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 67BFDC07E9D for ; Thu, 29 Sep 2022 08:22:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235046AbiI2IWa (ORCPT ); Thu, 29 Sep 2022 04:22:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43904 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234299AbiI2IWY (ORCPT ); Thu, 29 Sep 2022 04:22:24 -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 9CF8212BD9D for ; Thu, 29 Sep 2022 01:22:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1664439742; 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=GvL840Kk8DVZlJW6RhVLU2un7rLr7tAXkBGCR+lZrQE=; b=NFfZuHRbVWcL6ptQh504+acJlXnRKpcVjtOJaJyfL4y7HlHu9NXS1Ak2hJm25FhHSBNB2z YoE/m+t7m/ZVHxwpWDNzo6nR5y3t5+tbZ9rQLWyDZGXjwN433HL89liO9PLhbtJYNu9eVE E4zWd8Y4LzVXP85MYm6v/arBPcunhUo= Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-214-88NvP7gWNgyU4pVso-awVQ-1; Thu, 29 Sep 2022 04:22:18 -0400 X-MC-Unique: 88NvP7gWNgyU4pVso-awVQ-1 Received: by mail-wr1-f70.google.com with SMTP id k6-20020adfc706000000b0022cc19d5dd2so226453wrg.7 for ; Thu, 29 Sep 2022 01:22:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date; bh=GvL840Kk8DVZlJW6RhVLU2un7rLr7tAXkBGCR+lZrQE=; b=vJ7wd0jBssy5raWdkBmd8FcTZ9jngcj7rpztAUn+BtAkyn97Qhga3k6ztBpMdzmHrS uVNFUjS+uUXL1guz5p50zfR5sfQxnw/7OoRz8GCmd2AYeJA7kNf5+ZkWnTfWHbuxfYzQ 7Ngm7KcuN7huo+dejqtoAYIjPsJQavOcAMozeY5K1KP0FskKTSYJs55vHTOHLnsOZmDt NqjzBvoQ6FNx89AFCPdW8GDc9Qcqo0Y30johvLWaia1xWDsouBuJAdLPtS421Qi+XZqh atZ3oYLWmDqdqHyzZucAUVdE8VuDmvlu7jZlNj+tXjfe+gLtckNmLvRzwq/Jhz+D1FLt xeFg== X-Gm-Message-State: ACrzQf2g76qFnIOCZGZX7eqIe/pMTn2dS5sXZOxzoxqdwCli2145+Xm4 K6pcfxqzNBnV7Uz0hQNAvsVG5JWw184Lc0JhGWEtv6sx4E12+ZtDT38lHwHHqe4segPbQXBcr+r NbcADHlNsq+W3q3aOQLP5vZE= X-Received: by 2002:adf:d1ea:0:b0:22a:9cd2:3557 with SMTP id g10-20020adfd1ea000000b0022a9cd23557mr1322399wrd.675.1664439737524; Thu, 29 Sep 2022 01:22:17 -0700 (PDT) X-Google-Smtp-Source: AMsMyM6Paxa2225xl2216kWRIszih5KIxmpPHxmbkA9MH7KHLBii/qgGz+O5Ynrk5avN7HVsCEPm/A== X-Received: by 2002:adf:d1ea:0:b0:22a:9cd2:3557 with SMTP id g10-20020adfd1ea000000b0022a9cd23557mr1322386wrd.675.1664439737376; Thu, 29 Sep 2022 01:22:17 -0700 (PDT) Received: from localhost (cpc111743-lutn13-2-0-cust979.9-3.cable.virginm.net. [82.17.115.212]) by smtp.gmail.com with ESMTPSA id g15-20020a5d554f000000b0022cc7c32309sm2331237wrw.115.2022.09.29.01.22.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Sep 2022 01:22:16 -0700 (PDT) Date: Thu, 29 Sep 2022 09:22:16 +0100 From: Aaron Tomlin To: Rafael Folco 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 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 Message-ID: <20220929082216.vbkyzbxhsq2ixjdm@ava.usersys.com> X-PGP-Key: http://pgp.mit.edu/pks/lookup?search=atomlin%40redhat.com X-PGP-Fingerprint: 7906 84EB FA8A 9638 8D1E 6E9B E2DE 9658 19CC 77D6 References: <20220924152227.819815-1-atomlin@redhat.com> <20220924152227.819815-5-atomlin@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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