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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11AF3C433FE for ; Wed, 16 Nov 2022 23:39:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234763AbiKPXjZ (ORCPT ); Wed, 16 Nov 2022 18:39:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60712 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233862AbiKPXjH (ORCPT ); Wed, 16 Nov 2022 18:39:07 -0500 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60CFC68299; Wed, 16 Nov 2022 15:39:05 -0800 (PST) Received: by mail-pj1-x1031.google.com with SMTP id o7so124904pjj.1; Wed, 16 Nov 2022 15:39:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:sender:from:to:cc:subject:date :message-id:reply-to; bh=P97FeOGLA96wHsbLefL56s9RPadISI4phF1+HGdaCPc=; b=RwHw2BwEHSGoTMuF7srFdB0iTSrzA5Co9VTFtPfLOesT5GtJEK+x1MBkPa+CtMTuvJ OwP4Js8lrEhxWpT3SZD8xoGEHrwrDyTB8ST+vgtBEqKzHk9qGGsOQm7LedjCysHf46dn BXhHddbyamCHzJoLz4TV28pufnBQGWda7k+jKuIP5Uk4VfHg9iHzONJSHg6N7bCOWAAZ h8euoDw7pWXt7hL2j8HlGCjS/u6zFlU2ipGfe37X7Cn6wcvYthXASQ3LFOaUJQfbJxTU CSZIRER9R8jqrCIWrSPPSialTSA64JgvczLcBYfh+C5AGr0ACEh1wYsgSSwNh9XKPr1O 4aRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:sender:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=P97FeOGLA96wHsbLefL56s9RPadISI4phF1+HGdaCPc=; b=dA9EXCOF/ypPqEMt1Baj3bVwx0HTHWB44uorK+0d8bvXvq3rDc49czIffWwmEqDoWP 6VxFeAnwiFyaETG4SyOqU3m4s1BysySluE6Vd8zHXPBdnFdExEM4JsLA4sSZ1VvHTPpb GW6WQWlVnd1VETgjZla0ktIHXblyAr6vxYRvKJFVISERfb+4moNzybEYYIxiWKQTLUQg JFn5GRsYDHmrPsRtNqFXRX2zmCVDA/MXfgAiMx90AxaVfS9BMCO5UERlrm/r2LDdO/hm km58UutlAJXj/tq68mvfxFwiK17H8EZdtNBeAkkJEDoZ2gcCxAOcFd2rdWKf0VTXquCK 7TTw== X-Gm-Message-State: ANoB5pkhqwWaNiMULtCwRmg4LKwqcLBUdc5skjvHu77W141Jh/+jXynI nJDrTFk3wtR8VDqDSOmrtPpp9rsn3GU= X-Google-Smtp-Source: AA0mqf6JFIuDbsU0yf3mLlggr6bRiu0ln6zUBgJrjvrseY5Bt5vFt0lDGhKmzve3EXl1M6lBKbHawg== X-Received: by 2002:a17:903:25d1:b0:176:71be:cc64 with SMTP id jc17-20020a17090325d100b0017671becc64mr53625plb.141.1668641944771; Wed, 16 Nov 2022 15:39:04 -0800 (PST) Received: from youngsil.svl.corp.google.com ([2620:15c:2d4:203:5b40:ce8c:1f7c:9acc]) by smtp.gmail.com with ESMTPSA id bc10-20020a170902930a00b00188ef3ea2b6sm95929plb.262.2022.11.16.15.39.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Nov 2022 15:39:04 -0800 (PST) Sender: Namhyung Kim From: Namhyung Kim To: Arnaldo Carvalho de Melo , Jiri Olsa Cc: Ingo Molnar , Peter Zijlstra , LKML , Ian Rogers , Adrian Hunter , linux-perf-users@vger.kernel.org, Leo Yan , German Gomez , Zhengjun Xing , James Clark , Athira Jajeev Subject: [PATCH 05/12] perf test: Add 'leafloop' test workload Date: Wed, 16 Nov 2022 15:38:47 -0800 Message-Id: <20221116233854.1596378-6-namhyung@kernel.org> X-Mailer: git-send-email 2.38.1.584.g0f3c55d4c2-goog In-Reply-To: <20221116233854.1596378-1-namhyung@kernel.org> References: <20221116233854.1596378-1-namhyung@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The leafloop workload is to run an infinite loop in the test_leaf function. This is needed for the ARM fp callgraph test to verify if it gets the correct callchains. $ perf test -w leafloop Signed-off-by: Namhyung Kim --- tools/perf/tests/builtin-test.c | 1 + tools/perf/tests/tests.h | 1 + tools/perf/tests/workloads/Build | 3 +++ tools/perf/tests/workloads/leafloop.c | 34 +++++++++++++++++++++++++++ 4 files changed, 39 insertions(+) create mode 100644 tools/perf/tests/workloads/leafloop.c diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 161f38476e77..0ed5ac452f6e 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -121,6 +121,7 @@ static struct test_suite **tests[] = { static struct test_workload *workloads[] = { &workload__noploop, &workload__thloop, + &workload__leafloop, }; static int num_subtests(const struct test_suite *t) diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index e6edfeeadaeb..86804dd6452b 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -202,5 +202,6 @@ struct test_workload workload__##work = { \ /* The list of test workloads */ DECLARE_WORKLOAD(noploop); DECLARE_WORKLOAD(thloop); +DECLARE_WORKLOAD(leafloop); #endif /* TESTS_H */ diff --git a/tools/perf/tests/workloads/Build b/tools/perf/tests/workloads/Build index b8964b1099c0..631596bdb2b3 100644 --- a/tools/perf/tests/workloads/Build +++ b/tools/perf/tests/workloads/Build @@ -2,3 +2,6 @@ perf-y += noploop.o perf-y += thloop.o +perf-y += leafloop.o + +CFLAGS_leafloop.o = -g -O0 -fno-inline -fno-omit-frame-pointer diff --git a/tools/perf/tests/workloads/leafloop.c b/tools/perf/tests/workloads/leafloop.c new file mode 100644 index 000000000000..1bf5cc97649b --- /dev/null +++ b/tools/perf/tests/workloads/leafloop.c @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include +#include +#include "../tests.h" + +/* We want to check these symbols in perf script */ +noinline void leaf(volatile int b); +noinline void parent(volatile int b); + +static volatile int a; + +noinline void leaf(volatile int b) +{ + for (;;) + a += b; +} + +noinline void parent(volatile int b) +{ + leaf(b); +} + +static int leafloop(int argc, const char **argv) +{ + int c = 1; + + if (argc > 0) + c = atoi(argv[0]); + + parent(c); + return 0; +} + +DEFINE_WORKLOAD(leafloop); -- 2.38.1.584.g0f3c55d4c2-goog