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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 2DF8DC43460 for ; Wed, 12 May 2021 11:35:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE1CD613CD for ; Wed, 12 May 2021 11:35:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230353AbhELLg3 (ORCPT ); Wed, 12 May 2021 07:36:29 -0400 Received: from mx2.suse.de ([195.135.220.15]:43094 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230114AbhELLg2 (ORCPT ); Wed, 12 May 2021 07:36:28 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 67EE0AF1F; Wed, 12 May 2021 11:35:19 +0000 (UTC) Date: Wed, 12 May 2021 12:35:16 +0100 From: Mel Gorman To: Peter Zijlstra Cc: tglx@linutronix.de, mingo@kernel.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com, bsingharora@gmail.com, pbonzini@redhat.com, maz@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, riel@surriel.com, hannes@cmpxchg.org Subject: Re: [PATCH 6/6] [RFC] delayacct: Default disabled Message-ID: <20210512113516.GG3672@suse.de> References: <20210505105940.190490250@infradead.org> <20210505111525.308018373@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20210505111525.308018373@infradead.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 05, 2021 at 12:59:46PM +0200, Peter Zijlstra wrote: > Assuming this stuff isn't actually used much; disable it by default > and avoid allocating and tracking the task_delay_info structure. > > taskstats is changed to still report the regular sched and sched_info > and only skip the missing task_delay_info fields instead of not > reporting anything. > > Signed-off-by: Peter Zijlstra (Intel) Acked-by: Mel Gorman -- Mel Gorman SUSE Labs