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 7993CEB64DC for ; Mon, 10 Jul 2023 20:34:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231817AbjGJUev (ORCPT ); Mon, 10 Jul 2023 16:34:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45726 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231330AbjGJUet (ORCPT ); Mon, 10 Jul 2023 16:34:49 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 423A9195 for ; Mon, 10 Jul 2023 13:34:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1689021239; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=lJI+QBvgwcjI/292fBS/27avXozoLMIj5iHUDycp5v0=; b=WyGXVjMxe83Chzvr2Q3vnJyzuRQNMno7UUHyjzl0gMM2cRKU+OwpETua3RlimWwU56SFZy ARa2UoQQtK8np1FTiiryXZuiEoLebyAdoN0qA5y0eyVeR523iZVDWQUbisGRvULVGWRUX6 cmsIQEso0Eg4GSC2K+GQc9yjovCpDgc= Received: from mail-qk1-f200.google.com (mail-qk1-f200.google.com [209.85.222.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-640-1ZfCNy_tMZGHh_KN8xTygQ-1; Mon, 10 Jul 2023 16:33:58 -0400 X-MC-Unique: 1ZfCNy_tMZGHh_KN8xTygQ-1 Received: by mail-qk1-f200.google.com with SMTP id af79cd13be357-765a632f342so531312485a.0 for ; Mon, 10 Jul 2023 13:33:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689021238; x=1691613238; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=lJI+QBvgwcjI/292fBS/27avXozoLMIj5iHUDycp5v0=; b=hcTl4jOMW5+XHHlN+0a+xleryw/4+hgbTj4JVh+zIoE2KXYvbrtEzqiKlReCpkQyw+ d9/FW9EESZFA1mKPlrS9KMFsZNHHBB4tOiAmkNVqUFfnpP8VcVcg5Kqa8p29aubEU5T1 n6EpORjFvNnlTDwpyC760YEx0LzA1guqwEY+mmLHcDhHv1VVFNBauuvL1yminpnFmKaO 1oidi/KBfBH4Hvv0KAKJwQzWG/B/nUU43shyg0OemVK/LTSZ8hLv/+XWVbyyP2TucHpY baRXMYhrIC7cvqzRQgrJENLzi/QeRX34OZ1UMr5adz1yke9qWA29fy/+dWTolCKSSNHh HjRw== X-Gm-Message-State: ABy/qLYfURQhWzt9UNX1sXa2mXVdEhd2FliqAPVC3ZM05vLl20wL4F2n W79+nOhrdK232spDg2ThXr/fjRMLF3Xu0tsC6A4Q3r588Jtm972lVXhAZs5CPh7H/o0XqgakNqp l3WWMurJjhRxbj1FtuniR9XNq X-Received: by 2002:a05:620a:40d2:b0:766:f9a5:c80e with SMTP id g18-20020a05620a40d200b00766f9a5c80emr16902829qko.61.1689021237870; Mon, 10 Jul 2023 13:33:57 -0700 (PDT) X-Google-Smtp-Source: APBJJlGe8Q24G/iQIwNmz+NfeqMejT5Gv3zwZfeqQL2PzLsUm2UrW6Azy1utNSi/7fDeS7vcjIUNcA== X-Received: by 2002:a05:620a:40d2:b0:766:f9a5:c80e with SMTP id g18-20020a05620a40d200b00766f9a5c80emr16902816qko.61.1689021237674; Mon, 10 Jul 2023 13:33:57 -0700 (PDT) Received: from vschneid.remote.csb ([154.57.232.159]) by smtp.gmail.com with ESMTPSA id e9-20020a05620a12c900b00767ccf42f3csm221739qkl.66.2023.07.10.13.33.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Jul 2023 13:33:57 -0700 (PDT) From: Valentin Schneider To: Tim Chen , Peter Zijlstra Cc: Juri Lelli , Vincent Guittot , Ricardo Neri , "Ravi V . Shankar" , Ben Segall , Daniel Bristot de Oliveira , Dietmar Eggemann , Len Brown , Mel Gorman , "Rafael J . Wysocki" , Srinivas Pandruvada , Steven Rostedt , Tim Chen , Ionela Voinescu , x86@kernel.org, linux-kernel@vger.kernel.org, Shrikanth Hegde , Srikar Dronamraju , naveen.n.rao@linux.vnet.ibm.com, Yicong Yang , Barry Song , Chen Yu , Hillf Danton Subject: Re: [Patch v3 6/6] sched/debug: Dump domains' sched group flags In-Reply-To: References: Date: Mon, 10 Jul 2023 21:33:53 +0100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/07/23 15:57, Tim Chen wrote: > From: "Peter Zijlstra (Intel)" > > There have been a case where the SD_SHARE_CPUCAPACITY sched group flag > in a parent domain were not set and propagated properly when a degenerate > domain is removed. > > Add dump of domain sched group flags of a CPU to make debug easier > in the future. > > Usage: > cat /debug/sched/domains/cpu0/domain1/groups_flags > to dump cpu0 domain1's sched group flags. > > Signed-off-by: Tim Chen Reviewed-by: Valentin Schneider