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 B269AC25B0E for ; Wed, 17 Aug 2022 02:23:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237934AbiHQCXq (ORCPT ); Tue, 16 Aug 2022 22:23:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229911AbiHQCXn (ORCPT ); Tue, 16 Aug 2022 22:23:43 -0400 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4549A3E758; Tue, 16 Aug 2022 19:23:41 -0700 (PDT) Received: from [192.168.100.8] (unknown [112.20.110.237]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxvmslUfxizwQDAA--.3916S3; Wed, 17 Aug 2022 10:23:34 +0800 (CST) Message-ID: <325e126b-14e7-79fa-1348-53d71fd98728@loongson.cn> Date: Wed, 17 Aug 2022 10:23:34 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.12.0 Subject: Re: [PATCH] docs: scheduler: Update new path for the sysctl knobs To: Lukasz Luba , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Cc: alexs@kernel.org, corbet@lwn.net, peterz@infradead.org, Tang Yizhou References: <20220816121907.841-1-lukasz.luba@arm.com> From: YanTeng Si In-Reply-To: <20220816121907.841-1-lukasz.luba@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CM-TRANSID: AQAAf8DxvmslUfxizwQDAA--.3916S3 X-Coremail-Antispam: 1UD129KBjvJXoWxXr1fGr1kGrWDCw45JFykGrg_yoW5JFWDpa 4qgr4xA3ZrAr90kw18Cw1rGFWrWFW7C3y3Gr1qk3W8WFyvqaySyr1Ut3y3WF4qqry0yFW5 XFZag343Zw1jvaUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUvSb7Iv0xC_tr1lb4IE77IF4wAFF20E14v26r4j6ryUM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4 vEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40E FcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr 0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcVAKI48JMxk0xIA0c2IEe2xFo4CEbIxv r21lc2xSY4AK67AK6r4UMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI 8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AK xVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI 8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280 aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43 ZEXa7IU8xWrJUUUUU== X-CM-SenderInfo: pvl1t0pwhqwqxorr0wxvrqhubq/ Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2022/8/16 20:19, Lukasz Luba 写道: > Add missing update for the documentation bit of some scheduler knob. > The knobs have been moved to /debug/sched/ location (with adjusted names). > > Signed-off-by: Lukasz Luba Tested-by: Yanteng Si CC Yizhou Thanks, Yanteng > --- > Documentation/scheduler/sched-design-CFS.rst | 2 +- > Documentation/translations/zh_CN/scheduler/sched-design-CFS.rst | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/Documentation/scheduler/sched-design-CFS.rst b/Documentation/scheduler/sched-design-CFS.rst > index 59b2d1fb4dc4..03db55504515 100644 > --- a/Documentation/scheduler/sched-design-CFS.rst > +++ b/Documentation/scheduler/sched-design-CFS.rst > @@ -94,7 +94,7 @@ other HZ detail. Thus the CFS scheduler has no notion of "timeslices" in the > way the previous scheduler had, and has no heuristics whatsoever. There is > only one central tunable (you have to switch on CONFIG_SCHED_DEBUG): > > - /proc/sys/kernel/sched_min_granularity_ns > + /sys/kernel/debug/sched/min_granularity_ns > > which can be used to tune the scheduler from "desktop" (i.e., low latencies) to > "server" (i.e., good batching) workloads. It defaults to a setting suitable > diff --git a/Documentation/translations/zh_CN/scheduler/sched-design-CFS.rst b/Documentation/translations/zh_CN/scheduler/sched-design-CFS.rst > index 26b0f36f793d..3076402406c4 100644 > --- a/Documentation/translations/zh_CN/scheduler/sched-design-CFS.rst > +++ b/Documentation/translations/zh_CN/scheduler/sched-design-CFS.rst > @@ -80,7 +80,7 @@ p->se.vruntime。一旦p->se.vruntime变得足够大，其它的任务将成为 > CFS使用纳秒粒度的计时，不依赖于任何jiffies或HZ的细节。因此CFS并不像之前的调度器那样 > 有“时间片”的概念，也没有任何启发式的设计。唯一可调的参数（你需要打开CONFIG_SCHED_DEBUG）是： > > - /proc/sys/kernel/sched_min_granularity_ns > + /sys/kernel/debug/sched/min_granularity_ns > > 它可以用来将调度器从“桌面”模式（也就是低时延）调节为“服务器”（也就是高批处理）模式。 > 它的默认设置是适合桌面的工作负载。SCHED_BATCH也被CFS调度器模块处理。