169aad6f1SArnaldo Carvalho de Melo #ifndef __PERF_EVSEL_H 269aad6f1SArnaldo Carvalho de Melo #define __PERF_EVSEL_H 1 369aad6f1SArnaldo Carvalho de Melo 469aad6f1SArnaldo Carvalho de Melo #include <linux/list.h> 5c52b12edSArnaldo Carvalho de Melo #include <stdbool.h> 607ac002fSArnaldo Carvalho de Melo #include <stddef.h> 7d2709c7cSDavid Howells #include <linux/perf_event.h> 8d944c4eeSBorislav Petkov #include <linux/types.h> 969aad6f1SArnaldo Carvalho de Melo #include "xyarray.h" 10023695d9SStephane Eranian #include "cgroup.h" 11e248de33SArnaldo Carvalho de Melo #include "hist.h" 12759ff497SNamhyung Kim #include "symbol.h" 1369aad6f1SArnaldo Carvalho de Melo 14c52b12edSArnaldo Carvalho de Melo struct perf_counts_values { 15c52b12edSArnaldo Carvalho de Melo union { 16c52b12edSArnaldo Carvalho de Melo struct { 17c52b12edSArnaldo Carvalho de Melo u64 val; 18c52b12edSArnaldo Carvalho de Melo u64 ena; 19c52b12edSArnaldo Carvalho de Melo u64 run; 20c52b12edSArnaldo Carvalho de Melo }; 21c52b12edSArnaldo Carvalho de Melo u64 values[3]; 22c52b12edSArnaldo Carvalho de Melo }; 23c52b12edSArnaldo Carvalho de Melo }; 24c52b12edSArnaldo Carvalho de Melo 25c52b12edSArnaldo Carvalho de Melo struct perf_counts { 26c52b12edSArnaldo Carvalho de Melo s8 scaled; 27c52b12edSArnaldo Carvalho de Melo struct perf_counts_values aggr; 28c52b12edSArnaldo Carvalho de Melo struct perf_counts_values cpu[]; 29c52b12edSArnaldo Carvalho de Melo }; 30c52b12edSArnaldo Carvalho de Melo 3170db7533SArnaldo Carvalho de Melo struct perf_evsel; 3270db7533SArnaldo Carvalho de Melo 3370db7533SArnaldo Carvalho de Melo /* 3470db7533SArnaldo Carvalho de Melo * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are 3570db7533SArnaldo Carvalho de Melo * more than one entry in the evlist. 3670db7533SArnaldo Carvalho de Melo */ 3770db7533SArnaldo Carvalho de Melo struct perf_sample_id { 3870db7533SArnaldo Carvalho de Melo struct hlist_node node; 3970db7533SArnaldo Carvalho de Melo u64 id; 4070db7533SArnaldo Carvalho de Melo struct perf_evsel *evsel; 41e4caec0dSJiri Olsa 42e4caec0dSJiri Olsa /* Holds total ID period value for PERF_SAMPLE_READ processing. */ 43e4caec0dSJiri Olsa u64 period; 4470db7533SArnaldo Carvalho de Melo }; 4570db7533SArnaldo Carvalho de Melo 46f0c55bcfSStephane Eranian /** struct perf_evsel - event selector 47f0c55bcfSStephane Eranian * 48f0c55bcfSStephane Eranian * @name - Can be set to retain the original event name passed by the user, 49f0c55bcfSStephane Eranian * so that when showing results in tools such as 'perf stat', we 50f0c55bcfSStephane Eranian * show the name used, not some alias. 5175562573SAdrian Hunter * @id_pos: the position of the event id (PERF_SAMPLE_ID or 5275562573SAdrian Hunter * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of 5375562573SAdrian Hunter * struct sample_event 5475562573SAdrian Hunter * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or 5575562573SAdrian Hunter * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all 5675562573SAdrian Hunter * is used there is an id sample appended to non-sample events 57f0c55bcfSStephane Eranian */ 5869aad6f1SArnaldo Carvalho de Melo struct perf_evsel { 5969aad6f1SArnaldo Carvalho de Melo struct list_head node; 6069aad6f1SArnaldo Carvalho de Melo struct perf_event_attr attr; 6169aad6f1SArnaldo Carvalho de Melo char *filter; 6269aad6f1SArnaldo Carvalho de Melo struct xyarray *fd; 63a91e5431SArnaldo Carvalho de Melo struct xyarray *sample_id; 64a91e5431SArnaldo Carvalho de Melo u64 *id; 65c52b12edSArnaldo Carvalho de Melo struct perf_counts *counts; 66c7a79c47SStephane Eranian struct perf_counts *prev_raw_counts; 6769aad6f1SArnaldo Carvalho de Melo int idx; 68f4d83436SRobert Richter u32 ids; 69e248de33SArnaldo Carvalho de Melo struct hists hists; 70f0c55bcfSStephane Eranian char *name; 71410136f5SStephane Eranian double scale; 72410136f5SStephane Eranian const char *unit; 73fcf65bf1SArnaldo Carvalho de Melo struct event_format *tp_format; 74a91e5431SArnaldo Carvalho de Melo union { 7569aad6f1SArnaldo Carvalho de Melo void *priv; 76a91e5431SArnaldo Carvalho de Melo off_t id_offset; 77a91e5431SArnaldo Carvalho de Melo }; 78023695d9SStephane Eranian struct cgroup_sel *cgrp; 79744a9719SArnaldo Carvalho de Melo void *handler; 807ae92e74SYan, Zheng struct cpu_map *cpus; 81bde09467SArnaldo Carvalho de Melo unsigned int sample_size; 8275562573SAdrian Hunter int id_pos; 8375562573SAdrian Hunter int is_pos; 842cee77c4SDavid Ahern bool supported; 850807d2d8SArnaldo Carvalho de Melo bool needs_swap; 866ff1ce76SAdrian Hunter bool no_aux_samples; 87*2afd2bcfSAdrian Hunter bool immediate; 88f5b1135bSJiri Olsa /* parse modifier helper */ 89f5b1135bSJiri Olsa int exclude_GH; 9097f63e4aSNamhyung Kim int nr_members; 913c176311SJiri Olsa int sample_read; 926a4bb04cSJiri Olsa struct perf_evsel *leader; 936a4bb04cSJiri Olsa char *group_name; 9469aad6f1SArnaldo Carvalho de Melo }; 9569aad6f1SArnaldo Carvalho de Melo 9688080ce7SBorislav Petkov union u64_swap { 9788080ce7SBorislav Petkov u64 val64; 9888080ce7SBorislav Petkov u32 val32[2]; 9988080ce7SBorislav Petkov }; 10088080ce7SBorislav Petkov 10129d720edSNamhyung Kim #define hists_to_evsel(h) container_of(h, struct perf_evsel, hists) 10229d720edSNamhyung Kim 10386bd5e86SArnaldo Carvalho de Melo struct cpu_map; 10486bd5e86SArnaldo Carvalho de Melo struct thread_map; 10570082dd9SArnaldo Carvalho de Melo struct perf_evlist; 106b4006796SArnaldo Carvalho de Melo struct record_opts; 10786bd5e86SArnaldo Carvalho de Melo 108ef503831SArnaldo Carvalho de Melo struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx); 109ef503831SArnaldo Carvalho de Melo 110ef503831SArnaldo Carvalho de Melo static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr) 111ef503831SArnaldo Carvalho de Melo { 112ef503831SArnaldo Carvalho de Melo return perf_evsel__new_idx(attr, 0); 113ef503831SArnaldo Carvalho de Melo } 114ef503831SArnaldo Carvalho de Melo 115ef503831SArnaldo Carvalho de Melo struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx); 116ef503831SArnaldo Carvalho de Melo 117ef503831SArnaldo Carvalho de Melo static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name) 118ef503831SArnaldo Carvalho de Melo { 119ef503831SArnaldo Carvalho de Melo return perf_evsel__newtp_idx(sys, name, 0); 120ef503831SArnaldo Carvalho de Melo } 121201b7334SArnaldo Carvalho de Melo 122201b7334SArnaldo Carvalho de Melo struct event_format *event_format__new(const char *sys, const char *name); 123201b7334SArnaldo Carvalho de Melo 124ef1d1af2SArnaldo Carvalho de Melo void perf_evsel__init(struct perf_evsel *evsel, 125ef1d1af2SArnaldo Carvalho de Melo struct perf_event_attr *attr, int idx); 126ef1d1af2SArnaldo Carvalho de Melo void perf_evsel__exit(struct perf_evsel *evsel); 12769aad6f1SArnaldo Carvalho de Melo void perf_evsel__delete(struct perf_evsel *evsel); 12869aad6f1SArnaldo Carvalho de Melo 1290f82ebc4SArnaldo Carvalho de Melo void perf_evsel__config(struct perf_evsel *evsel, 130b4006796SArnaldo Carvalho de Melo struct record_opts *opts); 1310f82ebc4SArnaldo Carvalho de Melo 13275562573SAdrian Hunter int __perf_evsel__sample_size(u64 sample_type); 13375562573SAdrian Hunter void perf_evsel__calc_id_pos(struct perf_evsel *evsel); 13475562573SAdrian Hunter 1350b668bc9SArnaldo Carvalho de Melo bool perf_evsel__is_cache_op_valid(u8 type, u8 op); 1360b668bc9SArnaldo Carvalho de Melo 1370b668bc9SArnaldo Carvalho de Melo #define PERF_EVSEL__MAX_ALIASES 8 1380b668bc9SArnaldo Carvalho de Melo 1390b668bc9SArnaldo Carvalho de Melo extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX] 1400b668bc9SArnaldo Carvalho de Melo [PERF_EVSEL__MAX_ALIASES]; 1410b668bc9SArnaldo Carvalho de Melo extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX] 1420b668bc9SArnaldo Carvalho de Melo [PERF_EVSEL__MAX_ALIASES]; 1438ad7013bSArnaldo Carvalho de Melo extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] 1440b668bc9SArnaldo Carvalho de Melo [PERF_EVSEL__MAX_ALIASES]; 1458ad7013bSArnaldo Carvalho de Melo extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX]; 1468ad7013bSArnaldo Carvalho de Melo extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX]; 1470b668bc9SArnaldo Carvalho de Melo int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, 1480b668bc9SArnaldo Carvalho de Melo char *bf, size_t size); 1497289f83cSArnaldo Carvalho de Melo const char *perf_evsel__name(struct perf_evsel *evsel); 150410136f5SStephane Eranian 151717e263fSNamhyung Kim const char *perf_evsel__group_name(struct perf_evsel *evsel); 152717e263fSNamhyung Kim int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size); 153c410431cSArnaldo Carvalho de Melo 15469aad6f1SArnaldo Carvalho de Melo int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); 15570db7533SArnaldo Carvalho de Melo int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); 156c52b12edSArnaldo Carvalho de Melo int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); 157a7e191c3SFrederik Deweerdt void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus); 15869aad6f1SArnaldo Carvalho de Melo void perf_evsel__free_fd(struct perf_evsel *evsel); 15970db7533SArnaldo Carvalho de Melo void perf_evsel__free_id(struct perf_evsel *evsel); 16043f8e76eSNamhyung Kim void perf_evsel__free_counts(struct perf_evsel *evsel); 161c52b12edSArnaldo Carvalho de Melo void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); 16269aad6f1SArnaldo Carvalho de Melo 1637be5ebe8SArnaldo Carvalho de Melo void __perf_evsel__set_sample_bit(struct perf_evsel *evsel, 1647be5ebe8SArnaldo Carvalho de Melo enum perf_event_sample_format bit); 1657be5ebe8SArnaldo Carvalho de Melo void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel, 1667be5ebe8SArnaldo Carvalho de Melo enum perf_event_sample_format bit); 1677be5ebe8SArnaldo Carvalho de Melo 1687be5ebe8SArnaldo Carvalho de Melo #define perf_evsel__set_sample_bit(evsel, bit) \ 1697be5ebe8SArnaldo Carvalho de Melo __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit) 1707be5ebe8SArnaldo Carvalho de Melo 1717be5ebe8SArnaldo Carvalho de Melo #define perf_evsel__reset_sample_bit(evsel, bit) \ 1727be5ebe8SArnaldo Carvalho de Melo __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit) 1737be5ebe8SArnaldo Carvalho de Melo 17475562573SAdrian Hunter void perf_evsel__set_sample_id(struct perf_evsel *evsel, 17575562573SAdrian Hunter bool use_sample_identifier); 1767a5a5ca5SArnaldo Carvalho de Melo 177745cefc5SArnaldo Carvalho de Melo int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads, 178745cefc5SArnaldo Carvalho de Melo const char *filter); 179e2407befSAndi Kleen int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads); 180745cefc5SArnaldo Carvalho de Melo 181f08199d3SArnaldo Carvalho de Melo int perf_evsel__open_per_cpu(struct perf_evsel *evsel, 1826a4bb04cSJiri Olsa struct cpu_map *cpus); 183f08199d3SArnaldo Carvalho de Melo int perf_evsel__open_per_thread(struct perf_evsel *evsel, 1846a4bb04cSJiri Olsa struct thread_map *threads); 185f08199d3SArnaldo Carvalho de Melo int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, 1866a4bb04cSJiri Olsa struct thread_map *threads); 187727ab04eSArnaldo Carvalho de Melo void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads); 18848290609SArnaldo Carvalho de Melo 1895555ded4SArnaldo Carvalho de Melo struct perf_sample; 1905555ded4SArnaldo Carvalho de Melo 1915d2074eaSArnaldo Carvalho de Melo void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample, 1925555ded4SArnaldo Carvalho de Melo const char *name); 1935555ded4SArnaldo Carvalho de Melo u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, 1945555ded4SArnaldo Carvalho de Melo const char *name); 1955555ded4SArnaldo Carvalho de Melo 1965d2074eaSArnaldo Carvalho de Melo static inline char *perf_evsel__strval(struct perf_evsel *evsel, 1975d2074eaSArnaldo Carvalho de Melo struct perf_sample *sample, 1985d2074eaSArnaldo Carvalho de Melo const char *name) 1995d2074eaSArnaldo Carvalho de Melo { 2005d2074eaSArnaldo Carvalho de Melo return perf_evsel__rawptr(evsel, sample, name); 2015d2074eaSArnaldo Carvalho de Melo } 2025d2074eaSArnaldo Carvalho de Melo 203efd2b924SArnaldo Carvalho de Melo struct format_field; 204efd2b924SArnaldo Carvalho de Melo 205efd2b924SArnaldo Carvalho de Melo struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name); 206efd2b924SArnaldo Carvalho de Melo 207daec78a0SArnaldo Carvalho de Melo #define perf_evsel__match(evsel, t, c) \ 208daec78a0SArnaldo Carvalho de Melo (evsel->attr.type == PERF_TYPE_##t && \ 209daec78a0SArnaldo Carvalho de Melo evsel->attr.config == PERF_COUNT_##c) 210daec78a0SArnaldo Carvalho de Melo 211863e451fSJiri Olsa static inline bool perf_evsel__match2(struct perf_evsel *e1, 212863e451fSJiri Olsa struct perf_evsel *e2) 213863e451fSJiri Olsa { 214863e451fSJiri Olsa return (e1->attr.type == e2->attr.type) && 215863e451fSJiri Olsa (e1->attr.config == e2->attr.config); 216863e451fSJiri Olsa } 217863e451fSJiri Olsa 2184cabc3d1SAndi Kleen #define perf_evsel__cmp(a, b) \ 2194cabc3d1SAndi Kleen ((a) && \ 2204cabc3d1SAndi Kleen (b) && \ 2214cabc3d1SAndi Kleen (a)->attr.type == (b)->attr.type && \ 2224cabc3d1SAndi Kleen (a)->attr.config == (b)->attr.config) 2234cabc3d1SAndi Kleen 224c52b12edSArnaldo Carvalho de Melo int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, 225c52b12edSArnaldo Carvalho de Melo int cpu, int thread, bool scale); 226c52b12edSArnaldo Carvalho de Melo 227c52b12edSArnaldo Carvalho de Melo /** 228c52b12edSArnaldo Carvalho de Melo * perf_evsel__read_on_cpu - Read out the results on a CPU and thread 229c52b12edSArnaldo Carvalho de Melo * 230c52b12edSArnaldo Carvalho de Melo * @evsel - event selector to read value 231c52b12edSArnaldo Carvalho de Melo * @cpu - CPU of interest 232c52b12edSArnaldo Carvalho de Melo * @thread - thread of interest 233c52b12edSArnaldo Carvalho de Melo */ 234c52b12edSArnaldo Carvalho de Melo static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel, 235c52b12edSArnaldo Carvalho de Melo int cpu, int thread) 236c52b12edSArnaldo Carvalho de Melo { 237c52b12edSArnaldo Carvalho de Melo return __perf_evsel__read_on_cpu(evsel, cpu, thread, false); 238c52b12edSArnaldo Carvalho de Melo } 239c52b12edSArnaldo Carvalho de Melo 240c52b12edSArnaldo Carvalho de Melo /** 241c52b12edSArnaldo Carvalho de Melo * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled 242c52b12edSArnaldo Carvalho de Melo * 243c52b12edSArnaldo Carvalho de Melo * @evsel - event selector to read value 244c52b12edSArnaldo Carvalho de Melo * @cpu - CPU of interest 245c52b12edSArnaldo Carvalho de Melo * @thread - thread of interest 246c52b12edSArnaldo Carvalho de Melo */ 247c52b12edSArnaldo Carvalho de Melo static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel, 248c52b12edSArnaldo Carvalho de Melo int cpu, int thread) 249c52b12edSArnaldo Carvalho de Melo { 250c52b12edSArnaldo Carvalho de Melo return __perf_evsel__read_on_cpu(evsel, cpu, thread, true); 251c52b12edSArnaldo Carvalho de Melo } 252c52b12edSArnaldo Carvalho de Melo 253c52b12edSArnaldo Carvalho de Melo int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads, 254c52b12edSArnaldo Carvalho de Melo bool scale); 255c52b12edSArnaldo Carvalho de Melo 256c52b12edSArnaldo Carvalho de Melo /** 257c52b12edSArnaldo Carvalho de Melo * perf_evsel__read - Read the aggregate results on all CPUs 258c52b12edSArnaldo Carvalho de Melo * 259c52b12edSArnaldo Carvalho de Melo * @evsel - event selector to read value 260c52b12edSArnaldo Carvalho de Melo * @ncpus - Number of cpus affected, from zero 261c52b12edSArnaldo Carvalho de Melo * @nthreads - Number of threads affected, from zero 262c52b12edSArnaldo Carvalho de Melo */ 263c52b12edSArnaldo Carvalho de Melo static inline int perf_evsel__read(struct perf_evsel *evsel, 264c52b12edSArnaldo Carvalho de Melo int ncpus, int nthreads) 265c52b12edSArnaldo Carvalho de Melo { 266c52b12edSArnaldo Carvalho de Melo return __perf_evsel__read(evsel, ncpus, nthreads, false); 267c52b12edSArnaldo Carvalho de Melo } 268c52b12edSArnaldo Carvalho de Melo 269c52b12edSArnaldo Carvalho de Melo /** 270c52b12edSArnaldo Carvalho de Melo * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled 271c52b12edSArnaldo Carvalho de Melo * 272c52b12edSArnaldo Carvalho de Melo * @evsel - event selector to read value 273c52b12edSArnaldo Carvalho de Melo * @ncpus - Number of cpus affected, from zero 274c52b12edSArnaldo Carvalho de Melo * @nthreads - Number of threads affected, from zero 275c52b12edSArnaldo Carvalho de Melo */ 276c52b12edSArnaldo Carvalho de Melo static inline int perf_evsel__read_scaled(struct perf_evsel *evsel, 277c52b12edSArnaldo Carvalho de Melo int ncpus, int nthreads) 278c52b12edSArnaldo Carvalho de Melo { 279c52b12edSArnaldo Carvalho de Melo return __perf_evsel__read(evsel, ncpus, nthreads, true); 280c52b12edSArnaldo Carvalho de Melo } 281c52b12edSArnaldo Carvalho de Melo 2824bf9ce1bSJiri Olsa void hists__init(struct hists *hists); 2834bf9ce1bSJiri Olsa 284a3f698feSArnaldo Carvalho de Melo int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, 2850807d2d8SArnaldo Carvalho de Melo struct perf_sample *sample); 2860c21f736SArnaldo Carvalho de Melo 2870c21f736SArnaldo Carvalho de Melo static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) 2880c21f736SArnaldo Carvalho de Melo { 2890c21f736SArnaldo Carvalho de Melo return list_entry(evsel->node.next, struct perf_evsel, node); 2900c21f736SArnaldo Carvalho de Melo } 29107ac002fSArnaldo Carvalho de Melo 292d87fcb4aSArnaldo Carvalho de Melo static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel) 293d87fcb4aSArnaldo Carvalho de Melo { 294d87fcb4aSArnaldo Carvalho de Melo return list_entry(evsel->node.prev, struct perf_evsel, node); 295d87fcb4aSArnaldo Carvalho de Melo } 296d87fcb4aSArnaldo Carvalho de Melo 297759ff497SNamhyung Kim /** 298759ff497SNamhyung Kim * perf_evsel__is_group_leader - Return whether given evsel is a leader event 299759ff497SNamhyung Kim * 300759ff497SNamhyung Kim * @evsel - evsel selector to be tested 301759ff497SNamhyung Kim * 302759ff497SNamhyung Kim * Return %true if @evsel is a group leader or a stand-alone event 303759ff497SNamhyung Kim */ 304823254edSNamhyung Kim static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel) 30507ac002fSArnaldo Carvalho de Melo { 306823254edSNamhyung Kim return evsel->leader == evsel; 30707ac002fSArnaldo Carvalho de Melo } 3080698aeddSArnaldo Carvalho de Melo 309759ff497SNamhyung Kim /** 310759ff497SNamhyung Kim * perf_evsel__is_group_event - Return whether given evsel is a group event 311759ff497SNamhyung Kim * 312759ff497SNamhyung Kim * @evsel - evsel selector to be tested 313759ff497SNamhyung Kim * 314759ff497SNamhyung Kim * Return %true iff event group view is enabled and @evsel is a actual group 315759ff497SNamhyung Kim * leader which has other members in the group 316759ff497SNamhyung Kim */ 317759ff497SNamhyung Kim static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel) 318759ff497SNamhyung Kim { 319759ff497SNamhyung Kim if (!symbol_conf.event_group) 320759ff497SNamhyung Kim return false; 321759ff497SNamhyung Kim 322759ff497SNamhyung Kim return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1; 323759ff497SNamhyung Kim } 324759ff497SNamhyung Kim 3256bedfab6SJiri Olsa /** 3266bedfab6SJiri Olsa * perf_evsel__is_function_event - Return whether given evsel is a function 3276bedfab6SJiri Olsa * trace event 3286bedfab6SJiri Olsa * 3296bedfab6SJiri Olsa * @evsel - evsel selector to be tested 3306bedfab6SJiri Olsa * 3316bedfab6SJiri Olsa * Return %true if event is function trace event 3326bedfab6SJiri Olsa */ 3336bedfab6SJiri Olsa static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel) 3346bedfab6SJiri Olsa { 3356bedfab6SJiri Olsa #define FUNCTION_EVENT "ftrace:function" 3366bedfab6SJiri Olsa 3376bedfab6SJiri Olsa return evsel->name && 3386bedfab6SJiri Olsa !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT)); 3396bedfab6SJiri Olsa 3406bedfab6SJiri Olsa #undef FUNCTION_EVENT 3416bedfab6SJiri Olsa } 3426bedfab6SJiri Olsa 3430698aeddSArnaldo Carvalho de Melo struct perf_attr_details { 3440698aeddSArnaldo Carvalho de Melo bool freq; 3450698aeddSArnaldo Carvalho de Melo bool verbose; 346e35ef355SArnaldo Carvalho de Melo bool event_group; 3470698aeddSArnaldo Carvalho de Melo }; 3480698aeddSArnaldo Carvalho de Melo 3490698aeddSArnaldo Carvalho de Melo int perf_evsel__fprintf(struct perf_evsel *evsel, 3500698aeddSArnaldo Carvalho de Melo struct perf_attr_details *details, FILE *fp); 351c0a54341SArnaldo Carvalho de Melo 352c0a54341SArnaldo Carvalho de Melo bool perf_evsel__fallback(struct perf_evsel *evsel, int err, 353c0a54341SArnaldo Carvalho de Melo char *msg, size_t msgsize); 354602ad878SArnaldo Carvalho de Melo int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target, 35556e52e85SArnaldo Carvalho de Melo int err, char *msg, size_t size); 35697f63e4aSNamhyung Kim 35797f63e4aSNamhyung Kim static inline int perf_evsel__group_idx(struct perf_evsel *evsel) 35897f63e4aSNamhyung Kim { 35997f63e4aSNamhyung Kim return evsel->idx - evsel->leader->idx; 36097f63e4aSNamhyung Kim } 361717e263fSNamhyung Kim 362717e263fSNamhyung Kim #define for_each_group_member(_evsel, _leader) \ 363717e263fSNamhyung Kim for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \ 364717e263fSNamhyung Kim (_evsel) && (_evsel)->leader == (_leader); \ 365717e263fSNamhyung Kim (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node)) 366717e263fSNamhyung Kim 36769aad6f1SArnaldo Carvalho de Melo #endif /* __PERF_EVSEL_H */ 368