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 E56EBE9270D for ; Thu, 5 Oct 2023 15:47:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234229AbjJEPri (ORCPT ); Thu, 5 Oct 2023 11:47:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47748 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234164AbjJEPqy (ORCPT ); Thu, 5 Oct 2023 11:46:54 -0400 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C436C171B; Thu, 5 Oct 2023 08:03:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=iHAf7jWn4AFLuX97gU5Z8DbUhjosgkowpL/+kl6b9d8=; b=L7UDMuAq0V25DfiTfhqwzTuRsT vks+pp9DpR2rykwgFNcaF81HM0np9Z7QSEsuxf2530nG6aJH11nvuO5/wCNCcKDjJAxSEOX4GUlds U10U4HSNcdVtzuc0OFWRYS/EwLyomLn/3yUvx+xkimub3MUwBnLtmWPKEmd1i04KKn0i4zQC5dPr4 T7h3oIUEJKjMul4p62hPOS3m3SqxivwYNvwnfkzlZ/GUVEHh4HiAS4iMJlDtUIAvqq9SB9LwK7gWr ogspK9+FUfwEC17r+cR1eGQZ/erc93N8WzxWq8et9ZcI29qAApLYG3+RVgdTlOPN9xkwj9XpuYm4W pYZ/NzHA==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qoPsP-00BmXu-0H; Thu, 05 Oct 2023 15:02:58 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 34EB6300451; Thu, 5 Oct 2023 17:02:58 +0200 (CEST) Date: Thu, 5 Oct 2023 17:02:58 +0200 From: Peter Zijlstra To: Biju Das Cc: "m.szyprowski@samsung.com" , "bsegall@google.com" , "bristot@redhat.com" , "chris.hyser@oracle.com" , "corbet@lwn.net" , "dietmar.eggemann@arm.com" , "efault@gmx.de" , "gregkh@linuxfoundation.org" , "joel@joelfernandes.org" , "joshdon@google.com" , "juri.lelli@redhat.com" , "kprateek.nayak@amd.com" , "linux-kernel@vger.kernel.org" , "mingo@kernel.org" , "patrick.bellasi@matbug.net" , Pavel Machek , "pjt@google.com" , "qperret@google.com" , "qyousef@layalina.io" , "rostedt@goodmis.org" , "tglx@linutronix.de" , "tim.c.chen@linux.intel.com" , "timj@gnu.org" , "vincent.guittot@linaro.org" , "youssefesmat@chromium.org" , "yu.c.chen@intel.com" , "mgorman@suse.de" , "linux-renesas-soc@vger.kernel.org" Subject: Re: [PATCH] sched/fair: fix pick_eevdf to always find the correct se Message-ID: <20231005150258.GA36277@noisy.programming.kicks-ass.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 05, 2023 at 07:31:34AM +0000, Biju Das wrote: > [ 26.099203] EEVDF scheduling fail, picking leftmost This, that the problem.. the rest is just noise because printk stinks. Weirdly have not seen that trigger, and I've been running with this patch on for a few days now :/