diff options
Diffstat (limited to 'tools/perf/util/evlist.h')
-rw-r--r-- | tools/perf/util/evlist.h | 310 |
1 files changed, 196 insertions, 114 deletions
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index f5bd5c386df1..16734c6756b3 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -48,9 +48,10 @@ enum bkw_mmap_state { BKW_MMAP_EMPTY, }; +struct event_enable_timer; + struct evlist { struct perf_evlist core; - int nr_groups; bool enabled; int id_pos; int is_pos; @@ -65,6 +66,7 @@ struct evlist { struct evsel *selected; struct events_stats stats; struct perf_env *env; + const char *hybrid_pmu_name; void (*trace_event_sample_raw)(struct evlist *evlist, union perf_event *event, struct perf_sample *sample); @@ -74,6 +76,12 @@ struct evlist { pthread_t th; volatile int done; } thread; + struct { + int fd; /* control file descriptor */ + int ack; /* ack file descriptor for control commands */ + int pos; /* index at evlist core object to check signals */ + } ctl_fd; + struct event_enable_timer *eet; }; struct evsel_str_handler { @@ -82,8 +90,8 @@ struct evsel_str_handler { }; struct evlist *evlist__new(void); -struct evlist *perf_evlist__new_default(void); -struct evlist *perf_evlist__new_dummy(void); +struct evlist *evlist__new_default(void); +struct evlist *evlist__new_dummy(void); void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus, struct perf_thread_map *threads); void evlist__exit(struct evlist *evlist); @@ -92,31 +100,42 @@ void evlist__delete(struct evlist *evlist); void evlist__add(struct evlist *evlist, struct evsel *entry); void evlist__remove(struct evlist *evlist, struct evsel *evsel); -int __perf_evlist__add_default(struct evlist *evlist, bool precise); +int __evlist__add_default(struct evlist *evlist, bool precise); -static inline int perf_evlist__add_default(struct evlist *evlist) +static inline int evlist__add_default(struct evlist *evlist) { - return __perf_evlist__add_default(evlist, true); + return __evlist__add_default(evlist, true); } -int __perf_evlist__add_default_attrs(struct evlist *evlist, +int evlist__add_attrs(struct evlist *evlist, struct perf_event_attr *attrs, size_t nr_attrs); + +int __evlist__add_default_attrs(struct evlist *evlist, struct perf_event_attr *attrs, size_t nr_attrs); -#define perf_evlist__add_default_attrs(evlist, array) \ - __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array)) +int arch_evlist__add_default_attrs(struct evlist *evlist, + struct perf_event_attr *attrs, + size_t nr_attrs); + +#define evlist__add_default_attrs(evlist, array) \ + arch_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array)) -int perf_evlist__add_dummy(struct evlist *evlist); +struct evsel *arch_evlist__leader(struct list_head *list); -int perf_evlist__add_sb_event(struct evlist **evlist, - struct perf_event_attr *attr, - perf_evsel__sb_cb_t cb, - void *data); -int perf_evlist__start_sb_thread(struct evlist *evlist, - struct target *target); -void perf_evlist__stop_sb_thread(struct evlist *evlist); +int evlist__add_dummy(struct evlist *evlist); +struct evsel *evlist__add_aux_dummy(struct evlist *evlist, bool system_wide); +static inline struct evsel *evlist__add_dummy_on_all_cpus(struct evlist *evlist) +{ + return evlist__add_aux_dummy(evlist, true); +} +struct evsel *evlist__add_sched_switch(struct evlist *evlist, bool system_wide); -int perf_evlist__add_newtp(struct evlist *evlist, - const char *sys, const char *name, void *handler); +int evlist__add_sb_event(struct evlist *evlist, struct perf_event_attr *attr, + evsel__sb_cb_t cb, void *data); +void evlist__set_cb(struct evlist *evlist, evsel__sb_cb_t cb, void *data); +int evlist__start_sb_thread(struct evlist *evlist, struct target *target); +void evlist__stop_sb_thread(struct evlist *evlist); + +int evlist__add_newtp(struct evlist *evlist, const char *sys, const char *name, void *handler); int __evlist__set_tracepoints_handlers(struct evlist *evlist, const struct evsel_str_handler *assocs, @@ -125,45 +144,33 @@ int __evlist__set_tracepoints_handlers(struct evlist *evlist, #define evlist__set_tracepoints_handlers(evlist, array) \ __evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array)) -void __perf_evlist__set_sample_bit(struct evlist *evlist, - enum perf_event_sample_format bit); -void __perf_evlist__reset_sample_bit(struct evlist *evlist, - enum perf_event_sample_format bit); - -#define perf_evlist__set_sample_bit(evlist, bit) \ - __perf_evlist__set_sample_bit(evlist, PERF_SAMPLE_##bit) +int evlist__set_tp_filter(struct evlist *evlist, const char *filter); +int evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid); +int evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids); -#define perf_evlist__reset_sample_bit(evlist, bit) \ - __perf_evlist__reset_sample_bit(evlist, PERF_SAMPLE_##bit) +int evlist__append_tp_filter(struct evlist *evlist, const char *filter); -int perf_evlist__set_tp_filter(struct evlist *evlist, const char *filter); -int perf_evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid); -int perf_evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids); +int evlist__append_tp_filter_pid(struct evlist *evlist, pid_t pid); +int evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids); -int perf_evlist__append_tp_filter(struct evlist *evlist, const char *filter); - -int perf_evlist__append_tp_filter_pid(struct evlist *evlist, pid_t pid); -int perf_evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids); - -struct evsel * -perf_evlist__find_tracepoint_by_id(struct evlist *evlist, int id); - -struct evsel * -perf_evlist__find_tracepoint_by_name(struct evlist *evlist, - const char *name); +struct evsel *evlist__find_tracepoint_by_id(struct evlist *evlist, int id); +struct evsel *evlist__find_tracepoint_by_name(struct evlist *evlist, const char *name); int evlist__add_pollfd(struct evlist *evlist, int fd); int evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask); +#ifdef HAVE_EVENTFD_SUPPORT +int evlist__add_wakeup_eventfd(struct evlist *evlist, int fd); +#endif + int evlist__poll(struct evlist *evlist, int timeout); -struct evsel *perf_evlist__id2evsel(struct evlist *evlist, u64 id); -struct evsel *perf_evlist__id2evsel_strict(struct evlist *evlist, - u64 id); +struct evsel *evlist__id2evsel(struct evlist *evlist, u64 id); +struct evsel *evlist__id2evsel_strict(struct evlist *evlist, u64 id); -struct perf_sample_id *perf_evlist__id2sid(struct evlist *evlist, u64 id); +struct perf_sample_id *evlist__id2sid(struct evlist *evlist, u64 id); -void perf_evlist__toggle_bkw_mmap(struct evlist *evlist, enum bkw_mmap_state state); +void evlist__toggle_bkw_mmap(struct evlist *evlist, enum bkw_mmap_state state); void evlist__mmap_consume(struct evlist *evlist, int idx); @@ -172,28 +179,19 @@ void evlist__close(struct evlist *evlist); struct callchain_param; -void perf_evlist__set_id_pos(struct evlist *evlist); -bool perf_can_sample_identifier(void); -bool perf_can_record_switch_events(void); -bool perf_can_record_cpu_wide(void); -bool perf_can_aux_sample(void); -void perf_evlist__config(struct evlist *evlist, struct record_opts *opts, - struct callchain_param *callchain); +void evlist__set_id_pos(struct evlist *evlist); +void evlist__config(struct evlist *evlist, struct record_opts *opts, struct callchain_param *callchain); int record_opts__config(struct record_opts *opts); -int perf_evlist__prepare_workload(struct evlist *evlist, - struct target *target, - const char *argv[], bool pipe_output, - void (*exec_error)(int signo, siginfo_t *info, - void *ucontext)); -int perf_evlist__start_workload(struct evlist *evlist); +int evlist__prepare_workload(struct evlist *evlist, struct target *target, + const char *argv[], bool pipe_output, + void (*exec_error)(int signo, siginfo_t *info, void *ucontext)); +int evlist__start_workload(struct evlist *evlist); struct option; -int __perf_evlist__parse_mmap_pages(unsigned int *mmap_pages, const char *str); -int perf_evlist__parse_mmap_pages(const struct option *opt, - const char *str, - int unset); +int __evlist__parse_mmap_pages(unsigned int *mmap_pages, const char *str); +int evlist__parse_mmap_pages(const struct option *opt, const char *str, int unset); unsigned long perf_event_mlock_kb_in_pages(void); @@ -208,41 +206,35 @@ size_t evlist__mmap_size(unsigned long pages); void evlist__disable(struct evlist *evlist); void evlist__enable(struct evlist *evlist); -void perf_evlist__toggle_enable(struct evlist *evlist); +void evlist__toggle_enable(struct evlist *evlist); +void evlist__disable_evsel(struct evlist *evlist, char *evsel_name); +void evlist__enable_evsel(struct evlist *evlist, char *evsel_name); +void evlist__disable_non_dummy(struct evlist *evlist); +void evlist__enable_non_dummy(struct evlist *evlist); -int perf_evlist__enable_event_idx(struct evlist *evlist, - struct evsel *evsel, int idx); +void evlist__set_selected(struct evlist *evlist, struct evsel *evsel); -void perf_evlist__set_selected(struct evlist *evlist, - struct evsel *evsel); +int evlist__create_maps(struct evlist *evlist, struct target *target); +int evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel); -int perf_evlist__create_maps(struct evlist *evlist, struct target *target); -int perf_evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel); +void evlist__set_leader(struct evlist *evlist); -void __perf_evlist__set_leader(struct list_head *list); -void perf_evlist__set_leader(struct evlist *evlist); +u64 __evlist__combined_sample_type(struct evlist *evlist); +u64 evlist__combined_sample_type(struct evlist *evlist); +u64 evlist__combined_branch_type(struct evlist *evlist); +bool evlist__sample_id_all(struct evlist *evlist); +u16 evlist__id_hdr_size(struct evlist *evlist); -u64 __perf_evlist__combined_sample_type(struct evlist *evlist); -u64 perf_evlist__combined_sample_type(struct evlist *evlist); -u64 perf_evlist__combined_branch_type(struct evlist *evlist); -bool perf_evlist__sample_id_all(struct evlist *evlist); -u16 perf_evlist__id_hdr_size(struct evlist *evlist); +int evlist__parse_sample(struct evlist *evlist, union perf_event *event, struct perf_sample *sample); +int evlist__parse_sample_timestamp(struct evlist *evlist, union perf_event *event, u64 *timestamp); -int perf_evlist__parse_sample(struct evlist *evlist, union perf_event *event, - struct perf_sample *sample); +bool evlist__valid_sample_type(struct evlist *evlist); +bool evlist__valid_sample_id_all(struct evlist *evlist); +bool evlist__valid_read_format(struct evlist *evlist); -int perf_evlist__parse_sample_timestamp(struct evlist *evlist, - union perf_event *event, - u64 *timestamp); +void evlist__splice_list_tail(struct evlist *evlist, struct list_head *list); -bool perf_evlist__valid_sample_type(struct evlist *evlist); -bool perf_evlist__valid_sample_id_all(struct evlist *evlist); -bool perf_evlist__valid_read_format(struct evlist *evlist); - -void perf_evlist__splice_list_tail(struct evlist *evlist, - struct list_head *list); - -static inline bool perf_evlist__empty(struct evlist *evlist) +static inline bool evlist__empty(struct evlist *evlist) { return list_empty(&evlist->core.entries); } @@ -261,12 +253,11 @@ static inline struct evsel *evlist__last(struct evlist *evlist) return container_of(evsel, struct evsel, core); } -int perf_evlist__strerror_open(struct evlist *evlist, int err, char *buf, size_t size); -int perf_evlist__strerror_mmap(struct evlist *evlist, int err, char *buf, size_t size); +int evlist__strerror_open(struct evlist *evlist, int err, char *buf, size_t size); +int evlist__strerror_mmap(struct evlist *evlist, int err, char *buf, size_t size); -bool perf_evlist__can_select_event(struct evlist *evlist, const char *str); -void perf_evlist__to_front(struct evlist *evlist, - struct evsel *move_evsel); +bool evlist__can_select_event(struct evlist *evlist, const char *str); +void evlist__to_front(struct evlist *evlist, struct evsel *move_evsel); /** * __evlist__for_each_entry - iterate thru all the evsels @@ -301,6 +292,22 @@ void perf_evlist__to_front(struct evlist *evlist, __evlist__for_each_entry_continue(&(evlist)->core.entries, evsel) /** + * __evlist__for_each_entry_from - continue iteration from @evsel (included) + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_entry_from(list, evsel) \ + list_for_each_entry_from(evsel, list, core.node) + +/** + * evlist__for_each_entry_from - continue iteration from @evsel (included) + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each_entry_from(evlist, evsel) \ + __evlist__for_each_entry_from(&(evlist)->core.entries, evsel) + +/** * __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order * @list: list_head instance to iterate * @evsel: struct evsel iterator @@ -334,28 +341,103 @@ void perf_evlist__to_front(struct evlist *evlist, #define evlist__for_each_entry_safe(evlist, tmp, evsel) \ __evlist__for_each_entry_safe(&(evlist)->core.entries, tmp, evsel) -#define evlist__for_each_cpu(evlist, index, cpu) \ - evlist__cpu_iter_start(evlist); \ - perf_cpu_map__for_each_cpu (cpu, index, (evlist)->core.all_cpus) - -void perf_evlist__set_tracking_event(struct evlist *evlist, - struct evsel *tracking_evsel); +/** Iterator state for evlist__for_each_cpu */ +struct evlist_cpu_iterator { + /** The list being iterated through. */ + struct evlist *container; + /** The current evsel of the iterator. */ + struct evsel *evsel; + /** The CPU map index corresponding to the evsel->core.cpus for the current CPU. */ + int cpu_map_idx; + /** + * The CPU map index corresponding to evlist->core.all_cpus for the + * current CPU. Distinct from cpu_map_idx as the evsel's cpu map may + * contain fewer entries. + */ + int evlist_cpu_map_idx; + /** The number of CPU map entries in evlist->core.all_cpus. */ + int evlist_cpu_map_nr; + /** The current CPU of the iterator. */ + struct perf_cpu cpu; + /** If present, used to set the affinity when switching between CPUs. */ + struct affinity *affinity; +}; -void evlist__cpu_iter_start(struct evlist *evlist); -bool evsel__cpu_iter_skip(struct evsel *ev, int cpu); -bool evsel__cpu_iter_skip_no_inc(struct evsel *ev, int cpu); +/** + * evlist__for_each_cpu - without affinity, iterate over the evlist. With + * affinity, iterate over all CPUs and then the evlist + * for each evsel on that CPU. When switching between + * CPUs the affinity is set to the CPU to avoid IPIs + * during syscalls. + * @evlist_cpu_itr: the iterator instance. + * @evlist: evlist instance to iterate. + * @affinity: NULL or used to set the affinity to the current CPU. + */ +#define evlist__for_each_cpu(evlist_cpu_itr, evlist, affinity) \ + for ((evlist_cpu_itr) = evlist__cpu_begin(evlist, affinity); \ + !evlist_cpu_iterator__end(&evlist_cpu_itr); \ + evlist_cpu_iterator__next(&evlist_cpu_itr)) + +/** Returns an iterator set to the first CPU/evsel of evlist. */ +struct evlist_cpu_iterator evlist__cpu_begin(struct evlist *evlist, struct affinity *affinity); +/** Move to next element in iterator, updating CPU, evsel and the affinity. */ +void evlist_cpu_iterator__next(struct evlist_cpu_iterator *evlist_cpu_itr); +/** Returns true when iterator is at the end of the CPUs and evlist. */ +bool evlist_cpu_iterator__end(const struct evlist_cpu_iterator *evlist_cpu_itr); + +struct evsel *evlist__get_tracking_event(struct evlist *evlist); +void evlist__set_tracking_event(struct evlist *evlist, struct evsel *tracking_evsel); + +struct evsel *evlist__find_evsel_by_str(struct evlist *evlist, const char *str); + +struct evsel *evlist__event2evsel(struct evlist *evlist, union perf_event *event); + +bool evlist__exclude_kernel(struct evlist *evlist); + +void evlist__force_leader(struct evlist *evlist); + +struct evsel *evlist__reset_weak_group(struct evlist *evlist, struct evsel *evsel, bool close); + +#define EVLIST_CTL_CMD_ENABLE_TAG "enable" +#define EVLIST_CTL_CMD_DISABLE_TAG "disable" +#define EVLIST_CTL_CMD_ACK_TAG "ack\n" +#define EVLIST_CTL_CMD_SNAPSHOT_TAG "snapshot" +#define EVLIST_CTL_CMD_EVLIST_TAG "evlist" +#define EVLIST_CTL_CMD_STOP_TAG "stop" +#define EVLIST_CTL_CMD_PING_TAG "ping" + +#define EVLIST_CTL_CMD_MAX_LEN 64 + +enum evlist_ctl_cmd { + EVLIST_CTL_CMD_UNSUPPORTED = 0, + EVLIST_CTL_CMD_ENABLE, + EVLIST_CTL_CMD_DISABLE, + EVLIST_CTL_CMD_ACK, + EVLIST_CTL_CMD_SNAPSHOT, + EVLIST_CTL_CMD_EVLIST, + EVLIST_CTL_CMD_STOP, + EVLIST_CTL_CMD_PING, +}; -struct evsel * -perf_evlist__find_evsel_by_str(struct evlist *evlist, const char *str); +int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *ctl_fd_close); +void evlist__close_control(int ctl_fd, int ctl_fd_ack, bool *ctl_fd_close); +int evlist__initialize_ctlfd(struct evlist *evlist, int ctl_fd, int ctl_fd_ack); +int evlist__finalize_ctlfd(struct evlist *evlist); +bool evlist__ctlfd_initialized(struct evlist *evlist); +int evlist__ctlfd_process(struct evlist *evlist, enum evlist_ctl_cmd *cmd); +int evlist__ctlfd_ack(struct evlist *evlist); -struct evsel *perf_evlist__event2evsel(struct evlist *evlist, - union perf_event *event); +#define EVLIST_ENABLED_MSG "Events enabled\n" +#define EVLIST_DISABLED_MSG "Events disabled\n" -bool perf_evlist__exclude_kernel(struct evlist *evlist); +int evlist__parse_event_enable_time(struct evlist *evlist, struct record_opts *opts, + const char *str, int unset); +int event_enable_timer__start(struct event_enable_timer *eet); +void event_enable_timer__exit(struct event_enable_timer **ep); +int event_enable_timer__process(struct event_enable_timer *eet); -void perf_evlist__force_leader(struct evlist *evlist); +struct evsel *evlist__find_evsel(struct evlist *evlist, int idx); -struct evsel *perf_evlist__reset_weak_group(struct evlist *evlist, - struct evsel *evsel, - bool close); +int evlist__scnprintf_evsels(struct evlist *evlist, size_t size, char *bf); +void evlist__check_mem_load_aux(struct evlist *evlist); #endif /* __PERF_EVLIST_H */ |