forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
168 lines
4.1 KiB
168 lines
4.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#ifndef __PERF_HEADER_H |
|
#define __PERF_HEADER_H |
|
|
|
#include <linux/stddef.h> |
|
#include <linux/perf_event.h> |
|
#include <sys/types.h> |
|
#include <stdio.h> // FILE |
|
#include <stdbool.h> |
|
#include <linux/bitmap.h> |
|
#include <linux/types.h> |
|
#include "env.h" |
|
#include "pmu.h" |
|
|
|
enum { |
|
HEADER_RESERVED = 0, /* always cleared */ |
|
HEADER_FIRST_FEATURE = 1, |
|
HEADER_TRACING_DATA = 1, |
|
HEADER_BUILD_ID, |
|
|
|
HEADER_HOSTNAME, |
|
HEADER_OSRELEASE, |
|
HEADER_VERSION, |
|
HEADER_ARCH, |
|
HEADER_NRCPUS, |
|
HEADER_CPUDESC, |
|
HEADER_CPUID, |
|
HEADER_TOTAL_MEM, |
|
HEADER_CMDLINE, |
|
HEADER_EVENT_DESC, |
|
HEADER_CPU_TOPOLOGY, |
|
HEADER_NUMA_TOPOLOGY, |
|
HEADER_BRANCH_STACK, |
|
HEADER_PMU_MAPPINGS, |
|
HEADER_GROUP_DESC, |
|
HEADER_AUXTRACE, |
|
HEADER_STAT, |
|
HEADER_CACHE, |
|
HEADER_SAMPLE_TIME, |
|
HEADER_MEM_TOPOLOGY, |
|
HEADER_CLOCKID, |
|
HEADER_DIR_FORMAT, |
|
HEADER_BPF_PROG_INFO, |
|
HEADER_BPF_BTF, |
|
HEADER_COMPRESSED, |
|
HEADER_CPU_PMU_CAPS, |
|
HEADER_CLOCK_DATA, |
|
HEADER_HYBRID_TOPOLOGY, |
|
HEADER_HYBRID_CPU_PMU_CAPS, |
|
HEADER_LAST_FEATURE, |
|
HEADER_FEAT_BITS = 256, |
|
}; |
|
|
|
enum perf_header_version { |
|
PERF_HEADER_VERSION_1, |
|
PERF_HEADER_VERSION_2, |
|
}; |
|
|
|
struct perf_file_section { |
|
u64 offset; |
|
u64 size; |
|
}; |
|
|
|
struct perf_file_header { |
|
u64 magic; |
|
u64 size; |
|
u64 attr_size; |
|
struct perf_file_section attrs; |
|
struct perf_file_section data; |
|
/* event_types is ignored */ |
|
struct perf_file_section event_types; |
|
DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); |
|
}; |
|
|
|
struct perf_pipe_file_header { |
|
u64 magic; |
|
u64 size; |
|
}; |
|
|
|
struct perf_header; |
|
|
|
int perf_file_header__read(struct perf_file_header *header, |
|
struct perf_header *ph, int fd); |
|
|
|
struct perf_header { |
|
enum perf_header_version version; |
|
bool needs_swap; |
|
u64 data_offset; |
|
u64 data_size; |
|
u64 feat_offset; |
|
DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); |
|
struct perf_env env; |
|
}; |
|
|
|
struct feat_fd { |
|
struct perf_header *ph; |
|
int fd; |
|
void *buf; /* Either buf != NULL or fd >= 0 */ |
|
ssize_t offset; |
|
size_t size; |
|
struct evsel *events; |
|
}; |
|
|
|
struct perf_header_feature_ops { |
|
int (*write)(struct feat_fd *ff, struct evlist *evlist); |
|
void (*print)(struct feat_fd *ff, FILE *fp); |
|
int (*process)(struct feat_fd *ff, void *data); |
|
const char *name; |
|
bool full_only; |
|
bool synthesize; |
|
}; |
|
|
|
struct evlist; |
|
struct perf_session; |
|
struct perf_tool; |
|
union perf_event; |
|
|
|
int perf_session__read_header(struct perf_session *session, int repipe_fd); |
|
int perf_session__write_header(struct perf_session *session, |
|
struct evlist *evlist, |
|
int fd, bool at_exit); |
|
int perf_header__write_pipe(int fd); |
|
|
|
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); |
|
|
|
int perf_header__set_cmdline(int argc, const char **argv); |
|
|
|
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)); |
|
|
|
int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full); |
|
|
|
int perf_event__process_feature(struct perf_session *session, |
|
union perf_event *event); |
|
int perf_event__process_attr(struct perf_tool *tool, union perf_event *event, |
|
struct evlist **pevlist); |
|
int perf_event__process_event_update(struct perf_tool *tool, |
|
union perf_event *event, |
|
struct evlist **pevlist); |
|
size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp); |
|
int perf_event__process_tracing_data(struct perf_session *session, |
|
union perf_event *event); |
|
int perf_event__process_build_id(struct perf_session *session, |
|
union perf_event *event); |
|
bool is_perf_magic(u64 magic); |
|
|
|
#define NAME_ALIGN 64 |
|
|
|
struct feat_fd; |
|
|
|
int do_write(struct feat_fd *fd, const void *buf, size_t size); |
|
|
|
int write_padded(struct feat_fd *fd, const void *bf, |
|
size_t count, size_t count_aligned); |
|
|
|
/* |
|
* arch specific callback |
|
*/ |
|
int get_cpuid(char *buffer, size_t sz); |
|
|
|
char *get_cpuid_str(struct perf_pmu *pmu __maybe_unused); |
|
int strcmp_cpuid_str(const char *s1, const char *s2); |
|
#endif /* __PERF_HEADER_H */
|
|
|