1#ifndef __PERF_HEADER_H
2#define __PERF_HEADER_H
3
4#include <linux/perf_event.h>
5#include <sys/types.h>
6#include <stdbool.h>
7#include "types.h"
8#include "event.h"
9
10#include <linux/bitmap.h>
11
12enum {
13 HEADER_RESERVED = 0,
14 HEADER_FIRST_FEATURE = 1,
15 HEADER_TRACING_DATA = 1,
16 HEADER_BUILD_ID,
17
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,
30 HEADER_BRANCH_STACK,
31 HEADER_PMU_MAPPINGS,
32 HEADER_GROUP_DESC,
33 HEADER_LAST_FEATURE,
34 HEADER_FEAT_BITS = 256,
35};
36
37struct perf_file_section {
38 u64 offset;
39 u64 size;
40};
41
42struct perf_file_header {
43 u64 magic;
44 u64 size;
45 u64 attr_size;
46 struct perf_file_section attrs;
47 struct perf_file_section data;
48 struct perf_file_section event_types;
49 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
50};
51
52struct perf_pipe_file_header {
53 u64 magic;
54 u64 size;
55};
56
57struct perf_header;
58
59int perf_file_header__read(struct perf_file_header *header,
60 struct perf_header *ph, int fd);
61
62struct perf_session_env {
63 char *hostname;
64 char *os_release;
65 char *version;
66 char *arch;
67 int nr_cpus_online;
68 int nr_cpus_avail;
69 char *cpu_desc;
70 char *cpuid;
71 unsigned long long total_mem;
72
73 int nr_cmdline;
74 char *cmdline;
75 int nr_sibling_cores;
76 char *sibling_cores;
77 int nr_sibling_threads;
78 char *sibling_threads;
79 int nr_numa_nodes;
80 char *numa_nodes;
81 int nr_pmu_mappings;
82 char *pmu_mappings;
83 int nr_groups;
84};
85
86struct perf_header {
87 int frozen;
88 bool needs_swap;
89 s64 attr_offset;
90 u64 data_offset;
91 u64 data_size;
92 u64 event_offset;
93 u64 event_size;
94 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
95 struct perf_session_env env;
96};
97
98struct perf_evlist;
99struct perf_session;
100
101int perf_session__read_header(struct perf_session *session, int fd);
102int perf_session__write_header(struct perf_session *session,
103 struct perf_evlist *evlist,
104 int fd, bool at_exit);
105int perf_header__write_pipe(int fd);
106
107int perf_header__push_event(u64 id, const char *name);
108char *perf_header__find_event(u64 id);
109
110void perf_header__set_feat(struct perf_header *header, int feat);
111void perf_header__clear_feat(struct perf_header *header, int feat);
112bool perf_header__has_feat(const struct perf_header *header, int feat);
113
114int perf_header__set_cmdline(int argc, const char **argv);
115
116int perf_header__process_sections(struct perf_header *header, int fd,
117 void *data,
118 int (*process)(struct perf_file_section *section,
119 struct perf_header *ph,
120 int feat, int fd, void *data));
121
122int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
123
124int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
125 const char *name, bool is_kallsyms, bool is_vdso);
126int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
127
128int perf_event__synthesize_attr(struct perf_tool *tool,
129 struct perf_event_attr *attr, u32 ids, u64 *id,
130 perf_event__handler_t process);
131int perf_event__synthesize_attrs(struct perf_tool *tool,
132 struct perf_session *session,
133 perf_event__handler_t process);
134int perf_event__process_attr(union perf_event *event, struct perf_evlist **pevlist);
135
136int perf_event__synthesize_event_type(struct perf_tool *tool,
137 u64 event_id, char *name,
138 perf_event__handler_t process,
139 struct machine *machine);
140int perf_event__synthesize_event_types(struct perf_tool *tool,
141 perf_event__handler_t process,
142 struct machine *machine);
143int perf_event__process_event_type(struct perf_tool *tool,
144 union perf_event *event);
145
146int perf_event__synthesize_tracing_data(struct perf_tool *tool,
147 int fd, struct perf_evlist *evlist,
148 perf_event__handler_t process);
149int perf_event__process_tracing_data(union perf_event *event,
150 struct perf_session *session);
151
152int perf_event__synthesize_build_id(struct perf_tool *tool,
153 struct dso *pos, u16 misc,
154 perf_event__handler_t process,
155 struct machine *machine);
156int perf_event__process_build_id(struct perf_tool *tool,
157 union perf_event *event,
158 struct perf_session *session);
159bool is_perf_magic(u64 magic);
160
161
162
163
164int get_cpuid(char *buffer, size_t sz);
165
166#endif
167
