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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 2BB0EC433E0 for ; Tue, 26 May 2020 22:05:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0F368208DB for ; Tue, 26 May 2020 22:05:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391768AbgEZWFi (ORCPT ); Tue, 26 May 2020 18:05:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:48764 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389342AbgEZWFi (ORCPT ); Tue, 26 May 2020 18:05:38 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B953E20870; Tue, 26 May 2020 22:05:36 +0000 (UTC) Date: Tue, 26 May 2020 18:05:35 -0400 From: Steven Rostedt To: Peter Zijlstra Cc: Song Liu , linux-kernel , Kernel Team , Ingo Molnar , Arnaldo Carvalho de Melo , Masami Hiramatsu , Mark Rutland , Jiri Olsa , Namhyung Kim , Alexey Budankov Subject: Re: [RFC] perf/core: allow ftrace for functions in kernel/event/core.c Message-ID: <20200526180535.0370eb90@gandalf.local.home> In-Reply-To: <20200526180437.45aed950@gandalf.local.home> References: <20200526212826.4097888-1-songliubraving@fb.com> <20200526213913.GG2483@worktop.programming.kicks-ass.net> <20200526215415.GH2483@worktop.programming.kicks-ass.net> <20200526180437.45aed950@gandalf.local.home> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 26 May 2020 18:04:37 -0400 Steven Rostedt wrote: > > In the early days there was a lot of issues with recursions, but I added a > lot of recursion protection since then. I'll give this patch a spin and see > if I can make it crash. I also have some patches that make both perf and the trace directory visible by function tracing. I'll see if I can dig them out too. -- Steve