From: Kan Liang <kan.li...@intel.com>
This patch fixes a bug for perf diff.
Without mmap2, perf diff fails to find the symbol name. The default
symbol sort key doesn't work well.
Signed-off-by: Kan Liang <kan.li...@intel.com>
Acked-by: Namhyung Kim <namhy...@kernel.org>
---
tools/perf/builtin-diff.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 25114c9..1ce425d 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -357,6 +357,7 @@ static int diff__process_sample_event(struct perf_tool
*tool __maybe_unused,
static struct perf_tool tool = {
.sample = diff__process_sample_event,
.mmap = perf_event__process_mmap,
+ .mmap2 = perf_event__process_mmap2,
.comm = perf_event__process_comm,
.exit = perf_event__process_exit,
.fork = perf_event__process_fork,
--
1.8.3.2
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