Contributors: 32
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Arnaldo Carvalho de Melo |
246 |
30.94% |
23 |
22.33% |
| Peter Zijlstra |
90 |
11.32% |
3 |
2.91% |
| Adrian Hunter |
68 |
8.55% |
6 |
5.83% |
| Jiri Olsa |
58 |
7.30% |
15 |
14.56% |
| Stéphane Eranian |
56 |
7.04% |
3 |
2.91% |
| David Carrillo-Cisneros |
52 |
6.54% |
7 |
6.80% |
| Tom Zanussi |
42 |
5.28% |
4 |
3.88% |
| Frédéric Weisbecker |
22 |
2.77% |
4 |
3.88% |
| Ingo Molnar |
20 |
2.52% |
3 |
2.91% |
| Robert Richter |
20 |
2.52% |
4 |
3.88% |
| K Prateek Nayak |
16 |
2.01% |
1 |
0.97% |
| Thomas Richter |
14 |
1.76% |
1 |
0.97% |
| Namhyung Kim |
13 |
1.64% |
4 |
3.88% |
| Raul Silvera |
10 |
1.26% |
1 |
0.97% |
| Sukadev Bhattiprolu |
8 |
1.01% |
2 |
1.94% |
| Athira Rajeev |
8 |
1.01% |
1 |
0.97% |
| Feng Tang |
7 |
0.88% |
1 |
0.97% |
| Jin Yao |
5 |
0.63% |
3 |
2.91% |
| Ian Rogers |
5 |
0.63% |
1 |
0.97% |
| Roberto Agostino Vitillo |
5 |
0.63% |
1 |
0.97% |
| Song Liu |
4 |
0.50% |
2 |
1.94% |
| OGAWA Hirofumi |
4 |
0.50% |
1 |
0.97% |
| Arjan van de Ven |
4 |
0.50% |
1 |
0.97% |
| Alexey Budankov |
4 |
0.50% |
2 |
1.94% |
| John Kacur |
3 |
0.38% |
1 |
0.97% |
| Kan Liang |
3 |
0.38% |
2 |
1.94% |
| Kyle Meyer |
2 |
0.25% |
1 |
0.97% |
| Yanmin Zhang |
2 |
0.25% |
1 |
0.97% |
| David Howells |
1 |
0.13% |
1 |
0.97% |
| Greg Kroah-Hartman |
1 |
0.13% |
1 |
0.97% |
| Ravi Bangoria |
1 |
0.13% |
1 |
0.97% |
| Paul Mackerras |
1 |
0.13% |
1 |
0.97% |
| Total |
795 |
|
103 |
|
/* 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_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;
extern const char perf_version_string[];
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);
/* feat_writer writes a feature section to output */
struct feat_writer {
int (*write)(struct feat_writer *fw, void *buf, size_t sz);
};
/* feat_copier copies a feature section using feat_writer to output */
struct feat_copier {
int (*copy)(struct feat_copier *fc, int feat, struct feat_writer *fw);
};
int perf_session__inject_header(struct perf_session *session,
struct evlist *evlist,
int fd,
struct feat_copier *fc);
size_t perf_session__data_offset(const struct evlist *evlist);
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);
#ifdef HAVE_LIBTRACEEVENT
int perf_event__process_tracing_data(struct perf_session *session,
union perf_event *event);
#endif
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);
#define MAX_CACHE_LVL 4
int is_cpu_online(unsigned int cpu);
int build_caches_for_cpu(u32 cpu, struct cpu_cache_level caches[], u32 *cntp);
/*
* 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 */