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> 1247729258SArnaldo Carvalho de Melo #include "events_stats.h" 130c21f736SArnaldo Carvalho de Melo #include "evsel.h" 14e0fcfb08SArnaldo Carvalho de Melo #include <pthread.h> 159607ad3aSArnaldo Carvalho de Melo #include <signal.h> 1635b9d88eSArnaldo Carvalho de Melo #include <unistd.h> 17361c99a6SArnaldo Carvalho de Melo 185c581041SArnaldo Carvalho de Melo struct pollfd; 19f8a95309SArnaldo Carvalho de Melo struct thread_map; 20f854839bSJiri Olsa struct perf_cpu_map; 21b4006796SArnaldo Carvalho de Melo struct record_opts; 225c581041SArnaldo Carvalho de Melo 23e0fcfb08SArnaldo Carvalho de Melo /* 24e0fcfb08SArnaldo Carvalho de Melo * State machine of bkw_mmap_state: 25e0fcfb08SArnaldo Carvalho de Melo * 26e0fcfb08SArnaldo Carvalho de Melo * .________________(forbid)_____________. 27e0fcfb08SArnaldo Carvalho de Melo * | V 28e0fcfb08SArnaldo Carvalho de Melo * NOTREADY --(0)--> RUNNING --(1)--> DATA_PENDING --(2)--> EMPTY 29e0fcfb08SArnaldo Carvalho de Melo * ^ ^ | ^ | 30e0fcfb08SArnaldo Carvalho de Melo * | |__(forbid)____/ |___(forbid)___/| 31e0fcfb08SArnaldo Carvalho de Melo * | | 32e0fcfb08SArnaldo Carvalho de Melo * \_________________(3)_______________/ 33e0fcfb08SArnaldo Carvalho de Melo * 34e0fcfb08SArnaldo Carvalho de Melo * NOTREADY : Backward ring buffers are not ready 35e0fcfb08SArnaldo Carvalho de Melo * RUNNING : Backward ring buffers are recording 36e0fcfb08SArnaldo Carvalho de Melo * DATA_PENDING : We are required to collect data from backward ring buffers 37e0fcfb08SArnaldo Carvalho de Melo * EMPTY : We have collected data from backward ring buffers. 38e0fcfb08SArnaldo Carvalho de Melo * 39e0fcfb08SArnaldo Carvalho de Melo * (0): Setup backward ring buffer 40e0fcfb08SArnaldo Carvalho de Melo * (1): Pause ring buffers for reading 41e0fcfb08SArnaldo Carvalho de Melo * (2): Read from ring buffers 42e0fcfb08SArnaldo Carvalho de Melo * (3): Resume ring buffers for recording 43e0fcfb08SArnaldo Carvalho de Melo */ 44e0fcfb08SArnaldo Carvalho de Melo enum bkw_mmap_state { 45e0fcfb08SArnaldo Carvalho de Melo BKW_MMAP_NOTREADY, 46e0fcfb08SArnaldo Carvalho de Melo BKW_MMAP_RUNNING, 47e0fcfb08SArnaldo Carvalho de Melo BKW_MMAP_DATA_PENDING, 48e0fcfb08SArnaldo Carvalho de Melo BKW_MMAP_EMPTY, 49e0fcfb08SArnaldo Carvalho de Melo }; 50e0fcfb08SArnaldo Carvalho de Melo 51*6657a099SAdrian Hunter struct event_enable_timer; 52*6657a099SAdrian Hunter 5363503dbaSJiri Olsa struct evlist { 54ce9036a6SJiri Olsa struct perf_evlist core; 552b56bcfbSArnaldo Carvalho de Melo bool enabled; 5675562573SAdrian Hunter int id_pos; 5775562573SAdrian Hunter int is_pos; 5875562573SAdrian Hunter u64 combined_sample_type; 5954cc54deSWang Nan enum bkw_mmap_state bkw_mmap_state; 6035b9d88eSArnaldo Carvalho de Melo struct { 6135b9d88eSArnaldo Carvalho de Melo int cork_fd; 6235b9d88eSArnaldo Carvalho de Melo pid_t pid; 6335b9d88eSArnaldo Carvalho de Melo } workload; 64a5830532SJiri Olsa struct mmap *mmap; 65a5830532SJiri Olsa struct mmap *overwrite_mmap; 6632dcd021SJiri Olsa struct evsel *selected; 6775be989aSArnaldo Carvalho de Melo struct events_stats stats; 682c07144dSKan Liang struct perf_env *env; 69e69dc842SJin Yao const char *hybrid_pmu_name; 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; 84*6657a099SAdrian 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 12294dbfd67SIan Rogers struct evsel *arch_evlist__leader(struct list_head *list); 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 } 1305bae0250SArnaldo Carvalho de Melo 13108c83997SArnaldo Carvalho de Melo int evlist__add_sb_event(struct evlist *evlist, struct perf_event_attr *attr, 13208c83997SArnaldo Carvalho de Melo evsel__sb_cb_t cb, void *data); 13365ddce3fSArnaldo Carvalho de Melo void evlist__set_cb(struct evlist *evlist, evsel__sb_cb_t cb, void *data); 13408c83997SArnaldo Carvalho de Melo int evlist__start_sb_thread(struct evlist *evlist, struct target *target); 13508c83997SArnaldo Carvalho de Melo void evlist__stop_sb_thread(struct evlist *evlist); 136657ee553SSong Liu 137e251abeeSArnaldo Carvalho de Melo int evlist__add_newtp(struct evlist *evlist, const char *sys, const char *name, void *handler); 13839876e7dSArnaldo Carvalho de Melo 139c0e53476SArnaldo Carvalho de Melo int __evlist__set_tracepoints_handlers(struct evlist *evlist, 140c0e53476SArnaldo Carvalho de Melo const struct evsel_str_handler *assocs, 141c0e53476SArnaldo Carvalho de Melo size_t nr_assocs); 142c0e53476SArnaldo Carvalho de Melo 143c0e53476SArnaldo Carvalho de Melo #define evlist__set_tracepoints_handlers(evlist, array) \ 144c0e53476SArnaldo Carvalho de Melo __evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array)) 145c0e53476SArnaldo Carvalho de Melo 14624bf91a7SArnaldo Carvalho de Melo int evlist__set_tp_filter(struct evlist *evlist, const char *filter); 14724bf91a7SArnaldo Carvalho de Melo int evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid); 14824bf91a7SArnaldo Carvalho de Melo int evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids); 149745cefc5SArnaldo Carvalho de Melo 15024bf91a7SArnaldo Carvalho de Melo int evlist__append_tp_filter(struct evlist *evlist, const char *filter); 15153c92f73SArnaldo Carvalho de Melo 15224bf91a7SArnaldo Carvalho de Melo int evlist__append_tp_filter_pid(struct evlist *evlist, pid_t pid); 15324bf91a7SArnaldo Carvalho de Melo int evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids); 1541827ab5bSArnaldo Carvalho de Melo 155b02736f7SArnaldo Carvalho de Melo struct evsel *evlist__find_tracepoint_by_id(struct evlist *evlist, int id); 156b02736f7SArnaldo Carvalho de Melo struct evsel *evlist__find_tracepoint_by_name(struct evlist *evlist, const char *name); 157a2f2804aSDavid Ahern 158f4009e7bSJiri Olsa int evlist__add_pollfd(struct evlist *evlist, int fd); 159f4009e7bSJiri Olsa int evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask); 1601ddec7f0SArnaldo Carvalho de Melo 161e16c2ce7SYang Jihong #ifdef HAVE_EVENTFD_SUPPORT 162e16c2ce7SYang Jihong int evlist__add_wakeup_eventfd(struct evlist *evlist, int fd); 163e16c2ce7SYang Jihong #endif 164e16c2ce7SYang Jihong 16580ab2987SJiri Olsa int evlist__poll(struct evlist *evlist, int timeout); 166f66a889dSArnaldo Carvalho de Melo 1673ccf8a7bSArnaldo Carvalho de Melo struct evsel *evlist__id2evsel(struct evlist *evlist, u64 id); 1683ccf8a7bSArnaldo Carvalho de Melo struct evsel *evlist__id2evsel_strict(struct evlist *evlist, u64 id); 16970db7533SArnaldo Carvalho de Melo 1703ccf8a7bSArnaldo Carvalho de Melo struct perf_sample_id *evlist__id2sid(struct evlist *evlist, u64 id); 171932a3594SJiri Olsa 172ade9d208SArnaldo Carvalho de Melo void evlist__toggle_bkw_mmap(struct evlist *evlist, enum bkw_mmap_state state); 17354cc54deSWang Nan 1749521b5f2SJiri Olsa void evlist__mmap_consume(struct evlist *evlist, int idx); 1758e50d384SZhouyi Zhou 176474ddc4cSJiri Olsa int evlist__open(struct evlist *evlist); 177750b4edeSJiri Olsa void evlist__close(struct evlist *evlist); 178727ab04eSArnaldo Carvalho de Melo 179e68ae9cfSArnaldo Carvalho de Melo struct callchain_param; 180e68ae9cfSArnaldo Carvalho de Melo 1810a7e7ec9SArnaldo Carvalho de Melo void evlist__set_id_pos(struct evlist *evlist); 18278e1bc25SArnaldo Carvalho de Melo void evlist__config(struct evlist *evlist, struct record_opts *opts, struct callchain_param *callchain); 183b4006796SArnaldo Carvalho de Melo int record_opts__config(struct record_opts *opts); 1840f82ebc4SArnaldo Carvalho de Melo 1857b392ef0SArnaldo Carvalho de Melo int evlist__prepare_workload(struct evlist *evlist, struct target *target, 18655e162eaSNamhyung Kim const char *argv[], bool pipe_output, 1877b392ef0SArnaldo Carvalho de Melo void (*exec_error)(int signo, siginfo_t *info, void *ucontext)); 1887b392ef0SArnaldo Carvalho de Melo int evlist__start_workload(struct evlist *evlist); 18935b9d88eSArnaldo Carvalho de Melo 190724ce97eSArnaldo Carvalho de Melo struct option; 191724ce97eSArnaldo Carvalho de Melo 19225f84702SArnaldo Carvalho de Melo int __evlist__parse_mmap_pages(unsigned int *mmap_pages, const char *str); 19325f84702SArnaldo Carvalho de Melo int evlist__parse_mmap_pages(const struct option *opt, const char *str, int unset); 194994a1f78SJiri Olsa 195f5e7150cSArnaldo Carvalho de Melo unsigned long perf_event_mlock_kb_in_pages(void); 196f5e7150cSArnaldo Carvalho de Melo 1979521b5f2SJiri Olsa int evlist__mmap_ex(struct evlist *evlist, unsigned int pages, 1987a276ff6SWang Nan unsigned int auxtrace_pages, 199470530bbSAlexey Budankov bool auxtrace_overwrite, int nr_cblocks, 20051255a8aSAlexey Budankov int affinity, int flush, int comp_level); 2019521b5f2SJiri Olsa int evlist__mmap(struct evlist *evlist, unsigned int pages); 202db6b7b13SJiri Olsa void evlist__munmap(struct evlist *evlist); 2037e2ed097SArnaldo Carvalho de Melo 2049521b5f2SJiri Olsa size_t evlist__mmap_size(unsigned long pages); 2050c582449SJiri Olsa 206e74676deSJiri Olsa void evlist__disable(struct evlist *evlist); 2071c87f165SJiri Olsa void evlist__enable(struct evlist *evlist); 208ade9d208SArnaldo Carvalho de Melo void evlist__toggle_enable(struct evlist *evlist); 2097cfcd1e0SJiri Olsa void evlist__disable_evsel(struct evlist *evlist, char *evsel_name); 2107cfcd1e0SJiri Olsa void evlist__enable_evsel(struct evlist *evlist, char *evsel_name); 211329725d5SAdrian Hunter void evlist__disable_non_dummy(struct evlist *evlist); 212329725d5SAdrian Hunter void evlist__enable_non_dummy(struct evlist *evlist); 2134152ab37SArnaldo Carvalho de Melo 214900c8eadSArnaldo Carvalho de Melo void evlist__set_selected(struct evlist *evlist, struct evsel *evsel); 21581cce8deSArnaldo Carvalho de Melo 2167748bb71SArnaldo Carvalho de Melo int evlist__create_maps(struct evlist *evlist, struct target *target); 21724bf91a7SArnaldo Carvalho de Melo int evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel); 218f8a95309SArnaldo Carvalho de Melo 219a622eafaSArnaldo Carvalho de Melo void evlist__set_leader(struct evlist *evlist); 22063dab225SArnaldo Carvalho de Melo 221b3c2cc2bSArnaldo Carvalho de Melo u64 __evlist__combined_sample_type(struct evlist *evlist); 222b3c2cc2bSArnaldo Carvalho de Melo u64 evlist__combined_sample_type(struct evlist *evlist); 22392c7d7cdSArnaldo Carvalho de Melo u64 evlist__combined_branch_type(struct evlist *evlist); 2248cedf3a5SArnaldo Carvalho de Melo bool evlist__sample_id_all(struct evlist *evlist); 2251420ba2fSArnaldo Carvalho de Melo u16 evlist__id_hdr_size(struct evlist *evlist); 22674429964SFrederic Weisbecker 2272a6599cdSArnaldo Carvalho de Melo int evlist__parse_sample(struct evlist *evlist, union perf_event *event, struct perf_sample *sample); 2282a6599cdSArnaldo Carvalho de Melo int evlist__parse_sample_timestamp(struct evlist *evlist, union perf_event *event, u64 *timestamp); 22901468120SJiri Olsa 230b3c2cc2bSArnaldo Carvalho de Melo bool evlist__valid_sample_type(struct evlist *evlist); 2318cedf3a5SArnaldo Carvalho de Melo bool evlist__valid_sample_id_all(struct evlist *evlist); 23278e1bc25SArnaldo Carvalho de Melo bool evlist__valid_read_format(struct evlist *evlist); 2330529bc1fSJiri Olsa 234e414fd1aSArnaldo Carvalho de Melo void evlist__splice_list_tail(struct evlist *evlist, struct list_head *list); 2350c21f736SArnaldo Carvalho de Melo 236e414fd1aSArnaldo Carvalho de Melo static inline bool evlist__empty(struct evlist *evlist) 23764831a21SDavid Carrillo-Cisneros { 238ce9036a6SJiri Olsa return list_empty(&evlist->core.entries); 23964831a21SDavid Carrillo-Cisneros } 24064831a21SDavid Carrillo-Cisneros 241515dbe48SJiri Olsa static inline struct evsel *evlist__first(struct evlist *evlist) 2420c21f736SArnaldo Carvalho de Melo { 243515dbe48SJiri Olsa struct perf_evsel *evsel = perf_evlist__first(&evlist->core); 244515dbe48SJiri Olsa 245515dbe48SJiri Olsa return container_of(evsel, struct evsel, core); 2460c21f736SArnaldo Carvalho de Melo } 2470c21f736SArnaldo Carvalho de Melo 248515dbe48SJiri Olsa static inline struct evsel *evlist__last(struct evlist *evlist) 2490c21f736SArnaldo Carvalho de Melo { 250515dbe48SJiri Olsa struct perf_evsel *evsel = perf_evlist__last(&evlist->core); 251515dbe48SJiri Olsa 252515dbe48SJiri Olsa return container_of(evsel, struct evsel, core); 2530c21f736SArnaldo Carvalho de Melo } 25478f067b3SArnaldo Carvalho de Melo 255d1f249ecSArnaldo Carvalho de Melo int evlist__strerror_open(struct evlist *evlist, int err, char *buf, size_t size); 256d1f249ecSArnaldo Carvalho de Melo int evlist__strerror_mmap(struct evlist *evlist, int err, char *buf, size_t size); 2576ef068cbSArnaldo Carvalho de Melo 258900c8eadSArnaldo Carvalho de Melo bool evlist__can_select_event(struct evlist *evlist, const char *str); 259e414fd1aSArnaldo Carvalho de Melo void evlist__to_front(struct evlist *evlist, struct evsel *move_evsel); 260a025e4f0SAdrian Hunter 2610050f7aaSArnaldo Carvalho de Melo /** 262e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry - iterate thru all the evsels 2630050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 2640050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 2650050f7aaSArnaldo Carvalho de Melo */ 266e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry(list, evsel) \ 267b27c4eceSJiri Olsa list_for_each_entry(evsel, list, core.node) 2680050f7aaSArnaldo Carvalho de Melo 2690050f7aaSArnaldo Carvalho de Melo /** 270e5cadb93SArnaldo Carvalho de Melo * evlist__for_each_entry - iterate thru all the evsels 2710050f7aaSArnaldo Carvalho de Melo * @evlist: evlist instance to iterate 2720050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 2730050f7aaSArnaldo Carvalho de Melo */ 274e5cadb93SArnaldo Carvalho de Melo #define evlist__for_each_entry(evlist, evsel) \ 275ce9036a6SJiri Olsa __evlist__for_each_entry(&(evlist)->core.entries, evsel) 2760050f7aaSArnaldo Carvalho de Melo 2770050f7aaSArnaldo Carvalho de Melo /** 278e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry_continue - continue iteration thru all the evsels 2790050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 2800050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 2810050f7aaSArnaldo Carvalho de Melo */ 282e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry_continue(list, evsel) \ 283b27c4eceSJiri Olsa list_for_each_entry_continue(evsel, list, core.node) 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 * @evlist: evlist 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(evlist, evsel) \ 291ce9036a6SJiri Olsa __evlist__for_each_entry_continue(&(evlist)->core.entries, evsel) 2920050f7aaSArnaldo Carvalho de Melo 2930050f7aaSArnaldo Carvalho de Melo /** 29479e7ed56SRiccardo Mancini * __evlist__for_each_entry_from - continue iteration from @evsel (included) 29579e7ed56SRiccardo Mancini * @list: list_head instance to iterate 29679e7ed56SRiccardo Mancini * @evsel: struct evsel iterator 29779e7ed56SRiccardo Mancini */ 29879e7ed56SRiccardo Mancini #define __evlist__for_each_entry_from(list, evsel) \ 29979e7ed56SRiccardo Mancini list_for_each_entry_from(evsel, list, core.node) 30079e7ed56SRiccardo Mancini 30179e7ed56SRiccardo Mancini /** 30279e7ed56SRiccardo Mancini * evlist__for_each_entry_from - continue iteration from @evsel (included) 30379e7ed56SRiccardo Mancini * @evlist: evlist instance to iterate 30479e7ed56SRiccardo Mancini * @evsel: struct evsel iterator 30579e7ed56SRiccardo Mancini */ 30679e7ed56SRiccardo Mancini #define evlist__for_each_entry_from(evlist, evsel) \ 30779e7ed56SRiccardo Mancini __evlist__for_each_entry_from(&(evlist)->core.entries, evsel) 30879e7ed56SRiccardo Mancini 30979e7ed56SRiccardo Mancini /** 310e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order 3110050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 3120050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 3130050f7aaSArnaldo Carvalho de Melo */ 314e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry_reverse(list, evsel) \ 315b27c4eceSJiri Olsa list_for_each_entry_reverse(evsel, list, core.node) 3160050f7aaSArnaldo Carvalho de Melo 3170050f7aaSArnaldo Carvalho de Melo /** 318e5cadb93SArnaldo Carvalho de Melo * evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order 3190050f7aaSArnaldo Carvalho de Melo * @evlist: evlist 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(evlist, evsel) \ 323ce9036a6SJiri Olsa __evlist__for_each_entry_reverse(&(evlist)->core.entries, evsel) 3240050f7aaSArnaldo Carvalho de Melo 3250050f7aaSArnaldo Carvalho de Melo /** 326e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry_safe - safely iterate thru all the evsels 3270050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 3280050f7aaSArnaldo Carvalho de Melo * @tmp: struct evsel temp iterator 3290050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 3300050f7aaSArnaldo Carvalho de Melo */ 331e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry_safe(list, tmp, evsel) \ 332b27c4eceSJiri Olsa list_for_each_entry_safe(evsel, tmp, list, core.node) 3330050f7aaSArnaldo Carvalho de Melo 3340050f7aaSArnaldo Carvalho de Melo /** 335e5cadb93SArnaldo Carvalho de Melo * evlist__for_each_entry_safe - safely iterate thru all the evsels 3360050f7aaSArnaldo Carvalho de Melo * @evlist: evlist instance to iterate 3370050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 3380050f7aaSArnaldo Carvalho de Melo * @tmp: struct evsel temp iterator 3390050f7aaSArnaldo Carvalho de Melo */ 340e5cadb93SArnaldo Carvalho de Melo #define evlist__for_each_entry_safe(evlist, tmp, evsel) \ 341ce9036a6SJiri Olsa __evlist__for_each_entry_safe(&(evlist)->core.entries, tmp, evsel) 342c09ec622SAdrian Hunter 343472832d2SIan Rogers /** Iterator state for evlist__for_each_cpu */ 344472832d2SIan Rogers struct evlist_cpu_iterator { 345472832d2SIan Rogers /** The list being iterated through. */ 346472832d2SIan Rogers struct evlist *container; 347472832d2SIan Rogers /** The current evsel of the iterator. */ 348472832d2SIan Rogers struct evsel *evsel; 349472832d2SIan Rogers /** The CPU map index corresponding to the evsel->core.cpus for the current CPU. */ 350472832d2SIan Rogers int cpu_map_idx; 351472832d2SIan Rogers /** 352472832d2SIan Rogers * The CPU map index corresponding to evlist->core.all_cpus for the 353472832d2SIan Rogers * current CPU. Distinct from cpu_map_idx as the evsel's cpu map may 354472832d2SIan Rogers * contain fewer entries. 355472832d2SIan Rogers */ 356472832d2SIan Rogers int evlist_cpu_map_idx; 357472832d2SIan Rogers /** The number of CPU map entries in evlist->core.all_cpus. */ 358472832d2SIan Rogers int evlist_cpu_map_nr; 359472832d2SIan Rogers /** The current CPU of the iterator. */ 3606d18804bSIan Rogers struct perf_cpu cpu; 361472832d2SIan Rogers /** If present, used to set the affinity when switching between CPUs. */ 362472832d2SIan Rogers struct affinity *affinity; 363472832d2SIan Rogers }; 364472832d2SIan Rogers 365472832d2SIan Rogers /** 366472832d2SIan Rogers * evlist__for_each_cpu - without affinity, iterate over the evlist. With 367472832d2SIan Rogers * affinity, iterate over all CPUs and then the evlist 368472832d2SIan Rogers * for each evsel on that CPU. When switching between 369472832d2SIan Rogers * CPUs the affinity is set to the CPU to avoid IPIs 370472832d2SIan Rogers * during syscalls. 371472832d2SIan Rogers * @evlist_cpu_itr: the iterator instance. 372472832d2SIan Rogers * @evlist: evlist instance to iterate. 373472832d2SIan Rogers * @affinity: NULL or used to set the affinity to the current CPU. 374472832d2SIan Rogers */ 375472832d2SIan Rogers #define evlist__for_each_cpu(evlist_cpu_itr, evlist, affinity) \ 376472832d2SIan Rogers for ((evlist_cpu_itr) = evlist__cpu_begin(evlist, affinity); \ 377472832d2SIan Rogers !evlist_cpu_iterator__end(&evlist_cpu_itr); \ 378472832d2SIan Rogers evlist_cpu_iterator__next(&evlist_cpu_itr)) 379472832d2SIan Rogers 380472832d2SIan Rogers /** Returns an iterator set to the first CPU/evsel of evlist. */ 381472832d2SIan Rogers struct evlist_cpu_iterator evlist__cpu_begin(struct evlist *evlist, struct affinity *affinity); 382472832d2SIan Rogers /** Move to next element in iterator, updating CPU, evsel and the affinity. */ 383472832d2SIan Rogers void evlist_cpu_iterator__next(struct evlist_cpu_iterator *evlist_cpu_itr); 384472832d2SIan Rogers /** Returns true when iterator is at the end of the CPUs and evlist. */ 385472832d2SIan Rogers bool evlist_cpu_iterator__end(const struct evlist_cpu_iterator *evlist_cpu_itr); 386a8cbe40fSAndi Kleen 387e80db255SArnaldo Carvalho de Melo struct evsel *evlist__get_tracking_event(struct evlist *evlist); 388e80db255SArnaldo Carvalho de Melo void evlist__set_tracking_event(struct evlist *evlist, struct evsel *tracking_evsel); 38945cf6c33SJiri Olsa 390b02736f7SArnaldo Carvalho de Melo struct evsel *evlist__find_evsel_by_str(struct evlist *evlist, const char *str); 3917cb5c5acSJiri Olsa 3923ccf8a7bSArnaldo Carvalho de Melo struct evsel *evlist__event2evsel(struct evlist *evlist, union perf_event *event); 39307d6f446SArnaldo Carvalho de Melo 39478e1bc25SArnaldo Carvalho de Melo bool evlist__exclude_kernel(struct evlist *evlist); 395e2bdbe80SJin Yao 39664b4778bSArnaldo Carvalho de Melo void evlist__force_leader(struct evlist *evlist); 397e2bdbe80SJin Yao 39864b4778bSArnaldo Carvalho de Melo struct evsel *evlist__reset_weak_group(struct evlist *evlist, struct evsel *evsel, bool close); 39964b4778bSArnaldo Carvalho de Melo 400ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_ENABLE_TAG "enable" 401ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_DISABLE_TAG "disable" 402ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_ACK_TAG "ack\n" 403d20aff15SAdrian Hunter #define EVLIST_CTL_CMD_SNAPSHOT_TAG "snapshot" 404142544a9SJiri Olsa #define EVLIST_CTL_CMD_EVLIST_TAG "evlist" 405f186cd61SJiri Olsa #define EVLIST_CTL_CMD_STOP_TAG "stop" 40647fddcb4SJiri Olsa #define EVLIST_CTL_CMD_PING_TAG "ping" 407ec886bf5SAlexey Budankov 408ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_MAX_LEN 64 409ec886bf5SAlexey Budankov 410ec886bf5SAlexey Budankov enum evlist_ctl_cmd { 411ec886bf5SAlexey Budankov EVLIST_CTL_CMD_UNSUPPORTED = 0, 412ec886bf5SAlexey Budankov EVLIST_CTL_CMD_ENABLE, 413ec886bf5SAlexey Budankov EVLIST_CTL_CMD_DISABLE, 414d20aff15SAdrian Hunter EVLIST_CTL_CMD_ACK, 415d20aff15SAdrian Hunter EVLIST_CTL_CMD_SNAPSHOT, 416142544a9SJiri Olsa EVLIST_CTL_CMD_EVLIST, 417f186cd61SJiri Olsa EVLIST_CTL_CMD_STOP, 41847fddcb4SJiri Olsa EVLIST_CTL_CMD_PING, 419ec886bf5SAlexey Budankov }; 420ec886bf5SAlexey Budankov 421a8fcbd26SAdrian Hunter int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *ctl_fd_close); 422ee7fe31eSAdrian Hunter void evlist__close_control(int ctl_fd, int ctl_fd_ack, bool *ctl_fd_close); 423ec886bf5SAlexey Budankov int evlist__initialize_ctlfd(struct evlist *evlist, int ctl_fd, int ctl_fd_ack); 424ec886bf5SAlexey Budankov int evlist__finalize_ctlfd(struct evlist *evlist); 425ec886bf5SAlexey Budankov bool evlist__ctlfd_initialized(struct evlist *evlist); 426ec886bf5SAlexey Budankov int evlist__ctlfd_process(struct evlist *evlist, enum evlist_ctl_cmd *cmd); 427d20aff15SAdrian Hunter int evlist__ctlfd_ack(struct evlist *evlist); 428ec886bf5SAlexey Budankov 4292162b9c6SAlexey Budankov #define EVLIST_ENABLED_MSG "Events enabled\n" 4302162b9c6SAlexey Budankov #define EVLIST_DISABLED_MSG "Events disabled\n" 4312162b9c6SAlexey Budankov 432*6657a099SAdrian Hunter int evlist__parse_event_enable_time(struct evlist *evlist, struct record_opts *opts, 433*6657a099SAdrian Hunter const char *str, int unset); 434*6657a099SAdrian Hunter int event_enable_timer__start(struct event_enable_timer *eet); 435*6657a099SAdrian Hunter void event_enable_timer__exit(struct event_enable_timer **ep); 436*6657a099SAdrian Hunter int event_enable_timer__process(struct event_enable_timer *eet); 437*6657a099SAdrian Hunter 438b214ba8cSNamhyung Kim struct evsel *evlist__find_evsel(struct evlist *evlist, int idx); 4399865ea8aSArnaldo Carvalho de Melo 4409865ea8aSArnaldo Carvalho de Melo int evlist__scnprintf_evsels(struct evlist *evlist, size_t size, char *bf); 441d5a8bd0fSJin Yao void evlist__check_mem_load_aux(struct evlist *evlist); 442361c99a6SArnaldo Carvalho de Melo #endif /* __PERF_EVLIST_H */ 443