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, 34ffa517adSJiri Olsa HEADER_STAT, 35720e98b5SJiri Olsa HEADER_CACHE, 3637562eacSArnaldo Carvalho de Melo HEADER_LAST_FEATURE, 37b1e5a9beSRobert Richter HEADER_FEAT_BITS = 256, 3837562eacSArnaldo Carvalho de Melo }; 392ba08250SFrederic Weisbecker 402a08c3ecSJiri Olsa enum perf_header_version { 412a08c3ecSJiri Olsa PERF_HEADER_VERSION_1, 422a08c3ecSJiri Olsa PERF_HEADER_VERSION_2, 432a08c3ecSJiri Olsa }; 442a08c3ecSJiri Olsa 4537562eacSArnaldo Carvalho de Melo struct perf_file_section { 4637562eacSArnaldo Carvalho de Melo u64 offset; 4737562eacSArnaldo Carvalho de Melo u64 size; 4837562eacSArnaldo Carvalho de Melo }; 4937562eacSArnaldo Carvalho de Melo 5037562eacSArnaldo Carvalho de Melo struct perf_file_header { 5137562eacSArnaldo Carvalho de Melo u64 magic; 5237562eacSArnaldo Carvalho de Melo u64 size; 5337562eacSArnaldo Carvalho de Melo u64 attr_size; 5437562eacSArnaldo Carvalho de Melo struct perf_file_section attrs; 5537562eacSArnaldo Carvalho de Melo struct perf_file_section data; 5644b3c578SJiri Olsa /* event_types is ignored */ 5737562eacSArnaldo Carvalho de Melo struct perf_file_section event_types; 5837562eacSArnaldo Carvalho de Melo DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 5937562eacSArnaldo Carvalho de Melo }; 6037562eacSArnaldo Carvalho de Melo 618dc58101STom Zanussi struct perf_pipe_file_header { 628dc58101STom Zanussi u64 magic; 638dc58101STom Zanussi u64 size; 648dc58101STom Zanussi }; 658dc58101STom Zanussi 6637562eacSArnaldo Carvalho de Melo struct perf_header; 6737562eacSArnaldo Carvalho de Melo 681c0b04d1SArnaldo Carvalho de Melo int perf_file_header__read(struct perf_file_header *header, 6937562eacSArnaldo Carvalho de Melo struct perf_header *ph, int fd); 7037562eacSArnaldo Carvalho de Melo 717c6a1c65SPeter Zijlstra struct perf_header { 722a08c3ecSJiri Olsa enum perf_header_version version; 73eed05fe7SArnaldo Carvalho de Melo bool needs_swap; 747c6a1c65SPeter Zijlstra u64 data_offset; 757c6a1c65SPeter Zijlstra u64 data_size; 768d541e97SJiri Olsa u64 feat_offset; 77db9f11e3SFrederic Weisbecker DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 78ce80d3beSKan Liang struct perf_env env; 797c6a1c65SPeter Zijlstra }; 807c6a1c65SPeter Zijlstra 81361c99a6SArnaldo Carvalho de Melo struct perf_evlist; 82d20deb64SArnaldo Carvalho de Melo struct perf_session; 83361c99a6SArnaldo Carvalho de Melo 84d4339569SJiri Olsa int perf_session__read_header(struct perf_session *session); 85a91e5431SArnaldo Carvalho de Melo int perf_session__write_header(struct perf_session *session, 86a91e5431SArnaldo Carvalho de Melo struct perf_evlist *evlist, 87361c99a6SArnaldo Carvalho de Melo int fd, bool at_exit); 888dc58101STom Zanussi int perf_header__write_pipe(int fd); 897c6a1c65SPeter Zijlstra 901c0b04d1SArnaldo Carvalho de Melo void perf_header__set_feat(struct perf_header *header, int feat); 911c0b04d1SArnaldo Carvalho de Melo void perf_header__clear_feat(struct perf_header *header, int feat); 921c0b04d1SArnaldo Carvalho de Melo bool perf_header__has_feat(const struct perf_header *header, int feat); 937c6a1c65SPeter Zijlstra 94fbe96f29SStephane Eranian int perf_header__set_cmdline(int argc, const char **argv); 95fbe96f29SStephane Eranian 961c0b04d1SArnaldo Carvalho de Melo int perf_header__process_sections(struct perf_header *header, int fd, 97fbe96f29SStephane Eranian void *data, 981c0b04d1SArnaldo Carvalho de Melo int (*process)(struct perf_file_section *section, 99ba21594cSArnaldo Carvalho de Melo struct perf_header *ph, 100fbe96f29SStephane Eranian int feat, int fd, void *data)); 101fbe96f29SStephane Eranian 102fbe96f29SStephane Eranian int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full); 10337562eacSArnaldo Carvalho de Melo 104e9def1b2SDavid Carrillo-Cisneros int perf_event__synthesize_features(struct perf_tool *tool, 105e9def1b2SDavid Carrillo-Cisneros struct perf_session *session, 106e9def1b2SDavid Carrillo-Cisneros struct perf_evlist *evlist, 107e9def1b2SDavid Carrillo-Cisneros perf_event__handler_t process); 108e9def1b2SDavid Carrillo-Cisneros 109e9def1b2SDavid Carrillo-Cisneros int perf_event__process_feature(struct perf_tool *tool, 110e9def1b2SDavid Carrillo-Cisneros union perf_event *event, 111e9def1b2SDavid Carrillo-Cisneros struct perf_session *session); 112e9def1b2SDavid Carrillo-Cisneros 11345694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_attr(struct perf_tool *tool, 114f4d83436SRobert Richter struct perf_event_attr *attr, u32 ids, u64 *id, 115743eb868SArnaldo Carvalho de Melo perf_event__handler_t process); 11645694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_attrs(struct perf_tool *tool, 117d20deb64SArnaldo Carvalho de Melo struct perf_session *session, 118a91e5431SArnaldo Carvalho de Melo perf_event__handler_t process); 119a6e52817SJiri Olsa int perf_event__synthesize_event_update_unit(struct perf_tool *tool, 120a6e52817SJiri Olsa struct perf_evsel *evsel, 121a6e52817SJiri Olsa perf_event__handler_t process); 122daeecbc0SJiri Olsa int perf_event__synthesize_event_update_scale(struct perf_tool *tool, 123daeecbc0SJiri Olsa struct perf_evsel *evsel, 124daeecbc0SJiri Olsa perf_event__handler_t process); 125802c9048SJiri Olsa int perf_event__synthesize_event_update_name(struct perf_tool *tool, 126802c9048SJiri Olsa struct perf_evsel *evsel, 127802c9048SJiri Olsa perf_event__handler_t process); 12886ebb09fSJiri Olsa int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, 12986ebb09fSJiri Olsa struct perf_evsel *evsel, 13086ebb09fSJiri Olsa perf_event__handler_t process); 13147c3d109SAdrian Hunter int perf_event__process_attr(struct perf_tool *tool, union perf_event *event, 13247c3d109SAdrian Hunter struct perf_evlist **pevlist); 133b8f8eb84SArnaldo Carvalho de Melo int perf_event__process_event_update(struct perf_tool *tool, 134ffe77725SJiri Olsa union perf_event *event, 135ffe77725SJiri Olsa struct perf_evlist **pevlist); 136c853f939SJiri Olsa size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp); 1372c46dbb5STom Zanussi 13845694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_tracing_data(struct perf_tool *tool, 139d20deb64SArnaldo Carvalho de Melo int fd, struct perf_evlist *evlist, 140743eb868SArnaldo Carvalho de Melo perf_event__handler_t process); 14147c3d109SAdrian Hunter int perf_event__process_tracing_data(struct perf_tool *tool, 14247c3d109SAdrian Hunter union perf_event *event, 1439215545eSTom Zanussi struct perf_session *session); 144cd19a035STom Zanussi 14545694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_build_id(struct perf_tool *tool, 146d20deb64SArnaldo Carvalho de Melo struct dso *pos, u16 misc, 1478115d60cSArnaldo Carvalho de Melo perf_event__handler_t process, 148743eb868SArnaldo Carvalho de Melo struct machine *machine); 14945694aa7SArnaldo Carvalho de Melo int perf_event__process_build_id(struct perf_tool *tool, 150d20deb64SArnaldo Carvalho de Melo union perf_event *event, 1518115d60cSArnaldo Carvalho de Melo struct perf_session *session); 152e84ba4e2SFeng Tang bool is_perf_magic(u64 magic); 153fbe96f29SStephane Eranian 154e195fac8SNamhyung Kim #define NAME_ALIGN 64 155e195fac8SNamhyung Kim 156ccebbeb6SDavid Carrillo-Cisneros struct feat_fd; 1573b8f51a6SDavid Carrillo-Cisneros 158ccebbeb6SDavid Carrillo-Cisneros int do_write(struct feat_fd *fd, const void *buf, size_t size); 159ccebbeb6SDavid Carrillo-Cisneros 160ccebbeb6SDavid Carrillo-Cisneros int write_padded(struct feat_fd *fd, const void *bf, 161ccebbeb6SDavid Carrillo-Cisneros size_t count, size_t count_aligned); 1621f625b0bSAdrian Hunter 163fbe96f29SStephane Eranian /* 164fbe96f29SStephane Eranian * arch specific callback 165fbe96f29SStephane Eranian */ 166fbe96f29SStephane Eranian int get_cpuid(char *buffer, size_t sz); 167fbe96f29SStephane Eranian 168933f82ffSSukadev Bhattiprolu char *get_cpuid_str(void); 1698b40f521SJohn Kacur #endif /* __PERF_HEADER_H */ 170