From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Wang Nan <wangnan0@huawei.com>
Cc: linux-kernel@vger.kernel.org, kan.liang@intel.com,
jolsa@redhat.com, namhyung@kernel.org
Subject: Re: [PATCH 4/7] perf tests: Set evlist of test__basic_mmap() to !overwrite
Date: Mon, 13 Nov 2017 15:31:46 -0300 [thread overview]
Message-ID: <20171113183146.GD8836@kernel.org> (raw)
In-Reply-To: <20171113013809.212417-5-wangnan0@huawei.com>
Em Mon, Nov 13, 2017 at 01:38:06AM +0000, Wang Nan escreveu:
> In this test, a large ring buffer is required so all events can feed into,
> so overwrite or not is meaningless.
>
> Change to !overwrite so following commits can remove this argument.
applied
> Signed-off-by: Wang Nan <wangnan0@huawei.com>
> ---
> tools/perf/tests/mmap-basic.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
> index bc8a70e..667d696 100644
> --- a/tools/perf/tests/mmap-basic.c
> +++ b/tools/perf/tests/mmap-basic.c
> @@ -93,7 +93,7 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse
> expected_nr_events[i] = 1 + rand() % 127;
> }
>
> - if (perf_evlist__mmap(evlist, 128, true) < 0) {
> + if (perf_evlist__mmap(evlist, 128, false) < 0) {
> pr_debug("failed to mmap events: %d (%s)\n", errno,
> str_error_r(errno, sbuf, sizeof(sbuf)));
> goto out_delete_evlist;
> --
> 2.10.1
next prev parent reply other threads:[~2017-11-13 18:31 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-13 1:38 [PATCH 0/7] perf tools: Clarify overwrite and backward, bugfix Wang Nan
2017-11-13 1:38 ` [PATCH 1/7] perf mmap: Fix perf backward recording Wang Nan
2017-11-13 1:38 ` [PATCH 2/7] perf tests: Set evlist of test__backward_ring_buffer() to !overwrite Wang Nan
2017-11-13 18:30 ` Arnaldo Carvalho de Melo
2017-11-18 8:30 ` [tip:perf/core] " tip-bot for Wang Nan
2017-11-13 1:38 ` [PATCH 3/7] perf tests: Set evlist of test__sw_clock_freq() " Wang Nan
2017-11-13 18:31 ` Arnaldo Carvalho de Melo
2017-11-18 8:30 ` [tip:perf/core] " tip-bot for Wang Nan
2017-11-13 1:38 ` [PATCH 4/7] perf tests: Set evlist of test__basic_mmap() " Wang Nan
2017-11-13 18:31 ` Arnaldo Carvalho de Melo [this message]
2017-11-18 8:31 ` [tip:perf/core] " tip-bot for Wang Nan
2017-11-13 1:38 ` [PATCH 5/7] perf tests: Set evlist of test__task_exit() " Wang Nan
2017-11-13 18:32 ` Arnaldo Carvalho de Melo
2017-11-18 8:31 ` [tip:perf/core] " tip-bot for Wang Nan
2017-11-13 1:38 ` [PATCH 6/7] perf tools: Remove 'overwrite' concept from code level Wang Nan
2017-11-13 11:52 ` Jiri Olsa
2017-11-13 15:07 ` Liang, Kan
2017-11-13 1:38 ` [PATCH 7/7] perf tools: Remove prot field in mmap param Wang Nan
2017-11-13 11:52 ` Jiri Olsa
2017-11-13 11:52 ` Jiri Olsa
2017-11-13 14:49 ` [PATCH 0/7] perf tools: Clarify overwrite and backward, bugfix Liang, Kan
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