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McKenney" , Joel Fernandes , Frederic Weisbecker , "linux-kernel@vger.kernel.org" , Lai Jiangshan , "linux-doc@vger.kernel.org" , "rcu@vger.kernel.org" Subject: RE: [PATCH v3] rcu: Add a minimum time for marking boot as completed Thread-Topic: [PATCH v3] rcu: Add a minimum time for marking boot as completed Thread-Index: AQHZThiYp3MlrzfqvEWnd0vYLxlOHa7vTckAgAAKtYCAAAJrAIAAPq6AgAAWxoCAAAkkAIAA7pKAgABU+wCAAXQ5AIAAmpIAgACz9gCAAWhKAIADXoaAgAArowCAABOeUA== Date: Mon, 13 Mar 2023 13:48:18 +0000 Message-ID: References: <20230307173313.GJ1301832@paulmck-ThinkPad-P17-Gen-1> <20230307185443.GA516865@google.com> <20230307192726.GL1301832@paulmck-ThinkPad-P17-Gen-1> <20230308144528.GR1301832@paulmck-ThinkPad-P17-Gen-1> <20230309221056.GB148448@google.com> <8f8a40cd-8b1f-4121-98f7-7a1bdbcaf6a6@paulmck-laptop> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: IA1PR11MB6171.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9d6f1353-7a53-4d6b-dfb1-08db23c99a79 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Mar 2023 13:48:18.9509 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: m1KxpVkvUn4HH9cYJ91IX/l5K2eCQlTicU9Y/DmM2G5RQVUpSqF5gj0yaMLo3F2d+SIY9XXfzDxiG3f/H3SoqQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR11MB4904 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > From: Uladzislau Rezki > [...] > XQ-DQ54:/ # echo 1 > /sys/kernel/rc > rcu_expedited rcu_improve_normal rcu_normal > XQ-DQ54:/ # echo 1 > /sys/kernel/rcu_improve_normal=20 Hi Rezki, I applied your prototype patch, but I did NOT find the sys-node: "/sys/kernel/rcu_improve_normal" on my system. What is this node used for? What am I missing? Thanks! [ There were only "rcu_expedited" & " rcu_normal" sys nodes on my system. ] -Qiuxu > XQ-DQ54:/ # exit=20 > XQ-DQ54:/ $ exit urezki@pc636:~/data/yoshino_bin/scripts$ ./test-cam.sh > 533 > 549 > 563 > 537 > 540 > 563 > 531 > 549 > 548 > urezki@pc636:~/data/yoshino_bin/scripts$ >=20 > the taken time to run an app in milliseconds. >=20 > -- > Uladzislau Rezki