diff options
Diffstat (limited to 'tools/perf/util/evlist.h')
| -rw-r--r-- | tools/perf/util/evlist.h | 478 |
1 files changed, 277 insertions, 201 deletions
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 8d601fbdd8d6..911834ae7c2a 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PERF_EVLIST_H #define __PERF_EVLIST_H 1 @@ -6,43 +7,23 @@ #include <linux/refcount.h> #include <linux/list.h> #include <api/fd/array.h> -#include <stdio.h> -#include "../perf.h" -#include "event.h" +#include <internal/evlist.h> +#include <internal/evsel.h> +#include <perf/evlist.h> +#include "events_stats.h" #include "evsel.h" -#include "util.h" -#include "auxtrace.h" +#include "rblist.h" +#include <pthread.h> #include <signal.h> #include <unistd.h> struct pollfd; struct thread_map; -struct cpu_map; +struct perf_cpu_map; +struct perf_stat_config; struct record_opts; - -#define PERF_EVLIST__HLIST_BITS 8 -#define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS) - -/** - * struct perf_mmap - perf's ring buffer mmap details - * - * @refcnt - e.g. code using PERF_EVENT_IOC_SET_OUTPUT to share this - */ -struct perf_mmap { - void *base; - int mask; - int fd; - refcount_t refcnt; - u64 prev; - struct auxtrace_mmap auxtrace_mmap; - char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8); -}; - -static inline size_t -perf_mmap__mmap_len(struct perf_mmap *map) -{ - return map->mask + 1 + page_size; -} +struct strbuf; +struct target; /* * State machine of bkw_mmap_state: @@ -72,229 +53,213 @@ enum bkw_mmap_state { BKW_MMAP_EMPTY, }; -struct perf_evlist { - struct list_head entries; - struct hlist_head heads[PERF_EVLIST__HLIST_SIZE]; - int nr_entries; - int nr_groups; - int nr_mmaps; - bool overwrite; +struct event_enable_timer; + +struct evlist { + struct perf_evlist core; bool enabled; - bool has_user_cpus; - size_t mmap_len; int id_pos; int is_pos; + int nr_br_cntr; u64 combined_sample_type; enum bkw_mmap_state bkw_mmap_state; struct { int cork_fd; pid_t pid; } workload; - struct fdarray pollfd; - struct perf_mmap *mmap; - struct perf_mmap *backward_mmap; - struct thread_map *threads; - struct cpu_map *cpus; - struct perf_evsel *selected; + struct mmap *mmap; + struct mmap *overwrite_mmap; + struct evsel *selected; struct events_stats stats; - struct perf_env *env; + struct perf_session *session; + void (*trace_event_sample_raw)(struct evlist *evlist, + union perf_event *event, + struct perf_sample *sample); + u64 first_sample_time; + u64 last_sample_time; + struct { + 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; + /** + * @metric_events: A list of struct metric_event which each have a list + * of struct metric_expr. + */ + struct rblist metric_events; + /* samples with deferred_callchain would wait here. */ + struct list_head deferred_samples; }; -struct perf_evsel_str_handler { +struct evsel_str_handler { const char *name; void *handler; }; -struct perf_evlist *perf_evlist__new(void); -struct perf_evlist *perf_evlist__new_default(void); -struct perf_evlist *perf_evlist__new_dummy(void); -void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus, - struct thread_map *threads); -void perf_evlist__exit(struct perf_evlist *evlist); -void perf_evlist__delete(struct perf_evlist *evlist); - -void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry); -void perf_evlist__remove(struct perf_evlist *evlist, struct perf_evsel *evsel); -int perf_evlist__add_default(struct perf_evlist *evlist); -int __perf_evlist__add_default_attrs(struct perf_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)) +struct evlist *evlist__new(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); +void evlist__delete(struct evlist *evlist); -int perf_evlist__add_dummy(struct perf_evlist *evlist); +void evlist__add(struct evlist *evlist, struct evsel *entry); +void evlist__remove(struct evlist *evlist, struct evsel *evsel); -int perf_evlist__add_newtp(struct perf_evlist *evlist, - const char *sys, const char *name, void *handler); +int arch_evlist__cmp(const struct evsel *lhs, const struct evsel *rhs); +int arch_evlist__add_required_events(struct list_head *list); -void __perf_evlist__set_sample_bit(struct perf_evlist *evlist, - enum perf_event_sample_format bit); -void __perf_evlist__reset_sample_bit(struct perf_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__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); +} +#ifdef HAVE_LIBTRACEEVENT +struct evsel *evlist__add_sched_switch(struct evlist *evlist, bool system_wide); +#endif -#define perf_evlist__reset_sample_bit(evlist, bit) \ - __perf_evlist__reset_sample_bit(evlist, PERF_SAMPLE_##bit) +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 perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter); -int perf_evlist__set_filter_pid(struct perf_evlist *evlist, pid_t pid); -int perf_evlist__set_filter_pids(struct perf_evlist *evlist, size_t npids, pid_t *pids); +#ifdef HAVE_LIBTRACEEVENT +int evlist__add_newtp(struct evlist *evlist, const char *sys, const char *name, void *handler); +#endif -struct perf_evsel * -perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id); +int __evlist__set_tracepoints_handlers(struct evlist *evlist, + const struct evsel_str_handler *assocs, + size_t nr_assocs); -struct perf_evsel * -perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist, - const char *name); +#define evlist__set_tracepoints_handlers(evlist, array) \ + __evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array)) -void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel, - int cpu, int thread, u64 id); -int perf_evlist__id_add_fd(struct perf_evlist *evlist, - struct perf_evsel *evsel, - int cpu, int thread, int fd); +int evlist__set_tp_filter(struct evlist *evlist, const char *filter); +int evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids); -int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd); -int perf_evlist__alloc_pollfd(struct perf_evlist *evlist); -int perf_evlist__filter_pollfd(struct perf_evlist *evlist, short revents_and_mask); +int evlist__append_tp_filter(struct evlist *evlist, const char *filter); -int perf_evlist__poll(struct perf_evlist *evlist, int timeout); +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); -struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); -struct perf_evsel *perf_evlist__id2evsel_strict(struct perf_evlist *evlist, - u64 id); +struct evsel *evlist__find_tracepoint_by_name(struct evlist *evlist, const char *name); -struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id); +int evlist__add_pollfd(struct evlist *evlist, int fd); +int evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask); -void perf_evlist__toggle_bkw_mmap(struct perf_evlist *evlist, enum bkw_mmap_state state); +#ifdef HAVE_EVENTFD_SUPPORT +int evlist__add_wakeup_eventfd(struct evlist *evlist, int fd); +#endif -union perf_event *perf_mmap__read_forward(struct perf_mmap *map, bool check_messup); -union perf_event *perf_mmap__read_backward(struct perf_mmap *map); +int evlist__poll(struct evlist *evlist, int timeout); -void perf_mmap__read_catchup(struct perf_mmap *md); -void perf_mmap__consume(struct perf_mmap *md, bool overwrite); +struct evsel *evlist__id2evsel(struct evlist *evlist, u64 id); +struct evsel *evlist__id2evsel_strict(struct evlist *evlist, u64 id); -union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx); +struct perf_sample_id *evlist__id2sid(struct evlist *evlist, u64 id); -union perf_event *perf_evlist__mmap_read_forward(struct perf_evlist *evlist, - int idx); -union perf_event *perf_evlist__mmap_read_backward(struct perf_evlist *evlist, - int idx); -void perf_evlist__mmap_read_catchup(struct perf_evlist *evlist, int idx); +void evlist__toggle_bkw_mmap(struct evlist *evlist, enum bkw_mmap_state state); -void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx); +void evlist__mmap_consume(struct evlist *evlist, int idx); -int perf_evlist__open(struct perf_evlist *evlist); -void perf_evlist__close(struct perf_evlist *evlist); +int evlist__open(struct evlist *evlist); +void evlist__close(struct evlist *evlist); struct callchain_param; -void perf_evlist__set_id_pos(struct perf_evlist *evlist); -bool perf_can_sample_identifier(void); -bool perf_can_record_switch_events(void); -bool perf_can_record_cpu_wide(void); -void perf_evlist__config(struct perf_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 perf_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 perf_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); +void evlist__cancel_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); -int perf_evlist__mmap_ex(struct perf_evlist *evlist, unsigned int pages, - bool overwrite, unsigned int auxtrace_pages, - bool auxtrace_overwrite); -int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, - bool overwrite); -void perf_evlist__munmap(struct perf_evlist *evlist); +int evlist__mmap_ex(struct evlist *evlist, unsigned int pages, + unsigned int auxtrace_pages, + bool auxtrace_overwrite, int nr_cblocks, + int affinity, int flush, int comp_level); +int evlist__mmap(struct evlist *evlist, unsigned int pages); +void evlist__munmap(struct evlist *evlist); -size_t perf_evlist__mmap_size(unsigned long pages); +size_t evlist__mmap_size(unsigned long pages); -void perf_evlist__disable(struct perf_evlist *evlist); -void perf_evlist__enable(struct perf_evlist *evlist); -void perf_evlist__toggle_enable(struct perf_evlist *evlist); +void evlist__disable(struct evlist *evlist); +void evlist__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 perf_evlist *evlist, - struct perf_evsel *evsel, int idx); +void evlist__set_selected(struct evlist *evlist, struct evsel *evsel); -void perf_evlist__set_selected(struct perf_evlist *evlist, - struct perf_evsel *evsel); +int evlist__create_maps(struct evlist *evlist, struct target *target); +int evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel, + struct target *target); -void perf_evlist__set_maps(struct perf_evlist *evlist, struct cpu_map *cpus, - struct thread_map *threads); -int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target); -int perf_evlist__apply_filters(struct perf_evlist *evlist, struct perf_evsel **err_evsel); +u64 __evlist__combined_sample_type(struct evlist *evlist); +u64 evlist__combined_sample_type(struct evlist *evlist); +u64 evlist__combined_branch_type(struct evlist *evlist); +void evlist__update_br_cntr(struct evlist *evlist); +bool evlist__sample_id_all(struct evlist *evlist); +u16 evlist__id_hdr_size(struct evlist *evlist); -void __perf_evlist__set_leader(struct list_head *list); -void perf_evlist__set_leader(struct perf_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); -u64 perf_evlist__read_format(struct perf_evlist *evlist); -u64 __perf_evlist__combined_sample_type(struct perf_evlist *evlist); -u64 perf_evlist__combined_sample_type(struct perf_evlist *evlist); -u64 perf_evlist__combined_branch_type(struct perf_evlist *evlist); -bool perf_evlist__sample_id_all(struct perf_evlist *evlist); -u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist); +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(struct perf_evlist *evlist, union perf_event *event, - struct perf_sample *sample); +void evlist__splice_list_tail(struct evlist *evlist, struct list_head *list); -bool perf_evlist__valid_sample_type(struct perf_evlist *evlist); -bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist); -bool perf_evlist__valid_read_format(struct perf_evlist *evlist); - -void perf_evlist__splice_list_tail(struct perf_evlist *evlist, - struct list_head *list); - -static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist) +static inline bool evlist__empty(struct evlist *evlist) { - return list_entry(evlist->entries.next, struct perf_evsel, node); + return list_empty(&evlist->core.entries); } -static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist) +static inline struct evsel *evlist__first(struct evlist *evlist) { - return list_entry(evlist->entries.prev, struct perf_evsel, node); -} + struct perf_evsel *evsel = perf_evlist__first(&evlist->core); -size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp); - -int perf_evlist__strerror_open(struct perf_evlist *evlist, int err, char *buf, size_t size); -int perf_evlist__strerror_mmap(struct perf_evlist *evlist, int err, char *buf, size_t size); + return container_of(evsel, struct evsel, core); +} -static inline u64 perf_mmap__read_head(struct perf_mmap *mm) +static inline struct evsel *evlist__last(struct evlist *evlist) { - struct perf_event_mmap_page *pc = mm->base; - u64 head = ACCESS_ONCE(pc->data_head); - rmb(); - return head; + struct perf_evsel *evsel = perf_evlist__last(&evlist->core); + + return container_of(evsel, struct evsel, core); } -static inline void perf_mmap__write_tail(struct perf_mmap *md, u64 tail) +static inline int evlist__nr_groups(struct evlist *evlist) { - struct perf_event_mmap_page *pc = md->base; - - /* - * ensure all reads are done before we write the tail out. - */ - mb(); - pc->data_tail = tail; + return perf_evlist__nr_groups(&evlist->core); } -bool perf_evlist__can_select_event(struct perf_evlist *evlist, const char *str); -void perf_evlist__to_front(struct perf_evlist *evlist, - struct perf_evsel *move_evsel); +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 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 @@ -302,7 +267,7 @@ void perf_evlist__to_front(struct perf_evlist *evlist, * @evsel: struct evsel iterator */ #define __evlist__for_each_entry(list, evsel) \ - list_for_each_entry(evsel, list, node) + list_for_each_entry(evsel, list, core.node) /** * evlist__for_each_entry - iterate thru all the evsels @@ -310,7 +275,7 @@ void perf_evlist__to_front(struct perf_evlist *evlist, * @evsel: struct evsel iterator */ #define evlist__for_each_entry(evlist, evsel) \ - __evlist__for_each_entry(&(evlist)->entries, evsel) + __evlist__for_each_entry(&(evlist)->core.entries, evsel) /** * __evlist__for_each_entry_continue - continue iteration thru all the evsels @@ -318,7 +283,7 @@ void perf_evlist__to_front(struct perf_evlist *evlist, * @evsel: struct evsel iterator */ #define __evlist__for_each_entry_continue(list, evsel) \ - list_for_each_entry_continue(evsel, list, node) + list_for_each_entry_continue(evsel, list, core.node) /** * evlist__for_each_entry_continue - continue iteration thru all the evsels @@ -326,7 +291,23 @@ void perf_evlist__to_front(struct perf_evlist *evlist, * @evsel: struct evsel iterator */ #define evlist__for_each_entry_continue(evlist, evsel) \ - __evlist__for_each_entry_continue(&(evlist)->entries, evsel) + __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 @@ -334,7 +315,7 @@ void perf_evlist__to_front(struct perf_evlist *evlist, * @evsel: struct evsel iterator */ #define __evlist__for_each_entry_reverse(list, evsel) \ - list_for_each_entry_reverse(evsel, list, node) + list_for_each_entry_reverse(evsel, list, core.node) /** * evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order @@ -342,7 +323,7 @@ void perf_evlist__to_front(struct perf_evlist *evlist, * @evsel: struct evsel iterator */ #define evlist__for_each_entry_reverse(evlist, evsel) \ - __evlist__for_each_entry_reverse(&(evlist)->entries, evsel) + __evlist__for_each_entry_reverse(&(evlist)->core.entries, evsel) /** * __evlist__for_each_entry_safe - safely iterate thru all the evsels @@ -351,7 +332,7 @@ void perf_evlist__to_front(struct perf_evlist *evlist, * @evsel: struct evsel iterator */ #define __evlist__for_each_entry_safe(list, tmp, evsel) \ - list_for_each_entry_safe(evsel, tmp, list, node) + list_for_each_entry_safe(evsel, tmp, list, core.node) /** * evlist__for_each_entry_safe - safely iterate thru all the evsels @@ -360,16 +341,111 @@ void perf_evlist__to_front(struct perf_evlist *evlist, * @tmp: struct evsel temp iterator */ #define evlist__for_each_entry_safe(evlist, tmp, evsel) \ - __evlist__for_each_entry_safe(&(evlist)->entries, tmp, evsel) + __evlist__for_each_entry_safe(&(evlist)->core.entries, tmp, 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; +}; + +/** + * 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__findnew_tracking_event(struct evlist *evlist, bool system_wide); + +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, +}; + +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); + +#define EVLIST_ENABLED_MSG "Events enabled\n" +#define EVLIST_DISABLED_MSG "Events disabled\n" -void perf_evlist__set_tracking_event(struct perf_evlist *evlist, - struct perf_evsel *tracking_evsel); +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_event_attr__set_max_precise_ip(struct perf_event_attr *attr); +struct evsel *evlist__find_evsel(struct evlist *evlist, int idx); -struct perf_evsel * -perf_evlist__find_evsel_by_str(struct perf_evlist *evlist, const char *str); +void evlist__format_evsels(struct evlist *evlist, struct strbuf *sb, size_t max_length); +void evlist__check_mem_load_aux(struct evlist *evlist); +void evlist__warn_user_requested_cpus(struct evlist *evlist, const char *cpu_list); +void evlist__uniquify_evsel_names(struct evlist *evlist, const struct perf_stat_config *config); +bool evlist__has_bpf_output(struct evlist *evlist); +bool evlist__needs_bpf_sb_event(struct evlist *evlist); -struct perf_evsel *perf_evlist__event2evsel(struct perf_evlist *evlist, - union perf_event *event); #endif /* __PERF_EVLIST_H */ |