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 14473C46467 for ; Wed, 11 Jan 2023 21:29:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230197AbjAKV27 (ORCPT ); Wed, 11 Jan 2023 16:28:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45022 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235265AbjAKV2b (ORCPT ); Wed, 11 Jan 2023 16:28:31 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2ECEFD2 for ; Wed, 11 Jan 2023 13:28:31 -0800 (PST) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1673472509; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=oCjvYL67va4kbIV0y3JFubXaqggKMzUBIg/jnZYhsoQ=; b=bvIz7V+QGn6ddaIIj7CbKJ6ElcEVJmyTi4frCe8CZYPQAqtqrjqsbA/tww9qQPpS/njVOb taCw1h8Nuh+GTjNjkJm5p92qoH9uMioa2S18PV4DzbG6tAN9KEViw7Q6YRMQFqT+mhodFG khw/iRM+4tMbygFMiaFhH8z4uC6OL8HNehelTGIgk8Ir0iXPSYSTv5KqwZSaqMXFscVzvE eva6hRadr80ne8DuaEXlcnHsg+HOXSXaIL/KjH/zKA8anHSEhG9IHwEhSkIEbsiWr7jqu+ X6wmERFPy0rjVgdzFqT5rLyWua0S100eAcM60tkv8EVO/i3SlLZOVg0DBwZugQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1673472509; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=oCjvYL67va4kbIV0y3JFubXaqggKMzUBIg/jnZYhsoQ=; b=Y2AoSnv/brZcSmEUqAJWszqyOMru/gIc+rD/WuYFbztkpn+YS2u1RIEvL5qIoxhnggyES5 50RjKqSlYHZwpOBg== To: Dmitry Vyukov Cc: linux-kernel@vger.kernel.org, Marco Elver Subject: Re: [RFC PATCH] posix-timers: Support delivery of signals to the current thread In-Reply-To: References: <20221216171807.760147-1-dvyukov@google.com> Date: Wed, 11 Jan 2023 22:28:29 +0100 Message-ID: <87tu0wep6q.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 11 2023 at 16:49, Dmitry Vyukov wrote: > On Fri, 16 Dec 2022 at 18:18, Dmitry Vyukov wrote: >> We are trying to implement sampling program analysis based on this. >> We don't need 100% uniform sampling as a CPU profiler would need, >> but we still need the signals to be reasonably distributed across >> the process threads. >> >> Thomas, does the idea look sane to you overall? >> Are there any existing alternatives to this? > > Hi Thomas, > > I guess this was lost in your inbox during the holidays period. > Please take a look. Should I mail this as a non-RFC patch? It's not lost it's just in that huge pile of backlog. I'll get to it in the next days. Though it would be probably good to resend and explicitely CC Eric W. Biederman Oleg Nesterov Frederic Weisbecker Thanks, tglx