diff options
Diffstat (limited to 'tools/perf/util/evlist.h')
| -rw-r--r-- | tools/perf/util/evlist.h | 59 |
1 files changed, 42 insertions, 17 deletions
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index a8081dfc19cf..c73f7f7f120b 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -74,6 +74,11 @@ 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 evsel_str_handler { @@ -92,20 +97,20 @@ 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_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)) +#define evlist__add_default_attrs(evlist, array) \ + __evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array)) -int perf_evlist__add_dummy(struct evlist *evlist); +int evlist__add_dummy(struct evlist *evlist); int perf_evlist__add_sb_event(struct evlist *evlist, struct perf_event_attr *attr, @@ -116,8 +121,7 @@ int perf_evlist__start_sb_thread(struct evlist *evlist, struct target *target); void perf_evlist__stop_sb_thread(struct evlist *evlist); -int perf_evlist__add_newtp(struct evlist *evlist, - const char *sys, const char *name, void *handler); +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, @@ -219,10 +223,10 @@ int perf_evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel); void __perf_evlist__set_leader(struct list_head *list); void perf_evlist__set_leader(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); +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 perf_evlist__id_hdr_size(struct evlist *evlist); int perf_evlist__parse_sample(struct evlist *evlist, union perf_event *event, @@ -232,8 +236,8 @@ int perf_evlist__parse_sample_timestamp(struct evlist *evlist, union perf_event *event, u64 *timestamp); -bool perf_evlist__valid_sample_type(struct evlist *evlist); -bool perf_evlist__valid_sample_id_all(struct evlist *evlist); +bool evlist__valid_sample_type(struct evlist *evlist); +bool 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, @@ -258,8 +262,8 @@ 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, @@ -356,4 +360,25 @@ void perf_evlist__force_leader(struct evlist *evlist); struct evsel *perf_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_MAX_LEN 64 + +enum evlist_ctl_cmd { + EVLIST_CTL_CMD_UNSUPPORTED = 0, + EVLIST_CTL_CMD_ENABLE, + EVLIST_CTL_CMD_DISABLE, + EVLIST_CTL_CMD_ACK +}; + +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); + +#define EVLIST_ENABLED_MSG "Events enabled\n" +#define EVLIST_DISABLED_MSG "Events disabled\n" + #endif /* __PERF_EVLIST_H */ |