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 B7B86C43217 for ; Wed, 9 Nov 2022 17:47:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231843AbiKIRrN (ORCPT ); Wed, 9 Nov 2022 12:47:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229915AbiKIRqu (ORCPT ); Wed, 9 Nov 2022 12:46:50 -0500 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95ADC659C; Wed, 9 Nov 2022 09:46:49 -0800 (PST) Received: by mail-pf1-x430.google.com with SMTP id b29so17354695pfp.13; Wed, 09 Nov 2022 09:46:49 -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=6ybVelHPiskCNH6fllR2RvI9SCAjZ5b8Tt7/oz7w9lQ=; b=geMmBOuPjKLU7pZSlNSnodyozLusn2++H+Pw70vxMxbmq15wKDGv6FL5Z/ll7loMfO mykYxcAlwZu+6RuzIUfhDrT4FqpyCcE6ArZQs+zEorfLZKbKzLQxNfzje7SNyx0BiM+k r1s9Jo9YixWegrENQn2JhWwexzwFrbZqqxt7vgD3ciVF775rFb+LZVa0RXSFnDE1ejWR p2LspXjdsXc1Rr1SeQKdKUk19DcSc5gxX0esRx7M4RA5Xb/rRZaokVDKpU2wkNnYR5j6 l0BEFwS64dW3GjiMKfidGR/FsI31Hq3ARg9vRtkKbn/oOefG1QFsoDnU4/zme6KSRCfk kk6Q== 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=6ybVelHPiskCNH6fllR2RvI9SCAjZ5b8Tt7/oz7w9lQ=; b=uh+eq9DYtTmyBE2o2SoMUGQBj2CIX/fE69/Geul6vfPVJ7/AfW/bqzqjQwDWA4gP9P uEXXGIw4EvS0XwpHIegyK9IsXxH0hWj+p4K0dlJq6pjX5CcVcgSKHRNT9G96bSu1LKZG cMFM8xAtG5L+Mf9sFpKm16FVHRkbU+kbIxr8Zvtdd/Jr4iFzNG6SkdyI0lbpfQS+ZwTz 6GCX8luIkJe9FzcViGXkTvYHs2OHNEGpVrJy31D7siGjC7Y3VhcaqLGiYRxojM/I7/96 A0hjjaH2uSOU71+3l0z5IvhgwImP7/2KlA9e704ORsKbp1UQ02tk7d3ERYuKZSWTYRdo 98Pg== X-Gm-Message-State: ACrzQf2gmbp4xy+5D96KozoCiKx8SKKxvsVzh7LeDleHbt9Qa71d7n0q HzmLqoPAqpHSxQpSmMWH1PDYJICamuk= X-Google-Smtp-Source: AMsMyM68dIkYNdoIe11g5ikpXyS4mnncrLtkdb4tGofE+urFF1T/3A897D65pznzj70ZuL+6pm3CaQ== X-Received: by 2002:a63:1206:0:b0:470:18c:1489 with SMTP id h6-20020a631206000000b00470018c1489mr36187235pgl.357.1668016009081; Wed, 09 Nov 2022 09:46:49 -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.39.2022.11.09.09.46.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Nov 2022 09:46:48 -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 09/12] perf test: Add 'brstack' test workload Date: Wed, 9 Nov 2022 09:46:32 -0800 Message-Id: <20221109174635.859406-10-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-perf-users@vger.kernel.org The brstack is to run different kinds of branches repeatedly. This is necessary for brstack test case to verify if it has correct branch info. $ perf test -w brstack I renamed the internal functions to have brstack_ prefix as it's too generic name. Signed-off-by: Namhyung Kim --- tools/perf/tests/builtin-test.c | 1 + tools/perf/tests/tests.h | 1 + tools/perf/tests/workloads/Build | 2 ++ tools/perf/tests/workloads/brstack.c | 39 ++++++++++++++++++++++++++++ 4 files changed, 43 insertions(+) create mode 100644 tools/perf/tests/workloads/brstack.c diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 9acb7a93eeb9..69fa56939309 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -123,6 +123,7 @@ static struct test_workload *workloads[] = { &workload__thloop, &workload__leafloop, &workload__sqrtloop, + &workload__brstack, }; static int num_subtests(const struct test_suite *t) diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index 18c40319e67c..dc96f59cac2e 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -204,5 +204,6 @@ DECLARE_WORKLOAD(noploop); DECLARE_WORKLOAD(thloop); DECLARE_WORKLOAD(leafloop); DECLARE_WORKLOAD(sqrtloop); +DECLARE_WORKLOAD(brstack); #endif /* TESTS_H */ diff --git a/tools/perf/tests/workloads/Build b/tools/perf/tests/workloads/Build index 1ca95cb0fdb5..c933cdcf91d1 100644 --- a/tools/perf/tests/workloads/Build +++ b/tools/perf/tests/workloads/Build @@ -4,5 +4,7 @@ perf-y += noploop.o perf-y += thloop.o perf-y += leafloop.o perf-y += sqrtloop.o +perf-y += brstack.o CFLAGS_leafloop.o = -g -O0 -fno-inline -fno-omit-frame-pointer +CFLAGS_brstack.o = -g -O0 -fno-inline diff --git a/tools/perf/tests/workloads/brstack.c b/tools/perf/tests/workloads/brstack.c new file mode 100644 index 000000000000..61c9a9f24b43 --- /dev/null +++ b/tools/perf/tests/workloads/brstack.c @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include +#include "../tests.h" + + +#define BENCH_RUNS 999999 + +static volatile int cnt; + +static void brstack_bar(void) { +} /* return */ + +static void brstack_foo(void) { + brstack_bar(); /* call */ +} /* return */ + +static void brstack_bench(void) { + void (*brstack_foo_ind)(void) = brstack_foo; + + if ((cnt++) % 3) /* branch (cond) */ + brstack_foo(); /* call */ + brstack_bar(); /* call */ + brstack_foo_ind(); /* call (ind) */ +} + +static int brstack(int argc, const char **argv) +{ + if (argc > 0) + cnt = atoi(argv[0]); + + while (1) { + if ((cnt++) > BENCH_RUNS) + break; + brstack_bench();/* call */ + } /* branch (uncond) */ + return 0; +} + +DEFINE_WORKLOAD(brstack); -- 2.38.1.431.g37b22c650d-goog