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authorArnaldo Carvalho de Melo <acme@redhat.com>2011-01-12 17:03:24 -0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-01-22 19:56:29 -0200
commit70082dd92c4b288bd723a77897e2b555f0e63113 (patch)
tree907a2d78fcaabc28cd4d034901e0eac800d1ed17 /tools/perf/util/evsel.h
parentdd7927f4f8ee75b032ff15aeef4bda49719a443a (diff)
perf evsel: Introduce mmap support
Out of the code in 'perf top'. Record is next in line. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evsel.h')
-rw-r--r--tools/perf/util/evsel.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 1594696bd12..c8fbef29943 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -29,19 +29,23 @@ struct perf_evsel {
struct perf_event_attr attr;
char *filter;
struct xyarray *fd;
+ struct xyarray *mmap;
struct perf_counts *counts;
+ size_t mmap_len;
int idx;
void *priv;
};
struct cpu_map;
struct thread_map;
+struct perf_evlist;
struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
void perf_evsel__delete(struct perf_evsel *evsel);
int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
+int perf_evsel__alloc_mmap(struct perf_evsel *evsel, int ncpus, int nthreads);
void perf_evsel__free_fd(struct perf_evsel *evsel);
void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
@@ -51,6 +55,10 @@ int perf_evsel__open_per_thread(struct perf_evsel *evsel,
struct thread_map *threads, bool group, bool inherit);
int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
struct thread_map *threads, bool group, bool inherit);
+int perf_evsel__mmap(struct perf_evsel *evsel, struct cpu_map *cpus,
+ struct thread_map *threads, int pages,
+ struct perf_evlist *evlist);
+void perf_evsel__munmap(struct perf_evsel *evsel, int ncpus, int nthreads);
#define perf_evsel__match(evsel, t, c) \
(evsel->attr.type == PERF_TYPE_##t && \