tools/perf/util/trace_augment.h

#ifndef TRACE_AUGMENT_H
#define TRACE_AUGMENT_H

#include <linux/compiler.h>
#include <stdbool.h>
#include <sys/types.h>

struct bpf_program;
struct evlist;
struct perf_thread_map;

#ifdef HAVE_BPF_SKEL

int augmented_syscalls__prepare(void);
int augmented_syscalls__attach(void);
int augmented_syscalls__create_bpf_output(struct evlist *evlist);
void augmented_syscalls__setup_bpf_output(void);
int augmented_syscalls__set_filter_pids(unsigned int nr, pid_t *pids);
void augmented_syscalls__set_target_pids(struct perf_thread_map *threads, bool inherit,
					 bool uses_tgid, bool on_exec);
int augmented_syscalls__lost_tasks(void);
int augmented_syscalls__get_map_fds(int *enter_fd, int *exit_fd, int *beauty_fd);
struct bpf_program *augmented_syscalls__find_by_title(const char *name);
struct bpf_program *augmented_syscalls__unaugmented_enter(void);
struct bpf_program *augmented_syscalls__unaugmented_exit(void);
void augmented_syscalls__cleanup(void);

#else /* !HAVE_BPF_SKEL */

static inline int augmented_syscalls__prepare(void)
{
	return -1;
}

static inline int augmented_syscalls__attach(void)
{
	return 0;
}

static inline int augmented_syscalls__create_bpf_output(struct evlist *evlist __maybe_unused)
{
	return -1;
}

static inline void augmented_syscalls__setup_bpf_output(void)
{
}

static inline int augmented_syscalls__set_filter_pids(unsigned int nr __maybe_unused,
						      pid_t *pids __maybe_unused)
{
	return 0;
}

static inline void
augmented_syscalls__set_target_pids(struct perf_thread_map *threads __maybe_unused,
				    bool inherit __maybe_unused,
				    bool uses_tgid __maybe_unused,
				    bool on_exec __maybe_unused)
{
}

static inline int augmented_syscalls__lost_tasks(void)
{
	return 0;
}

static inline int augmented_syscalls__get_map_fds(int *enter_fd __maybe_unused,
						  int *exit_fd __maybe_unused,
						  int *beauty_fd __maybe_unused)
{
	return -1;
}

static inline struct bpf_program *
augmented_syscalls__find_by_title(const char *name __maybe_unused)
{
	return NULL;
}

static inline struct bpf_program *augmented_syscalls__unaugmented_enter(void)
{
	return NULL;
}

static inline struct bpf_program *augmented_syscalls__unaugmented_exit(void)
{
	return NULL;
}

static inline void augmented_syscalls__cleanup(void)
{
}

#endif /* HAVE_BPF_SKEL */

#endif