Commit 8ea92ceb authored Apr 07, 2015 by He Kuang Committed by Arnaldo Carvalho de Melo Apr 08, 2015

perf evlist: Fix inverted logic in perf_mmap__empty



perf_evlist__mmap_consume() uses perf_mmap__empty() to judge whether
perf_mmap is empty and can be released. But the result is inverted so
fix it.

Signed-off-by: He Kuang <hekuang@huawei.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1428399071-7141-1-git-send-email-hekuang@huawei.com


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 6645f318

tools/perf/util/evlist.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -695,7 +695,7 @@ union perf_event perf_evlist__mmap_read(struct perf_evlist evlist, int idx)

		static bool perf_mmap__empty(struct perf_mmap *md)
		{
		return perf_mmap__read_head(md) != md->prev;
		return perf_mmap__read_head(md) == md->prev;
		}

		static void perf_evlist__mmap_get(struct perf_evlist *evlist, int idx)