From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vasily Averin Subject: Re: [PATCH] percpu: improve percpu_alloc_percpu event trace Date: Fri, 6 May 2022 10:52:30 +0300 Message-ID: <2b388d09-940e-990f-1f8a-2fdaa9210fa0@openvz.org> References: <8d627f02-183f-c4e7-7c15-77b2b438536b@openvz.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=openvz-org.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language :from:to:cc:references:in-reply-to:content-transfer-encoding; bh=LbwqLZPNjAVAGchFJpgdUXESVOy5RrVk4EawuoFFTlM=; b=GZn+Eatwi9msnEaiiuXKK3haDVt8cFLEFeWrtWgkIDrh/sFvPdajeBLE0LV8qTSKOy 2dpUaZxHUW9ao+Tn/O+xNebjQBfxeeSoe5YgSeolObFLprDooWECch2w3ZxRr+BwubK3 dm2zLgPdUo4gneJqSKKvrTkL/NtEir4+1p8bguVsn7xPvbt8JU33WbFzbYqx5nvCVY3R d5nM7ZsbuFaaGVcztnoDLOH2wFeaMTEs8U2kZ6/f+ZPktivu9km54F5Y3A+46fBmOFib PWtdR6uhF5bdavHFiBEv9ek8xuR8xmN+Az5yppLfeFbGOgK75q6RqwP3DnBoCbUCyfgV 4N6w== Content-Language: en-US In-Reply-To: <8d627f02-183f-c4e7-7c15-77b2b438536b-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org> List-ID: Content-Type: text/plain; charset="us-ascii" To: Shakeel Butt , Steven Rostedt , Ingo Molnar Cc: kernel-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Roman Gushchin , Vlastimil Babka , Michal Hocko , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Andrew Morton , Dennis Zhou , Tejun Heo , Christoph Lameter , linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org On 5/6/22 07:46, Vasily Averin wrote: > Added bytes_alloc and gfp_flags fields to the output of the > percpu_alloc_percpu ftrace event. This is required to track > memcg-accounted percpu allocations. Perhaps it makes sense to add call_site too... 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 21529C433EF for ; Fri, 6 May 2022 07:52:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1389725AbiEFH4U (ORCPT ); Fri, 6 May 2022 03:56:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238977AbiEFH4Q (ORCPT ); Fri, 6 May 2022 03:56:16 -0400 Received: from mail-lf1-x12f.google.com (mail-lf1-x12f.google.com [IPv6:2a00:1450:4864:20::12f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30D8C5DD31 for ; Fri, 6 May 2022 00:52:34 -0700 (PDT) Received: by mail-lf1-x12f.google.com with SMTP id b18so11234320lfv.9 for ; Fri, 06 May 2022 00:52:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=openvz-org.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language :from:to:cc:references:in-reply-to:content-transfer-encoding; bh=LbwqLZPNjAVAGchFJpgdUXESVOy5RrVk4EawuoFFTlM=; b=GZn+Eatwi9msnEaiiuXKK3haDVt8cFLEFeWrtWgkIDrh/sFvPdajeBLE0LV8qTSKOy 2dpUaZxHUW9ao+Tn/O+xNebjQBfxeeSoe5YgSeolObFLprDooWECch2w3ZxRr+BwubK3 dm2zLgPdUo4gneJqSKKvrTkL/NtEir4+1p8bguVsn7xPvbt8JU33WbFzbYqx5nvCVY3R d5nM7ZsbuFaaGVcztnoDLOH2wFeaMTEs8U2kZ6/f+ZPktivu9km54F5Y3A+46fBmOFib PWtdR6uhF5bdavHFiBEv9ek8xuR8xmN+Az5yppLfeFbGOgK75q6RqwP3DnBoCbUCyfgV 4N6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:from:to:cc:references:in-reply-to :content-transfer-encoding; bh=LbwqLZPNjAVAGchFJpgdUXESVOy5RrVk4EawuoFFTlM=; b=sUDSRU5F94bp1Y7N/HOCceSJifYDk11bJBd4UXuCTmH/tt068DFla0yND+WHgJqJ2A RA25K5mmG/m894cjkf4vFNkmfMrmjUZKgLVfGGIK3JNSbPDTXNX6qd0OM8l2FWiq9IyJ X/Ne1vVFzyb+r9PHbjQL8dagELnQqW5ggPdHcJC07J54Deo3abUCJlmHHasxjvNrviDJ sToO83i7MO6o7W+bYb3g8fLvMOVrSRCLt5lRLoGo0vZ+JZIVuy3aXZYPsd5HHT/lmSL3 KQUgfJyPlhAwT7s9QRBAQVLZ+muQuvDRcFovFLYh3WloAt86sVV/kGmcBviq01lyn/oh mT2A== X-Gm-Message-State: AOAM532jfUGsxzAdC0Dxk5cBKRutkbtaGvMl1vg6OndcVgIHheD6I852 i4jXJgx6tu6bO17N1EQOGQ3TIQ== X-Google-Smtp-Source: ABdhPJyu6pI3KdaS41jgby/EzI6xF/ZRhmlcPU94kpwkrj2/WyirEJqyTMQW+gcy3KZIzGnsvqJTjw== X-Received: by 2002:a05:6512:b0e:b0:44a:a5a0:f60e with SMTP id w14-20020a0565120b0e00b0044aa5a0f60emr1644981lfu.669.1651823552540; Fri, 06 May 2022 00:52:32 -0700 (PDT) Received: from [192.168.1.65] ([46.188.121.177]) by smtp.gmail.com with ESMTPSA id b4-20020a0565120b8400b0047255d21196sm572848lfv.197.2022.05.06.00.52.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 May 2022 00:52:31 -0700 (PDT) Message-ID: <2b388d09-940e-990f-1f8a-2fdaa9210fa0@openvz.org> Date: Fri, 6 May 2022 10:52:30 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH] percpu: improve percpu_alloc_percpu event trace Content-Language: en-US From: Vasily Averin To: Shakeel Butt , Steven Rostedt , Ingo Molnar Cc: kernel@openvz.org, linux-kernel@vger.kernel.org, Roman Gushchin , Vlastimil Babka , Michal Hocko , cgroups@vger.kernel.org, Andrew Morton , Dennis Zhou , Tejun Heo , Christoph Lameter , linux-mm@kvack.org References: <8d627f02-183f-c4e7-7c15-77b2b438536b@openvz.org> In-Reply-To: <8d627f02-183f-c4e7-7c15-77b2b438536b@openvz.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/6/22 07:46, Vasily Averin wrote: > Added bytes_alloc and gfp_flags fields to the output of the > percpu_alloc_percpu ftrace event. This is required to track > memcg-accounted percpu allocations. Perhaps it makes sense to add call_site too...