18b40f521SJohn Kacur #ifndef __PERF_HEADER_H 28b40f521SJohn Kacur #define __PERF_HEADER_H 37c6a1c65SPeter Zijlstra 4d2709c7cSDavid Howells #include <linux/perf_event.h> 57c6a1c65SPeter Zijlstra #include <sys/types.h> 68d06367fSArnaldo Carvalho de Melo #include <stdbool.h> 77c6a1c65SPeter Zijlstra #include "types.h" 8ef12a141SArnaldo Carvalho de Melo #include "event.h" 97c6a1c65SPeter Zijlstra 10db9f11e3SFrederic Weisbecker #include <linux/bitmap.h> 11db9f11e3SFrederic Weisbecker 1237562eacSArnaldo Carvalho de Melo enum { 13b1e5a9beSRobert Richter HEADER_RESERVED = 0, /* always cleared */ 14781ba9d2SRobert Richter HEADER_FIRST_FEATURE = 1, 152eeaaa09SStephane Eranian HEADER_TRACING_DATA = 1, 1637562eacSArnaldo Carvalho de Melo HEADER_BUILD_ID, 17fbe96f29SStephane Eranian 18fbe96f29SStephane Eranian HEADER_HOSTNAME, 19fbe96f29SStephane Eranian HEADER_OSRELEASE, 20fbe96f29SStephane Eranian HEADER_VERSION, 21fbe96f29SStephane Eranian HEADER_ARCH, 22fbe96f29SStephane Eranian HEADER_NRCPUS, 23fbe96f29SStephane Eranian HEADER_CPUDESC, 24fbe96f29SStephane Eranian HEADER_CPUID, 25fbe96f29SStephane Eranian HEADER_TOTAL_MEM, 26fbe96f29SStephane Eranian HEADER_CMDLINE, 27fbe96f29SStephane Eranian HEADER_EVENT_DESC, 28fbe96f29SStephane Eranian HEADER_CPU_TOPOLOGY, 29fbe96f29SStephane Eranian HEADER_NUMA_TOPOLOGY, 30330aa675SStephane Eranian HEADER_BRANCH_STACK, 3150a9667cSRobert Richter HEADER_PMU_MAPPINGS, 32a8bb559bSNamhyung Kim HEADER_GROUP_DESC, 3337562eacSArnaldo Carvalho de Melo HEADER_LAST_FEATURE, 34b1e5a9beSRobert Richter HEADER_FEAT_BITS = 256, 3537562eacSArnaldo Carvalho de Melo }; 362ba08250SFrederic Weisbecker 3737562eacSArnaldo Carvalho de Melo struct perf_file_section { 3837562eacSArnaldo Carvalho de Melo u64 offset; 3937562eacSArnaldo Carvalho de Melo u64 size; 4037562eacSArnaldo Carvalho de Melo }; 4137562eacSArnaldo Carvalho de Melo 4237562eacSArnaldo Carvalho de Melo struct perf_file_header { 4337562eacSArnaldo Carvalho de Melo u64 magic; 4437562eacSArnaldo Carvalho de Melo u64 size; 4537562eacSArnaldo Carvalho de Melo u64 attr_size; 4637562eacSArnaldo Carvalho de Melo struct perf_file_section attrs; 4737562eacSArnaldo Carvalho de Melo struct perf_file_section data; 4837562eacSArnaldo Carvalho de Melo struct perf_file_section event_types; 4937562eacSArnaldo Carvalho de Melo DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 5037562eacSArnaldo Carvalho de Melo }; 5137562eacSArnaldo Carvalho de Melo 528dc58101STom Zanussi struct perf_pipe_file_header { 538dc58101STom Zanussi u64 magic; 548dc58101STom Zanussi u64 size; 558dc58101STom Zanussi }; 568dc58101STom Zanussi 5737562eacSArnaldo Carvalho de Melo struct perf_header; 5837562eacSArnaldo Carvalho de Melo 591c0b04d1SArnaldo Carvalho de Melo int perf_file_header__read(struct perf_file_header *header, 6037562eacSArnaldo Carvalho de Melo struct perf_header *ph, int fd); 6137562eacSArnaldo Carvalho de Melo 62e93699b3SNamhyung Kim struct perf_session_env { 63e93699b3SNamhyung Kim char *hostname; 64e93699b3SNamhyung Kim char *os_release; 65e93699b3SNamhyung Kim char *version; 66e93699b3SNamhyung Kim char *arch; 67e93699b3SNamhyung Kim int nr_cpus_online; 68e93699b3SNamhyung Kim int nr_cpus_avail; 69e93699b3SNamhyung Kim char *cpu_desc; 70e93699b3SNamhyung Kim char *cpuid; 71e93699b3SNamhyung Kim unsigned long long total_mem; 72e93699b3SNamhyung Kim 73e93699b3SNamhyung Kim int nr_cmdline; 74e93699b3SNamhyung Kim char *cmdline; 75e93699b3SNamhyung Kim int nr_sibling_cores; 76e93699b3SNamhyung Kim char *sibling_cores; 77e93699b3SNamhyung Kim int nr_sibling_threads; 78e93699b3SNamhyung Kim char *sibling_threads; 79e93699b3SNamhyung Kim int nr_numa_nodes; 80e93699b3SNamhyung Kim char *numa_nodes; 81e93699b3SNamhyung Kim int nr_pmu_mappings; 82e93699b3SNamhyung Kim char *pmu_mappings; 83a8bb559bSNamhyung Kim int nr_groups; 84e93699b3SNamhyung Kim }; 85e93699b3SNamhyung Kim 867c6a1c65SPeter Zijlstra struct perf_header { 877c6a1c65SPeter Zijlstra int frozen; 88eed05fe7SArnaldo Carvalho de Melo bool needs_swap; 89dfe5a504SArjan van de Ven s64 attr_offset; 907c6a1c65SPeter Zijlstra u64 data_offset; 917c6a1c65SPeter Zijlstra u64 data_size; 928755a8f2SArjan van de Ven u64 event_offset; 938755a8f2SArjan van de Ven u64 event_size; 94db9f11e3SFrederic Weisbecker DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 95e93699b3SNamhyung Kim struct perf_session_env env; 967c6a1c65SPeter Zijlstra }; 977c6a1c65SPeter Zijlstra 98361c99a6SArnaldo Carvalho de Melo struct perf_evlist; 99d20deb64SArnaldo Carvalho de Melo struct perf_session; 100361c99a6SArnaldo Carvalho de Melo 101a91e5431SArnaldo Carvalho de Melo int perf_session__read_header(struct perf_session *session, int fd); 102a91e5431SArnaldo Carvalho de Melo int perf_session__write_header(struct perf_session *session, 103a91e5431SArnaldo Carvalho de Melo struct perf_evlist *evlist, 104361c99a6SArnaldo Carvalho de Melo int fd, bool at_exit); 1058dc58101STom Zanussi int perf_header__write_pipe(int fd); 1067c6a1c65SPeter Zijlstra 107ae99fb2cSArnaldo Carvalho de Melo int perf_header__push_event(u64 id, const char *name); 1088755a8f2SArjan van de Ven char *perf_header__find_event(u64 id); 1098755a8f2SArjan van de Ven 1101c0b04d1SArnaldo Carvalho de Melo void perf_header__set_feat(struct perf_header *header, int feat); 1111c0b04d1SArnaldo Carvalho de Melo void perf_header__clear_feat(struct perf_header *header, int feat); 1121c0b04d1SArnaldo Carvalho de Melo bool perf_header__has_feat(const struct perf_header *header, int feat); 1137c6a1c65SPeter Zijlstra 114fbe96f29SStephane Eranian int perf_header__set_cmdline(int argc, const char **argv); 115fbe96f29SStephane Eranian 1161c0b04d1SArnaldo Carvalho de Melo int perf_header__process_sections(struct perf_header *header, int fd, 117fbe96f29SStephane Eranian void *data, 1181c0b04d1SArnaldo Carvalho de Melo int (*process)(struct perf_file_section *section, 119ba21594cSArnaldo Carvalho de Melo struct perf_header *ph, 120fbe96f29SStephane Eranian int feat, int fd, void *data)); 121fbe96f29SStephane Eranian 122fbe96f29SStephane Eranian int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full); 12337562eacSArnaldo Carvalho de Melo 124ef12a141SArnaldo Carvalho de Melo int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, 1257dbf4dcfSJiri Olsa const char *name, bool is_kallsyms, bool is_vdso); 126ef12a141SArnaldo Carvalho de Melo int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir); 127ef12a141SArnaldo Carvalho de Melo 12845694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_attr(struct perf_tool *tool, 129f4d83436SRobert Richter struct perf_event_attr *attr, u32 ids, u64 *id, 130743eb868SArnaldo Carvalho de Melo perf_event__handler_t process); 13145694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_attrs(struct perf_tool *tool, 132d20deb64SArnaldo Carvalho de Melo struct perf_session *session, 133a91e5431SArnaldo Carvalho de Melo perf_event__handler_t process); 13410d0f086SArnaldo Carvalho de Melo int perf_event__process_attr(union perf_event *event, struct perf_evlist **pevlist); 1352c46dbb5STom Zanussi 13645694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_event_type(struct perf_tool *tool, 137d20deb64SArnaldo Carvalho de Melo u64 event_id, char *name, 1388115d60cSArnaldo Carvalho de Melo perf_event__handler_t process, 139743eb868SArnaldo Carvalho de Melo struct machine *machine); 14045694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_event_types(struct perf_tool *tool, 141d20deb64SArnaldo Carvalho de Melo perf_event__handler_t process, 142743eb868SArnaldo Carvalho de Melo struct machine *machine); 14345694aa7SArnaldo Carvalho de Melo int perf_event__process_event_type(struct perf_tool *tool, 144743eb868SArnaldo Carvalho de Melo union perf_event *event); 145cd19a035STom Zanussi 14645694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_tracing_data(struct perf_tool *tool, 147d20deb64SArnaldo Carvalho de Melo int fd, struct perf_evlist *evlist, 148743eb868SArnaldo Carvalho de Melo perf_event__handler_t process); 1498115d60cSArnaldo Carvalho de Melo int perf_event__process_tracing_data(union perf_event *event, 1509215545eSTom Zanussi struct perf_session *session); 151cd19a035STom Zanussi 15245694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_build_id(struct perf_tool *tool, 153d20deb64SArnaldo Carvalho de Melo struct dso *pos, u16 misc, 1548115d60cSArnaldo Carvalho de Melo perf_event__handler_t process, 155743eb868SArnaldo Carvalho de Melo struct machine *machine); 15645694aa7SArnaldo Carvalho de Melo int perf_event__process_build_id(struct perf_tool *tool, 157d20deb64SArnaldo Carvalho de Melo union perf_event *event, 1588115d60cSArnaldo Carvalho de Melo struct perf_session *session); 159e84ba4e2SFeng Tang bool is_perf_magic(u64 magic); 160fbe96f29SStephane Eranian 161fbe96f29SStephane Eranian /* 162fbe96f29SStephane Eranian * arch specific callback 163fbe96f29SStephane Eranian */ 164fbe96f29SStephane Eranian int get_cpuid(char *buffer, size_t sz); 165fbe96f29SStephane Eranian 1668b40f521SJohn Kacur #endif /* __PERF_HEADER_H */ 167