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John Kacur8b40f522009-09-24 18:02:18 +02001#ifndef __PERF_HEADER_H
2#define __PERF_HEADER_H
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02003
David Howellsd2709c72012-11-19 22:21:03 +00004#include <linux/perf_event.h>
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02005#include <sys/types.h>
Arnaldo Carvalho de Melo8d063672009-11-04 18:50:43 -02006#include <stdbool.h>
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02007#include "types.h"
Arnaldo Carvalho de Meloef12a142010-01-20 15:28:45 -02008#include "event.h"
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02009
Frederic Weisbeckerdb9f11e2009-10-17 17:57:18 +020010#include <linux/bitmap.h>
11
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020012enum {
Robert Richterb1e5a9b2011-12-07 10:02:57 +010013 HEADER_RESERVED = 0, /* always cleared */
Robert Richter781ba9d2011-12-15 17:32:40 +010014 HEADER_FIRST_FEATURE = 1,
Stephane Eranian2eeaaa02012-05-15 13:28:13 +020015 HEADER_TRACING_DATA = 1,
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020016 HEADER_BUILD_ID,
Stephane Eranianfbe96f22011-09-30 15:40:40 +020017
18 HEADER_HOSTNAME,
19 HEADER_OSRELEASE,
20 HEADER_VERSION,
21 HEADER_ARCH,
22 HEADER_NRCPUS,
23 HEADER_CPUDESC,
24 HEADER_CPUID,
25 HEADER_TOTAL_MEM,
26 HEADER_CMDLINE,
27 HEADER_EVENT_DESC,
28 HEADER_CPU_TOPOLOGY,
29 HEADER_NUMA_TOPOLOGY,
Stephane Eranian330aa672012-03-08 23:47:46 +010030 HEADER_BRANCH_STACK,
Robert Richter50a96672012-08-16 21:10:24 +020031 HEADER_PMU_MAPPINGS,
Namhyung Kima8bb5592013-01-22 18:09:31 +090032 HEADER_GROUP_DESC,
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020033 HEADER_LAST_FEATURE,
Robert Richterb1e5a9b2011-12-07 10:02:57 +010034 HEADER_FEAT_BITS = 256,
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020035};
Frederic Weisbecker2ba08252009-10-17 17:12:34 +020036
Jiri Olsa2a08c3e2013-07-17 19:49:47 +020037enum perf_header_version {
38 PERF_HEADER_VERSION_1,
39 PERF_HEADER_VERSION_2,
40};
41
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020042struct perf_file_section {
43 u64 offset;
44 u64 size;
45};
46
47struct perf_file_header {
48 u64 magic;
49 u64 size;
50 u64 attr_size;
51 struct perf_file_section attrs;
52 struct perf_file_section data;
Jiri Olsa44b3c572013-07-11 17:28:31 +020053 /* event_types is ignored */
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020054 struct perf_file_section event_types;
55 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
56};
57
Tom Zanussi8dc58102010-04-01 23:59:15 -050058struct perf_pipe_file_header {
59 u64 magic;
60 u64 size;
61};
62
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020063struct perf_header;
64
Arnaldo Carvalho de Melo1c0b04d2011-03-09 08:13:19 -030065int perf_file_header__read(struct perf_file_header *header,
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -020066 struct perf_header *ph, int fd);
67
Namhyung Kime93699b2012-09-24 17:14:58 +090068struct perf_session_env {
69 char *hostname;
70 char *os_release;
71 char *version;
72 char *arch;
73 int nr_cpus_online;
74 int nr_cpus_avail;
75 char *cpu_desc;
76 char *cpuid;
77 unsigned long long total_mem;
78
79 int nr_cmdline;
80 char *cmdline;
81 int nr_sibling_cores;
82 char *sibling_cores;
83 int nr_sibling_threads;
84 char *sibling_threads;
85 int nr_numa_nodes;
86 char *numa_nodes;
87 int nr_pmu_mappings;
88 char *pmu_mappings;
Namhyung Kima8bb5592013-01-22 18:09:31 +090089 int nr_groups;
Namhyung Kime93699b2012-09-24 17:14:58 +090090};
91
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020092struct perf_header {
Jiri Olsa2a08c3e2013-07-17 19:49:47 +020093 enum perf_header_version version;
94 bool needs_swap;
95 u64 data_offset;
96 u64 data_size;
97 u64 feat_offset;
Frederic Weisbeckerdb9f11e2009-10-17 17:57:18 +020098 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
Jiri Olsa2a08c3e2013-07-17 19:49:47 +020099 struct perf_session_env env;
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +0200100};
101
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -0200102struct perf_evlist;
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200103struct perf_session;
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -0200104
Jiri Olsad4339562013-07-17 19:49:41 +0200105int perf_session__read_header(struct perf_session *session);
Arnaldo Carvalho de Meloa91e5432011-03-10 11:15:54 -0300106int perf_session__write_header(struct perf_session *session,
107 struct perf_evlist *evlist,
108 int fd, bool at_exit);
Tom Zanussi8dc58102010-04-01 23:59:15 -0500109int perf_header__write_pipe(int fd);
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +0200110
Arnaldo Carvalho de Melo1c0b04d2011-03-09 08:13:19 -0300111void perf_header__set_feat(struct perf_header *header, int feat);
112void perf_header__clear_feat(struct perf_header *header, int feat);
113bool perf_header__has_feat(const struct perf_header *header, int feat);
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +0200114
Stephane Eranianfbe96f22011-09-30 15:40:40 +0200115int perf_header__set_cmdline(int argc, const char **argv);
116
Arnaldo Carvalho de Melo1c0b04d2011-03-09 08:13:19 -0300117int perf_header__process_sections(struct perf_header *header, int fd,
Stephane Eranianfbe96f22011-09-30 15:40:40 +0200118 void *data,
Arnaldo Carvalho de Melo1c0b04d2011-03-09 08:13:19 -0300119 int (*process)(struct perf_file_section *section,
Stephane Eranianfbe96f22011-09-30 15:40:40 +0200120 struct perf_header *ph,
121 int feat, int fd, void *data));
122
123int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
Arnaldo Carvalho de Melo37562ea2009-11-16 16:32:43 -0200124
Arnaldo Carvalho de Meloef12a142010-01-20 15:28:45 -0200125int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
Jiri Olsa7dbf4dc2012-09-10 18:50:19 +0200126 const char *name, bool is_kallsyms, bool is_vdso);
Arnaldo Carvalho de Meloef12a142010-01-20 15:28:45 -0200127int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
128
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200129int perf_event__synthesize_attr(struct perf_tool *tool,
Robert Richterf4d83432012-08-16 21:10:17 +0200130 struct perf_event_attr *attr, u32 ids, u64 *id,
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200131 perf_event__handler_t process);
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200132int perf_event__synthesize_attrs(struct perf_tool *tool,
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200133 struct perf_session *session,
134 perf_event__handler_t process);
Adrian Hunter47c3d102013-07-04 16:20:21 +0300135int perf_event__process_attr(struct perf_tool *tool, union perf_event *event,
136 struct perf_evlist **pevlist);
Tom Zanussicd19a032010-04-01 23:59:20 -0500137
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200138int perf_event__synthesize_tracing_data(struct perf_tool *tool,
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200139 int fd, struct perf_evlist *evlist,
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200140 perf_event__handler_t process);
Adrian Hunter47c3d102013-07-04 16:20:21 +0300141int perf_event__process_tracing_data(struct perf_tool *tool,
142 union perf_event *event,
Arnaldo Carvalho de Melo8115d602011-01-29 14:01:45 -0200143 struct perf_session *session);
144
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200145int perf_event__synthesize_build_id(struct perf_tool *tool,
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200146 struct dso *pos, u16 misc,
Arnaldo Carvalho de Melo8115d602011-01-29 14:01:45 -0200147 perf_event__handler_t process,
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200148 struct machine *machine);
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200149int perf_event__process_build_id(struct perf_tool *tool,
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200150 union perf_event *event,
Arnaldo Carvalho de Melo8115d602011-01-29 14:01:45 -0200151 struct perf_session *session);
Feng Tange84ba4e2012-10-30 11:56:07 +0800152bool is_perf_magic(u64 magic);
Stephane Eranianfbe96f22011-09-30 15:40:40 +0200153
154/*
155 * arch specific callback
156 */
157int get_cpuid(char *buffer, size_t sz);
158
John Kacur8b40f522009-09-24 18:02:18 +0200159#endif /* __PERF_HEADER_H */