1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 #ifndef __PERF_HEADER_H 1 #ifndef __PERF_HEADER_H
3 #define __PERF_HEADER_H 2 #define __PERF_HEADER_H
4 3
5 #include <linux/stddef.h> <<
6 #include <linux/perf_event.h> 4 #include <linux/perf_event.h>
7 #include <sys/types.h> 5 #include <sys/types.h>
8 #include <stdio.h> // FILE <<
9 #include <stdbool.h> 6 #include <stdbool.h>
>> 7 #include "types.h"
>> 8 #include "event.h"
>> 9
10 #include <linux/bitmap.h> 10 #include <linux/bitmap.h>
11 #include <linux/types.h> <<
12 #include "env.h" <<
13 #include "pmu.h" <<
14 11
15 enum { 12 enum {
16 HEADER_RESERVED = 0, /* alw 13 HEADER_RESERVED = 0, /* always cleared */
17 HEADER_FIRST_FEATURE = 1, 14 HEADER_FIRST_FEATURE = 1,
18 HEADER_TRACING_DATA = 1, 15 HEADER_TRACING_DATA = 1,
19 HEADER_BUILD_ID, 16 HEADER_BUILD_ID,
20 17
21 HEADER_HOSTNAME, 18 HEADER_HOSTNAME,
22 HEADER_OSRELEASE, 19 HEADER_OSRELEASE,
23 HEADER_VERSION, 20 HEADER_VERSION,
24 HEADER_ARCH, 21 HEADER_ARCH,
25 HEADER_NRCPUS, 22 HEADER_NRCPUS,
26 HEADER_CPUDESC, 23 HEADER_CPUDESC,
27 HEADER_CPUID, 24 HEADER_CPUID,
28 HEADER_TOTAL_MEM, 25 HEADER_TOTAL_MEM,
29 HEADER_CMDLINE, 26 HEADER_CMDLINE,
30 HEADER_EVENT_DESC, 27 HEADER_EVENT_DESC,
31 HEADER_CPU_TOPOLOGY, 28 HEADER_CPU_TOPOLOGY,
32 HEADER_NUMA_TOPOLOGY, 29 HEADER_NUMA_TOPOLOGY,
33 HEADER_BRANCH_STACK, 30 HEADER_BRANCH_STACK,
34 HEADER_PMU_MAPPINGS, 31 HEADER_PMU_MAPPINGS,
35 HEADER_GROUP_DESC, 32 HEADER_GROUP_DESC,
36 HEADER_AUXTRACE, <<
37 HEADER_STAT, <<
38 HEADER_CACHE, <<
39 HEADER_SAMPLE_TIME, <<
40 HEADER_MEM_TOPOLOGY, <<
41 HEADER_CLOCKID, <<
42 HEADER_DIR_FORMAT, <<
43 HEADER_BPF_PROG_INFO, <<
44 HEADER_BPF_BTF, <<
45 HEADER_COMPRESSED, <<
46 HEADER_CPU_PMU_CAPS, <<
47 HEADER_CLOCK_DATA, <<
48 HEADER_HYBRID_TOPOLOGY, <<
49 HEADER_PMU_CAPS, <<
50 HEADER_LAST_FEATURE, 33 HEADER_LAST_FEATURE,
51 HEADER_FEAT_BITS = 256, 34 HEADER_FEAT_BITS = 256,
52 }; 35 };
53 36
54 enum perf_header_version { <<
55 PERF_HEADER_VERSION_1, <<
56 PERF_HEADER_VERSION_2, <<
57 }; <<
58 <<
59 struct perf_file_section { 37 struct perf_file_section {
60 u64 offset; 38 u64 offset;
61 u64 size; 39 u64 size;
62 }; 40 };
63 41
64 /** <<
65 * struct perf_file_header: Header representat <<
66 */ <<
67 struct perf_file_header { 42 struct perf_file_header {
68 /** @magic: Holds "PERFILE2". */ <<
69 u64 magic; 43 u64 magic;
70 /** @size: Size of this header - sizeo <<
71 u64 size; 44 u64 size;
72 /** <<
73 * @attr_size: Size of attrs entries - <<
74 * sizeof(struct perf_file_section). <<
75 */ <<
76 u64 attr_s 45 u64 attr_size;
77 /** @attrs: Offset and size of file se <<
78 struct perf_file_section attrs; 46 struct perf_file_section attrs;
79 /** @data: Offset and size of file sec <<
80 struct perf_file_section data; 47 struct perf_file_section data;
81 /** @event_types: Ignored. */ <<
82 struct perf_file_section event_ 48 struct perf_file_section event_types;
83 /** <<
84 * @adds_features: Bitmap of features. <<
85 */ <<
86 DECLARE_BITMAP(adds_features, HEADER_F 49 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
87 }; 50 };
88 51
89 struct perf_pipe_file_header { 52 struct perf_pipe_file_header {
90 u64 magic; 53 u64 magic;
91 u64 size; 54 u64 size;
92 }; 55 };
93 56
94 struct perf_header; 57 struct perf_header;
95 58
96 int perf_file_header__read(struct perf_file_he 59 int perf_file_header__read(struct perf_file_header *header,
97 struct perf_header 60 struct perf_header *ph, int fd);
98 61
99 struct perf_header { !! 62 struct perf_session_env {
100 enum perf_header_version versio !! 63 char *hostname;
101 bool needs_ !! 64 char *os_release;
102 u64 data_o !! 65 char *version;
103 u64 data_s !! 66 char *arch;
104 u64 feat_o !! 67 int nr_cpus_online;
105 DECLARE_BITMAP(adds_features, HEADER_F !! 68 int nr_cpus_avail;
106 struct perf_env env; !! 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;
107 }; 84 };
108 85
109 struct feat_fd { !! 86 struct perf_header {
110 struct perf_header *ph; !! 87 int frozen;
111 int fd; !! 88 bool needs_swap;
112 void *buf; /* Eit !! 89 s64 attr_offset;
113 ssize_t offset; !! 90 u64 data_offset;
114 size_t size; !! 91 u64 data_size;
115 struct evsel *events; !! 92 u64 event_offset;
116 }; !! 93 u64 event_size;
117 !! 94 DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
118 struct perf_header_feature_ops { !! 95 struct perf_session_env env;
119 int (*write)(struct feat_fd *ff <<
120 void (*print)(struct feat_fd *ff <<
121 int (*process)(struct feat_fd * <<
122 const char *name; <<
123 bool full_only; <<
124 bool synthesize; <<
125 }; 96 };
126 97
127 struct evlist; !! 98 struct perf_evlist;
128 struct perf_session; 99 struct perf_session;
129 struct perf_tool; <<
130 union perf_event; <<
131 <<
132 extern const char perf_version_string[]; <<
133 100
134 int perf_session__read_header(struct perf_sess !! 101 int perf_session__read_header(struct perf_session *session, int fd);
135 int perf_session__write_header(struct perf_ses 102 int perf_session__write_header(struct perf_session *session,
136 struct evlist * !! 103 struct perf_evlist *evlist,
137 int fd, bool at 104 int fd, bool at_exit);
138 int perf_header__write_pipe(int fd); 105 int perf_header__write_pipe(int fd);
139 106
140 /* feat_writer writes a feature section to out !! 107 int perf_header__push_event(u64 id, const char *name);
141 struct feat_writer { !! 108 char *perf_header__find_event(u64 id);
142 int (*write)(struct feat_writer *fw, v <<
143 }; <<
144 <<
145 /* feat_copier copies a feature section using <<
146 struct feat_copier { <<
147 int (*copy)(struct feat_copier *fc, in <<
148 }; <<
149 <<
150 int perf_session__inject_header(struct perf_se <<
151 struct evlist <<
152 int fd, <<
153 struct feat_co <<
154 bool write_att <<
155 <<
156 size_t perf_session__data_offset(const struct <<
157 109
158 void perf_header__set_feat(struct perf_header 110 void perf_header__set_feat(struct perf_header *header, int feat);
159 void perf_header__clear_feat(struct perf_heade 111 void perf_header__clear_feat(struct perf_header *header, int feat);
160 bool perf_header__has_feat(const struct perf_h 112 bool perf_header__has_feat(const struct perf_header *header, int feat);
161 113
162 int perf_header__set_cmdline(int argc, const c 114 int perf_header__set_cmdline(int argc, const char **argv);
163 115
164 int perf_header__process_sections(struct perf_ 116 int perf_header__process_sections(struct perf_header *header, int fd,
165 void *data, 117 void *data,
166 int (*proces 118 int (*process)(struct perf_file_section *section,
167 struct perf_ 119 struct perf_header *ph,
168 int feat, in 120 int feat, int fd, void *data));
169 121
170 int perf_header__fprintf_info(struct perf_sess 122 int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);
171 123
172 int perf_event__process_feature(struct perf_se !! 124 int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
173 union perf_eve !! 125 const char *name, bool is_kallsyms, bool is_vdso);
174 int perf_event__process_attr(const struct perf !! 126 int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
175 struct evlist **p !! 127
176 int perf_event__process_event_update(const str !! 128 int perf_event__synthesize_attr(struct perf_tool *tool,
177 union per !! 129 struct perf_event_attr *attr, u32 ids, u64 *id,
178 struct ev !! 130 perf_event__handler_t process);
179 size_t perf_event__fprintf_event_update(union !! 131 int perf_event__synthesize_attrs(struct perf_tool *tool,
180 #ifdef HAVE_LIBTRACEEVENT !! 132 struct perf_session *session,
181 int perf_event__process_tracing_data(struct pe !! 133 perf_event__handler_t process);
182 union per !! 134 int perf_event__process_attr(union perf_event *event, struct perf_evlist **pevlist);
183 #endif !! 135
184 int perf_event__process_build_id(struct perf_s !! 136 int perf_event__synthesize_event_type(struct perf_tool *tool,
185 union perf_ev !! 137 u64 event_id, char *name,
>> 138 perf_event__handler_t process,
>> 139 struct machine *machine);
>> 140 int perf_event__synthesize_event_types(struct perf_tool *tool,
>> 141 perf_event__handler_t process,
>> 142 struct machine *machine);
>> 143 int perf_event__process_event_type(struct perf_tool *tool,
>> 144 union perf_event *event);
>> 145
>> 146 int perf_event__synthesize_tracing_data(struct perf_tool *tool,
>> 147 int fd, struct perf_evlist *evlist,
>> 148 perf_event__handler_t process);
>> 149 int perf_event__process_tracing_data(union perf_event *event,
>> 150 struct perf_session *session);
>> 151
>> 152 int 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);
>> 156 int perf_event__process_build_id(struct perf_tool *tool,
>> 157 union perf_event *event,
>> 158 struct perf_session *session);
186 bool is_perf_magic(u64 magic); 159 bool is_perf_magic(u64 magic);
187 160
188 #define NAME_ALIGN 64 <<
189 <<
190 struct feat_fd; <<
191 <<
192 int do_write(struct feat_fd *fd, const void *b <<
193 <<
194 int write_padded(struct feat_fd *fd, const voi <<
195 size_t count, size_t count_al <<
196 <<
197 #define MAX_CACHE_LVL 4 <<
198 <<
199 int is_cpu_online(unsigned int cpu); <<
200 int build_caches_for_cpu(u32 cpu, struct cpu_c <<
201 <<
202 /* 161 /*
203 * arch specific callback 162 * arch specific callback
204 */ 163 */
205 int get_cpuid(char *buffer, size_t sz); 164 int get_cpuid(char *buffer, size_t sz);
206 165
207 char *get_cpuid_str(struct perf_pmu *pmu __may <<
208 int strcmp_cpuid_str(const char *s1, const cha <<
209 #endif /* __PERF_HEADER_H */ 166 #endif /* __PERF_HEADER_H */
210 167
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