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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 552E3C433F5 for ; Mon, 27 Sep 2021 15:43:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3BE0560F3A for ; Mon, 27 Sep 2021 15:43:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235284AbhI0Po7 (ORCPT ); Mon, 27 Sep 2021 11:44:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235281AbhI0Po4 (ORCPT ); Mon, 27 Sep 2021 11:44:56 -0400 Received: from mail-ed1-x533.google.com (mail-ed1-x533.google.com [IPv6:2a00:1450:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0ED74C061575; Mon, 27 Sep 2021 08:43:18 -0700 (PDT) Received: by mail-ed1-x533.google.com with SMTP id v18so35805915edc.11; Mon, 27 Sep 2021 08:43:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Qlcc/wRWjVCOzhNQn26TjPzzhllhlD0uZ0dcQsuvCOI=; b=Lghy197Op89Rz0QE1V1paJ2AHKVKbUHzvBosZt1g8cXNl6MJHK/V6ghe98wvxn63o/ QLFPsjs2Mpgd2/ucdkJCvIpCb7tOi6ANPHQhn+Q1WQ3Eg7KjVHjdV2VQf1v3Npw37rMT q+d0a0jEsyDpdCoZ4DYaBU2FXVCjOI594qb1W28eeDT+KLiD0l2TTubBJhPClZYoUkv0 ISc8vfyS/oLmUOEoRzsJbMpRNO1rH5XkT2MomxVAQIVrtiAsPP7AxytwknXsXSyqSCTp iXLaOBDiqnxtr+93ZrB4eBoZMqhaTFy683byNwuqRZdHmvsn4a+dNmf1ZHYXER0zA/z1 EiZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Qlcc/wRWjVCOzhNQn26TjPzzhllhlD0uZ0dcQsuvCOI=; b=NM/F0PQ3Zs/1t2TbdCiT9g45Gh7gfVSCvcwjAWaSAUSSFIaE1OfSaytjM9uN5tpTEh IL8IOxCuJiRSpxmyUKZgriZuW+J22fdWESKWDVR2KtMt5sfyb9Rei5jMq9TgaHl99ahb 7A8RKTCjCgWIoCJpmclXz8MRjmKXVno9XftBDaPRccq4prBit5WGIxDjLGg+9k+wt8Tr Z30O07ZXWvt/AJV6oM05XFNNDTdt5cQYOoIwIMRWcWrWlMxn/TGPIqJYEByGHgFNfutL zZY0KFgfBkNtH1IWlJGw3hkoXLsJk+LIH372IYu7/Qj6L+5PjnZANYVksO/mqVMZXh6D LXSA== X-Gm-Message-State: AOAM531MQGXIuhqd9vB/Hz/gM2oIwetSKjggs2pGHdoUvp0NZgrDmbZJ HDmAHlE15C96yrWZP7XXqGlsZ6Af1xoWqMD0HLNxfR0n7nOI3jxKd7Y= X-Google-Smtp-Source: ABdhPJyKUgNX6q8A9OFWfs8aafkwaSLkZiwFkY1IcplIO/jcXHLp97dpI7QrIEK7XayH//+TkEPo9I4yELzE/91anMY= X-Received: by 2002:a17:906:7848:: with SMTP id p8mr785872ejm.212.1632757396643; Mon, 27 Sep 2021 08:43:16 -0700 (PDT) MIME-Version: 1.0 References: <1632491065-10785-1-git-send-email-wang.yong12@zte.com.cn> In-Reply-To: From: yong w Date: Mon, 27 Sep 2021 23:43:04 +0800 Message-ID: Subject: Re: [PATCH v3] vmpressure: wake up work only when there is registration event To: Michal Hocko Cc: Tejun Heo , "Peter Zijlstra (Intel)" , wang.yong12@zte.com.cn, Cgroups , LKML , Linux MM , yang.yang29@zte.com.cn Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Your data still doesn't make any sense. I have asked about that in the > previous submission and you haven't really clarified anything. How come > your task-clock has almost doubled. You are likely not not comparing > apples to apples or something weird is going on. > > This patch is not going to fly without a sensible data and analysis of > that data. I see. I'll try to test the optimization again. Thanks a lot!