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