1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 28b40f521SJohn Kacur #ifndef __PERF_HEADER_H 38b40f521SJohn Kacur #define __PERF_HEADER_H 47c6a1c65SPeter Zijlstra 544fe619bSArnaldo Carvalho de Melo #include <linux/stddef.h> 6d2709c7cSDavid Howells #include <linux/perf_event.h> 77c6a1c65SPeter Zijlstra #include <sys/types.h> 88d06367fSArnaldo Carvalho de Melo #include <stdbool.h> 9d944c4eeSBorislav Petkov #include <linux/bitmap.h> 10d944c4eeSBorislav Petkov #include <linux/types.h> 11ef12a141SArnaldo Carvalho de Melo #include "event.h" 12f0ce888cSArnaldo Carvalho de Melo #include "env.h" 1354e32dc0SGanapatrao Kulkarni #include "pmu.h" 14db9f11e3SFrederic Weisbecker 1537562eacSArnaldo Carvalho de Melo enum { 16b1e5a9beSRobert Richter HEADER_RESERVED = 0, /* always cleared */ 17781ba9d2SRobert Richter HEADER_FIRST_FEATURE = 1, 182eeaaa09SStephane Eranian HEADER_TRACING_DATA = 1, 1937562eacSArnaldo Carvalho de Melo HEADER_BUILD_ID, 20fbe96f29SStephane Eranian 21fbe96f29SStephane Eranian HEADER_HOSTNAME, 22fbe96f29SStephane Eranian HEADER_OSRELEASE, 23fbe96f29SStephane Eranian HEADER_VERSION, 24fbe96f29SStephane Eranian HEADER_ARCH, 25fbe96f29SStephane Eranian HEADER_NRCPUS, 26fbe96f29SStephane Eranian HEADER_CPUDESC, 27fbe96f29SStephane Eranian HEADER_CPUID, 28fbe96f29SStephane Eranian HEADER_TOTAL_MEM, 29fbe96f29SStephane Eranian HEADER_CMDLINE, 30fbe96f29SStephane Eranian HEADER_EVENT_DESC, 31fbe96f29SStephane Eranian HEADER_CPU_TOPOLOGY, 32fbe96f29SStephane Eranian HEADER_NUMA_TOPOLOGY, 33330aa675SStephane Eranian HEADER_BRANCH_STACK, 3450a9667cSRobert Richter HEADER_PMU_MAPPINGS, 35a8bb559bSNamhyung Kim HEADER_GROUP_DESC, 364025ea40SAdrian Hunter HEADER_AUXTRACE, 37ffa517adSJiri Olsa HEADER_STAT, 38720e98b5SJiri Olsa HEADER_CACHE, 396011518dSJin Yao HEADER_SAMPLE_TIME, 40e2091cedSJiri Olsa HEADER_MEM_TOPOLOGY, 41cf790516SAlexey Budankov HEADER_CLOCKID, 42258031c0SJiri Olsa HEADER_DIR_FORMAT, 43606f972bSSong Liu HEADER_BPF_PROG_INFO, 44a70a1123SSong Liu HEADER_BPF_BTF, 4542e1fd80SAlexey Budankov HEADER_COMPRESSED, 4637562eacSArnaldo Carvalho de Melo HEADER_LAST_FEATURE, 47b1e5a9beSRobert Richter HEADER_FEAT_BITS = 256, 4837562eacSArnaldo Carvalho de Melo }; 492ba08250SFrederic Weisbecker 502a08c3ecSJiri Olsa enum perf_header_version { 512a08c3ecSJiri Olsa PERF_HEADER_VERSION_1, 522a08c3ecSJiri Olsa PERF_HEADER_VERSION_2, 532a08c3ecSJiri Olsa }; 542a08c3ecSJiri Olsa 55258031c0SJiri Olsa enum perf_dir_version { 56258031c0SJiri Olsa PERF_DIR_VERSION = 1, 57258031c0SJiri Olsa }; 58258031c0SJiri Olsa 5937562eacSArnaldo Carvalho de Melo struct perf_file_section { 6037562eacSArnaldo Carvalho de Melo u64 offset; 6137562eacSArnaldo Carvalho de Melo u64 size; 6237562eacSArnaldo Carvalho de Melo }; 6337562eacSArnaldo Carvalho de Melo 6437562eacSArnaldo Carvalho de Melo struct perf_file_header { 6537562eacSArnaldo Carvalho de Melo u64 magic; 6637562eacSArnaldo Carvalho de Melo u64 size; 6737562eacSArnaldo Carvalho de Melo u64 attr_size; 6837562eacSArnaldo Carvalho de Melo struct perf_file_section attrs; 6937562eacSArnaldo Carvalho de Melo struct perf_file_section data; 7044b3c578SJiri Olsa /* event_types is ignored */ 7137562eacSArnaldo Carvalho de Melo struct perf_file_section event_types; 7237562eacSArnaldo Carvalho de Melo DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 7337562eacSArnaldo Carvalho de Melo }; 7437562eacSArnaldo Carvalho de Melo 758dc58101STom Zanussi struct perf_pipe_file_header { 768dc58101STom Zanussi u64 magic; 778dc58101STom Zanussi u64 size; 788dc58101STom Zanussi }; 798dc58101STom Zanussi 8037562eacSArnaldo Carvalho de Melo struct perf_header; 8137562eacSArnaldo Carvalho de Melo 821c0b04d1SArnaldo Carvalho de Melo int perf_file_header__read(struct perf_file_header *header, 8337562eacSArnaldo Carvalho de Melo struct perf_header *ph, int fd); 8437562eacSArnaldo Carvalho de Melo 857c6a1c65SPeter Zijlstra struct perf_header { 862a08c3ecSJiri Olsa enum perf_header_version version; 87eed05fe7SArnaldo Carvalho de Melo bool needs_swap; 887c6a1c65SPeter Zijlstra u64 data_offset; 897c6a1c65SPeter Zijlstra u64 data_size; 908d541e97SJiri Olsa u64 feat_offset; 91db9f11e3SFrederic Weisbecker DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); 92ce80d3beSKan Liang struct perf_env env; 937c6a1c65SPeter Zijlstra }; 947c6a1c65SPeter Zijlstra 9563503dbaSJiri Olsa struct evlist; 96d20deb64SArnaldo Carvalho de Melo struct perf_session; 97361c99a6SArnaldo Carvalho de Melo 98d4339569SJiri Olsa int perf_session__read_header(struct perf_session *session); 99a91e5431SArnaldo Carvalho de Melo int perf_session__write_header(struct perf_session *session, 10063503dbaSJiri Olsa struct evlist *evlist, 101361c99a6SArnaldo Carvalho de Melo int fd, bool at_exit); 1028dc58101STom Zanussi int perf_header__write_pipe(int fd); 1037c6a1c65SPeter Zijlstra 1041c0b04d1SArnaldo Carvalho de Melo void perf_header__set_feat(struct perf_header *header, int feat); 1051c0b04d1SArnaldo Carvalho de Melo void perf_header__clear_feat(struct perf_header *header, int feat); 1061c0b04d1SArnaldo Carvalho de Melo bool perf_header__has_feat(const struct perf_header *header, int feat); 1077c6a1c65SPeter Zijlstra 108fbe96f29SStephane Eranian int perf_header__set_cmdline(int argc, const char **argv); 109fbe96f29SStephane Eranian 1101c0b04d1SArnaldo Carvalho de Melo int perf_header__process_sections(struct perf_header *header, int fd, 111fbe96f29SStephane Eranian void *data, 1121c0b04d1SArnaldo Carvalho de Melo int (*process)(struct perf_file_section *section, 113ba21594cSArnaldo Carvalho de Melo struct perf_header *ph, 114fbe96f29SStephane Eranian int feat, int fd, void *data)); 115fbe96f29SStephane Eranian 116fbe96f29SStephane Eranian int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full); 11737562eacSArnaldo Carvalho de Melo 118e9def1b2SDavid Carrillo-Cisneros int perf_event__synthesize_features(struct perf_tool *tool, 119e9def1b2SDavid Carrillo-Cisneros struct perf_session *session, 12063503dbaSJiri Olsa struct evlist *evlist, 121e9def1b2SDavid Carrillo-Cisneros perf_event__handler_t process); 122e9def1b2SDavid Carrillo-Cisneros 123bfd8f72cSAndi Kleen int perf_event__synthesize_extra_attr(struct perf_tool *tool, 12463503dbaSJiri Olsa struct evlist *evsel_list, 125bfd8f72cSAndi Kleen perf_event__handler_t process, 126bfd8f72cSAndi Kleen bool is_pipe); 127bfd8f72cSAndi Kleen 12889f1688aSJiri Olsa int perf_event__process_feature(struct perf_session *session, 12989f1688aSJiri Olsa union perf_event *event); 130e9def1b2SDavid Carrillo-Cisneros 13145694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_attr(struct perf_tool *tool, 132f4d83436SRobert Richter struct perf_event_attr *attr, u32 ids, u64 *id, 133743eb868SArnaldo Carvalho de Melo perf_event__handler_t process); 13445694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_attrs(struct perf_tool *tool, 13563503dbaSJiri Olsa struct evlist *evlist, 136a91e5431SArnaldo Carvalho de Melo perf_event__handler_t process); 137a6e52817SJiri Olsa int perf_event__synthesize_event_update_unit(struct perf_tool *tool, 13832dcd021SJiri Olsa struct evsel *evsel, 139a6e52817SJiri Olsa perf_event__handler_t process); 140daeecbc0SJiri Olsa int perf_event__synthesize_event_update_scale(struct perf_tool *tool, 14132dcd021SJiri Olsa struct evsel *evsel, 142daeecbc0SJiri Olsa perf_event__handler_t process); 143802c9048SJiri Olsa int perf_event__synthesize_event_update_name(struct perf_tool *tool, 14432dcd021SJiri Olsa struct evsel *evsel, 145802c9048SJiri Olsa perf_event__handler_t process); 14686ebb09fSJiri Olsa int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, 14732dcd021SJiri Olsa struct evsel *evsel, 14886ebb09fSJiri Olsa perf_event__handler_t process); 14947c3d109SAdrian Hunter int perf_event__process_attr(struct perf_tool *tool, union perf_event *event, 15063503dbaSJiri Olsa struct evlist **pevlist); 151b8f8eb84SArnaldo Carvalho de Melo int perf_event__process_event_update(struct perf_tool *tool, 152ffe77725SJiri Olsa union perf_event *event, 15363503dbaSJiri Olsa struct evlist **pevlist); 154c853f939SJiri Olsa size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp); 1552c46dbb5STom Zanussi 15645694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_tracing_data(struct perf_tool *tool, 15763503dbaSJiri Olsa int fd, struct evlist *evlist, 158743eb868SArnaldo Carvalho de Melo perf_event__handler_t process); 15989f1688aSJiri Olsa int perf_event__process_tracing_data(struct perf_session *session, 16089f1688aSJiri Olsa union perf_event *event); 161cd19a035STom Zanussi 16245694aa7SArnaldo Carvalho de Melo int perf_event__synthesize_build_id(struct perf_tool *tool, 163d20deb64SArnaldo Carvalho de Melo struct dso *pos, u16 misc, 1648115d60cSArnaldo Carvalho de Melo perf_event__handler_t process, 165743eb868SArnaldo Carvalho de Melo struct machine *machine); 16689f1688aSJiri Olsa int perf_event__process_build_id(struct perf_session *session, 16789f1688aSJiri Olsa union perf_event *event); 168e84ba4e2SFeng Tang bool is_perf_magic(u64 magic); 169fbe96f29SStephane Eranian 170e195fac8SNamhyung Kim #define NAME_ALIGN 64 171e195fac8SNamhyung Kim 172ccebbeb6SDavid Carrillo-Cisneros struct feat_fd; 1733b8f51a6SDavid Carrillo-Cisneros 174ccebbeb6SDavid Carrillo-Cisneros int do_write(struct feat_fd *fd, const void *buf, size_t size); 175ccebbeb6SDavid Carrillo-Cisneros 176ccebbeb6SDavid Carrillo-Cisneros int write_padded(struct feat_fd *fd, const void *bf, 177ccebbeb6SDavid Carrillo-Cisneros size_t count, size_t count_aligned); 1781f625b0bSAdrian Hunter 179fbe96f29SStephane Eranian /* 180fbe96f29SStephane Eranian * arch specific callback 181fbe96f29SStephane Eranian */ 182fbe96f29SStephane Eranian int get_cpuid(char *buffer, size_t sz); 183fbe96f29SStephane Eranian 18454e32dc0SGanapatrao Kulkarni char *get_cpuid_str(struct perf_pmu *pmu __maybe_unused); 1854cb7d3ecSThomas Richter int strcmp_cpuid_str(const char *s1, const char *s2); 1868b40f521SJohn Kacur #endif /* __PERF_HEADER_H */ 187