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 lists.lttng.org (lists.lttng.org [158.69.130.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9335DC282EC for ; Mon, 10 Mar 2025 14:19:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lists.lttng.org; s=default; t=1741616350; bh=NjE26wcJWk0exLN6HQmdARNnQE9Zsgq7PT7gcbM/gw4=; h=Date:To:Cc:Subject:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=zCR05iyJ6Z8jkht9JFj8FQEhk8PXiQMXrSx7PL9KQQnxA23yXrjX0xrNV3ZPKeSGl 7vaS7jTu12gMsOCMrV+UhluZyf+qSN1eLZgwlMyqUyweTBNsnIAZIrm7dMWpQrpKmY M+9zcU4UIekDTmxgsxk4bjwufYtyn4edYqKCgOlk7YstP2jJ8fWNYVeUL+8ZyKe5f/ Yl1iQjukgbu8UCIDbB5COdISEqwVokuMKLuDR2W6kd5Z02fLSUQMuyeKkjADEBIP48 k65VerizrAvLnsBlxOjZoH4Ka+xXT1AQMcCKXxCqOUkEnD4zP0MXo44YeTLvdHNY1A WwoyOxcpJSIaw== Received: from lists-lttng01.efficios.com (localhost [IPv6:::1]) by lists.lttng.org (Postfix) with ESMTP id 4ZBJt65p8Xz1l6w; Mon, 10 Mar 2025 10:19:10 -0400 (EDT) Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.3]) by lists.lttng.org (Postfix) with ESMTP id 4Z93H469dzz11sZ for ; Sat, 8 Mar 2025 08:02:56 -0500 (EST) Received: from fangkaihit$163.com ( [39.144.124.17] ) by ajax-webmail-wmsvr-40-105 (Coremail) ; Sat, 8 Mar 2025 17:16:46 +0800 (CST) X-Originating-IP: [39.144.124.17] Date: Sat, 8 Mar 2025 17:16:46 +0800 (CST) To: "Kienan Stewart" Cc: lttng-dev@lists.lttng.org Subject: Re:Re: need help for avoiding system calls while using URCU (Userspace RCU) X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20240801(9da12a7b) Copyright (c) 2002-2025 www.mailtech.cn 163com In-Reply-To: References: <5bfbaea6.79f9.19560340335.Coremail.fangkaihit@163.com> Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 MIME-Version: 1.0 Message-ID: <6e8d366.2ae1.195750af232.Coremail.fangkaihit@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID: aSgvCgB3n5r+CsxnPJd4AA--.9190W X-CM-SenderInfo: 5idqwypdlkx3i6rwjhhfrp/1tbiXRAIIGfKF26IWwABsj X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== X-Mailman-Approved-At: Mon, 10 Mar 2025 10:19:03 -0400 X-BeenThere: lttng-dev@lists.lttng.org X-Mailman-Version: 2.1.39 Precedence: list List-Id: LTTng development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: =?utf-8?b?5pa56ZS0IHZpYSBsdHRuZy1kZXY=?= Reply-To: =?UTF-8?B?5pa56ZS0?= Errors-To: lttng-dev-bounces@lists.lttng.org Sender: "lttng-dev" ZGVhciBraWVuYW48YnIvPlRoYW5rIHlvdSBmb3IgeW91ciBndWlkYW5jZSwgSSd2ZSBmb3VuZCBE S0RQJ3MgVVJDVSBzdWNjZXNzZnVsbHkgYXZvaWRzIHN5c3RlbSBjYWxscy4gR3JhdGVmdWwgZm9y IHlvdXIgc3VwcG9ydCE8YnIvPkJlc3QgcmVnYXJkcyw8YnIvPmZhbmdrYWkKQXQgMjAyNS0wMy0w NyAwMDoxNzozNCwgIktpZW5hbiBTdGV3YXJ0IiA8a3N0ZXdhcnRAZWZmaWNpb3MuY29tPiB3cm90 ZToKPkhpIOaWuemUtCwNCj4NCj5PbiAzLzQvMjUgMzowOSBBTSwg5pa56ZS0IHZpYSBsdHRuZy1k ZXYgd3JvdGU6DQo+DQo+PiBJIGhhdmUgcmVmZXJlbmNlZCB5b3VyIHByb2plY3QsIFVSQ1UgKFVz ZXJzcGFjZSBSQ1UpLCBvbiBHaXRIdWIsIHdoaWNoIGlzIGJhc2VkIG9uIHRoZSBRU0JSIG1vZGVs LiBIb3dldmVyLCBJIA0KPm5vdGljZWQgdGhhdCB3aGVuIHVzaW5nIGl0IGluIHVzZXIgbW9kZSwg aXQgbWFrZXMgc3lzdGVtIGNhbGxzIHRvIGVudGVyIA0KPnRoZSBrZXJuZWwuIENvdWxkIHlvdSBw bGVhc2UgcHJvdmlkZSBndWlkYW5jZSBvbiBob3cgdG8gYWRkcmVzcyB0aGlzIGlzc3VlPw0KPg0K PkFyZSB0aGVyZSBzcGVjaWZpYyBwYXJ0cyBvZiB0aGUgQVBJIHRoYXQgeW91IG5lZWQgdG8gYmUg dXNlci1zcGFjZSBvbmx5Pw0KPg0KPiA+IEkgYWltIHRvIGFjaGlldmUgYSBwdXJlIHVzZXItbW9k ZSBpbXBsZW1lbnRhdGlvbi4gU3BlY2lmaWNhbGx5LCBJIA0KPndvdWxkIGFwcHJlY2lhdGUgYW55 IGluc2lnaHRzIG9yIHN1Z2dlc3Rpb25zIG9uIGF2b2lkaW5nIHN5c3RlbSBjYWxscyANCj53aGls ZSBzdGlsbCBtYWludGFpbmluZyB0aGUgZnVuY3Rpb25hbGl0eSBvZiB0aGUgUVNCUiBtb2RlbCBp biB1c2VyIA0KPnNwYWNlLiBUaGFuayB5b3UgdmVyeSBtdWNoIGZvciB5b3VyIHRpbWUgYW5kIGFz c2lzdGFuY2UuDQo+DQo+Q3VycmVudGx5IHRoZSBsb2NraW5nIGlzIGRvbmUgdXNpbmcgZnV0ZXhz LCB3aGljaCBhcmUgc3lzdGVtIGNhbGxzLiANCj5UaG9zZSBjb3VsZCBwb3RlbnRpYWxseSBiZSBy ZXBsYWNlZCB3aXRoIGEgcG9sbC9yZXRyeSBzeXN0ZW0gZWl0aGVyIGluIGEgDQo+ZGlmZmVyZW50 IGZsYXZvdXIgb2YgVVJDVSBvciBhdCBidWlsZC10aW1lLg0KPg0KPnRoYW5rcywNCj5raWVuYW4N Cg==