bpf-loader.c File Reference

#include <linux/bpf.h>
#include <bpf/libbpf.h>
#include <bpf/bpf.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <errno.h>
#include "perf.h"
#include "debug.h"
#include "bpf-loader.h"
#include "bpf-prologue.h"
#include "probe-event.h"
#include "probe-finder.h"
#include "parse-events.h"
#include "strfilter.h"
#include "llvm-utils.h"
#include "c++/clang-c.h"

Include dependency graph for bpf-loader.c:

Go to the source code of this file.

Classes
struct	bpf_prog_priv
struct	bpf_map_op
struct	bpf_map_priv
struct	bpf_obj_config__map_func

Macros
#define	DEFINE_PRINT_FN(name, level)
#define	EVENTS_WRITE_BUFSIZE   4096
#define	bpf__for_each_map(pos, obj, objtmp)
#define	bpf__for_each_stdout_map(pos, obj, objtmp)
#define	ERRNO_OFFSET(e)   ((e) - __BPF_LOADER_ERRNO__START)
#define	ERRCODE_OFFSET(c)   ERRNO_OFFSET(BPF_LOADER_ERRNO__##c)
#define	NR_ERRNO   (__BPF_LOADER_ERRNO__END - __BPF_LOADER_ERRNO__START)
#define	bpf__strerror_head(err, buf, size)
#define	bpf__strerror_entry(val, fmt...)
#define	bpf__strerror_end(buf, size)

Typedefs
typedef int(*	map_config_func_t) (const char *name, int map_fd, const struct bpf_map_def *pdef, struct bpf_map_op *op, void *pkey, void *arg)

Enumerations
enum	bpf_map_op_type { BPF_MAP_OP_SET_VALUE, BPF_MAP_OP_SET_EVSEL }
enum	bpf_map_key_type { BPF_MAP_KEY_ALL, BPF_MAP_KEY_RANGES }

Functions
struct bpf_object *	bpf__prepare_load_buffer (void *obj_buf, size_t obj_buf_sz, const char *name)
struct bpf_object *	bpf__prepare_load (const char *filename, bool source)
void	bpf__clear (void)
static void	clear_prog_priv (struct bpf_program *prog __maybe_unused, void *_priv)
static int	prog_config__exec (const char *value, struct perf_probe_event *pev)
static int	prog_config__module (const char *value, struct perf_probe_event *pev)
static int	prog_config__bool (const char *value, bool *pbool, bool invert)
static int	prog_config__inlines (const char *value, struct perf_probe_event *pev __maybe_unused)
static int	prog_config__force (const char *value, struct perf_probe_event *pev __maybe_unused)
static int	do_prog_config (const char *key, const char *value, struct perf_probe_event *pev)
static const char *	parse_prog_config_kvpair (const char *config_str, struct perf_probe_event *pev)
static int	parse_prog_config (const char *config_str, const char **p_main_str, bool *is_tp, struct perf_probe_event *pev)
static int	config_bpf_program (struct bpf_program *prog)
static int	bpf__prepare_probe (void)
static int	preproc_gen_prologue (struct bpf_program *prog, int n, struct bpf_insn *orig_insns, int orig_insns_cnt, struct bpf_prog_prep_result *res)
static int	compare_tev_args (const void *ptev1, const void *ptev2)
static int	map_prologue (struct perf_probe_event *pev, int *mapping, int *nr_types)
static int	hook_load_preprocessor (struct bpf_program *prog)
int	bpf__probe (struct bpf_object *obj)
int	bpf__unprobe (struct bpf_object *obj)
int	bpf__load (struct bpf_object *obj)
int	bpf__foreach_event (struct bpf_object *obj, bpf_prog_iter_callback_t func, void *arg)
static void	bpf_map_op__delete (struct bpf_map_op *op)
static void	bpf_map_priv__purge (struct bpf_map_priv *priv)
static void	bpf_map_priv__clear (struct bpf_map *map __maybe_unused, void *_priv)
static int	bpf_map_op_setkey (struct bpf_map_op *op, struct parse_events_term *term)
static struct bpf_map_op *	bpf_map_op__new (struct parse_events_term *term)
static struct bpf_map_op *	bpf_map_op__clone (struct bpf_map_op *op)
static struct bpf_map_priv *	bpf_map_priv__clone (struct bpf_map_priv *priv)
static int	bpf_map__add_op (struct bpf_map *map, struct bpf_map_op *op)
static struct bpf_map_op *	bpf_map__add_newop (struct bpf_map *map, struct parse_events_term *term)
static int	__bpf_map__config_value (struct bpf_map *map, struct parse_events_term *term)
static int	bpf_map__config_value (struct bpf_map *map, struct parse_events_term *term, struct perf_evlist *evlist __maybe_unused)
static int	__bpf_map__config_event (struct bpf_map *map, struct parse_events_term *term, struct perf_evlist *evlist)
static int	bpf_map__config_event (struct bpf_map *map, struct parse_events_term *term, struct perf_evlist *evlist)
static int	config_map_indices_range_check (struct parse_events_term *term, struct bpf_map *map, const char *map_name)
static int	bpf__obj_config_map (struct bpf_object *obj, struct parse_events_term *term, struct perf_evlist *evlist, int *key_scan_pos)
int	bpf__config_obj (struct bpf_object *obj, struct parse_events_term *term, struct perf_evlist *evlist, int *error_pos)
static int	foreach_key_array_all (map_config_func_t func, void *arg, const char *name, int map_fd, const struct bpf_map_def *pdef, struct bpf_map_op *op)
static int	foreach_key_array_ranges (map_config_func_t func, void *arg, const char *name, int map_fd, const struct bpf_map_def *pdef, struct bpf_map_op *op)
static int	bpf_map_config_foreach_key (struct bpf_map *map, map_config_func_t func, void *arg)
static int	apply_config_value_for_key (int map_fd, void *pkey, size_t val_size, u64 val)
static int	apply_config_evsel_for_key (const char *name, int map_fd, void *pkey, struct perf_evsel *evsel)
static int	apply_obj_config_map_for_key (const char *name, int map_fd, const struct bpf_map_def *pdef, struct bpf_map_op *op, void *pkey, void *arg __maybe_unused)
static int	apply_obj_config_map (struct bpf_map *map)
static int	apply_obj_config_object (struct bpf_object *obj)
int	bpf__apply_obj_config (void)
int	bpf__setup_stdout (struct perf_evlist *evlist)
static int	bpf_loader_strerror (int err, char *buf, size_t size)
int	bpf__strerror_prepare_load (const char *filename, bool source, int err, char *buf, size_t size)
int	bpf__strerror_probe (struct bpf_object *obj __maybe_unused, int err, char *buf, size_t size)
int	bpf__strerror_load (struct bpf_object *obj, int err, char *buf, size_t size)
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, char *buf, size_t size)
int	bpf__strerror_apply_obj_config (int err, char *buf, size_t size)
int	bpf__strerror_setup_stdout (struct perf_evlist *evlist __maybe_unused, int err, char *buf, size_t size)

Variables
static bool	libbpf_initialized
struct {
const char *   key
const char *   usage
const char *   desc
int(*   func )(const char *, struct       perf_probe_event *)
}	bpf_prog_config_terms []
struct bpf_obj_config__map_func	bpf_obj_config__map_funcs []
static const char *	bpf_loader_strerror_table [NR_ERRNO]

Macro Definition Documentation

bpf__for_each_map

#define bpf__for_each_map	(		pos,
			obj,
			objtmp
	)

Value:

bpf_object__for_each_safe(obj, objtmp)  \
        bpf_map__for_each(pos, obj)

Definition at line 1526 of file bpf-loader.c.

bpf__for_each_stdout_map

#define bpf__for_each_stdout_map	(		pos,
			obj,
			objtmp
	)

Value:

bpf__for_each_map(pos, obj, objtmp)         \
        if (bpf_map__name(pos) &&       \
            (strcmp("__bpf_stdout__",   \
                bpf_map__name(pos)) == 0))

Definition at line 1530 of file bpf-loader.c.

bpf__strerror_end

#define bpf__strerror_end	(		buf,
			size
	)

Value:

}\
    buf[size - 1] = '\0';

Definition at line 1687 of file bpf-loader.c.

bpf__strerror_entry

#define bpf__strerror_entry	(		val,
			fmt...
	)

Value:

case val: {\
        scnprintf(buf, size, fmt);\
        break;\
    }

Definition at line 1681 of file bpf-loader.c.

bpf__strerror_head

#define bpf__strerror_head	(		err,
			buf,
			size
	)

Value:

char sbuf[STRERR_BUFSIZE], *emsg;\
    if (!size)\
        return 0;\
    if (err < 0)\
        err = -err;\
    bpf_loader_strerror(err, sbuf, sizeof(sbuf));\
    emsg = sbuf;\
    switch (err) {\
    default:\
        scnprintf(buf, size, "%s", emsg);\
        break;

Definition at line 1668 of file bpf-loader.c.

DEFINE_PRINT_FN

#define DEFINE_PRINT_FN	(		name,
			level
	)

Value:

static int libbpf_##name(const char *fmt, ...)  \
{                       \
    va_list args;               \
    int ret;                \
                        \
    va_start(args, fmt);            \
    ret = veprintf(level, verbose, pr_fmt(fmt), args);\
    va_end(args);               \
    return ret;             \
}

Definition at line 27 of file bpf-loader.c.

ERRCODE_OFFSET

#define ERRCODE_OFFSET

(

c

)

ERRNO_OFFSET(BPF_LOADER_ERRNO__##c)

Definition at line 1608 of file bpf-loader.c.

ERRNO_OFFSET

#define ERRNO_OFFSET

(

e

)

((e) - __BPF_LOADER_ERRNO__START)

Definition at line 1607 of file bpf-loader.c.

EVENTS_WRITE_BUFSIZE

#define EVENTS_WRITE_BUFSIZE   4096

Definition at line 703 of file bpf-loader.c.

NR_ERRNO

#define NR_ERRNO   (__BPF_LOADER_ERRNO__END - __BPF_LOADER_ERRNO__START)

Definition at line 1609 of file bpf-loader.c.

Typedef Documentation

map_config_func_t

typedef int(* map_config_func_t) (const char *name, int map_fd, const struct bpf_map_def *pdef, struct bpf_map_op *op, void *pkey, void *arg)

Definition at line 1263 of file bpf-loader.c.

Enumeration Type Documentation

bpf_map_key_type

enum bpf_map_key_type

Enumerator
BPF_MAP_KEY_ALL
BPF_MAP_KEY_RANGES

Definition at line 816 of file bpf-loader.c.

bpf_map_op_type

enum bpf_map_op_type

Enumerator
BPF_MAP_OP_SET_VALUE
BPF_MAP_OP_SET_EVSEL

Definition at line 811 of file bpf-loader.c.

Function Documentation

__bpf_map__config_event()

static int __bpf_map__config_event ( struct bpf_map *  map, struct parse_events_term *  term, struct perf_evlist *  evlist  )

static

Definition at line 1072 of file bpf-loader.c.

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__bpf_map__config_value()

static int __bpf_map__config_value ( struct bpf_map *  map, struct parse_events_term *  term  )

static

Definition at line 1012 of file bpf-loader.c.

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apply_config_evsel_for_key()

static int apply_config_evsel_for_key ( const char *  name, int  map_fd, void *  pkey, struct perf_evsel *  evsel  )

static

Definition at line 1413 of file bpf-loader.c.

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apply_config_value_for_key()

static int apply_config_value_for_key ( int  map_fd, void *  pkey, size_t  val_size, u64  val  )

static

Definition at line 1378 of file bpf-loader.c.

apply_obj_config_map()

static int apply_obj_config_map ( struct bpf_map *  map )

static

Definition at line 1491 of file bpf-loader.c.

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apply_obj_config_map_for_key()

static int apply_obj_config_map_for_key ( const char *  name, int  map_fd, const struct bpf_map_def *  pdef, struct bpf_map_op *  op, void *  pkey, void *arg  __maybe_unused  )

static

Definition at line 1466 of file bpf-loader.c.

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apply_obj_config_object()

static int apply_obj_config_object ( struct bpf_object *  obj )

static

Definition at line 1499 of file bpf-loader.c.

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bpf__apply_obj_config()

int bpf__apply_obj_config

(

void

)

Definition at line 1512 of file bpf-loader.c.

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bpf__clear()

void bpf__clear

(

void

)

Definition at line 120 of file bpf-loader.c.

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bpf__config_obj()

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

Definition at line 1239 of file bpf-loader.c.

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bpf__foreach_event()

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

Definition at line 756 of file bpf-loader.c.

bpf__load()

int bpf__load

(

struct bpf_object *

obj

)

Definition at line 744 of file bpf-loader.c.

bpf__obj_config_map()

static int bpf__obj_config_map ( struct bpf_object *  obj, struct parse_events_term *  term, struct perf_evlist *  evlist, int *  key_scan_pos  )

static

Definition at line 1180 of file bpf-loader.c.

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bpf__prepare_load()

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

Definition at line 77 of file bpf-loader.c.

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bpf__prepare_load_buffer()

struct bpf_object* bpf__prepare_load_buffer	(	void *	obj_buf,
		size_t	obj_buf_sz,
		const char *	name
	)

Definition at line 57 of file bpf-loader.c.

bpf__prepare_probe()

static int bpf__prepare_probe ( void  )

static

Definition at line 405 of file bpf-loader.c.

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bpf__probe()

int bpf__probe

(

struct bpf_object *

obj

)

Definition at line 643 of file bpf-loader.c.

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bpf__setup_stdout()

int bpf__setup_stdout

(

struct perf_evlist *

evlist

)

Definition at line 1536 of file bpf-loader.c.

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bpf__strerror_apply_obj_config()

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

Definition at line 1768 of file bpf-loader.c.

bpf__strerror_config_obj()

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	,
		char *	buf,
		size_t	size
	)

Definition at line 1755 of file bpf-loader.c.

bpf__strerror_load()

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

Definition at line 1727 of file bpf-loader.c.

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bpf__strerror_prepare_load()

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

Definition at line 1691 of file bpf-loader.c.

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bpf__strerror_probe()

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

Definition at line 1711 of file bpf-loader.c.

bpf__strerror_setup_stdout()

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

Definition at line 1781 of file bpf-loader.c.

bpf__unprobe()

int bpf__unprobe

(

struct bpf_object *

obj

)

Definition at line 704 of file bpf-loader.c.

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bpf_loader_strerror()

static int bpf_loader_strerror ( int  err, char *  buf, size_t  size  )

static

Definition at line 1638 of file bpf-loader.c.

bpf_map__add_newop()

static struct bpf_map_op* bpf_map__add_newop ( struct bpf_map *  map, struct parse_events_term *  term  )

static

Definition at line 994 of file bpf-loader.c.

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bpf_map__add_op()

static int bpf_map__add_op ( struct bpf_map *  map, struct bpf_map_op *  op  )

static

Definition at line 965 of file bpf-loader.c.

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bpf_map__config_event()

static int bpf_map__config_event ( struct bpf_map *  map, struct parse_events_term *  term, struct perf_evlist *  evlist  )

static

Definition at line 1114 of file bpf-loader.c.

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bpf_map__config_value()

static int bpf_map__config_value ( struct bpf_map *  map, struct parse_events_term *  term, struct perf_evlist *evlist  __maybe_unused  )

static

Definition at line 1054 of file bpf-loader.c.

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bpf_map_config_foreach_key()

static int bpf_map_config_foreach_key ( struct bpf_map *  map, map_config_func_t  func, void *  arg  )

static

Definition at line 1316 of file bpf-loader.c.

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bpf_map_op__clone()

static struct bpf_map_op* bpf_map_op__clone ( struct bpf_map_op *  op )

static

Definition at line 913 of file bpf-loader.c.

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bpf_map_op__delete()

static void bpf_map_op__delete ( struct bpf_map_op *  op )

static

Definition at line 839 of file bpf-loader.c.

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bpf_map_op__new()

static struct bpf_map_op* bpf_map_op__new ( struct parse_events_term *  term )

static

Definition at line 892 of file bpf-loader.c.

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bpf_map_op_setkey()

static int bpf_map_op_setkey ( struct bpf_map_op *  op, struct parse_events_term *  term  )

static

Definition at line 870 of file bpf-loader.c.

bpf_map_priv__clear()

static void bpf_map_priv__clear ( struct bpf_map *map  __maybe_unused, void *  _priv  )

static

Definition at line 860 of file bpf-loader.c.

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bpf_map_priv__clone()

static struct bpf_map_priv* bpf_map_priv__clone ( struct bpf_map_priv *  priv )

static

Definition at line 940 of file bpf-loader.c.

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bpf_map_priv__purge()

static void bpf_map_priv__purge ( struct bpf_map_priv *  priv )

static

Definition at line 849 of file bpf-loader.c.

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clear_prog_priv()

static void clear_prog_priv ( struct bpf_program *prog  __maybe_unused, void *  _priv  )

static

Definition at line 131 of file bpf-loader.c.

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compare_tev_args()

static int compare_tev_args ( const void *  ptev1, const void *  ptev2  )

static

Definition at line 492 of file bpf-loader.c.

config_bpf_program()

static int config_bpf_program ( struct bpf_program *  prog )

static

Definition at line 328 of file bpf-loader.c.

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config_map_indices_range_check()

static int config_map_indices_range_check ( struct parse_events_term *  term, struct bpf_map *  map, const char *  map_name  )

static

Definition at line 1143 of file bpf-loader.c.

do_prog_config()

static int do_prog_config ( const char *  key, const char *  value, struct perf_probe_event *  pev  )

static

Definition at line 228 of file bpf-loader.c.

foreach_key_array_all()

static int foreach_key_array_all ( map_config_func_t  func, void *  arg, const char *  name, int  map_fd, const struct bpf_map_def *  pdef, struct bpf_map_op *  op  )

static

Definition at line 1269 of file bpf-loader.c.

foreach_key_array_ranges()

static int foreach_key_array_ranges ( map_config_func_t  func, void *  arg, const char *  name, int  map_fd, const struct bpf_map_def *  pdef, struct bpf_map_op *  op  )

static

Definition at line 1289 of file bpf-loader.c.

hook_load_preprocessor()

static int hook_load_preprocessor ( struct bpf_program *  prog )

static

Definition at line 583 of file bpf-loader.c.

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map_prologue()

static int map_prologue ( struct perf_probe_event *  pev, int *  mapping, int *  nr_types  )

static

Definition at line 539 of file bpf-loader.c.

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parse_prog_config()

static int parse_prog_config ( const char *  config_str, const char **  p_main_str, bool *  is_tp, struct perf_probe_event *  pev  )

static

Definition at line 292 of file bpf-loader.c.

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parse_prog_config_kvpair()

static const char* parse_prog_config_kvpair ( const char *  config_str, struct perf_probe_event *  pev  )

static

Definition at line 251 of file bpf-loader.c.

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preproc_gen_prologue()

static int preproc_gen_prologue ( struct bpf_program *  prog, int  n, struct bpf_insn *  orig_insns, int  orig_insns_cnt, struct bpf_prog_prep_result *  res  )

static

Definition at line 427 of file bpf-loader.c.

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prog_config__bool()

static int prog_config__bool ( const char *  value, bool *  pbool, bool  invert  )

static

Definition at line 165 of file bpf-loader.c.

prog_config__exec()

static int prog_config__exec ( const char *  value, struct perf_probe_event *  pev  )

static

Definition at line 145 of file bpf-loader.c.

prog_config__force()

static int prog_config__force ( const char *  value, struct perf_probe_event *pev  __maybe_unused  )

static

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

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prog_config__inlines()

static int prog_config__inlines ( const char *  value, struct perf_probe_event *pev  __maybe_unused  )

static

Definition at line 182 of file bpf-loader.c.

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prog_config__module()

static int prog_config__module ( const char *  value, struct perf_probe_event *  pev  )

static

Definition at line 155 of file bpf-loader.c.

Variable Documentation

bpf_loader_strerror_table

const char* bpf_loader_strerror_table[NR_ERRNO]

static

Initial value:

= {
    [ERRCODE_OFFSET(CONFIG)]    = "Invalid config string",
    [ERRCODE_OFFSET(GROUP)]     = "Invalid group name",
    [ERRCODE_OFFSET(EVENTNAME)] = "No event name found in config string",
    [ERRCODE_OFFSET(INTERNAL)]  = "BPF loader internal error",
    [ERRCODE_OFFSET(COMPILE)]   = "Error when compiling BPF scriptlet",
    [ERRCODE_OFFSET(PROGCONF_TERM)] = "Invalid program config term in config string",
    [ERRCODE_OFFSET(PROLOGUE)]  = "Failed to generate prologue",
    [ERRCODE_OFFSET(PROLOGUE2BIG)]  = "Prologue too big for program",
    [ERRCODE_OFFSET(PROLOGUEOOB)]   = "Offset out of bound for prologue",
    [ERRCODE_OFFSET(OBJCONF_OPT)]   = "Invalid object config option",
    [ERRCODE_OFFSET(OBJCONF_CONF)]  = "Config value not set (missing '=')",
    [ERRCODE_OFFSET(OBJCONF_MAP_OPT)]   = "Invalid object map config option",
    [ERRCODE_OFFSET(OBJCONF_MAP_NOTEXIST)]  = "Target map doesn't exist",
    [ERRCODE_OFFSET(OBJCONF_MAP_VALUE)] = "Incorrect value type for map",
    [ERRCODE_OFFSET(OBJCONF_MAP_TYPE)]  = "Incorrect map type",
    [ERRCODE_OFFSET(OBJCONF_MAP_KEYSIZE)]   = "Incorrect map key size",
    [ERRCODE_OFFSET(OBJCONF_MAP_VALUESIZE)] = "Incorrect map value size",
    [ERRCODE_OFFSET(OBJCONF_MAP_NOEVT)] = "Event not found for map setting",
    [ERRCODE_OFFSET(OBJCONF_MAP_MAPSIZE)]   = "Invalid map size for event setting",
    [ERRCODE_OFFSET(OBJCONF_MAP_EVTDIM)]    = "Event dimension too large",
    [ERRCODE_OFFSET(OBJCONF_MAP_EVTINH)]    = "Doesn't support inherit event",
    [ERRCODE_OFFSET(OBJCONF_MAP_EVTTYPE)]   = "Wrong event type for map",
    [ERRCODE_OFFSET(OBJCONF_MAP_IDX2BIG)]   = "Index too large",
}

Definition at line 1611 of file bpf-loader.c.

bpf_obj_config__map_funcs

struct bpf_obj_config__map_func bpf_obj_config__map_funcs[]

Initial value:

= {
    {"value", bpf_map__config_value},
    {"event", bpf_map__config_event},
}

Definition at line 1137 of file bpf-loader.c.

bpf_prog_config_terms

struct { ... } bpf_prog_config_terms[]

Initial value:

= {
    {
        .key    = "exec",
        .usage  = "exec=<full path of file>",
        .desc   = "Set uprobe target",
        .func   = prog_config__exec,
    },
    {
        .key    = "module",
        .usage  = "module=<module name>    ",
        .desc   = "Set kprobe module",
        .func   = prog_config__module,
    },
    {
        .key    = "inlines",
        .usage  = "inlines=[yes|no]        ",
        .desc   = "Probe at inline symbol",
        .func   = prog_config__inlines,
    },
    {
        .key    = "force",
        .usage  = "force=[yes|no]          ",
        .desc   = "Forcibly add events with existing name",
        .func   = prog_config__force,
    },
}

desc

const char* desc

Definition at line 198 of file bpf-loader.c.

func

int(* func) (const char *, struct perf_probe_event *)

Definition at line 199 of file bpf-loader.c.

key

const char* key

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

libbpf_initialized

bool libbpf_initialized

static

Definition at line 54 of file bpf-loader.c.

usage

const char* usage

Definition at line 197 of file bpf-loader.c.