From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933485AbbBIQCW (ORCPT ); Mon, 9 Feb 2015 11:02:22 -0500 Received: from smtprelay0018.hostedemail.com ([216.40.44.18]:35210 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1759889AbbBIQCV (ORCPT ); Mon, 9 Feb 2015 11:02:21 -0500 X-Session-Marker: 6E657665747340676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::,RULES_HIT:41:355:379:541:599:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1539:1593:1594:1711:1730:1747:1777:1792:2393:2553:2559:2562:2693:2895:3138:3139:3140:3141:3142:3352:3622:3865:3867:3870:3871:5007:6248:6261:7875:7903:10004:10400:10471:10848:10967:11026:11232:11658:11914:12043:12517:12519:12740:13069:13255:13311:13357:21080,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: coil57_6b7b0b7fbfc2e X-Filterd-Recvd-Size: 1643 Date: Mon, 9 Feb 2015 11:02:17 -0500 From: Steven Rostedt To: Jonathan Corbet Cc: Wang Long , , , , Subject: Re: [PATCH] Documentation: Fix the wrong command `echo -1 > set_ftrace_pid` for cleaning the filter. Message-ID: <20150209110217.1924495c@gandalf.local.home> In-Reply-To: <20150209105729.0410df4a@lwn.net> References: <1423113374-233765-1-git-send-email-long.wanglong@huawei.com> <20150209105729.0410df4a@lwn.net> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.25; 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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 9 Feb 2015 10:57:29 -0500 Jonathan Corbet wrote: > On Thu, 5 Feb 2015 05:16:14 +0000 > Wang Long wrote: > > > The command `echo > set_ftrace_pid` should be used to clean the filter quietly. > > because the command `echo -1 > set_ftrace_pid` will output the following: > > "bash: echo: write error: Invalid argument". > > > > so update the file Documentation/trace/ftrace.txt. > > So this is in my pile for the docs tree, but I was hoping to see an ack > from Steve first...? Yeah, I meant to reply but got distracted ;-) Acked-by: Steven Rostedt -- Steve