Messages in this thread Patch in this message | | | From | He Kuang <> | Subject | [PATCH 1/2] perf evlist: Fix inverted logic in perf_mmap__empty | Date | Tue, 7 Apr 2015 17:31:10 +0800 |
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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> --- tools/perf/util/evlist.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 82bf224..76ef7ee 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -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) -- 2.3.3.220.g9ab698f
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