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=-12.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 435EEC43387 for ; Wed, 9 Jan 2019 07:13:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1A4C420821 for ; Wed, 9 Jan 2019 07:13:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729834AbfAIHNb (ORCPT ); Wed, 9 Jan 2019 02:13:31 -0500 Received: from terminus.zytor.com ([198.137.202.136]:55101 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729473AbfAIHNb (ORCPT ); Wed, 9 Jan 2019 02:13:31 -0500 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x097Bwxr3855652 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 8 Jan 2019 23:11:58 -0800 Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x097Bw2g3855649; Tue, 8 Jan 2019 23:11:58 -0800 Date: Tue, 8 Jan 2019 23:11:58 -0800 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Florian Fainelli Message-ID: Cc: peterz@infradead.org, tmricht@linux.ibm.com, f.fainelli@gmail.com, ravi.bangoria@linux.ibm.com, linux-kernel@vger.kernel.org, kim.phillips@arm.com, namhyung@kernel.org, rmk+kernel@armlinux.org.uk, l.stach@pengutronix.de, jolsa@kernel.org, alexander.shishkin@linux.intel.com, mingo@kernel.org, hpa@zytor.com, tglx@linutronix.de, gregkh@linuxfoundation.org, cphealy@gmail.com, acme@redhat.com Reply-To: l.stach@pengutronix.de, rmk+kernel@armlinux.org.uk, ravi.bangoria@linux.ibm.com, linux-kernel@vger.kernel.org, kim.phillips@arm.com, namhyung@kernel.org, f.fainelli@gmail.com, tmricht@linux.ibm.com, peterz@infradead.org, tglx@linutronix.de, gregkh@linuxfoundation.org, cphealy@gmail.com, acme@redhat.com, hpa@zytor.com, alexander.shishkin@linux.intel.com, mingo@kernel.org, jolsa@kernel.org In-Reply-To: <20181221034337.26663-3-f.fainelli@gmail.com> References: <20181221034337.26663-3-f.fainelli@gmail.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/urgent] perf tests: Add a test for the ARM 32-bit [vectors] page Git-Commit-ID: 21327c7843e9169d5e2e527713e60e6c9842a56c X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 21327c7843e9169d5e2e527713e60e6c9842a56c Gitweb: https://git.kernel.org/tip/21327c7843e9169d5e2e527713e60e6c9842a56c Author: Florian Fainelli AuthorDate: Thu, 20 Dec 2018 19:43:37 -0800 Committer: Arnaldo Carvalho de Melo CommitDate: Tue, 8 Jan 2019 13:28:13 -0300 perf tests: Add a test for the ARM 32-bit [vectors] page perf on ARM requires CONFIG_KUSER_HELPERS to be turned on to allow some independance with respect to the ARM CPU being used. Add a test which tries to locate the [vectors] page, created when CONFIG_KUSER_HELPERS is turned on to help asses the system's health. Signed-off-by: Florian Fainelli Acked-by: Jiri Olsa Cc: Alexander Shishkin Cc: Chris Healy Cc: Greg Kroah-Hartman Cc: Kim Phillips Cc: Lucas Stach Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Ravi Bangoria Cc: Russell King Cc: Thomas Gleixner Cc: Thomas Richter Link: http://lkml.kernel.org/r/20181221034337.26663-3-f.fainelli@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/arch/arm/tests/Build | 1 + tools/perf/arch/arm/tests/arch-tests.c | 4 ++++ tools/perf/arch/arm/tests/vectors-page.c | 24 ++++++++++++++++++++++++ tools/perf/tests/tests.h | 5 +++++ 4 files changed, 34 insertions(+) diff --git a/tools/perf/arch/arm/tests/Build b/tools/perf/arch/arm/tests/Build index 883c57ff0c08..d9ae2733f9cc 100644 --- a/tools/perf/arch/arm/tests/Build +++ b/tools/perf/arch/arm/tests/Build @@ -1,4 +1,5 @@ libperf-y += regs_load.o libperf-y += dwarf-unwind.o +libperf-y += vectors-page.o libperf-y += arch-tests.o diff --git a/tools/perf/arch/arm/tests/arch-tests.c b/tools/perf/arch/arm/tests/arch-tests.c index 5b1543c98022..6848101a855f 100644 --- a/tools/perf/arch/arm/tests/arch-tests.c +++ b/tools/perf/arch/arm/tests/arch-tests.c @@ -10,6 +10,10 @@ struct test arch_tests[] = { .func = test__dwarf_unwind, }, #endif + { + .desc = "Vectors page", + .func = test__vectors_page, + }, { .func = NULL, }, diff --git a/tools/perf/arch/arm/tests/vectors-page.c b/tools/perf/arch/arm/tests/vectors-page.c new file mode 100644 index 000000000000..7ffdd79971c8 --- /dev/null +++ b/tools/perf/arch/arm/tests/vectors-page.c @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include +#include + +#include "debug.h" +#include "tests/tests.h" +#include "util/find-map.c" + +#define VECTORS__MAP_NAME "[vectors]" + +int test__vectors_page(struct test *test __maybe_unused, + int subtest __maybe_unused) +{ + void *start, *end; + + if (find_map(&start, &end, VECTORS__MAP_NAME)) { + pr_err("%s not found, is CONFIG_KUSER_HELPERS enabled?\n", + VECTORS__MAP_NAME); + return TEST_FAIL; + } + + return TEST_OK; +} diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index b82f55fcc294..399f18ca71a3 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -119,4 +119,9 @@ int test__arch_unwind_sample(struct perf_sample *sample, struct thread *thread); #endif #endif + +#if defined(__arm__) +int test__vectors_page(struct test *test, int subtest); +#endif + #endif /* TESTS_H */