diff options
Diffstat (limited to 'tools/perf/util/evlist.c')
-rw-r--r-- | tools/perf/util/evlist.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 0f9cd703e725..6cda5a311ba5 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -607,6 +607,8 @@ static struct mmap *evlist__alloc_mmap(struct evlist *evlist, return NULL; for (i = 0; i < evlist->core.nr_mmaps; i++) { + struct perf_mmap *prev = i ? &map[i - 1].core : NULL; + /* * When the perf_mmap() call is made we grab one refcount, plus * one extra to let perf_mmap__consume() get the last @@ -616,7 +618,7 @@ static struct mmap *evlist__alloc_mmap(struct evlist *evlist, * Each PERF_EVENT_IOC_SET_OUTPUT points to this mmap and * thus does perf_mmap__get() on it. */ - perf_mmap__init(&map[i].core, overwrite, perf_mmap__unmap_cb); + perf_mmap__init(&map[i].core, prev, overwrite, perf_mmap__unmap_cb); } return map; |