1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2361c99a6SArnaldo Carvalho de Melo #ifndef __PERF_EVLIST_H 3361c99a6SArnaldo Carvalho de Melo #define __PERF_EVLIST_H 1 4361c99a6SArnaldo Carvalho de Melo 55c97cac6SArnaldo Carvalho de Melo #include <linux/compiler.h> 6877a7a11SArnaldo Carvalho de Melo #include <linux/kernel.h> 725a3720cSElena Reshetova #include <linux/refcount.h> 8361c99a6SArnaldo Carvalho de Melo #include <linux/list.h> 91b85337dSArnaldo Carvalho de Melo #include <api/fd/array.h> 10ce9036a6SJiri Olsa #include <internal/evlist.h> 11515dbe48SJiri Olsa #include <internal/evsel.h> 129d2dc632SIan Rogers #include <perf/evlist.h> 1347729258SArnaldo Carvalho de Melo #include "events_stats.h" 140c21f736SArnaldo Carvalho de Melo #include "evsel.h" 15e0fcfb08SArnaldo Carvalho de Melo #include <pthread.h> 169607ad3aSArnaldo Carvalho de Melo #include <signal.h> 1735b9d88eSArnaldo Carvalho de Melo #include <unistd.h> 18361c99a6SArnaldo Carvalho de Melo 195c581041SArnaldo Carvalho de Melo struct pollfd; 20f8a95309SArnaldo Carvalho de Melo struct thread_map; 21f854839bSJiri Olsa struct perf_cpu_map; 22b4006796SArnaldo Carvalho de Melo struct record_opts; 235c581041SArnaldo Carvalho de Melo 24e0fcfb08SArnaldo Carvalho de Melo /* 25e0fcfb08SArnaldo Carvalho de Melo * State machine of bkw_mmap_state: 26e0fcfb08SArnaldo Carvalho de Melo * 27e0fcfb08SArnaldo Carvalho de Melo * .________________(forbid)_____________. 28e0fcfb08SArnaldo Carvalho de Melo * | V 29e0fcfb08SArnaldo Carvalho de Melo * NOTREADY --(0)--> RUNNING --(1)--> DATA_PENDING --(2)--> EMPTY 30e0fcfb08SArnaldo Carvalho de Melo * ^ ^ | ^ | 31e0fcfb08SArnaldo Carvalho de Melo * | |__(forbid)____/ |___(forbid)___/| 32e0fcfb08SArnaldo Carvalho de Melo * | | 33e0fcfb08SArnaldo Carvalho de Melo * \_________________(3)_______________/ 34e0fcfb08SArnaldo Carvalho de Melo * 35e0fcfb08SArnaldo Carvalho de Melo * NOTREADY : Backward ring buffers are not ready 36e0fcfb08SArnaldo Carvalho de Melo * RUNNING : Backward ring buffers are recording 37e0fcfb08SArnaldo Carvalho de Melo * DATA_PENDING : We are required to collect data from backward ring buffers 38e0fcfb08SArnaldo Carvalho de Melo * EMPTY : We have collected data from backward ring buffers. 39e0fcfb08SArnaldo Carvalho de Melo * 40e0fcfb08SArnaldo Carvalho de Melo * (0): Setup backward ring buffer 41e0fcfb08SArnaldo Carvalho de Melo * (1): Pause ring buffers for reading 42e0fcfb08SArnaldo Carvalho de Melo * (2): Read from ring buffers 43e0fcfb08SArnaldo Carvalho de Melo * (3): Resume ring buffers for recording 44e0fcfb08SArnaldo Carvalho de Melo */ 45e0fcfb08SArnaldo Carvalho de Melo enum bkw_mmap_state { 46e0fcfb08SArnaldo Carvalho de Melo BKW_MMAP_NOTREADY, 47e0fcfb08SArnaldo Carvalho de Melo BKW_MMAP_RUNNING, 48e0fcfb08SArnaldo Carvalho de Melo BKW_MMAP_DATA_PENDING, 49e0fcfb08SArnaldo Carvalho de Melo BKW_MMAP_EMPTY, 50e0fcfb08SArnaldo Carvalho de Melo }; 51e0fcfb08SArnaldo Carvalho de Melo 526657a099SAdrian Hunter struct event_enable_timer; 536657a099SAdrian Hunter 5463503dbaSJiri Olsa struct evlist { 55ce9036a6SJiri Olsa struct perf_evlist core; 562b56bcfbSArnaldo Carvalho de Melo bool enabled; 5775562573SAdrian Hunter int id_pos; 5875562573SAdrian Hunter int is_pos; 5975562573SAdrian Hunter u64 combined_sample_type; 6054cc54deSWang Nan enum bkw_mmap_state bkw_mmap_state; 6135b9d88eSArnaldo Carvalho de Melo struct { 6235b9d88eSArnaldo Carvalho de Melo int cork_fd; 6335b9d88eSArnaldo Carvalho de Melo pid_t pid; 6435b9d88eSArnaldo Carvalho de Melo } workload; 65a5830532SJiri Olsa struct mmap *mmap; 66a5830532SJiri Olsa struct mmap *overwrite_mmap; 6732dcd021SJiri Olsa struct evsel *selected; 6875be989aSArnaldo Carvalho de Melo struct events_stats stats; 692c07144dSKan Liang struct perf_env *env; 7063503dbaSJiri Olsa void (*trace_event_sample_raw)(struct evlist *evlist, 7193115d32SThomas Richter union perf_event *event, 7293115d32SThomas Richter struct perf_sample *sample); 736011518dSJin Yao u64 first_sample_time; 746011518dSJin Yao u64 last_sample_time; 75657ee553SSong Liu struct { 76657ee553SSong Liu pthread_t th; 77657ee553SSong Liu volatile int done; 78657ee553SSong Liu } thread; 798ab705b5SAlexey Budankov struct { 808ab705b5SAlexey Budankov int fd; /* control file descriptor */ 818ab705b5SAlexey Budankov int ack; /* ack file descriptor for control commands */ 828ab705b5SAlexey Budankov int pos; /* index at evlist core object to check signals */ 838ab705b5SAlexey Budankov } ctl_fd; 846657a099SAdrian Hunter struct event_enable_timer *eet; 85361c99a6SArnaldo Carvalho de Melo }; 86361c99a6SArnaldo Carvalho de Melo 8732dcd021SJiri Olsa struct evsel_str_handler { 88ee29be62SArnaldo Carvalho de Melo const char *name; 89ee29be62SArnaldo Carvalho de Melo void *handler; 90ee29be62SArnaldo Carvalho de Melo }; 91ee29be62SArnaldo Carvalho de Melo 920f98b11cSJiri Olsa struct evlist *evlist__new(void); 93606e2c29SArnaldo Carvalho de Melo struct evlist *evlist__new_default(void); 94606e2c29SArnaldo Carvalho de Melo struct evlist *evlist__new_dummy(void); 9552c86bcaSJiri Olsa void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus, 969749b90eSJiri Olsa struct perf_thread_map *threads); 97470579b0SJiri Olsa void evlist__exit(struct evlist *evlist); 98c12995a5SJiri Olsa void evlist__delete(struct evlist *evlist); 99361c99a6SArnaldo Carvalho de Melo 100a1cf3a75SJiri Olsa void evlist__add(struct evlist *evlist, struct evsel *entry); 10116251027SJiri Olsa void evlist__remove(struct evlist *evlist, struct evsel *evsel); 102db918acbSArnaldo Carvalho de Melo 103e251abeeSArnaldo Carvalho de Melo int __evlist__add_default(struct evlist *evlist, bool precise); 104db918acbSArnaldo Carvalho de Melo 105e251abeeSArnaldo Carvalho de Melo static inline int evlist__add_default(struct evlist *evlist) 106db918acbSArnaldo Carvalho de Melo { 107e251abeeSArnaldo Carvalho de Melo return __evlist__add_default(evlist, true); 108db918acbSArnaldo Carvalho de Melo } 109db918acbSArnaldo Carvalho de Melo 110cdb204adSKan Liang int evlist__add_attrs(struct evlist *evlist, struct perf_event_attr *attrs, size_t nr_attrs); 111cdb204adSKan Liang 112e251abeeSArnaldo Carvalho de Melo int __evlist__add_default_attrs(struct evlist *evlist, 11379695e1bSArnaldo Carvalho de Melo struct perf_event_attr *attrs, size_t nr_attrs); 11450d08e47SArnaldo Carvalho de Melo 115a9c1ecdaSKan Liang int arch_evlist__add_default_attrs(struct evlist *evlist, 116a9c1ecdaSKan Liang struct perf_event_attr *attrs, 117a9c1ecdaSKan Liang size_t nr_attrs); 118361c99a6SArnaldo Carvalho de Melo 119a9c1ecdaSKan Liang #define evlist__add_default_attrs(evlist, array) \ 120a9c1ecdaSKan Liang arch_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array)) 121a9c1ecdaSKan Liang 122347c2f0aSIan Rogers int arch_evlist__cmp(const struct evsel *lhs, const struct evsel *rhs); 12342641d6fSKan Liang 124e251abeeSArnaldo Carvalho de Melo int evlist__add_dummy(struct evlist *evlist); 125126d68fdSAdrian Hunter struct evsel *evlist__add_aux_dummy(struct evlist *evlist, bool system_wide); 126126d68fdSAdrian Hunter static inline struct evsel *evlist__add_dummy_on_all_cpus(struct evlist *evlist) 127126d68fdSAdrian Hunter { 128126d68fdSAdrian Hunter return evlist__add_aux_dummy(evlist, true); 129126d68fdSAdrian Hunter } 130378ef0f5SIan Rogers #ifdef HAVE_LIBTRACEEVENT 131182bb594SNamhyung Kim struct evsel *evlist__add_sched_switch(struct evlist *evlist, bool system_wide); 132378ef0f5SIan Rogers #endif 1335bae0250SArnaldo Carvalho de Melo 13408c83997SArnaldo Carvalho de Melo int evlist__add_sb_event(struct evlist *evlist, struct perf_event_attr *attr, 13508c83997SArnaldo Carvalho de Melo evsel__sb_cb_t cb, void *data); 13665ddce3fSArnaldo Carvalho de Melo void evlist__set_cb(struct evlist *evlist, evsel__sb_cb_t cb, void *data); 13708c83997SArnaldo Carvalho de Melo int evlist__start_sb_thread(struct evlist *evlist, struct target *target); 13808c83997SArnaldo Carvalho de Melo void evlist__stop_sb_thread(struct evlist *evlist); 139657ee553SSong Liu 140378ef0f5SIan Rogers #ifdef HAVE_LIBTRACEEVENT 141e251abeeSArnaldo Carvalho de Melo int evlist__add_newtp(struct evlist *evlist, const char *sys, const char *name, void *handler); 142378ef0f5SIan Rogers #endif 14339876e7dSArnaldo Carvalho de Melo 144c0e53476SArnaldo Carvalho de Melo int __evlist__set_tracepoints_handlers(struct evlist *evlist, 145c0e53476SArnaldo Carvalho de Melo const struct evsel_str_handler *assocs, 146c0e53476SArnaldo Carvalho de Melo size_t nr_assocs); 147c0e53476SArnaldo Carvalho de Melo 148c0e53476SArnaldo Carvalho de Melo #define evlist__set_tracepoints_handlers(evlist, array) \ 149c0e53476SArnaldo Carvalho de Melo __evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array)) 150c0e53476SArnaldo Carvalho de Melo 15124bf91a7SArnaldo Carvalho de Melo int evlist__set_tp_filter(struct evlist *evlist, const char *filter); 15224bf91a7SArnaldo Carvalho de Melo int evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid); 15324bf91a7SArnaldo Carvalho de Melo int evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids); 154745cefc5SArnaldo Carvalho de Melo 15524bf91a7SArnaldo Carvalho de Melo int evlist__append_tp_filter(struct evlist *evlist, const char *filter); 15653c92f73SArnaldo Carvalho de Melo 15724bf91a7SArnaldo Carvalho de Melo int evlist__append_tp_filter_pid(struct evlist *evlist, pid_t pid); 15824bf91a7SArnaldo Carvalho de Melo int evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids); 1591827ab5bSArnaldo Carvalho de Melo 160b02736f7SArnaldo Carvalho de Melo struct evsel *evlist__find_tracepoint_by_id(struct evlist *evlist, int id); 161b02736f7SArnaldo Carvalho de Melo struct evsel *evlist__find_tracepoint_by_name(struct evlist *evlist, const char *name); 162a2f2804aSDavid Ahern 163f4009e7bSJiri Olsa int evlist__add_pollfd(struct evlist *evlist, int fd); 164f4009e7bSJiri Olsa int evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask); 1651ddec7f0SArnaldo Carvalho de Melo 166e16c2ce7SYang Jihong #ifdef HAVE_EVENTFD_SUPPORT 167e16c2ce7SYang Jihong int evlist__add_wakeup_eventfd(struct evlist *evlist, int fd); 168e16c2ce7SYang Jihong #endif 169e16c2ce7SYang Jihong 17080ab2987SJiri Olsa int evlist__poll(struct evlist *evlist, int timeout); 171f66a889dSArnaldo Carvalho de Melo 1723ccf8a7bSArnaldo Carvalho de Melo struct evsel *evlist__id2evsel(struct evlist *evlist, u64 id); 1733ccf8a7bSArnaldo Carvalho de Melo struct evsel *evlist__id2evsel_strict(struct evlist *evlist, u64 id); 17470db7533SArnaldo Carvalho de Melo 1753ccf8a7bSArnaldo Carvalho de Melo struct perf_sample_id *evlist__id2sid(struct evlist *evlist, u64 id); 176932a3594SJiri Olsa 177ade9d208SArnaldo Carvalho de Melo void evlist__toggle_bkw_mmap(struct evlist *evlist, enum bkw_mmap_state state); 17854cc54deSWang Nan 1799521b5f2SJiri Olsa void evlist__mmap_consume(struct evlist *evlist, int idx); 1808e50d384SZhouyi Zhou 181474ddc4cSJiri Olsa int evlist__open(struct evlist *evlist); 182750b4edeSJiri Olsa void evlist__close(struct evlist *evlist); 183727ab04eSArnaldo Carvalho de Melo 184e68ae9cfSArnaldo Carvalho de Melo struct callchain_param; 185e68ae9cfSArnaldo Carvalho de Melo 1860a7e7ec9SArnaldo Carvalho de Melo void evlist__set_id_pos(struct evlist *evlist); 18778e1bc25SArnaldo Carvalho de Melo void evlist__config(struct evlist *evlist, struct record_opts *opts, struct callchain_param *callchain); 188b4006796SArnaldo Carvalho de Melo int record_opts__config(struct record_opts *opts); 1890f82ebc4SArnaldo Carvalho de Melo 1907b392ef0SArnaldo Carvalho de Melo int evlist__prepare_workload(struct evlist *evlist, struct target *target, 19155e162eaSNamhyung Kim const char *argv[], bool pipe_output, 1927b392ef0SArnaldo Carvalho de Melo void (*exec_error)(int signo, siginfo_t *info, void *ucontext)); 1937b392ef0SArnaldo Carvalho de Melo int evlist__start_workload(struct evlist *evlist); 19435b9d88eSArnaldo Carvalho de Melo 195724ce97eSArnaldo Carvalho de Melo struct option; 196724ce97eSArnaldo Carvalho de Melo 19725f84702SArnaldo Carvalho de Melo int __evlist__parse_mmap_pages(unsigned int *mmap_pages, const char *str); 19825f84702SArnaldo Carvalho de Melo int evlist__parse_mmap_pages(const struct option *opt, const char *str, int unset); 199994a1f78SJiri Olsa 200f5e7150cSArnaldo Carvalho de Melo unsigned long perf_event_mlock_kb_in_pages(void); 201f5e7150cSArnaldo Carvalho de Melo 2029521b5f2SJiri Olsa int evlist__mmap_ex(struct evlist *evlist, unsigned int pages, 2037a276ff6SWang Nan unsigned int auxtrace_pages, 204470530bbSAlexey Budankov bool auxtrace_overwrite, int nr_cblocks, 20551255a8aSAlexey Budankov int affinity, int flush, int comp_level); 2069521b5f2SJiri Olsa int evlist__mmap(struct evlist *evlist, unsigned int pages); 207db6b7b13SJiri Olsa void evlist__munmap(struct evlist *evlist); 2087e2ed097SArnaldo Carvalho de Melo 2099521b5f2SJiri Olsa size_t evlist__mmap_size(unsigned long pages); 2100c582449SJiri Olsa 211e74676deSJiri Olsa void evlist__disable(struct evlist *evlist); 2121c87f165SJiri Olsa void evlist__enable(struct evlist *evlist); 213ade9d208SArnaldo Carvalho de Melo void evlist__toggle_enable(struct evlist *evlist); 2147cfcd1e0SJiri Olsa void evlist__disable_evsel(struct evlist *evlist, char *evsel_name); 2157cfcd1e0SJiri Olsa void evlist__enable_evsel(struct evlist *evlist, char *evsel_name); 216329725d5SAdrian Hunter void evlist__disable_non_dummy(struct evlist *evlist); 217329725d5SAdrian Hunter void evlist__enable_non_dummy(struct evlist *evlist); 2184152ab37SArnaldo Carvalho de Melo 219900c8eadSArnaldo Carvalho de Melo void evlist__set_selected(struct evlist *evlist, struct evsel *evsel); 22081cce8deSArnaldo Carvalho de Melo 2217748bb71SArnaldo Carvalho de Melo int evlist__create_maps(struct evlist *evlist, struct target *target); 22224bf91a7SArnaldo Carvalho de Melo int evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel); 223f8a95309SArnaldo Carvalho de Melo 224b3c2cc2bSArnaldo Carvalho de Melo u64 __evlist__combined_sample_type(struct evlist *evlist); 225b3c2cc2bSArnaldo Carvalho de Melo u64 evlist__combined_sample_type(struct evlist *evlist); 22692c7d7cdSArnaldo Carvalho de Melo u64 evlist__combined_branch_type(struct evlist *evlist); 2278cedf3a5SArnaldo Carvalho de Melo bool evlist__sample_id_all(struct evlist *evlist); 2281420ba2fSArnaldo Carvalho de Melo u16 evlist__id_hdr_size(struct evlist *evlist); 22974429964SFrederic Weisbecker 2302a6599cdSArnaldo Carvalho de Melo int evlist__parse_sample(struct evlist *evlist, union perf_event *event, struct perf_sample *sample); 2312a6599cdSArnaldo Carvalho de Melo int evlist__parse_sample_timestamp(struct evlist *evlist, union perf_event *event, u64 *timestamp); 23201468120SJiri Olsa 233b3c2cc2bSArnaldo Carvalho de Melo bool evlist__valid_sample_type(struct evlist *evlist); 2348cedf3a5SArnaldo Carvalho de Melo bool evlist__valid_sample_id_all(struct evlist *evlist); 23578e1bc25SArnaldo Carvalho de Melo bool evlist__valid_read_format(struct evlist *evlist); 2360529bc1fSJiri Olsa 237e414fd1aSArnaldo Carvalho de Melo void evlist__splice_list_tail(struct evlist *evlist, struct list_head *list); 2380c21f736SArnaldo Carvalho de Melo 239e414fd1aSArnaldo Carvalho de Melo static inline bool evlist__empty(struct evlist *evlist) 24064831a21SDavid Carrillo-Cisneros { 241ce9036a6SJiri Olsa return list_empty(&evlist->core.entries); 24264831a21SDavid Carrillo-Cisneros } 24364831a21SDavid Carrillo-Cisneros 244515dbe48SJiri Olsa static inline struct evsel *evlist__first(struct evlist *evlist) 2450c21f736SArnaldo Carvalho de Melo { 246515dbe48SJiri Olsa struct perf_evsel *evsel = perf_evlist__first(&evlist->core); 247515dbe48SJiri Olsa 248515dbe48SJiri Olsa return container_of(evsel, struct evsel, core); 2490c21f736SArnaldo Carvalho de Melo } 2500c21f736SArnaldo Carvalho de Melo 251515dbe48SJiri Olsa static inline struct evsel *evlist__last(struct evlist *evlist) 2520c21f736SArnaldo Carvalho de Melo { 253515dbe48SJiri Olsa struct perf_evsel *evsel = perf_evlist__last(&evlist->core); 254515dbe48SJiri Olsa 255515dbe48SJiri Olsa return container_of(evsel, struct evsel, core); 2560c21f736SArnaldo Carvalho de Melo } 25778f067b3SArnaldo Carvalho de Melo 2589d2dc632SIan Rogers static inline int evlist__nr_groups(struct evlist *evlist) 2599d2dc632SIan Rogers { 2609d2dc632SIan Rogers return perf_evlist__nr_groups(&evlist->core); 2619d2dc632SIan Rogers } 2629d2dc632SIan Rogers 263d1f249ecSArnaldo Carvalho de Melo int evlist__strerror_open(struct evlist *evlist, int err, char *buf, size_t size); 264d1f249ecSArnaldo Carvalho de Melo int evlist__strerror_mmap(struct evlist *evlist, int err, char *buf, size_t size); 2656ef068cbSArnaldo Carvalho de Melo 266900c8eadSArnaldo Carvalho de Melo bool evlist__can_select_event(struct evlist *evlist, const char *str); 267e414fd1aSArnaldo Carvalho de Melo void evlist__to_front(struct evlist *evlist, struct evsel *move_evsel); 268a025e4f0SAdrian Hunter 2690050f7aaSArnaldo Carvalho de Melo /** 270e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry - iterate thru all the evsels 2710050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 2720050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 2730050f7aaSArnaldo Carvalho de Melo */ 274e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry(list, evsel) \ 275b27c4eceSJiri Olsa list_for_each_entry(evsel, list, core.node) 2760050f7aaSArnaldo Carvalho de Melo 2770050f7aaSArnaldo Carvalho de Melo /** 278e5cadb93SArnaldo Carvalho de Melo * evlist__for_each_entry - iterate thru all the evsels 2790050f7aaSArnaldo Carvalho de Melo * @evlist: evlist instance to iterate 2800050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 2810050f7aaSArnaldo Carvalho de Melo */ 282e5cadb93SArnaldo Carvalho de Melo #define evlist__for_each_entry(evlist, evsel) \ 283ce9036a6SJiri Olsa __evlist__for_each_entry(&(evlist)->core.entries, evsel) 2840050f7aaSArnaldo Carvalho de Melo 2850050f7aaSArnaldo Carvalho de Melo /** 286e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry_continue - continue iteration thru all the evsels 2870050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 2880050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 2890050f7aaSArnaldo Carvalho de Melo */ 290e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry_continue(list, evsel) \ 291b27c4eceSJiri Olsa list_for_each_entry_continue(evsel, list, core.node) 2920050f7aaSArnaldo Carvalho de Melo 2930050f7aaSArnaldo Carvalho de Melo /** 294e5cadb93SArnaldo Carvalho de Melo * evlist__for_each_entry_continue - continue iteration thru all the evsels 2950050f7aaSArnaldo Carvalho de Melo * @evlist: evlist instance to iterate 2960050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 2970050f7aaSArnaldo Carvalho de Melo */ 298e5cadb93SArnaldo Carvalho de Melo #define evlist__for_each_entry_continue(evlist, evsel) \ 299ce9036a6SJiri Olsa __evlist__for_each_entry_continue(&(evlist)->core.entries, evsel) 3000050f7aaSArnaldo Carvalho de Melo 3010050f7aaSArnaldo Carvalho de Melo /** 30279e7ed56SRiccardo Mancini * __evlist__for_each_entry_from - continue iteration from @evsel (included) 30379e7ed56SRiccardo Mancini * @list: list_head instance to iterate 30479e7ed56SRiccardo Mancini * @evsel: struct evsel iterator 30579e7ed56SRiccardo Mancini */ 30679e7ed56SRiccardo Mancini #define __evlist__for_each_entry_from(list, evsel) \ 30779e7ed56SRiccardo Mancini list_for_each_entry_from(evsel, list, core.node) 30879e7ed56SRiccardo Mancini 30979e7ed56SRiccardo Mancini /** 31079e7ed56SRiccardo Mancini * evlist__for_each_entry_from - continue iteration from @evsel (included) 31179e7ed56SRiccardo Mancini * @evlist: evlist instance to iterate 31279e7ed56SRiccardo Mancini * @evsel: struct evsel iterator 31379e7ed56SRiccardo Mancini */ 31479e7ed56SRiccardo Mancini #define evlist__for_each_entry_from(evlist, evsel) \ 31579e7ed56SRiccardo Mancini __evlist__for_each_entry_from(&(evlist)->core.entries, evsel) 31679e7ed56SRiccardo Mancini 31779e7ed56SRiccardo Mancini /** 318e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order 3190050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 3200050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 3210050f7aaSArnaldo Carvalho de Melo */ 322e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry_reverse(list, evsel) \ 323b27c4eceSJiri Olsa list_for_each_entry_reverse(evsel, list, core.node) 3240050f7aaSArnaldo Carvalho de Melo 3250050f7aaSArnaldo Carvalho de Melo /** 326e5cadb93SArnaldo Carvalho de Melo * evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order 3270050f7aaSArnaldo Carvalho de Melo * @evlist: evlist instance to iterate 3280050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 3290050f7aaSArnaldo Carvalho de Melo */ 330e5cadb93SArnaldo Carvalho de Melo #define evlist__for_each_entry_reverse(evlist, evsel) \ 331ce9036a6SJiri Olsa __evlist__for_each_entry_reverse(&(evlist)->core.entries, evsel) 3320050f7aaSArnaldo Carvalho de Melo 3330050f7aaSArnaldo Carvalho de Melo /** 334e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry_safe - safely iterate thru all the evsels 3350050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 3360050f7aaSArnaldo Carvalho de Melo * @tmp: struct evsel temp iterator 3370050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 3380050f7aaSArnaldo Carvalho de Melo */ 339e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry_safe(list, tmp, evsel) \ 340b27c4eceSJiri Olsa list_for_each_entry_safe(evsel, tmp, list, core.node) 3410050f7aaSArnaldo Carvalho de Melo 3420050f7aaSArnaldo Carvalho de Melo /** 343e5cadb93SArnaldo Carvalho de Melo * evlist__for_each_entry_safe - safely iterate thru all the evsels 3440050f7aaSArnaldo Carvalho de Melo * @evlist: evlist instance to iterate 3450050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 3460050f7aaSArnaldo Carvalho de Melo * @tmp: struct evsel temp iterator 3470050f7aaSArnaldo Carvalho de Melo */ 348e5cadb93SArnaldo Carvalho de Melo #define evlist__for_each_entry_safe(evlist, tmp, evsel) \ 349ce9036a6SJiri Olsa __evlist__for_each_entry_safe(&(evlist)->core.entries, tmp, evsel) 350c09ec622SAdrian Hunter 351472832d2SIan Rogers /** Iterator state for evlist__for_each_cpu */ 352472832d2SIan Rogers struct evlist_cpu_iterator { 353472832d2SIan Rogers /** The list being iterated through. */ 354472832d2SIan Rogers struct evlist *container; 355472832d2SIan Rogers /** The current evsel of the iterator. */ 356472832d2SIan Rogers struct evsel *evsel; 357472832d2SIan Rogers /** The CPU map index corresponding to the evsel->core.cpus for the current CPU. */ 358472832d2SIan Rogers int cpu_map_idx; 359472832d2SIan Rogers /** 360472832d2SIan Rogers * The CPU map index corresponding to evlist->core.all_cpus for the 361472832d2SIan Rogers * current CPU. Distinct from cpu_map_idx as the evsel's cpu map may 362472832d2SIan Rogers * contain fewer entries. 363472832d2SIan Rogers */ 364472832d2SIan Rogers int evlist_cpu_map_idx; 365472832d2SIan Rogers /** The number of CPU map entries in evlist->core.all_cpus. */ 366472832d2SIan Rogers int evlist_cpu_map_nr; 367472832d2SIan Rogers /** The current CPU of the iterator. */ 3686d18804bSIan Rogers struct perf_cpu cpu; 369472832d2SIan Rogers /** If present, used to set the affinity when switching between CPUs. */ 370472832d2SIan Rogers struct affinity *affinity; 371472832d2SIan Rogers }; 372472832d2SIan Rogers 373472832d2SIan Rogers /** 374472832d2SIan Rogers * evlist__for_each_cpu - without affinity, iterate over the evlist. With 375472832d2SIan Rogers * affinity, iterate over all CPUs and then the evlist 376472832d2SIan Rogers * for each evsel on that CPU. When switching between 377472832d2SIan Rogers * CPUs the affinity is set to the CPU to avoid IPIs 378472832d2SIan Rogers * during syscalls. 379472832d2SIan Rogers * @evlist_cpu_itr: the iterator instance. 380472832d2SIan Rogers * @evlist: evlist instance to iterate. 381472832d2SIan Rogers * @affinity: NULL or used to set the affinity to the current CPU. 382472832d2SIan Rogers */ 383472832d2SIan Rogers #define evlist__for_each_cpu(evlist_cpu_itr, evlist, affinity) \ 384472832d2SIan Rogers for ((evlist_cpu_itr) = evlist__cpu_begin(evlist, affinity); \ 385472832d2SIan Rogers !evlist_cpu_iterator__end(&evlist_cpu_itr); \ 386472832d2SIan Rogers evlist_cpu_iterator__next(&evlist_cpu_itr)) 387472832d2SIan Rogers 388472832d2SIan Rogers /** Returns an iterator set to the first CPU/evsel of evlist. */ 389472832d2SIan Rogers struct evlist_cpu_iterator evlist__cpu_begin(struct evlist *evlist, struct affinity *affinity); 390472832d2SIan Rogers /** Move to next element in iterator, updating CPU, evsel and the affinity. */ 391472832d2SIan Rogers void evlist_cpu_iterator__next(struct evlist_cpu_iterator *evlist_cpu_itr); 392472832d2SIan Rogers /** Returns true when iterator is at the end of the CPUs and evlist. */ 393472832d2SIan Rogers bool evlist_cpu_iterator__end(const struct evlist_cpu_iterator *evlist_cpu_itr); 394a8cbe40fSAndi Kleen 395e80db255SArnaldo Carvalho de Melo struct evsel *evlist__get_tracking_event(struct evlist *evlist); 396e80db255SArnaldo Carvalho de Melo void evlist__set_tracking_event(struct evlist *evlist, struct evsel *tracking_evsel); 39745cf6c33SJiri Olsa 398b02736f7SArnaldo Carvalho de Melo struct evsel *evlist__find_evsel_by_str(struct evlist *evlist, const char *str); 3997cb5c5acSJiri Olsa 4003ccf8a7bSArnaldo Carvalho de Melo struct evsel *evlist__event2evsel(struct evlist *evlist, union perf_event *event); 40107d6f446SArnaldo Carvalho de Melo 40278e1bc25SArnaldo Carvalho de Melo bool evlist__exclude_kernel(struct evlist *evlist); 403e2bdbe80SJin Yao 40464b4778bSArnaldo Carvalho de Melo void evlist__force_leader(struct evlist *evlist); 405e2bdbe80SJin Yao 40664b4778bSArnaldo Carvalho de Melo struct evsel *evlist__reset_weak_group(struct evlist *evlist, struct evsel *evsel, bool close); 40764b4778bSArnaldo Carvalho de Melo 408ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_ENABLE_TAG "enable" 409ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_DISABLE_TAG "disable" 410ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_ACK_TAG "ack\n" 411d20aff15SAdrian Hunter #define EVLIST_CTL_CMD_SNAPSHOT_TAG "snapshot" 412142544a9SJiri Olsa #define EVLIST_CTL_CMD_EVLIST_TAG "evlist" 413f186cd61SJiri Olsa #define EVLIST_CTL_CMD_STOP_TAG "stop" 41447fddcb4SJiri Olsa #define EVLIST_CTL_CMD_PING_TAG "ping" 415ec886bf5SAlexey Budankov 416ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_MAX_LEN 64 417ec886bf5SAlexey Budankov 418ec886bf5SAlexey Budankov enum evlist_ctl_cmd { 419ec886bf5SAlexey Budankov EVLIST_CTL_CMD_UNSUPPORTED = 0, 420ec886bf5SAlexey Budankov EVLIST_CTL_CMD_ENABLE, 421ec886bf5SAlexey Budankov EVLIST_CTL_CMD_DISABLE, 422d20aff15SAdrian Hunter EVLIST_CTL_CMD_ACK, 423d20aff15SAdrian Hunter EVLIST_CTL_CMD_SNAPSHOT, 424142544a9SJiri Olsa EVLIST_CTL_CMD_EVLIST, 425f186cd61SJiri Olsa EVLIST_CTL_CMD_STOP, 42647fddcb4SJiri Olsa EVLIST_CTL_CMD_PING, 427ec886bf5SAlexey Budankov }; 428ec886bf5SAlexey Budankov 429a8fcbd26SAdrian Hunter int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *ctl_fd_close); 430ee7fe31eSAdrian Hunter void evlist__close_control(int ctl_fd, int ctl_fd_ack, bool *ctl_fd_close); 431ec886bf5SAlexey Budankov int evlist__initialize_ctlfd(struct evlist *evlist, int ctl_fd, int ctl_fd_ack); 432ec886bf5SAlexey Budankov int evlist__finalize_ctlfd(struct evlist *evlist); 433ec886bf5SAlexey Budankov bool evlist__ctlfd_initialized(struct evlist *evlist); 434ec886bf5SAlexey Budankov int evlist__ctlfd_process(struct evlist *evlist, enum evlist_ctl_cmd *cmd); 435d20aff15SAdrian Hunter int evlist__ctlfd_ack(struct evlist *evlist); 436ec886bf5SAlexey Budankov 4372162b9c6SAlexey Budankov #define EVLIST_ENABLED_MSG "Events enabled\n" 4382162b9c6SAlexey Budankov #define EVLIST_DISABLED_MSG "Events disabled\n" 4392162b9c6SAlexey Budankov 4406657a099SAdrian Hunter int evlist__parse_event_enable_time(struct evlist *evlist, struct record_opts *opts, 4416657a099SAdrian Hunter const char *str, int unset); 4426657a099SAdrian Hunter int event_enable_timer__start(struct event_enable_timer *eet); 4436657a099SAdrian Hunter void event_enable_timer__exit(struct event_enable_timer **ep); 4446657a099SAdrian Hunter int event_enable_timer__process(struct event_enable_timer *eet); 4456657a099SAdrian Hunter 446b214ba8cSNamhyung Kim struct evsel *evlist__find_evsel(struct evlist *evlist, int idx); 4479865ea8aSArnaldo Carvalho de Melo 4489865ea8aSArnaldo Carvalho de Melo int evlist__scnprintf_evsels(struct evlist *evlist, size_t size, char *bf); 449d5a8bd0fSJin Yao void evlist__check_mem_load_aux(struct evlist *evlist); 450*5ac72634SIan Rogers void evlist__warn_user_requested_cpus(struct evlist *evlist, const char *cpu_list); 451*5ac72634SIan Rogers 452361c99a6SArnaldo Carvalho de Melo #endif /* __PERF_EVLIST_H */ 453