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> 7d944c4eeSBorislav Petkov #include <linux/bitmap.h> 8d944c4eeSBorislav Petkov #include <linux/types.h> 9ef12a141SArnaldo Carvalho de Melo #include "event.h" 10f0ce888cSArnaldo Carvalho de Melo #include "env.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, 334025ea40SAdrian Hunter HEADER_AUXTRACE, 3437562eacSArnaldo Carvalho de Melo HEADER_LAST_FEATURE, 35b1e5a9beSRobert Richter HEADER_FEAT_BITS = 256, 3637562eacSArnaldo Carvalho de Melo }; 372ba08250SFrederic Weisbecker 382a08c3ecSJiri Olsa enum perf_header_version { 392a08c3ecSJiri Olsa PERF_HEADER_VERSION_1, 402a08c3ecSJiri Olsa PERF_HEADER_VERSION_2, 412a08c3ecSJiri Olsa }; 422a08c3ecSJiri Olsa 4337562eacSArnaldo Carvalho de Melo struct perf_file_section { 4437562eacSArnaldo Carvalho de Melo u64 offset; 4537562eacSArnaldo Carvalho de Melo u64 size; 4637562eacSArnaldo Carvalho de Melo }; 4737562eacSArnaldo Carvalho de Melo 4837562eacSArnaldo Carvalho de Melo struct perf_file_header { 4937562eacSArnaldo Carvalho de Melo u64 magic; 5037562eacSArnaldo Carvalho de Melo u64 size; 5137562eacSArnaldo Carvalho de Melo u64 attr_size; 5237562eacSArnaldo Carvalho de Melo struct perf_file_section attrs; 5337562eacSArnaldo Carvalho de Melo struct perf_file_section data; 5444b3c578SJiri Olsa /* event_types is ignored */ 5537562eacSArnaldo Carvalho de Melo struct perf_file_section event_types; 5637562eacSArnaldo Carvalho de Melo DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 5737562eacSArnaldo Carvalho de Melo }; 5837562eacSArnaldo Carvalho de Melo 598dc58101STom Zanussi struct perf_pipe_file_header { 608dc58101STom Zanussi u64 magic; 618dc58101STom Zanussi u64 size; 628dc58101STom Zanussi }; 638dc58101STom Zanussi 6437562eacSArnaldo Carvalho de Melo struct perf_header; 6537562eacSArnaldo Carvalho de Melo 661c0b04d1SArnaldo Carvalho de Melo int perf_file_header__read(struct perf_file_header *header, 6737562eacSArnaldo Carvalho de Melo struct perf_header *ph, int fd); 6837562eacSArnaldo Carvalho de Melo 697c6a1c65SPeter Zijlstra struct perf_header { 702a08c3ecSJiri Olsa enum perf_header_version version; 71eed05fe7SArnaldo Carvalho de Melo bool needs_swap; 727c6a1c65SPeter Zijlstra u64 data_offset; 737c6a1c65SPeter Zijlstra u64 data_size; 748d541e97SJiri Olsa u64 feat_offset; 75db9f11e3SFrederic Weisbecker DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 76ce80d3beSKan Liang struct perf_env env; 777c6a1c65SPeter Zijlstra }; 787c6a1c65SPeter Zijlstra 79361c99a6SArnaldo Carvalho de Melo struct perf_evlist; 80d20deb64SArnaldo Carvalho de Melo struct perf_session; 81361c99a6SArnaldo Carvalho de Melo 82d4339569SJiri Olsa int perf_session__read_header(struct perf_session *session); 83a91e5431SArnaldo Carvalho de Melo int perf_session__write_header(struct perf_session *session, 84a91e5431SArnaldo Carvalho de Melo struct perf_evlist *evlist, 85361c99a6SArnaldo Carvalho de Melo int fd, bool at_exit); 868dc58101STom Zanussi int perf_header__write_pipe(int fd); 877c6a1c65SPeter Zijlstra 881c0b04d1SArnaldo Carvalho de Melo void perf_header__set_feat(struct perf_header *header, int feat); 891c0b04d1SArnaldo Carvalho de Melo void perf_header__clear_feat(struct perf_header *header, int feat); 901c0b04d1SArnaldo Carvalho de Melo bool perf_header__has_feat(const struct perf_header *header, int feat); 917c6a1c65SPeter Zijlstra 92fbe96f29SStephane Eranian int perf_header__set_cmdline(int argc, const char **argv); 93fbe96f29SStephane Eranian 941c0b04d1SArnaldo Carvalho de Melo int perf_header__process_sections(struct perf_header *header, int fd, 95fbe96f29SStephane Eranian void *data, 961c0b04d1SArnaldo Carvalho de Melo int (*process)(struct perf_file_section *section, 97ba21594cSArnaldo Carvalho de Melo struct perf_header *ph, 98fbe96f29SStephane Eranian int feat, int fd, void *data)); 99fbe96f29SStephane Eranian 100fbe96f29SStephane Eranian int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full); 10137562eacSArnaldo Carvalho de Melo 10245694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_attr(struct perf_tool *tool, 103f4d83436SRobert Richter struct perf_event_attr *attr, u32 ids, u64 *id, 104743eb868SArnaldo Carvalho de Melo perf_event__handler_t process); 10545694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_attrs(struct perf_tool *tool, 106d20deb64SArnaldo Carvalho de Melo struct perf_session *session, 107a91e5431SArnaldo Carvalho de Melo perf_event__handler_t process); 108a6e52817SJiri Olsa int perf_event__synthesize_event_update_unit(struct perf_tool *tool, 109a6e52817SJiri Olsa struct perf_evsel *evsel, 110a6e52817SJiri Olsa perf_event__handler_t process); 111daeecbc0SJiri Olsa int perf_event__synthesize_event_update_scale(struct perf_tool *tool, 112daeecbc0SJiri Olsa struct perf_evsel *evsel, 113daeecbc0SJiri Olsa perf_event__handler_t process); 114802c9048SJiri Olsa int perf_event__synthesize_event_update_name(struct perf_tool *tool, 115802c9048SJiri Olsa struct perf_evsel *evsel, 116802c9048SJiri Olsa perf_event__handler_t process); 11747c3d109SAdrian Hunter int perf_event__process_attr(struct perf_tool *tool, union perf_event *event, 11847c3d109SAdrian Hunter struct perf_evlist **pevlist); 119ffe77725SJiri Olsa int perf_event__process_event_update(struct perf_tool *tool __maybe_unused, 120ffe77725SJiri Olsa union perf_event *event, 121ffe77725SJiri Olsa struct perf_evlist **pevlist); 1222c46dbb5STom Zanussi 12345694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_tracing_data(struct perf_tool *tool, 124d20deb64SArnaldo Carvalho de Melo int fd, struct perf_evlist *evlist, 125743eb868SArnaldo Carvalho de Melo perf_event__handler_t process); 12647c3d109SAdrian Hunter int perf_event__process_tracing_data(struct perf_tool *tool, 12747c3d109SAdrian Hunter union perf_event *event, 1289215545eSTom Zanussi struct perf_session *session); 129cd19a035STom Zanussi 13045694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_build_id(struct perf_tool *tool, 131d20deb64SArnaldo Carvalho de Melo struct dso *pos, u16 misc, 1328115d60cSArnaldo Carvalho de Melo perf_event__handler_t process, 133743eb868SArnaldo Carvalho de Melo struct machine *machine); 13445694aa7SArnaldo Carvalho de Melo int perf_event__process_build_id(struct perf_tool *tool, 135d20deb64SArnaldo Carvalho de Melo union perf_event *event, 1368115d60cSArnaldo Carvalho de Melo struct perf_session *session); 137e84ba4e2SFeng Tang bool is_perf_magic(u64 magic); 138fbe96f29SStephane Eranian 139e195fac8SNamhyung Kim #define NAME_ALIGN 64 140e195fac8SNamhyung Kim 141e195fac8SNamhyung Kim int write_padded(int fd, const void *bf, size_t count, size_t count_aligned); 1421f625b0bSAdrian Hunter 143fbe96f29SStephane Eranian /* 144fbe96f29SStephane Eranian * arch specific callback 145fbe96f29SStephane Eranian */ 146fbe96f29SStephane Eranian int get_cpuid(char *buffer, size_t sz); 147fbe96f29SStephane Eranian 1488b40f521SJohn Kacur #endif /* __PERF_HEADER_H */ 149