From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753268AbeCFGwU (ORCPT ); Tue, 6 Mar 2018 01:52:20 -0500 Received: from terminus.zytor.com ([198.137.202.136]:50819 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752800AbeCFGwS (ORCPT ); Tue, 6 Mar 2018 01:52:18 -0500 Date: Mon, 5 Mar 2018 22:51:08 -0800 From: tip-bot for Kan Liang Message-ID: Cc: wangnan0@huawei.com, tglx@linutronix.de, mingo@kernel.org, kan.liang@linux.intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, ak@linux.intel.com, jolsa@redhat.com, acme@redhat.com, namhyung@kernel.org Reply-To: wangnan0@huawei.com, kan.liang@linux.intel.com, tglx@linutronix.de, mingo@kernel.org, ak@linux.intel.com, linux-kernel@vger.kernel.org, hpa@zytor.com, namhyung@kernel.org, acme@redhat.com, jolsa@redhat.com In-Reply-To: <1519945751-37786-10-git-send-email-kan.liang@linux.intel.com> References: <1519945751-37786-10-git-send-email-kan.liang@linux.intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf test: Switch to new perf_mmap__read_event() interface for time-to-tsc Git-Commit-ID: 9dfb85dfaffe6bc38f0c9f8a8622e2a7ca333e58 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 9dfb85dfaffe6bc38f0c9f8a8622e2a7ca333e58 Gitweb: https://git.kernel.org/tip/9dfb85dfaffe6bc38f0c9f8a8622e2a7ca333e58 Author: Kan Liang AuthorDate: Thu, 1 Mar 2018 18:09:07 -0500 Committer: Arnaldo Carvalho de Melo CommitDate: Mon, 5 Mar 2018 10:50:23 -0300 perf test: Switch to new perf_mmap__read_event() interface for time-to-tsc The perf test 'time-to-tsc' still use the legacy interface. No functional change. Commiter notes: Testing it: # perf test tsc 57: Convert perf time to TSC : Ok # Signed-off-by: Kan Liang Tested-by: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/r/1519945751-37786-10-git-send-email-kan.liang@linux.intel.com [ Changed bool parameters from 0 to 'false', as per Jiri comment ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/arch/x86/tests/perf-time-to-tsc.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/tools/perf/arch/x86/tests/perf-time-to-tsc.c b/tools/perf/arch/x86/tests/perf-time-to-tsc.c index 06abe8108b33..7f82d91ef473 100644 --- a/tools/perf/arch/x86/tests/perf-time-to-tsc.c +++ b/tools/perf/arch/x86/tests/perf-time-to-tsc.c @@ -60,6 +60,8 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe union perf_event *event; u64 test_tsc, comm1_tsc, comm2_tsc; u64 test_time, comm1_time = 0, comm2_time = 0; + struct perf_mmap *md; + u64 end, start; threads = thread_map__new(-1, getpid(), UINT_MAX); CHECK_NOT_NULL__(threads); @@ -109,7 +111,11 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe perf_evlist__disable(evlist); for (i = 0; i < evlist->nr_mmaps; i++) { - while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { + md = &evlist->mmap[i]; + if (perf_mmap__read_init(md, false, &start, &end) < 0) + continue; + + while ((event = perf_mmap__read_event(md, false, &start, end)) != NULL) { struct perf_sample sample; if (event->header.type != PERF_RECORD_COMM || @@ -128,8 +134,9 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe comm2_time = sample.time; } next_event: - perf_evlist__mmap_consume(evlist, i); + perf_mmap__consume(md, false); } + perf_mmap__read_done(md); } if (!comm1_time || !comm2_time)