf, size_t size)
static int	bpf__strerror_probe (struct bpf_object *obj __maybe_unused, int err __maybe_unused, char *buf, size_t size)
static int	bpf__strerror_load (struct bpf_object *obj __maybe_unused, int err __maybe_unused, char *buf, size_t size)
static int	bpf__strerror_config_obj (struct bpf_object *obj __maybe_unused, struct parse_events_term *term __maybe_unused, struct perf_evlist *evlist __maybe_unused, int *error_pos __maybe_unused, int err __maybe_unused, char *buf, size_t size)
static int	bpf__strerror_apply_obj_config (int err __maybe_unused, char *buf, size_t size)
static int	bpf__strerror_setup_stdout (struct perf_evlist *evlist __maybe_unused, int err __maybe_unused, char *buf, size_t size)

Macro Definition Documentation

PERF_BPF_PROBE_GROUP

#define PERF_BPF_PROBE_GROUP   "perf_bpf_probe"

Definition at line 48 of file bpf-loader.h.

Typedef Documentation

bpf_prog_iter_callback_t

typedef int(* bpf_prog_iter_callback_t) (const char *group, const char *event, int fd, void *arg)

Definition at line 50 of file bpf-loader.h.

Enumeration Type Documentation

bpf_loader_errno

enum bpf_loader_errno

Enumerator
__BPF_LOADER_ERRNO__START
BPF_LOADER_ERRNO__CONFIG
BPF_LOADER_ERRNO__GROUP
BPF_LOADER_ERRNO__EVENTNAME
BPF_LOADER_ERRNO__INTERNAL
BPF_LOADER_ERRNO__COMPILE
BPF_LOADER_ERRNO__PROGCONF_TERM
BPF_LOADER_ERRNO__PROLOGUE
BPF_LOADER_ERRNO__PROLOGUE2BIG
BPF_LOADER_ERRNO__PROLOGUEOOB
BPF_LOADER_ERRNO__OBJCONF_OPT
BPF_LOADER_ERRNO__OBJCONF_CONF
BPF_LOADER_ERRNO__OBJCONF_MAP_OPT
BPF_LOADER_ERRNO__OBJCONF_MAP_NOTEXIST
BPF_LOADER_ERRNO__OBJCONF_MAP_VALUE
BPF_LOADER_ERRNO__OBJCONF_MAP_TYPE
BPF_LOADER_ERRNO__OBJCONF_MAP_KEYSIZE
BPF_LOADER_ERRNO__OBJCONF_MAP_VALUESIZE
BPF_LOADER_ERRNO__OBJCONF_MAP_NOEVT
BPF_LOADER_ERRNO__OBJCONF_MAP_MAPSIZE
BPF_LOADER_ERRNO__OBJCONF_MAP_EVTDIM
BPF_LOADER_ERRNO__OBJCONF_MAP_EVTINH
BPF_LOADER_ERRNO__OBJCONF_MAP_EVTTYPE
BPF_LOADER_ERRNO__OBJCONF_MAP_IDX2BIG
__BPF_LOADER_ERRNO__END

Definition at line 17 of file bpf-loader.h.

Function Documentation

__bpf_strerror()

static int __bpf_strerror ( char *  buf, size_t  size  )

inlinestatic

Definition at line 142 of file bpf-loader.h.

bpf__apply_obj_config()

static int bpf__apply_obj_config ( void  )

inlinestatic

Definition at line 130 of file bpf-loader.h.

bpf__clear()

static void bpf__clear ( void  )

inlinestatic

Definition at line 106 of file bpf-loader.h.

bpf__config_obj()

static int bpf__config_obj ( struct bpf_object *obj  __maybe_unused, struct parse_events_term *term  __maybe_unused, struct perf_evlist *evlist  __maybe_unused, int *error_pos  __maybe_unused  )

inlinestatic

Definition at line 121 of file bpf-loader.h.

bpf__foreach_event()

static int bpf__foreach_event ( struct bpf_object *obj  __maybe_unused, bpf_prog_iter_callback_t func  __maybe_unused, void *arg  __maybe_unused  )

inlinestatic

Definition at line 113 of file bpf-loader.h.

bpf__load()

static int bpf__load ( struct bpf_object *obj  __maybe_unused )

inlinestatic

Definition at line 110 of file bpf-loader.h.

bpf__prepare_load()

static struct bpf_object* bpf__prepare_load ( const char *filename  __maybe_unused, bool source  __maybe_unused  )

static

Definition at line 92 of file bpf-loader.h.

bpf__prepare_load_buffer()

static struct bpf_object* bpf__prepare_load_buffer ( void *obj_buf  __maybe_unused, size_t obj_buf_sz  __maybe_unused  )

static

Definition at line 100 of file bpf-loader.h.

bpf__probe()

static int bpf__probe ( struct bpf_object *obj  __maybe_unused )

inlinestatic

Definition at line 108 of file bpf-loader.h.

bpf__setup_stdout()

static int bpf__setup_stdout ( struct perf_evlist *evlist  __maybe_unused )

inlinestatic

Definition at line 136 of file bpf-loader.h.

bpf__strerror_apply_obj_config()

static int bpf__strerror_apply_obj_config ( int err  __maybe_unused, char *  buf, size_t  size  )

inlinestatic

Definition at line 189 of file bpf-loader.h.

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bpf__strerror_config_obj()

static int bpf__strerror_config_obj ( struct bpf_object *obj  __maybe_unused, struct parse_events_term *term  __maybe_unused, struct perf_evlist *evlist  __maybe_unused, int *error_pos  __maybe_unused, int err  __maybe_unused, char *  buf, size_t  size  )

inlinestatic

Definition at line 178 of file bpf-loader.h.

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bpf__strerror_load()

static int bpf__strerror_load ( struct bpf_object *obj  __maybe_unused, int err  __maybe_unused, char *  buf, size_t  size  )

inlinestatic

Definition at line 170 of file bpf-loader.h.

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bpf__strerror_prepare_load()

static int bpf__strerror_prepare_load ( const char *filename  __maybe_unused, bool source  __maybe_unused, int err  __maybe_unused, char *  buf, size_t  size  )

inlinestatic

Definition at line 154 of file bpf-loader.h.

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bpf__strerror_probe()

static int bpf__strerror_probe ( struct bpf_object *obj  __maybe_unused, int err  __maybe_unused, char *  buf, size_t  size  )

inlinestatic

Definition at line 163 of file bpf-loader.h.

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bpf__strerror_setup_stdout()

static int bpf__strerror_setup_stdout ( struct perf_evlist *evlist  __maybe_unused, int err  __maybe_unused, char *  buf, size_t  size  )

inlinestatic

Definition at line 196 of file bpf-loader.h.

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bpf__unprobe()

static int bpf__unprobe ( struct bpf_object *obj  __maybe_unused )

inlinestatic

Definition at line 109 of file bpf-loader.h.