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=-9.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 03C41C433E5 for ; Wed, 22 Jul 2020 12:49:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D0BD620729 for ; Wed, 22 Jul 2020 12:49:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595422190; bh=9bO/CzlUBTjOYs2zyy1HJs8h4p36huP1Q1qYFobCpFE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=XQzGZqFM4dOeOoLpK7IKCpEcPRNwvtmlKFuYAaUnFk6fEtNlxuP+T11hT11pm7/AK G45Y6iq/plJZpHeMdMmsRAyeqDMS9uOM/q6zbwNWoTRV2vOA2NmJOitnipz+E7xpUY trVHLg17LMpMdpNcHoOV9KTxRj7hJXUZKOoalI/E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732379AbgGVMtt (ORCPT ); Wed, 22 Jul 2020 08:49:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:46284 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726161AbgGVMts (ORCPT ); Wed, 22 Jul 2020 08:49:48 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 2E0CB206C1; Wed, 22 Jul 2020 12:49:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595422187; bh=9bO/CzlUBTjOYs2zyy1HJs8h4p36huP1Q1qYFobCpFE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=R017QB32BaN0BRff70sDEikYHqmQ4xHZjQF0RpE552UGWlfJwzcxTozos7SDhsCqS rGd9v4+sI0Pq/PzqzTI9UM3dH++mUbPzU/YeTRaOQftlGhI6eQze+RtLHuzN+5Na31 xTUN9qBJBvh1PFeNdGOxcGjKKe+WNOFDJlAG+4UE= Date: Wed, 22 Jul 2020 14:49:53 +0200 From: Greg Kroah-Hartman To: Naresh Kamboju Cc: open list , Linus Torvalds , Andrew Morton , Guenter Roeck , Shuah Khan , patches@kernelci.org, Ben Hutchings , lkft-triage@lists.linaro.org, linux- stable , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , jolsa@redhat.com, Namhyung Kim , Leo Yan , Basil Eljuse Subject: Re: [PATCH 5.7 000/243] 5.7.10-rc2 review Message-ID: <20200722124953.GE3155653@kroah.com> References: <20200720191523.845282610@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 21, 2020 at 02:59:22PM +0530, Naresh Kamboju wrote: > On Tue, 21 Jul 2020 at 00:46, Greg Kroah-Hartman > wrote: > > > > This is the start of the stable review cycle for the 5.7.10 release. > > There are 243 patches in this series, all will be posted as a response > > to this one. If anyone has any issues with these being applied, please > > let me know. > > > > Responses should be made by Wed, 22 Jul 2020 19:14:36 +0000. > > Anything received after that time might be too late. > > > > The whole patch series can be found in one patch at: > > https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.7.10-rc2.gz > > or in the git tree and branch at: > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.7.y > > and the diffstat can be found below. > > > > thanks, > > > > greg k-h > > Results from Linaro’s test farm. > Regressions detected on arm and arm64 (Juno-r2) > We are bisecting this problem and get back to you soon. > > perf test cases failed > perf: > * Track-with-sched_switch > * perf_record_test > * perf_report_test > > Bad case: > [ perf record: Woken up 1 times to write data ] > [ perf record: Captured and wrote 0.002 MB perf-lava-test.data ] > > when it was pass it prints number of samples like below, > Good case: > [ perf record: Woken up 1 times to write data ] > [ perf record: Captured and wrote 0.004 MB perf-lava-test.data (46 samples) ] > > steps to reproduce: > # perf record -e cycles -o perf-lava-test.data ls -a 2>&1 | tee perf-record.log > > Link to full test: > https://qa-reports.linaro.org/lkft/linux-stable-rc-5.7-oe/build/v5.7.9-244-g7d2e5723ce4a/testrun/2969482/suite/perf/test/perf_record_test/log > > test case: > https://github.com/Linaro/test-definitions/blob/master/automated/linux/perf/perf.sh Any hint by bisection as to what this problem is caused by? thanks, greg k-h