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 02639C4332F for ; Wed, 9 Nov 2022 17:47:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231848AbiKIRrB (ORCPT ); Wed, 9 Nov 2022 12:47:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231786AbiKIRqp (ORCPT ); Wed, 9 Nov 2022 12:46:45 -0500 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CC9B656A; Wed, 9 Nov 2022 09:46:44 -0800 (PST) Received: by mail-pj1-x1033.google.com with SMTP id l22-20020a17090a3f1600b00212fbbcfb78so2535333pjc.3; Wed, 09 Nov 2022 09:46:44 -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=ekBIIhWuS/McjnSrAfG5owEyQPc2NQJYCb6tIV2JExs=; b=qajXQrHHC/YSACOZC+77puLxlEZ+ohDov+N7tJCH2gZ3y9Za4tDul+D9HftTfkXgVS ZkADKrCg3t9ZelEiFcPQhAMnNGUAtfUA9sdiVOvaemwZ4em3dfOPrn0a8Hk8Vvib7GwI fxAR/TT7JllxYQ/nqbqkFvsCOEnUzVZpOyHeZYl6rb4jXNQBjQtLTN3IYQzBhX/TEpVG lReBse2V8JHcaT1M2Uxkpl/dur6oEGwPfbHPU4gX977RFaPaMWdfjnGBSFNeuZiq4O/I UhCrUgc5L2HOJOnWaVxkTR/TaMqZBijVsngJa0q68oBfJ83gI4uLwaIYlWxISOoMeSO9 zEpA== 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=ekBIIhWuS/McjnSrAfG5owEyQPc2NQJYCb6tIV2JExs=; b=o6n8JxfBmtCRJXqV6ZIBgbTWLxI+kkVxUecCeY24nokU2KPxz7Jz9gVRRBK5tlmIHE Jr8ibdT05mFTXtWIGRwAMI1mZDKsGqQcmq/iHuEuzpBIfwVPCA7B8/wzYwd3M01SlPgc V4kABr9OH80579G96JTEju/37OxVh2l8IoCU8253o/tY1S157Olyna+CqX7NS3loT3a5 3SPbpHbNhrkaXJrPsRZj54vfPr5SJLBgTokSzw6k+ffFzQ8lnD5PhVvIwgyWOHTGARTE BfxwLMzYoxPdRbJSIctawIUSU4Clm8+al9NXOE5bVFDuAsfiYeq+RhNmejC2spEc32Dw iWMA== X-Gm-Message-State: ACrzQf1Ze7QRVsxCD8x032/BnTfAAIm9CSGgst9NAQaf5ytRgUnM/qzd q6Pu08GSgI6byOb+0eCMJ/w= X-Google-Smtp-Source: AMsMyM4L0pXYAkYvRkwDlndKpOtM5JFNENBKSObbMv9B8Ghf/sbHxGqCFNkh2fZ3NGB5pyuFwEI5vQ== X-Received: by 2002:a17:902:7590:b0:187:29fe:bdb1 with SMTP id j16-20020a170902759000b0018729febdb1mr50187346pll.134.1668016004011; Wed, 09 Nov 2022 09:46:44 -0800 (PST) Received: from balhae.corp.google.com ([2620:15c:2c1:200:fa05:f3cd:da75:3103]) by smtp.gmail.com with ESMTPSA id a10-20020a63cd4a000000b0043941566481sm7877909pgj.39.2022.11.09.09.46.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Nov 2022 09:46:43 -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 Subject: [PATCH 05/12] perf test: Add 'leafloop' test workload Date: Wed, 9 Nov 2022 09:46:28 -0800 Message-Id: <20221109174635.859406-6-namhyung@kernel.org> X-Mailer: git-send-email 2.38.1.431.g37b22c650d-goog In-Reply-To: <20221109174635.859406-1-namhyung@kernel.org> References: <20221109174635.859406-1-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); -- 2.38.1.431.g37b22c650d-goog