linux-kernel - [PATCH 3/7] perf tests: Set evlist of test__sw_clock

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Date:   Mon, 13 Nov 2017 01:38:05 +0000
From:   Wang Nan <wangnan0@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <kan.liang@...el.com>,
        <acme@...nel.org>, <jolsa@...hat.com>, <namhyung@...nel.org>
CC:     Wang Nan <wangnan0@...wei.com>
Subject: [PATCH 3/7] perf tests: Set evlist of test__sw_clock_freq() to !overwrite

Unsetting overwrite when calling perf_evlist__mmap is harmless. This commit
passes false to it, makes following commits eliminate the overwrite argument
easier.

Signed-off-by: Wang Nan <wangnan0@...wei.com>
---
 tools/perf/tests/sw-clock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c
index d88511f..c468e6c 100644
--- a/tools/perf/tests/sw-clock.c
+++ b/tools/perf/tests/sw-clock.c
@@ -77,7 +77,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id)
 		goto out_delete_evlist;
 	}
 
-	err = perf_evlist__mmap(evlist, 128, true);
+	err = perf_evlist__mmap(evlist, 128, false);
 	if (err < 0) {
 		pr_debug("failed to mmap event: %d (%s)\n", errno,
 			 str_error_r(errno, sbuf, sizeof(sbuf)));
-- 
2.10.1