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 5163503dbaSJiri Olsa struct evlist { 52ce9036a6SJiri Olsa struct perf_evlist core; 532b56bcfbSArnaldo Carvalho de Melo bool enabled; 5475562573SAdrian Hunter int id_pos; 5575562573SAdrian Hunter int is_pos; 5675562573SAdrian Hunter u64 combined_sample_type; 5754cc54deSWang Nan enum bkw_mmap_state bkw_mmap_state; 5835b9d88eSArnaldo Carvalho de Melo struct { 5935b9d88eSArnaldo Carvalho de Melo int cork_fd; 6035b9d88eSArnaldo Carvalho de Melo pid_t pid; 6135b9d88eSArnaldo Carvalho de Melo } workload; 62a5830532SJiri Olsa struct mmap *mmap; 63a5830532SJiri Olsa struct mmap *overwrite_mmap; 6432dcd021SJiri Olsa struct evsel *selected; 6575be989aSArnaldo Carvalho de Melo struct events_stats stats; 662c07144dSKan Liang struct perf_env *env; 67e69dc842SJin Yao const char *hybrid_pmu_name; 6863503dbaSJiri Olsa void (*trace_event_sample_raw)(struct evlist *evlist, 6993115d32SThomas Richter union perf_event *event, 7093115d32SThomas Richter struct perf_sample *sample); 716011518dSJin Yao u64 first_sample_time; 726011518dSJin Yao u64 last_sample_time; 73657ee553SSong Liu struct { 74657ee553SSong Liu pthread_t th; 75657ee553SSong Liu volatile int done; 76657ee553SSong Liu } thread; 778ab705b5SAlexey Budankov struct { 788ab705b5SAlexey Budankov int fd; /* control file descriptor */ 798ab705b5SAlexey Budankov int ack; /* ack file descriptor for control commands */ 808ab705b5SAlexey Budankov int pos; /* index at evlist core object to check signals */ 818ab705b5SAlexey Budankov } ctl_fd; 82361c99a6SArnaldo Carvalho de Melo }; 83361c99a6SArnaldo Carvalho de Melo 8432dcd021SJiri Olsa struct evsel_str_handler { 85ee29be62SArnaldo Carvalho de Melo const char *name; 86ee29be62SArnaldo Carvalho de Melo void *handler; 87ee29be62SArnaldo Carvalho de Melo }; 88ee29be62SArnaldo Carvalho de Melo 890f98b11cSJiri Olsa struct evlist *evlist__new(void); 90606e2c29SArnaldo Carvalho de Melo struct evlist *evlist__new_default(void); 91606e2c29SArnaldo Carvalho de Melo struct evlist *evlist__new_dummy(void); 9252c86bcaSJiri Olsa void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus, 939749b90eSJiri Olsa struct perf_thread_map *threads); 94470579b0SJiri Olsa void evlist__exit(struct evlist *evlist); 95c12995a5SJiri Olsa void evlist__delete(struct evlist *evlist); 96361c99a6SArnaldo Carvalho de Melo 97a1cf3a75SJiri Olsa void evlist__add(struct evlist *evlist, struct evsel *entry); 9816251027SJiri Olsa void evlist__remove(struct evlist *evlist, struct evsel *evsel); 99db918acbSArnaldo Carvalho de Melo 100e251abeeSArnaldo Carvalho de Melo int __evlist__add_default(struct evlist *evlist, bool precise); 101db918acbSArnaldo Carvalho de Melo 102e251abeeSArnaldo Carvalho de Melo static inline int evlist__add_default(struct evlist *evlist) 103db918acbSArnaldo Carvalho de Melo { 104e251abeeSArnaldo Carvalho de Melo return __evlist__add_default(evlist, true); 105db918acbSArnaldo Carvalho de Melo } 106db918acbSArnaldo Carvalho de Melo 107e251abeeSArnaldo Carvalho de Melo int __evlist__add_default_attrs(struct evlist *evlist, 10879695e1bSArnaldo Carvalho de Melo struct perf_event_attr *attrs, size_t nr_attrs); 10950d08e47SArnaldo Carvalho de Melo 110e251abeeSArnaldo Carvalho de Melo #define evlist__add_default_attrs(evlist, array) \ 111e251abeeSArnaldo Carvalho de Melo __evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array)) 112361c99a6SArnaldo Carvalho de Melo 11342641d6fSKan Liang int arch_evlist__add_default_attrs(struct evlist *evlist); 11494dbfd67SIan Rogers struct evsel *arch_evlist__leader(struct list_head *list); 11542641d6fSKan Liang 116e251abeeSArnaldo Carvalho de Melo int evlist__add_dummy(struct evlist *evlist); 1175bae0250SArnaldo Carvalho de Melo 11808c83997SArnaldo Carvalho de Melo int evlist__add_sb_event(struct evlist *evlist, struct perf_event_attr *attr, 11908c83997SArnaldo Carvalho de Melo evsel__sb_cb_t cb, void *data); 12065ddce3fSArnaldo Carvalho de Melo void evlist__set_cb(struct evlist *evlist, evsel__sb_cb_t cb, void *data); 12108c83997SArnaldo Carvalho de Melo int evlist__start_sb_thread(struct evlist *evlist, struct target *target); 12208c83997SArnaldo Carvalho de Melo void evlist__stop_sb_thread(struct evlist *evlist); 123657ee553SSong Liu 124e251abeeSArnaldo Carvalho de Melo int evlist__add_newtp(struct evlist *evlist, const char *sys, const char *name, void *handler); 12539876e7dSArnaldo Carvalho de Melo 126c0e53476SArnaldo Carvalho de Melo int __evlist__set_tracepoints_handlers(struct evlist *evlist, 127c0e53476SArnaldo Carvalho de Melo const struct evsel_str_handler *assocs, 128c0e53476SArnaldo Carvalho de Melo size_t nr_assocs); 129c0e53476SArnaldo Carvalho de Melo 130c0e53476SArnaldo Carvalho de Melo #define evlist__set_tracepoints_handlers(evlist, array) \ 131c0e53476SArnaldo Carvalho de Melo __evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array)) 132c0e53476SArnaldo Carvalho de Melo 13324bf91a7SArnaldo Carvalho de Melo int evlist__set_tp_filter(struct evlist *evlist, const char *filter); 13424bf91a7SArnaldo Carvalho de Melo int evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid); 13524bf91a7SArnaldo Carvalho de Melo int evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids); 136745cefc5SArnaldo Carvalho de Melo 13724bf91a7SArnaldo Carvalho de Melo int evlist__append_tp_filter(struct evlist *evlist, const char *filter); 13853c92f73SArnaldo Carvalho de Melo 13924bf91a7SArnaldo Carvalho de Melo int evlist__append_tp_filter_pid(struct evlist *evlist, pid_t pid); 14024bf91a7SArnaldo Carvalho de Melo int evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids); 1411827ab5bSArnaldo Carvalho de Melo 142b02736f7SArnaldo Carvalho de Melo struct evsel *evlist__find_tracepoint_by_id(struct evlist *evlist, int id); 143b02736f7SArnaldo Carvalho de Melo struct evsel *evlist__find_tracepoint_by_name(struct evlist *evlist, const char *name); 144a2f2804aSDavid Ahern 145f4009e7bSJiri Olsa int evlist__add_pollfd(struct evlist *evlist, int fd); 146f4009e7bSJiri Olsa int evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask); 1471ddec7f0SArnaldo Carvalho de Melo 148e16c2ce7SYang Jihong #ifdef HAVE_EVENTFD_SUPPORT 149e16c2ce7SYang Jihong int evlist__add_wakeup_eventfd(struct evlist *evlist, int fd); 150e16c2ce7SYang Jihong #endif 151e16c2ce7SYang Jihong 15280ab2987SJiri Olsa int evlist__poll(struct evlist *evlist, int timeout); 153f66a889dSArnaldo Carvalho de Melo 1543ccf8a7bSArnaldo Carvalho de Melo struct evsel *evlist__id2evsel(struct evlist *evlist, u64 id); 1553ccf8a7bSArnaldo Carvalho de Melo struct evsel *evlist__id2evsel_strict(struct evlist *evlist, u64 id); 15670db7533SArnaldo Carvalho de Melo 1573ccf8a7bSArnaldo Carvalho de Melo struct perf_sample_id *evlist__id2sid(struct evlist *evlist, u64 id); 158932a3594SJiri Olsa 159ade9d208SArnaldo Carvalho de Melo void evlist__toggle_bkw_mmap(struct evlist *evlist, enum bkw_mmap_state state); 16054cc54deSWang Nan 1619521b5f2SJiri Olsa void evlist__mmap_consume(struct evlist *evlist, int idx); 1628e50d384SZhouyi Zhou 163474ddc4cSJiri Olsa int evlist__open(struct evlist *evlist); 164750b4edeSJiri Olsa void evlist__close(struct evlist *evlist); 165727ab04eSArnaldo Carvalho de Melo 166e68ae9cfSArnaldo Carvalho de Melo struct callchain_param; 167e68ae9cfSArnaldo Carvalho de Melo 1680a7e7ec9SArnaldo Carvalho de Melo void evlist__set_id_pos(struct evlist *evlist); 16978e1bc25SArnaldo Carvalho de Melo void evlist__config(struct evlist *evlist, struct record_opts *opts, struct callchain_param *callchain); 170b4006796SArnaldo Carvalho de Melo int record_opts__config(struct record_opts *opts); 1710f82ebc4SArnaldo Carvalho de Melo 1727b392ef0SArnaldo Carvalho de Melo int evlist__prepare_workload(struct evlist *evlist, struct target *target, 17355e162eaSNamhyung Kim const char *argv[], bool pipe_output, 1747b392ef0SArnaldo Carvalho de Melo void (*exec_error)(int signo, siginfo_t *info, void *ucontext)); 1757b392ef0SArnaldo Carvalho de Melo int evlist__start_workload(struct evlist *evlist); 17635b9d88eSArnaldo Carvalho de Melo 177724ce97eSArnaldo Carvalho de Melo struct option; 178724ce97eSArnaldo Carvalho de Melo 17925f84702SArnaldo Carvalho de Melo int __evlist__parse_mmap_pages(unsigned int *mmap_pages, const char *str); 18025f84702SArnaldo Carvalho de Melo int evlist__parse_mmap_pages(const struct option *opt, const char *str, int unset); 181994a1f78SJiri Olsa 182f5e7150cSArnaldo Carvalho de Melo unsigned long perf_event_mlock_kb_in_pages(void); 183f5e7150cSArnaldo Carvalho de Melo 1849521b5f2SJiri Olsa int evlist__mmap_ex(struct evlist *evlist, unsigned int pages, 1857a276ff6SWang Nan unsigned int auxtrace_pages, 186470530bbSAlexey Budankov bool auxtrace_overwrite, int nr_cblocks, 18751255a8aSAlexey Budankov int affinity, int flush, int comp_level); 1889521b5f2SJiri Olsa int evlist__mmap(struct evlist *evlist, unsigned int pages); 189db6b7b13SJiri Olsa void evlist__munmap(struct evlist *evlist); 1907e2ed097SArnaldo Carvalho de Melo 1919521b5f2SJiri Olsa size_t evlist__mmap_size(unsigned long pages); 1920c582449SJiri Olsa 193e74676deSJiri Olsa void evlist__disable(struct evlist *evlist); 1941c87f165SJiri Olsa void evlist__enable(struct evlist *evlist); 195ade9d208SArnaldo Carvalho de Melo void evlist__toggle_enable(struct evlist *evlist); 1967cfcd1e0SJiri Olsa void evlist__disable_evsel(struct evlist *evlist, char *evsel_name); 1977cfcd1e0SJiri Olsa void evlist__enable_evsel(struct evlist *evlist, char *evsel_name); 1984152ab37SArnaldo Carvalho de Melo 19937b01abeSArnaldo Carvalho de Melo int evlist__enable_event_idx(struct evlist *evlist, struct evsel *evsel, int idx); 200395c3070SAdrian Hunter 201900c8eadSArnaldo Carvalho de Melo void evlist__set_selected(struct evlist *evlist, struct evsel *evsel); 20281cce8deSArnaldo Carvalho de Melo 2037748bb71SArnaldo Carvalho de Melo int evlist__create_maps(struct evlist *evlist, struct target *target); 20424bf91a7SArnaldo Carvalho de Melo int evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel); 205f8a95309SArnaldo Carvalho de Melo 206a622eafaSArnaldo Carvalho de Melo void evlist__set_leader(struct evlist *evlist); 20763dab225SArnaldo Carvalho de Melo 208b3c2cc2bSArnaldo Carvalho de Melo u64 __evlist__combined_sample_type(struct evlist *evlist); 209b3c2cc2bSArnaldo Carvalho de Melo u64 evlist__combined_sample_type(struct evlist *evlist); 21092c7d7cdSArnaldo Carvalho de Melo u64 evlist__combined_branch_type(struct evlist *evlist); 2118cedf3a5SArnaldo Carvalho de Melo bool evlist__sample_id_all(struct evlist *evlist); 2121420ba2fSArnaldo Carvalho de Melo u16 evlist__id_hdr_size(struct evlist *evlist); 21374429964SFrederic Weisbecker 2142a6599cdSArnaldo Carvalho de Melo int evlist__parse_sample(struct evlist *evlist, union perf_event *event, struct perf_sample *sample); 2152a6599cdSArnaldo Carvalho de Melo int evlist__parse_sample_timestamp(struct evlist *evlist, union perf_event *event, u64 *timestamp); 21601468120SJiri Olsa 217b3c2cc2bSArnaldo Carvalho de Melo bool evlist__valid_sample_type(struct evlist *evlist); 2188cedf3a5SArnaldo Carvalho de Melo bool evlist__valid_sample_id_all(struct evlist *evlist); 21978e1bc25SArnaldo Carvalho de Melo bool evlist__valid_read_format(struct evlist *evlist); 2200529bc1fSJiri Olsa 221e414fd1aSArnaldo Carvalho de Melo void evlist__splice_list_tail(struct evlist *evlist, struct list_head *list); 2220c21f736SArnaldo Carvalho de Melo 223e414fd1aSArnaldo Carvalho de Melo static inline bool evlist__empty(struct evlist *evlist) 22464831a21SDavid Carrillo-Cisneros { 225ce9036a6SJiri Olsa return list_empty(&evlist->core.entries); 22664831a21SDavid Carrillo-Cisneros } 22764831a21SDavid Carrillo-Cisneros 228515dbe48SJiri Olsa static inline struct evsel *evlist__first(struct evlist *evlist) 2290c21f736SArnaldo Carvalho de Melo { 230515dbe48SJiri Olsa struct perf_evsel *evsel = perf_evlist__first(&evlist->core); 231515dbe48SJiri Olsa 232515dbe48SJiri Olsa return container_of(evsel, struct evsel, core); 2330c21f736SArnaldo Carvalho de Melo } 2340c21f736SArnaldo Carvalho de Melo 235515dbe48SJiri Olsa static inline struct evsel *evlist__last(struct evlist *evlist) 2360c21f736SArnaldo Carvalho de Melo { 237515dbe48SJiri Olsa struct perf_evsel *evsel = perf_evlist__last(&evlist->core); 238515dbe48SJiri Olsa 239515dbe48SJiri Olsa return container_of(evsel, struct evsel, core); 2400c21f736SArnaldo Carvalho de Melo } 24178f067b3SArnaldo Carvalho de Melo 242d1f249ecSArnaldo Carvalho de Melo int evlist__strerror_open(struct evlist *evlist, int err, char *buf, size_t size); 243d1f249ecSArnaldo Carvalho de Melo int evlist__strerror_mmap(struct evlist *evlist, int err, char *buf, size_t size); 2446ef068cbSArnaldo Carvalho de Melo 245900c8eadSArnaldo Carvalho de Melo bool evlist__can_select_event(struct evlist *evlist, const char *str); 246e414fd1aSArnaldo Carvalho de Melo void evlist__to_front(struct evlist *evlist, struct evsel *move_evsel); 247a025e4f0SAdrian Hunter 2480050f7aaSArnaldo Carvalho de Melo /** 249e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry - iterate thru all the evsels 2500050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 2510050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 2520050f7aaSArnaldo Carvalho de Melo */ 253e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry(list, evsel) \ 254b27c4eceSJiri Olsa list_for_each_entry(evsel, list, core.node) 2550050f7aaSArnaldo Carvalho de Melo 2560050f7aaSArnaldo Carvalho de Melo /** 257e5cadb93SArnaldo Carvalho de Melo * evlist__for_each_entry - iterate thru all the evsels 2580050f7aaSArnaldo Carvalho de Melo * @evlist: evlist instance to iterate 2590050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 2600050f7aaSArnaldo Carvalho de Melo */ 261e5cadb93SArnaldo Carvalho de Melo #define evlist__for_each_entry(evlist, evsel) \ 262ce9036a6SJiri Olsa __evlist__for_each_entry(&(evlist)->core.entries, evsel) 2630050f7aaSArnaldo Carvalho de Melo 2640050f7aaSArnaldo Carvalho de Melo /** 265e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry_continue - continue iteration thru all the evsels 2660050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 2670050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 2680050f7aaSArnaldo Carvalho de Melo */ 269e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry_continue(list, evsel) \ 270b27c4eceSJiri Olsa list_for_each_entry_continue(evsel, list, core.node) 2710050f7aaSArnaldo Carvalho de Melo 2720050f7aaSArnaldo Carvalho de Melo /** 273e5cadb93SArnaldo Carvalho de Melo * evlist__for_each_entry_continue - continue iteration thru all the evsels 2740050f7aaSArnaldo Carvalho de Melo * @evlist: evlist instance to iterate 2750050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 2760050f7aaSArnaldo Carvalho de Melo */ 277e5cadb93SArnaldo Carvalho de Melo #define evlist__for_each_entry_continue(evlist, evsel) \ 278ce9036a6SJiri Olsa __evlist__for_each_entry_continue(&(evlist)->core.entries, evsel) 2790050f7aaSArnaldo Carvalho de Melo 2800050f7aaSArnaldo Carvalho de Melo /** 28179e7ed56SRiccardo Mancini * __evlist__for_each_entry_from - continue iteration from @evsel (included) 28279e7ed56SRiccardo Mancini * @list: list_head instance to iterate 28379e7ed56SRiccardo Mancini * @evsel: struct evsel iterator 28479e7ed56SRiccardo Mancini */ 28579e7ed56SRiccardo Mancini #define __evlist__for_each_entry_from(list, evsel) \ 28679e7ed56SRiccardo Mancini list_for_each_entry_from(evsel, list, core.node) 28779e7ed56SRiccardo Mancini 28879e7ed56SRiccardo Mancini /** 28979e7ed56SRiccardo Mancini * evlist__for_each_entry_from - continue iteration from @evsel (included) 29079e7ed56SRiccardo Mancini * @evlist: evlist instance to iterate 29179e7ed56SRiccardo Mancini * @evsel: struct evsel iterator 29279e7ed56SRiccardo Mancini */ 29379e7ed56SRiccardo Mancini #define evlist__for_each_entry_from(evlist, evsel) \ 29479e7ed56SRiccardo Mancini __evlist__for_each_entry_from(&(evlist)->core.entries, evsel) 29579e7ed56SRiccardo Mancini 29679e7ed56SRiccardo Mancini /** 297e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order 2980050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 2990050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 3000050f7aaSArnaldo Carvalho de Melo */ 301e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry_reverse(list, evsel) \ 302b27c4eceSJiri Olsa list_for_each_entry_reverse(evsel, list, core.node) 3030050f7aaSArnaldo Carvalho de Melo 3040050f7aaSArnaldo Carvalho de Melo /** 305e5cadb93SArnaldo Carvalho de Melo * evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order 3060050f7aaSArnaldo Carvalho de Melo * @evlist: evlist instance to iterate 3070050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 3080050f7aaSArnaldo Carvalho de Melo */ 309e5cadb93SArnaldo Carvalho de Melo #define evlist__for_each_entry_reverse(evlist, evsel) \ 310ce9036a6SJiri Olsa __evlist__for_each_entry_reverse(&(evlist)->core.entries, evsel) 3110050f7aaSArnaldo Carvalho de Melo 3120050f7aaSArnaldo Carvalho de Melo /** 313e5cadb93SArnaldo Carvalho de Melo * __evlist__for_each_entry_safe - safely iterate thru all the evsels 3140050f7aaSArnaldo Carvalho de Melo * @list: list_head instance to iterate 3150050f7aaSArnaldo Carvalho de Melo * @tmp: struct evsel temp iterator 3160050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 3170050f7aaSArnaldo Carvalho de Melo */ 318e5cadb93SArnaldo Carvalho de Melo #define __evlist__for_each_entry_safe(list, tmp, evsel) \ 319b27c4eceSJiri Olsa list_for_each_entry_safe(evsel, tmp, list, core.node) 3200050f7aaSArnaldo Carvalho de Melo 3210050f7aaSArnaldo Carvalho de Melo /** 322e5cadb93SArnaldo Carvalho de Melo * evlist__for_each_entry_safe - safely iterate thru all the evsels 3230050f7aaSArnaldo Carvalho de Melo * @evlist: evlist instance to iterate 3240050f7aaSArnaldo Carvalho de Melo * @evsel: struct evsel iterator 3250050f7aaSArnaldo Carvalho de Melo * @tmp: struct evsel temp iterator 3260050f7aaSArnaldo Carvalho de Melo */ 327e5cadb93SArnaldo Carvalho de Melo #define evlist__for_each_entry_safe(evlist, tmp, evsel) \ 328ce9036a6SJiri Olsa __evlist__for_each_entry_safe(&(evlist)->core.entries, tmp, evsel) 329c09ec622SAdrian Hunter 330*472832d2SIan Rogers /** Iterator state for evlist__for_each_cpu */ 331*472832d2SIan Rogers struct evlist_cpu_iterator { 332*472832d2SIan Rogers /** The list being iterated through. */ 333*472832d2SIan Rogers struct evlist *container; 334*472832d2SIan Rogers /** The current evsel of the iterator. */ 335*472832d2SIan Rogers struct evsel *evsel; 336*472832d2SIan Rogers /** The CPU map index corresponding to the evsel->core.cpus for the current CPU. */ 337*472832d2SIan Rogers int cpu_map_idx; 338*472832d2SIan Rogers /** 339*472832d2SIan Rogers * The CPU map index corresponding to evlist->core.all_cpus for the 340*472832d2SIan Rogers * current CPU. Distinct from cpu_map_idx as the evsel's cpu map may 341*472832d2SIan Rogers * contain fewer entries. 342*472832d2SIan Rogers */ 343*472832d2SIan Rogers int evlist_cpu_map_idx; 344*472832d2SIan Rogers /** The number of CPU map entries in evlist->core.all_cpus. */ 345*472832d2SIan Rogers int evlist_cpu_map_nr; 346*472832d2SIan Rogers /** The current CPU of the iterator. */ 347*472832d2SIan Rogers int cpu; 348*472832d2SIan Rogers /** If present, used to set the affinity when switching between CPUs. */ 349*472832d2SIan Rogers struct affinity *affinity; 350*472832d2SIan Rogers }; 351*472832d2SIan Rogers 352*472832d2SIan Rogers /** 353*472832d2SIan Rogers * evlist__for_each_cpu - without affinity, iterate over the evlist. With 354*472832d2SIan Rogers * affinity, iterate over all CPUs and then the evlist 355*472832d2SIan Rogers * for each evsel on that CPU. When switching between 356*472832d2SIan Rogers * CPUs the affinity is set to the CPU to avoid IPIs 357*472832d2SIan Rogers * during syscalls. 358*472832d2SIan Rogers * @evlist_cpu_itr: the iterator instance. 359*472832d2SIan Rogers * @evlist: evlist instance to iterate. 360*472832d2SIan Rogers * @affinity: NULL or used to set the affinity to the current CPU. 361*472832d2SIan Rogers */ 362*472832d2SIan Rogers #define evlist__for_each_cpu(evlist_cpu_itr, evlist, affinity) \ 363*472832d2SIan Rogers for ((evlist_cpu_itr) = evlist__cpu_begin(evlist, affinity); \ 364*472832d2SIan Rogers !evlist_cpu_iterator__end(&evlist_cpu_itr); \ 365*472832d2SIan Rogers evlist_cpu_iterator__next(&evlist_cpu_itr)) 366*472832d2SIan Rogers 367*472832d2SIan Rogers /** Returns an iterator set to the first CPU/evsel of evlist. */ 368*472832d2SIan Rogers struct evlist_cpu_iterator evlist__cpu_begin(struct evlist *evlist, struct affinity *affinity); 369*472832d2SIan Rogers /** Move to next element in iterator, updating CPU, evsel and the affinity. */ 370*472832d2SIan Rogers void evlist_cpu_iterator__next(struct evlist_cpu_iterator *evlist_cpu_itr); 371*472832d2SIan Rogers /** Returns true when iterator is at the end of the CPUs and evlist. */ 372*472832d2SIan Rogers bool evlist_cpu_iterator__end(const struct evlist_cpu_iterator *evlist_cpu_itr); 373a8cbe40fSAndi Kleen 374e80db255SArnaldo Carvalho de Melo struct evsel *evlist__get_tracking_event(struct evlist *evlist); 375e80db255SArnaldo Carvalho de Melo void evlist__set_tracking_event(struct evlist *evlist, struct evsel *tracking_evsel); 37645cf6c33SJiri Olsa 377b02736f7SArnaldo Carvalho de Melo struct evsel *evlist__find_evsel_by_str(struct evlist *evlist, const char *str); 3787cb5c5acSJiri Olsa 3793ccf8a7bSArnaldo Carvalho de Melo struct evsel *evlist__event2evsel(struct evlist *evlist, union perf_event *event); 38007d6f446SArnaldo Carvalho de Melo 38178e1bc25SArnaldo Carvalho de Melo bool evlist__exclude_kernel(struct evlist *evlist); 382e2bdbe80SJin Yao 38364b4778bSArnaldo Carvalho de Melo void evlist__force_leader(struct evlist *evlist); 384e2bdbe80SJin Yao 38564b4778bSArnaldo Carvalho de Melo struct evsel *evlist__reset_weak_group(struct evlist *evlist, struct evsel *evsel, bool close); 38664b4778bSArnaldo Carvalho de Melo 387ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_ENABLE_TAG "enable" 388ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_DISABLE_TAG "disable" 389ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_ACK_TAG "ack\n" 390d20aff15SAdrian Hunter #define EVLIST_CTL_CMD_SNAPSHOT_TAG "snapshot" 391142544a9SJiri Olsa #define EVLIST_CTL_CMD_EVLIST_TAG "evlist" 392f186cd61SJiri Olsa #define EVLIST_CTL_CMD_STOP_TAG "stop" 39347fddcb4SJiri Olsa #define EVLIST_CTL_CMD_PING_TAG "ping" 394ec886bf5SAlexey Budankov 395ec886bf5SAlexey Budankov #define EVLIST_CTL_CMD_MAX_LEN 64 396ec886bf5SAlexey Budankov 397ec886bf5SAlexey Budankov enum evlist_ctl_cmd { 398ec886bf5SAlexey Budankov EVLIST_CTL_CMD_UNSUPPORTED = 0, 399ec886bf5SAlexey Budankov EVLIST_CTL_CMD_ENABLE, 400ec886bf5SAlexey Budankov EVLIST_CTL_CMD_DISABLE, 401d20aff15SAdrian Hunter EVLIST_CTL_CMD_ACK, 402d20aff15SAdrian Hunter EVLIST_CTL_CMD_SNAPSHOT, 403142544a9SJiri Olsa EVLIST_CTL_CMD_EVLIST, 404f186cd61SJiri Olsa EVLIST_CTL_CMD_STOP, 40547fddcb4SJiri Olsa EVLIST_CTL_CMD_PING, 406ec886bf5SAlexey Budankov }; 407ec886bf5SAlexey Budankov 408a8fcbd26SAdrian Hunter int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *ctl_fd_close); 409ee7fe31eSAdrian Hunter void evlist__close_control(int ctl_fd, int ctl_fd_ack, bool *ctl_fd_close); 410ec886bf5SAlexey Budankov int evlist__initialize_ctlfd(struct evlist *evlist, int ctl_fd, int ctl_fd_ack); 411ec886bf5SAlexey Budankov int evlist__finalize_ctlfd(struct evlist *evlist); 412ec886bf5SAlexey Budankov bool evlist__ctlfd_initialized(struct evlist *evlist); 413ec886bf5SAlexey Budankov int evlist__ctlfd_process(struct evlist *evlist, enum evlist_ctl_cmd *cmd); 414d20aff15SAdrian Hunter int evlist__ctlfd_ack(struct evlist *evlist); 415ec886bf5SAlexey Budankov 4162162b9c6SAlexey Budankov #define EVLIST_ENABLED_MSG "Events enabled\n" 4172162b9c6SAlexey Budankov #define EVLIST_DISABLED_MSG "Events disabled\n" 4182162b9c6SAlexey Budankov 419b214ba8cSNamhyung Kim struct evsel *evlist__find_evsel(struct evlist *evlist, int idx); 4209865ea8aSArnaldo Carvalho de Melo 4219865ea8aSArnaldo Carvalho de Melo int evlist__scnprintf_evsels(struct evlist *evlist, size_t size, char *bf); 422d5a8bd0fSJin Yao void evlist__check_mem_load_aux(struct evlist *evlist); 423361c99a6SArnaldo Carvalho de Melo #endif /* __PERF_EVLIST_H */ 424