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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 C4852C76186 for ; Tue, 30 Jul 2019 03:02:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 92DD4216C8 for ; Tue, 30 Jul 2019 03:02:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564455738; bh=Ru/awM1Wdi+TeP8fL1DWVvy1WECVE+gkngLXzs4wnxk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=QYcndhhMGJRacbrSOp/kwSDiAI86NS7S+Jxvplzl4IRvwgXGQmm9nxj7OBKeTzRi3 fPDDqjxI8CIP0zToctli4niB+uH/3G22uWc/TjRjb4NFxoKcskvQUTA46XjFveGp3x mHnGOWbVPPCYl00tznFZhiEa6p0Njg7hiJjyZr80= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732782AbfG3DCR (ORCPT ); Mon, 29 Jul 2019 23:02:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:51566 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732723AbfG3DCN (ORCPT ); Mon, 29 Jul 2019 23:02:13 -0400 Received: from quaco.ghostprotocols.net (unknown [179.97.35.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9EA2B208E3; Tue, 30 Jul 2019 03:02:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564455732; bh=Ru/awM1Wdi+TeP8fL1DWVvy1WECVE+gkngLXzs4wnxk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WTYpA7x/eK8CWlLu7BBNhRRuzuB+Z5CD6uXRP/M7ayAG6hl6WkfzR9J81s9XuSB7h Wte41rMlAnUj7MCF4ymiVdIRCc1koLPuRf5E3r7ZeX4ZksyjOU1AJgvP1GsN0QSqRO INVR3PsEkCfNeuksXRou6U9Zv9MYcC2P9JnOXFbk= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Alexander Shishkin , Alexey Budankov , Andi Kleen , Michael Petlan , Peter Zijlstra Subject: [PATCH 103/107] libperf: Add perf_evsel tests Date: Mon, 29 Jul 2019 23:56:06 -0300 Message-Id: <20190730025610.22603-104-acme@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190730025610.22603-1-acme@kernel.org> References: <20190730025610.22603-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiri Olsa 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(-) 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