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 X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5FA0EC4363D for ; Thu, 24 Sep 2020 17:59:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E217B23741 for ; Thu, 24 Sep 2020 17:59:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="iWL1mEU4"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="Ls/+icVj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728566AbgIXR7z (ORCPT ); Thu, 24 Sep 2020 13:59:55 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:50392 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726477AbgIXR7z (ORCPT ); Thu, 24 Sep 2020 13:59:55 -0400 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1600970393; 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=HJehfIcmNapZF7M+n/Zfc+/KkGD2QoqI4n84mPsCzgg=; b=iWL1mEU4I4V8xP0PdlbB8DatztKp0+2gq01ao9IGOa0+jFBPYkLltmEJhAMAvThXobu5Qd RPjb1eXqcrzkdz3r8tWtD/uFr/amimvMYA7szMGaIRQsCsMG5wWzS/3dvosceTChu+vrnB a2K7CCoWpI642U/4laIrlPptcT19M4tcLLNF/bQh9gWqw/pQDoLXyhwYZazfxAV/p5wWOg hU59C9LR6Dn9IvRESySg5+h+NFJ2sh70re1sC5aWM3wxYJDZoXwValv3OYhjBDgRZZWgml P+99cT2J3miivSocLqACNZy0ejiWK71E585Ni+GUTFlVsKylByD1JsDKvX4N5A== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1600970393; 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=HJehfIcmNapZF7M+n/Zfc+/KkGD2QoqI4n84mPsCzgg=; b=Ls/+icVj7dWLbhhe35jdGlmS/WmPZISu/jJkDewY2Eije9AUG+y5M++U/ztYjTsShnJbNC g0FLaosFp4FNxwDA== To: Muchun Song , rostedt@goodmis.org, mingo@kernel.org, peterz@infradead.org, will@kernel.org, romain.perier@gmail.com Cc: linux-kernel@vger.kernel.org, Muchun Song Subject: Re: [PATCH] tasklet: Introduce tasklet tracepoints In-Reply-To: <20200905060412.88560-1-songmuchun@bytedance.com> References: <20200905060412.88560-1-songmuchun@bytedance.com> Date: Thu, 24 Sep 2020 19:59:53 +0200 Message-ID: <873637838m.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Sep 05 2020 at 14:04, Muchun Song wrote: > Introduce tracepoints for tasklets just like softirq does. What does softirq? > In this case, we can calculate tasklet latency and know what tasklet > run. I rather see people working on removal of tasklets. Thanks, tglx