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[2620:137:e000::1:20]) by mx.google.com with ESMTP id wt6-20020a170906ee8600b00780328a0868si10503033ejb.110.2022.09.29.06.15.11; Thu, 29 Sep 2022 06:15:37 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=JdYDXM8t; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235170AbiI2Mt4 (ORCPT + 99 others); Thu, 29 Sep 2022 08:49:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57924 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234971AbiI2Mtx (ORCPT ); Thu, 29 Sep 2022 08:49:53 -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 07FAA4BD36 for ; Thu, 29 Sep 2022 05:49:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1664455788; 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=IyvAXBczFokO0b56jpD+DUjX6Pkc7ql0K+hq5adeAA4=; b=JdYDXM8tIAZeJywymWeOM2/Yi9swXp40THc6H9KZaFuWa7jwLfytWqrL1mvvfy+V+BGRyQ Idt0n6X7keVAcdb++sWMLxSp05CmrQW7u7OpSi/ETNNEHVgBSmawdfRjjXKKIqzkvXQUeJ PTsh5/O19EhvfyNPjvgTAHqsor8gb2o= Received: from mail-pl1-f200.google.com (mail-pl1-f200.google.com [209.85.214.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-64-5mzu7nZBOw6WaNKB16WevA-1; Thu, 29 Sep 2022 08:49:47 -0400 X-MC-Unique: 5mzu7nZBOw6WaNKB16WevA-1 Received: by mail-pl1-f200.google.com with SMTP id h11-20020a170902f54b00b001780f0f7ea7so965513plf.9 for ; Thu, 29 Sep 2022 05:49:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date; bh=IyvAXBczFokO0b56jpD+DUjX6Pkc7ql0K+hq5adeAA4=; b=pEK1EHMMr114e4sUzFOX2SdwIo5YCzP2mn+ww1OBbFLjUepJv8pdQ0njngCL9u3kh+ mkiuhbCgPfZAzHNFFdD8TitOT0kIa+p1NGihAsjLvvDSqwDUOK6EIrN2F3ezJDD6RxqA Xt4uiehzLdjH+jmRZ1f7b+ZTfvAslRKkr82Ot0Q+kRZjZ4luCRg/XHXiYTOJlZmmwnUd RcmMPKtatSSxYpmJ/qew3Wgr6dHVCUHCYUQUQZCkjN6wLLJpC38ujkWfKXYxTyOK1iTj IiUgQeIfrqITbD5F2g1lCapu3u14pWwLS3/xNLUt/+mq9lH4fPuUGm/4ELD8T/DT/wjO A4nQ== X-Gm-Message-State: ACrzQf3SY25MqKdhpnu/pNp0N2XHx0LpU9iRSmfYd8eCtYWj8xMhPrgo v8p6XTXf+1ZOoJZKNmk+EZ+ox8owl7aqrJ75xPkUgeiFTo1qLmW9YW8kmN4AG+2kADjfCXUyH2/ rzULJG6QdCFz+8pGTo0jHkHDBlYcEtHO7jS11hOQI X-Received: by 2002:a17:902:d88b:b0:178:264b:5aa4 with SMTP id b11-20020a170902d88b00b00178264b5aa4mr3327486plz.44.1664455785638; Thu, 29 Sep 2022 05:49:45 -0700 (PDT) X-Received: by 2002:a17:902:d88b:b0:178:264b:5aa4 with SMTP id b11-20020a170902d88b00b00178264b5aa4mr3327473plz.44.1664455785337; Thu, 29 Sep 2022 05:49:45 -0700 (PDT) MIME-Version: 1.0 References: <20220924152227.819815-1-atomlin@redhat.com> <20220924152227.819815-5-atomlin@redhat.com> <20220929082216.vbkyzbxhsq2ixjdm@ava.usersys.com> In-Reply-To: <20220929082216.vbkyzbxhsq2ixjdm@ava.usersys.com> From: Rafael Folco Date: Thu, 29 Sep 2022 09:49:33 -0300 Message-ID: Subject: Re: [PATCH v8 4/5] tick/nohz_full: Ensure quiet_vmstat() is called on exit to user-mode when the idle tick is stopped To: Aaron Tomlin Cc: frederic@kernel.org, mtosatti@redhat.com, cl@linux.com, tglx@linutronix.de, mingo@kernel.org, peterz@infradead.org, pauld@redhat.com, neelx@redhat.com, oleksandr@natalenko.name, atomlin@atomlin.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Yes, please do. Thanks! On Thu, Sep 29, 2022 at 5:22 AM Aaron Tomlin wrote: > > On Tue 2022-09-27 13:17 -0300, Rafael Folco wrote: > > Tested this patch w/ nohz_full setup and oslat 8h run on isolated cpus, max > > latency is 7us versus 15us without the patch. > > Thanks. > > Hi Rafael, > > Good news. Thanks for the feedback. > May I add Tested-by: ? > > > Kind regards, > > -- > Aaron Tomlin > -- Folco