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=-12.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 908D0C76195 for ; Sun, 21 Jul 2019 11:33:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5F7592054F for ; Sun, 21 Jul 2019 11:33:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563708783; bh=bh2EZHD2EhiNj66f9RaPIh8aTI0Yrw3fWUQcUs1bxVQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fvsH/+c6Psf8SlWMKtQuXajI90bfyiDLOUZzv14OMLcaCPB7em6Vfv18MTkKaodI0 GMcaB+4UjxUgBOGYEZpLRvWQq8xcHvgPV7PKgoeyt8eAegWEST0j8CwCIcEt1PJ7gV pi5FF8PfPmgwYDMUnfOIkhD7XXwNA/aOBO1+0Ans= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727544AbfGULdC (ORCPT ); Sun, 21 Jul 2019 07:33:02 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38372 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726390AbfGULdA (ORCPT ); Sun, 21 Jul 2019 07:33:00 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A2CE9883D7; Sun, 21 Jul 2019 11:32:59 +0000 (UTC) Received: from krava.redhat.com (ovpn-204-23.brq.redhat.com [10.40.204.23]) by smtp.corp.redhat.com (Postfix) with ESMTP id E532D5D9D3; Sun, 21 Jul 2019 11:32:55 +0000 (UTC) From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , Ingo Molnar , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Andi Kleen , Alexey Budankov , Michael Petlan Subject: [PATCH 76/79] libperf: Add perf_evsel tests Date: Sun, 21 Jul 2019 13:25:03 +0200 Message-Id: <20190721112506.12306-77-jolsa@kernel.org> In-Reply-To: <20190721112506.12306-1-jolsa@kernel.org> References: <20190721112506.12306-1-jolsa@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Sun, 21 Jul 2019 11:32:59 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add 2 simple perf_evsel tests to test counters reading interface through the struct evsel object. Link: http://lkml.kernel.org/n/tip-0u2226ojf8zpb4jbvdz108yh@git.kernel.org Signed-off-by: Jiri Olsa --- tools/perf/lib/tests/Makefile | 2 +- tools/perf/lib/tests/test-evsel.c | 82 +++++++++++++++++++++++++++++++ 2 files changed, 83 insertions(+), 1 deletion(-) create mode 100644 tools/perf/lib/tests/test-evsel.c 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; +} -- 2.21.0