diff options
Diffstat (limited to 'tools/perf/util/evlist.h')
| -rw-r--r-- | tools/perf/util/evlist.h | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index f5173cd63693..649b0c597283 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -2,6 +2,7 @@ #define __PERF_EVLIST_H 1 #include <linux/list.h> +#include <api/fd/array.h> #include <stdio.h> #include "../perf.h" #include "event.h" @@ -17,9 +18,15 @@ 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 refcnt; unsigned int prev; char event_copy[PERF_SAMPLE_MAX_SIZE]; }; @@ -29,7 +36,6 @@ struct perf_evlist { struct hlist_head heads[PERF_EVLIST__HLIST_SIZE]; int nr_entries; int nr_groups; - int nr_fds; int nr_mmaps; size_t mmap_len; int id_pos; @@ -40,8 +46,8 @@ struct perf_evlist { pid_t pid; } workload; bool overwrite; + struct fdarray pollfd; struct perf_mmap *mmap; - struct pollfd *pollfd; struct thread_map *threads; struct cpu_map *cpus; struct perf_evsel *selected; @@ -82,7 +88,11 @@ perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist, void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel, int cpu, int thread, u64 id); -void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd); +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 perf_evlist__poll(struct perf_evlist *evlist, int timeout); struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); @@ -107,6 +117,8 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist, void *ucontext)); int perf_evlist__start_workload(struct perf_evlist *evlist); +struct option; + int perf_evlist__parse_mmap_pages(const struct option *opt, const char *str, int unset); @@ -122,6 +134,8 @@ int perf_evlist__disable_event(struct perf_evlist *evlist, struct perf_evsel *evsel); int perf_evlist__enable_event(struct perf_evlist *evlist, struct perf_evsel *evsel); +int perf_evlist__enable_event_idx(struct perf_evlist *evlist, + struct perf_evsel *evsel, int idx); void perf_evlist__set_selected(struct perf_evlist *evlist, struct perf_evsel *evsel); @@ -262,4 +276,7 @@ void perf_evlist__to_front(struct perf_evlist *evlist, #define evlist__for_each_safe(evlist, tmp, evsel) \ __evlist__for_each_safe(&(evlist)->entries, tmp, evsel) +void perf_evlist__set_tracking_event(struct perf_evlist *evlist, + struct perf_evsel *tracking_evsel); + #endif /* __PERF_EVLIST_H */ |