From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47052C433FF for ; Tue, 30 Jul 2019 19:05:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 150E720659 for ; Tue, 30 Jul 2019 19:05:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="n9KfG1qG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726713AbfG3TFC (ORCPT ); Tue, 30 Jul 2019 15:05:02 -0400 Received: from terminus.zytor.com ([198.137.202.136]:35699 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725840AbfG3TFC (ORCPT ); Tue, 30 Jul 2019 15:05:02 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x6UJ4nil3339797 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 30 Jul 2019 12:04:49 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 terminus.zytor.com x6UJ4nil3339797 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019071901; t=1564513490; bh=seLcXPfEsR+vXTuWWvwbh7YQgP0yONLgPSNXSUOpugk=; h=Date:From:Cc:Reply-To:In-Reply-To:References:To:Subject:From; b=n9KfG1qGc67dLQb03glfT6RP+NaqjCqHDwjW6YmtmeeylxeycCrBZ1bRnxS0UTMg0 WXM6VVWZ6UH63zoEA3zQsDjtcDbak7+KO+GrkRSBXGvtI03XfCuDt+Vq0TLpmMPdLZ GLqNrBp+IkTUr4SI9G47hjFK7MwuVTqhfyExUAs0m/YmD4GdzNDufwZFeE4NmTtDWf VD4uEyoB+1oUErKF16FT3gl1fRLDsPiX8QYeWeZnJ+qOGRI+M0+Ig+zKZMtPwdlrve Rht2c7qmhEJBNQbGidoYcVcQDgZinaIvf2a2ZtJypErOCA2d/wbD3li5MtMdzcdF4U 7H8y9URmV9d/Q== Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x6UJ4mGR3339793; Tue, 30 Jul 2019 12:04:48 -0700 Date: Tue, 30 Jul 2019 12:04:48 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Jiri Olsa Message-ID: Cc: alexey.budankov@linux.intel.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, hpa@zytor.com, ak@linux.intel.com, jolsa@kernel.org, mingo@kernel.org, peterz@infradead.org, acme@redhat.com, namhyung@kernel.org, alexander.shishkin@linux.intel.com, mpetlan@redhat.com Reply-To: mingo@kernel.org, jolsa@kernel.org, mpetlan@redhat.com, alexander.shishkin@linux.intel.com, tglx@linutronix.de, ak@linux.intel.com, hpa@zytor.com, alexey.budankov@linux.intel.com, peterz@infradead.org, linux-kernel@vger.kernel.org, namhyung@kernel.org, acme@redhat.com In-Reply-To: <20190721112506.12306-77-jolsa@kernel.org> References: <20190721112506.12306-77-jolsa@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] libperf: Add perf_evsel tests Git-Commit-ID: bb5133ae4d404a8a08d8a94dfdea1c477c93e842 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: bb5133ae4d404a8a08d8a94dfdea1c477c93e842 Gitweb: https://git.kernel.org/tip/bb5133ae4d404a8a08d8a94dfdea1c477c93e842 Author: Jiri Olsa AuthorDate: Sun, 21 Jul 2019 13:25:03 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Mon, 29 Jul 2019 18:34:47 -0300 libperf: Add perf_evsel tests Add 2 simple perf_evsel tests to test counters reading interface through the struct evsel object. Committer testing: # make -C tools/perf/lib tests make: Entering directory '/home/acme/git/perf/tools/perf/lib' LINK test-cpumap-a LINK test-threadmap-a LINK test-evlist-a LINK test-evsel-a LINK test-cpumap-so LINK test-threadmap-so LINK test-evlist-so LINK test-evsel-so running static: - running test-cpumap.c...OK - running test-threadmap.c...OK - running test-evlist.c...OK - running test-evsel.c...OK running dynamic: - running test-cpumap.c...OK - running test-threadmap.c...OK - running test-evlist.c...OK - running test-evsel.c...OK make: Leaving directory '/home/acme/git/perf/tools/perf/lib' # Signed-off-by: Jiri Olsa Tested-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Alexey Budankov Cc: Andi Kleen Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20190721112506.12306-77-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/lib/tests/Makefile | 2 +- tools/perf/lib/tests/test-evsel.c | 82 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 83 insertions(+), 1 deletion(-) diff --git a/tools/perf/lib/tests/Makefile b/tools/perf/lib/tests/Makefile index e66ed090f08e..1ee4e9ba848b 100644 --- a/tools/perf/lib/tests/Makefile +++ b/tools/perf/lib/tests/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) -TESTS = test-cpumap test-threadmap test-evlist +TESTS = test-cpumap test-threadmap test-evlist test-evsel TESTS_SO := $(addsuffix -so,$(TESTS)) TESTS_A := $(addsuffix -a,$(TESTS)) diff --git a/tools/perf/lib/tests/test-evsel.c b/tools/perf/lib/tests/test-evsel.c new file mode 100644 index 000000000000..268712292f60 --- /dev/null +++ b/tools/perf/lib/tests/test-evsel.c @@ -0,0 +1,82 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include +#include +#include +#include + +static int test_stat_cpu(void) +{ + struct perf_cpu_map *cpus; + struct perf_evsel *evsel; + struct perf_event_attr attr = { + .type = PERF_TYPE_SOFTWARE, + .config = PERF_COUNT_SW_CPU_CLOCK, + }; + int err, cpu, tmp; + + cpus = perf_cpu_map__new(NULL); + __T("failed to create cpus", cpus); + + evsel = perf_evsel__new(&attr); + __T("failed to create evsel", evsel); + + err = perf_evsel__open(evsel, cpus, NULL); + __T("failed to open evsel", err == 0); + + perf_cpu_map__for_each_cpu(cpu, tmp, cpus) { + struct perf_counts_values counts = { .val = 0 }; + + perf_evsel__read(evsel, cpu, 0, &counts); + __T("failed to read value for evsel", counts.val != 0); + } + + perf_evsel__close(evsel); + perf_evsel__delete(evsel); + + perf_cpu_map__put(cpus); + return 0; +} + +static int test_stat_thread(void) +{ + struct perf_counts_values counts = { .val = 0 }; + struct perf_thread_map *threads; + struct perf_evsel *evsel; + struct perf_event_attr attr = { + .type = PERF_TYPE_SOFTWARE, + .config = PERF_COUNT_SW_TASK_CLOCK, + }; + int err; + + threads = perf_thread_map__new_dummy(); + __T("failed to create threads", threads); + + perf_thread_map__set_pid(threads, 0, 0); + + evsel = perf_evsel__new(&attr); + __T("failed to create evsel", evsel); + + err = perf_evsel__open(evsel, NULL, threads); + __T("failed to open evsel", err == 0); + + perf_evsel__read(evsel, 0, 0, &counts); + __T("failed to read value for evsel", counts.val != 0); + + perf_evsel__close(evsel); + perf_evsel__delete(evsel); + + perf_thread_map__put(threads); + return 0; +} + +int main(int argc, char **argv) +{ + __T_START; + + test_stat_cpu(); + test_stat_thread(); + + __T_OK; + return 0; +}