diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-29 09:08:13 -0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-29 16:24:40 -0200 |
| commit | 7bb41152b9be7e31f10d8919bce5034135525d9d (patch) | |
| tree | 4a79423cd6f01f5e61251e6058ed41427230f63b /tools/perf/util/evsel.c | |
| parent | ef2bf6d043ac9bd4a6f38d862af407154a4754d9 (diff) | |
perf evlist: Support non overwrite mode in perf_evlist__read_on_cpu
I.e. stash the overwrite mode in struct perf_evlist and act accordingly
in perf_evlist__read_on_cpu, not checking for overwrites and touching
the tail after consuming one event, like perf record does, for instance.
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.c')
| -rw-r--r-- | tools/perf/util/evsel.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 76ab553637d..f98b3e58503 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -327,6 +327,7 @@ int perf_evlist__mmap(struct perf_evlist *evlist, struct cpu_map *cpus, perf_evlist__alloc_pollfd(evlist, cpus->nr, threads->nr) < 0) return -ENOMEM; + evlist->overwrite = overwrite; evlist->mmap_len = (pages + 1) * page_size; first_evsel = list_entry(evlist->entries.next, struct perf_evsel, node); |