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" 10759ff497SNamhyung Kim #include "symbol.h" 11a22e99cdSJiri Olsa #include "cpumap.h" 12d809560bSJiri Olsa #include "counts.h" 13c52b12edSArnaldo Carvalho de Melo 1470db7533SArnaldo Carvalho de Melo struct perf_evsel; 1570db7533SArnaldo Carvalho de Melo 1670db7533SArnaldo Carvalho de Melo /* 1770db7533SArnaldo Carvalho de Melo * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are 1870db7533SArnaldo Carvalho de Melo * more than one entry in the evlist. 1970db7533SArnaldo Carvalho de Melo */ 2070db7533SArnaldo Carvalho de Melo struct perf_sample_id { 2170db7533SArnaldo Carvalho de Melo struct hlist_node node; 2270db7533SArnaldo Carvalho de Melo u64 id; 2370db7533SArnaldo Carvalho de Melo struct perf_evsel *evsel; 243c659eedSAdrian Hunter int idx; 253c659eedSAdrian Hunter int cpu; 263c659eedSAdrian Hunter pid_t tid; 27e4caec0dSJiri Olsa 28e4caec0dSJiri Olsa /* Holds total ID period value for PERF_SAMPLE_READ processing. */ 29e4caec0dSJiri Olsa u64 period; 3070db7533SArnaldo Carvalho de Melo }; 3170db7533SArnaldo Carvalho de Melo 32f14d5707SArnaldo Carvalho de Melo struct cgroup_sel; 33f14d5707SArnaldo Carvalho de Melo 34930a2e29SJiri Olsa /* 35930a2e29SJiri Olsa * The 'struct perf_evsel_config_term' is used to pass event 36930a2e29SJiri Olsa * specific configuration data to perf_evsel__config routine. 37930a2e29SJiri Olsa * It is allocated within event parsing and attached to 38930a2e29SJiri Olsa * perf_evsel::config_terms list head. 39930a2e29SJiri Olsa */ 40930a2e29SJiri Olsa enum { 41ee4c7588SJiri Olsa PERF_EVSEL__CONFIG_TERM_PERIOD, 4209af2a55SNamhyung Kim PERF_EVSEL__CONFIG_TERM_FREQ, 4332067712SKan Liang PERF_EVSEL__CONFIG_TERM_TIME, 44d457c963SKan Liang PERF_EVSEL__CONFIG_TERM_CALLGRAPH, 45d457c963SKan Liang PERF_EVSEL__CONFIG_TERM_STACK_USER, 46930a2e29SJiri Olsa PERF_EVSEL__CONFIG_TERM_MAX, 47930a2e29SJiri Olsa }; 48930a2e29SJiri Olsa 49930a2e29SJiri Olsa struct perf_evsel_config_term { 50930a2e29SJiri Olsa struct list_head list; 51930a2e29SJiri Olsa int type; 52930a2e29SJiri Olsa union { 53930a2e29SJiri Olsa u64 period; 5409af2a55SNamhyung Kim u64 freq; 5532067712SKan Liang bool time; 56d457c963SKan Liang char *callgraph; 57d457c963SKan Liang u64 stack_user; 58930a2e29SJiri Olsa } val; 59930a2e29SJiri Olsa }; 60930a2e29SJiri Olsa 61f0c55bcfSStephane Eranian /** struct perf_evsel - event selector 62f0c55bcfSStephane Eranian * 63d49e4695SArnaldo Carvalho de Melo * @evlist - evlist this evsel is in, if it is in one. 64d49e4695SArnaldo Carvalho de Melo * @node - To insert it into evlist->entries or in other list_heads, say in 65d49e4695SArnaldo Carvalho de Melo * the event parsing routines. 66f0c55bcfSStephane Eranian * @name - Can be set to retain the original event name passed by the user, 67f0c55bcfSStephane Eranian * so that when showing results in tools such as 'perf stat', we 68f0c55bcfSStephane Eranian * show the name used, not some alias. 6975562573SAdrian Hunter * @id_pos: the position of the event id (PERF_SAMPLE_ID or 7075562573SAdrian Hunter * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of 7175562573SAdrian Hunter * struct sample_event 7275562573SAdrian Hunter * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or 7375562573SAdrian Hunter * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all 7475562573SAdrian Hunter * is used there is an id sample appended to non-sample events 750db15b1eSAdrian Hunter * @priv: And what is in its containing unnamed union are tool specific 76f0c55bcfSStephane Eranian */ 7769aad6f1SArnaldo Carvalho de Melo struct perf_evsel { 7869aad6f1SArnaldo Carvalho de Melo struct list_head node; 79d49e4695SArnaldo Carvalho de Melo struct perf_evlist *evlist; 8069aad6f1SArnaldo Carvalho de Melo struct perf_event_attr attr; 8169aad6f1SArnaldo Carvalho de Melo char *filter; 8269aad6f1SArnaldo Carvalho de Melo struct xyarray *fd; 83a91e5431SArnaldo Carvalho de Melo struct xyarray *sample_id; 84a91e5431SArnaldo Carvalho de Melo u64 *id; 85c52b12edSArnaldo Carvalho de Melo struct perf_counts *counts; 86c7a79c47SStephane Eranian struct perf_counts *prev_raw_counts; 8769aad6f1SArnaldo Carvalho de Melo int idx; 88f4d83436SRobert Richter u32 ids; 89f0c55bcfSStephane Eranian char *name; 90410136f5SStephane Eranian double scale; 91410136f5SStephane Eranian const char *unit; 92fcf65bf1SArnaldo Carvalho de Melo struct event_format *tp_format; 93a91e5431SArnaldo Carvalho de Melo union { 9469aad6f1SArnaldo Carvalho de Melo void *priv; 95a91e5431SArnaldo Carvalho de Melo off_t id_offset; 960db15b1eSAdrian Hunter u64 db_id; 97a91e5431SArnaldo Carvalho de Melo }; 98023695d9SStephane Eranian struct cgroup_sel *cgrp; 99744a9719SArnaldo Carvalho de Melo void *handler; 1007ae92e74SYan, Zheng struct cpu_map *cpus; 101578e91ecSJiri Olsa struct thread_map *threads; 102bde09467SArnaldo Carvalho de Melo unsigned int sample_size; 10375562573SAdrian Hunter int id_pos; 10475562573SAdrian Hunter int is_pos; 10586066064SArnaldo Carvalho de Melo bool snapshot; 1062cee77c4SDavid Ahern bool supported; 1070807d2d8SArnaldo Carvalho de Melo bool needs_swap; 1086ff1ce76SAdrian Hunter bool no_aux_samples; 1092afd2bcfSAdrian Hunter bool immediate; 110bf8e8f4bSAdrian Hunter bool system_wide; 11160b0896cSAdrian Hunter bool tracking; 112044330c1SMatt Fleming bool per_pkg; 113f5b1135bSJiri Olsa /* parse modifier helper */ 114f5b1135bSJiri Olsa int exclude_GH; 11597f63e4aSNamhyung Kim int nr_members; 1163c176311SJiri Olsa int sample_read; 11786066064SArnaldo Carvalho de Melo unsigned long *per_pkg_mask; 1186a4bb04cSJiri Olsa struct perf_evsel *leader; 1196a4bb04cSJiri Olsa char *group_name; 12015bfd2ccSWang Nan bool cmdline_group_boundary; 121930a2e29SJiri Olsa struct list_head config_terms; 12269aad6f1SArnaldo Carvalho de Melo }; 12369aad6f1SArnaldo Carvalho de Melo 12488080ce7SBorislav Petkov union u64_swap { 12588080ce7SBorislav Petkov u64 val64; 12688080ce7SBorislav Petkov u32 val32[2]; 12788080ce7SBorislav Petkov }; 12888080ce7SBorislav Petkov 12986bd5e86SArnaldo Carvalho de Melo struct cpu_map; 13080b2210cSArnaldo Carvalho de Melo struct target; 13186bd5e86SArnaldo Carvalho de Melo struct thread_map; 132b4006796SArnaldo Carvalho de Melo struct record_opts; 13386bd5e86SArnaldo Carvalho de Melo 134a22e99cdSJiri Olsa static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel) 135a22e99cdSJiri Olsa { 136a22e99cdSJiri Olsa return evsel->cpus; 137a22e99cdSJiri Olsa } 138a22e99cdSJiri Olsa 139a22e99cdSJiri Olsa static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel) 140a22e99cdSJiri Olsa { 141a22e99cdSJiri Olsa return perf_evsel__cpus(evsel)->nr; 142a22e99cdSJiri Olsa } 143a22e99cdSJiri Olsa 14413112bbfSJiri Olsa void perf_counts_values__scale(struct perf_counts_values *count, 14513112bbfSJiri Olsa bool scale, s8 *pscaled); 14613112bbfSJiri Olsa 147a6fa0038SJiri Olsa void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread, 148857a94a2SJiri Olsa struct perf_counts_values *count); 149857a94a2SJiri Olsa 150ce8ccff5SArnaldo Carvalho de Melo int perf_evsel__object_config(size_t object_size, 151ce8ccff5SArnaldo Carvalho de Melo int (*init)(struct perf_evsel *evsel), 152ce8ccff5SArnaldo Carvalho de Melo void (*fini)(struct perf_evsel *evsel)); 153ce8ccff5SArnaldo Carvalho de Melo 154ef503831SArnaldo Carvalho de Melo struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx); 155ef503831SArnaldo Carvalho de Melo 156ef503831SArnaldo Carvalho de Melo static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr) 157ef503831SArnaldo Carvalho de Melo { 158ef503831SArnaldo Carvalho de Melo return perf_evsel__new_idx(attr, 0); 159ef503831SArnaldo Carvalho de Melo } 160ef503831SArnaldo Carvalho de Melo 161ef503831SArnaldo Carvalho de Melo struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx); 162ef503831SArnaldo Carvalho de Melo 163*8dd2a131SJiri Olsa /* 164*8dd2a131SJiri Olsa * Returns pointer with encoded error via <linux/err.h> interface. 165*8dd2a131SJiri Olsa */ 166ef503831SArnaldo Carvalho de Melo static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name) 167ef503831SArnaldo Carvalho de Melo { 168ef503831SArnaldo Carvalho de Melo return perf_evsel__newtp_idx(sys, name, 0); 169ef503831SArnaldo Carvalho de Melo } 170201b7334SArnaldo Carvalho de Melo 171201b7334SArnaldo Carvalho de Melo struct event_format *event_format__new(const char *sys, const char *name); 172201b7334SArnaldo Carvalho de Melo 173ef1d1af2SArnaldo Carvalho de Melo void perf_evsel__init(struct perf_evsel *evsel, 174ef1d1af2SArnaldo Carvalho de Melo struct perf_event_attr *attr, int idx); 175ef1d1af2SArnaldo Carvalho de Melo void perf_evsel__exit(struct perf_evsel *evsel); 17669aad6f1SArnaldo Carvalho de Melo void perf_evsel__delete(struct perf_evsel *evsel); 17769aad6f1SArnaldo Carvalho de Melo 1780f82ebc4SArnaldo Carvalho de Melo void perf_evsel__config(struct perf_evsel *evsel, 179b4006796SArnaldo Carvalho de Melo struct record_opts *opts); 1800f82ebc4SArnaldo Carvalho de Melo 18175562573SAdrian Hunter int __perf_evsel__sample_size(u64 sample_type); 18275562573SAdrian Hunter void perf_evsel__calc_id_pos(struct perf_evsel *evsel); 18375562573SAdrian Hunter 1840b668bc9SArnaldo Carvalho de Melo bool perf_evsel__is_cache_op_valid(u8 type, u8 op); 1850b668bc9SArnaldo Carvalho de Melo 1860b668bc9SArnaldo Carvalho de Melo #define PERF_EVSEL__MAX_ALIASES 8 1870b668bc9SArnaldo Carvalho de Melo 1880b668bc9SArnaldo Carvalho de Melo extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX] 1890b668bc9SArnaldo Carvalho de Melo [PERF_EVSEL__MAX_ALIASES]; 1900b668bc9SArnaldo Carvalho de Melo extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX] 1910b668bc9SArnaldo Carvalho de Melo [PERF_EVSEL__MAX_ALIASES]; 1928ad7013bSArnaldo Carvalho de Melo extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] 1930b668bc9SArnaldo Carvalho de Melo [PERF_EVSEL__MAX_ALIASES]; 1948ad7013bSArnaldo Carvalho de Melo extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX]; 1958ad7013bSArnaldo Carvalho de Melo extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX]; 1960b668bc9SArnaldo Carvalho de Melo int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, 1970b668bc9SArnaldo Carvalho de Melo char *bf, size_t size); 1987289f83cSArnaldo Carvalho de Melo const char *perf_evsel__name(struct perf_evsel *evsel); 199410136f5SStephane Eranian 200717e263fSNamhyung Kim const char *perf_evsel__group_name(struct perf_evsel *evsel); 201717e263fSNamhyung Kim int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size); 202c410431cSArnaldo Carvalho de Melo 20370db7533SArnaldo Carvalho de Melo int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); 204c52b12edSArnaldo Carvalho de Melo void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); 20569aad6f1SArnaldo Carvalho de Melo 2067be5ebe8SArnaldo Carvalho de Melo void __perf_evsel__set_sample_bit(struct perf_evsel *evsel, 2077be5ebe8SArnaldo Carvalho de Melo enum perf_event_sample_format bit); 2087be5ebe8SArnaldo Carvalho de Melo void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel, 2097be5ebe8SArnaldo Carvalho de Melo enum perf_event_sample_format bit); 2107be5ebe8SArnaldo Carvalho de Melo 2117be5ebe8SArnaldo Carvalho de Melo #define perf_evsel__set_sample_bit(evsel, bit) \ 2127be5ebe8SArnaldo Carvalho de Melo __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit) 2137be5ebe8SArnaldo Carvalho de Melo 2147be5ebe8SArnaldo Carvalho de Melo #define perf_evsel__reset_sample_bit(evsel, bit) \ 2157be5ebe8SArnaldo Carvalho de Melo __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit) 2167be5ebe8SArnaldo Carvalho de Melo 21775562573SAdrian Hunter void perf_evsel__set_sample_id(struct perf_evsel *evsel, 21875562573SAdrian Hunter bool use_sample_identifier); 2197a5a5ca5SArnaldo Carvalho de Melo 22012467ae4SArnaldo Carvalho de Melo int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter); 22164ec84f5SArnaldo Carvalho de Melo int perf_evsel__append_filter(struct perf_evsel *evsel, 22264ec84f5SArnaldo Carvalho de Melo const char *op, const char *filter); 223f47805a2SArnaldo Carvalho de Melo int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads, 224745cefc5SArnaldo Carvalho de Melo const char *filter); 225e2407befSAndi Kleen int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads); 226745cefc5SArnaldo Carvalho de Melo 227f08199d3SArnaldo Carvalho de Melo int perf_evsel__open_per_cpu(struct perf_evsel *evsel, 2286a4bb04cSJiri Olsa struct cpu_map *cpus); 229f08199d3SArnaldo Carvalho de Melo int perf_evsel__open_per_thread(struct perf_evsel *evsel, 2306a4bb04cSJiri Olsa struct thread_map *threads); 231f08199d3SArnaldo Carvalho de Melo int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, 2326a4bb04cSJiri Olsa struct thread_map *threads); 233727ab04eSArnaldo Carvalho de Melo void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads); 23448290609SArnaldo Carvalho de Melo 2355555ded4SArnaldo Carvalho de Melo struct perf_sample; 2365555ded4SArnaldo Carvalho de Melo 2375d2074eaSArnaldo Carvalho de Melo void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample, 2385555ded4SArnaldo Carvalho de Melo const char *name); 2395555ded4SArnaldo Carvalho de Melo u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, 2405555ded4SArnaldo Carvalho de Melo const char *name); 2415555ded4SArnaldo Carvalho de Melo 2425d2074eaSArnaldo Carvalho de Melo static inline char *perf_evsel__strval(struct perf_evsel *evsel, 2435d2074eaSArnaldo Carvalho de Melo struct perf_sample *sample, 2445d2074eaSArnaldo Carvalho de Melo const char *name) 2455d2074eaSArnaldo Carvalho de Melo { 2465d2074eaSArnaldo Carvalho de Melo return perf_evsel__rawptr(evsel, sample, name); 2475d2074eaSArnaldo Carvalho de Melo } 2485d2074eaSArnaldo Carvalho de Melo 249efd2b924SArnaldo Carvalho de Melo struct format_field; 250efd2b924SArnaldo Carvalho de Melo 251efd2b924SArnaldo Carvalho de Melo struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name); 252efd2b924SArnaldo Carvalho de Melo 253daec78a0SArnaldo Carvalho de Melo #define perf_evsel__match(evsel, t, c) \ 254daec78a0SArnaldo Carvalho de Melo (evsel->attr.type == PERF_TYPE_##t && \ 255daec78a0SArnaldo Carvalho de Melo evsel->attr.config == PERF_COUNT_##c) 256daec78a0SArnaldo Carvalho de Melo 257863e451fSJiri Olsa static inline bool perf_evsel__match2(struct perf_evsel *e1, 258863e451fSJiri Olsa struct perf_evsel *e2) 259863e451fSJiri Olsa { 260863e451fSJiri Olsa return (e1->attr.type == e2->attr.type) && 261863e451fSJiri Olsa (e1->attr.config == e2->attr.config); 262863e451fSJiri Olsa } 263863e451fSJiri Olsa 2644cabc3d1SAndi Kleen #define perf_evsel__cmp(a, b) \ 2654cabc3d1SAndi Kleen ((a) && \ 2664cabc3d1SAndi Kleen (b) && \ 2674cabc3d1SAndi Kleen (a)->attr.type == (b)->attr.type && \ 2684cabc3d1SAndi Kleen (a)->attr.config == (b)->attr.config) 2694cabc3d1SAndi Kleen 270f99f4719SJiri Olsa int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread, 271f99f4719SJiri Olsa struct perf_counts_values *count); 272f99f4719SJiri Olsa 273c52b12edSArnaldo Carvalho de Melo int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, 274c52b12edSArnaldo Carvalho de Melo int cpu, int thread, bool scale); 275c52b12edSArnaldo Carvalho de Melo 276c52b12edSArnaldo Carvalho de Melo /** 277c52b12edSArnaldo Carvalho de Melo * perf_evsel__read_on_cpu - Read out the results on a CPU and thread 278c52b12edSArnaldo Carvalho de Melo * 279c52b12edSArnaldo Carvalho de Melo * @evsel - event selector to read value 280c52b12edSArnaldo Carvalho de Melo * @cpu - CPU of interest 281c52b12edSArnaldo Carvalho de Melo * @thread - thread of interest 282c52b12edSArnaldo Carvalho de Melo */ 283c52b12edSArnaldo Carvalho de Melo static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel, 284c52b12edSArnaldo Carvalho de Melo int cpu, int thread) 285c52b12edSArnaldo Carvalho de Melo { 286c52b12edSArnaldo Carvalho de Melo return __perf_evsel__read_on_cpu(evsel, cpu, thread, false); 287c52b12edSArnaldo Carvalho de Melo } 288c52b12edSArnaldo Carvalho de Melo 289c52b12edSArnaldo Carvalho de Melo /** 290c52b12edSArnaldo Carvalho de Melo * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled 291c52b12edSArnaldo Carvalho de Melo * 292c52b12edSArnaldo Carvalho de Melo * @evsel - event selector to read value 293c52b12edSArnaldo Carvalho de Melo * @cpu - CPU of interest 294c52b12edSArnaldo Carvalho de Melo * @thread - thread of interest 295c52b12edSArnaldo Carvalho de Melo */ 296c52b12edSArnaldo Carvalho de Melo static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel, 297c52b12edSArnaldo Carvalho de Melo int cpu, int thread) 298c52b12edSArnaldo Carvalho de Melo { 299c52b12edSArnaldo Carvalho de Melo return __perf_evsel__read_on_cpu(evsel, cpu, thread, true); 300c52b12edSArnaldo Carvalho de Melo } 301c52b12edSArnaldo Carvalho de Melo 302a3f698feSArnaldo Carvalho de Melo int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, 3030807d2d8SArnaldo Carvalho de Melo struct perf_sample *sample); 3040c21f736SArnaldo Carvalho de Melo 3050c21f736SArnaldo Carvalho de Melo static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) 3060c21f736SArnaldo Carvalho de Melo { 3070c21f736SArnaldo Carvalho de Melo return list_entry(evsel->node.next, struct perf_evsel, node); 3080c21f736SArnaldo Carvalho de Melo } 30907ac002fSArnaldo Carvalho de Melo 310d87fcb4aSArnaldo Carvalho de Melo static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel) 311d87fcb4aSArnaldo Carvalho de Melo { 312d87fcb4aSArnaldo Carvalho de Melo return list_entry(evsel->node.prev, struct perf_evsel, node); 313d87fcb4aSArnaldo Carvalho de Melo } 314d87fcb4aSArnaldo Carvalho de Melo 315759ff497SNamhyung Kim /** 316759ff497SNamhyung Kim * perf_evsel__is_group_leader - Return whether given evsel is a leader event 317759ff497SNamhyung Kim * 318759ff497SNamhyung Kim * @evsel - evsel selector to be tested 319759ff497SNamhyung Kim * 320759ff497SNamhyung Kim * Return %true if @evsel is a group leader or a stand-alone event 321759ff497SNamhyung Kim */ 322823254edSNamhyung Kim static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel) 32307ac002fSArnaldo Carvalho de Melo { 324823254edSNamhyung Kim return evsel->leader == evsel; 32507ac002fSArnaldo Carvalho de Melo } 3260698aeddSArnaldo Carvalho de Melo 327759ff497SNamhyung Kim /** 328759ff497SNamhyung Kim * perf_evsel__is_group_event - Return whether given evsel is a group event 329759ff497SNamhyung Kim * 330759ff497SNamhyung Kim * @evsel - evsel selector to be tested 331759ff497SNamhyung Kim * 332759ff497SNamhyung Kim * Return %true iff event group view is enabled and @evsel is a actual group 333759ff497SNamhyung Kim * leader which has other members in the group 334759ff497SNamhyung Kim */ 335759ff497SNamhyung Kim static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel) 336759ff497SNamhyung Kim { 337759ff497SNamhyung Kim if (!symbol_conf.event_group) 338759ff497SNamhyung Kim return false; 339759ff497SNamhyung Kim 340759ff497SNamhyung Kim return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1; 341759ff497SNamhyung Kim } 342759ff497SNamhyung Kim 3436bedfab6SJiri Olsa /** 3446bedfab6SJiri Olsa * perf_evsel__is_function_event - Return whether given evsel is a function 3456bedfab6SJiri Olsa * trace event 3466bedfab6SJiri Olsa * 3476bedfab6SJiri Olsa * @evsel - evsel selector to be tested 3486bedfab6SJiri Olsa * 3496bedfab6SJiri Olsa * Return %true if event is function trace event 3506bedfab6SJiri Olsa */ 3516bedfab6SJiri Olsa static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel) 3526bedfab6SJiri Olsa { 3536bedfab6SJiri Olsa #define FUNCTION_EVENT "ftrace:function" 3546bedfab6SJiri Olsa 3556bedfab6SJiri Olsa return evsel->name && 3566bedfab6SJiri Olsa !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT)); 3576bedfab6SJiri Olsa 3586bedfab6SJiri Olsa #undef FUNCTION_EVENT 3596bedfab6SJiri Olsa } 3606bedfab6SJiri Olsa 3610698aeddSArnaldo Carvalho de Melo struct perf_attr_details { 3620698aeddSArnaldo Carvalho de Melo bool freq; 3630698aeddSArnaldo Carvalho de Melo bool verbose; 364e35ef355SArnaldo Carvalho de Melo bool event_group; 3659e3b6ec1SYunlong Song bool force; 3660698aeddSArnaldo Carvalho de Melo }; 3670698aeddSArnaldo Carvalho de Melo 3680698aeddSArnaldo Carvalho de Melo int perf_evsel__fprintf(struct perf_evsel *evsel, 3690698aeddSArnaldo Carvalho de Melo struct perf_attr_details *details, FILE *fp); 370c0a54341SArnaldo Carvalho de Melo 371c0a54341SArnaldo Carvalho de Melo bool perf_evsel__fallback(struct perf_evsel *evsel, int err, 372c0a54341SArnaldo Carvalho de Melo char *msg, size_t msgsize); 373602ad878SArnaldo Carvalho de Melo int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target, 37456e52e85SArnaldo Carvalho de Melo int err, char *msg, size_t size); 37597f63e4aSNamhyung Kim 37697f63e4aSNamhyung Kim static inline int perf_evsel__group_idx(struct perf_evsel *evsel) 37797f63e4aSNamhyung Kim { 37897f63e4aSNamhyung Kim return evsel->idx - evsel->leader->idx; 37997f63e4aSNamhyung Kim } 380717e263fSNamhyung Kim 381717e263fSNamhyung Kim #define for_each_group_member(_evsel, _leader) \ 382717e263fSNamhyung Kim for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \ 383717e263fSNamhyung Kim (_evsel) && (_evsel)->leader == (_leader); \ 384717e263fSNamhyung Kim (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node)) 385717e263fSNamhyung Kim 386384b6055SKan Liang static inline bool has_branch_callstack(struct perf_evsel *evsel) 387384b6055SKan Liang { 388384b6055SKan Liang return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK; 389384b6055SKan Liang } 3902c5e8c52SPeter Zijlstra 3912c5e8c52SPeter Zijlstra typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *); 3922c5e8c52SPeter Zijlstra 3932c5e8c52SPeter Zijlstra int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr, 3942c5e8c52SPeter Zijlstra attr__fprintf_f attr__fprintf, void *priv); 3952c5e8c52SPeter Zijlstra 39669aad6f1SArnaldo Carvalho de Melo #endif /* __PERF_EVSEL_H */ 397