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 55DCCC433FF for ; Tue, 30 Jul 2019 03:02:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 281F62171F for ; Tue, 30 Jul 2019 03:02:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564455745; bh=bw7TeQ/DjJdj0desmQ1hE8iAY07f4w4dwbPqZvoFuI0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=VB81Wgu9+IZFpVutdoE21FkqDV4PYJXXvEBhPQw81Ys64vZlLyvF3w9OsS9xztC8N Juznpd4g81+QW5fvd7Qj9XdVy6JqfURjGK2xAoMQQG+xjBOHOUNmU3zVjBIQ8yItL8 XtKt9EfV5pMPZ9WlnuBIsJGzM4ayNq1WgWo8CTkk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732807AbfG3DCX (ORCPT ); Mon, 29 Jul 2019 23:02:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:51682 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732790AbfG3DCV (ORCPT ); Mon, 29 Jul 2019 23:02:21 -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 B6CAF206DD; Tue, 30 Jul 2019 03:02:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564455739; bh=bw7TeQ/DjJdj0desmQ1hE8iAY07f4w4dwbPqZvoFuI0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fSOzvdSpFtLmbToWjrMSi2w+3FFv5/hgjBlyQbBknn+vfV/1vRrNNnx8wdfZszNux FA/AhqAEv6Xz6HyaFpDMOcyh8EOSJjeco6tqmT6rBvUFg+KE8FTxahI3bhK9+ZS93x tWgKNEE40cA6DaQ+H+9FKoTEp3frCLTWoMgoL9p4= 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 105/107] libperf: Add perf_evsel__enable/disable test Date: Mon, 29 Jul 2019 23:56:08 -0300 Message-Id: <20190730025610.22603-106-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 simple perf_evsel enable/disable test together with evsel counter reading interface. 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/20190721112506.12306-79-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/lib/tests/test-evsel.c | 43 +++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/tools/perf/lib/tests/test-evsel.c b/tools/perf/lib/tests/test-evsel.c index 268712292f60..2c648fe5617e 100644 --- a/tools/perf/lib/tests/test-evsel.c +++ b/tools/perf/lib/tests/test-evsel.c @@ -70,12 +70,55 @@ static int test_stat_thread(void) return 0; } +static int test_stat_thread_enable(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, + .disabled = 1, + }; + 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); + + err = perf_evsel__enable(evsel); + __T("failed to enable evsel", err == 0); + + perf_evsel__read(evsel, 0, 0, &counts); + __T("failed to read value for evsel", counts.val != 0); + + err = perf_evsel__disable(evsel); + __T("failed to enable evsel", err == 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(); + test_stat_thread_enable(); __T_OK; return 0; -- 2.21.0