From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932287AbbFSSvQ (ORCPT ); Fri, 19 Jun 2015 14:51:16 -0400 Received: from mail.kernel.org ([198.145.29.136]:41394 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753358AbbFSSvI (ORCPT ); Fri, 19 Jun 2015 14:51:08 -0400 Date: Fri, 19 Jun 2015 15:51:03 -0300 From: Arnaldo Carvalho de Melo To: Steven Rostedt Cc: Jiri Olsa , Linux Kernel Mailing List Subject: Re: perf list tracepoints problem Message-ID: <20150619185103.GC31188@kernel.org> References: <20150619161953.GA31188@kernel.org> <20150619125104.0f9d6dff@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150619125104.0f9d6dff@gandalf.local.home> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Fri, Jun 19, 2015 at 12:51:04PM -0400, Steven Rostedt escreveu: > On Fri, 19 Jun 2015 13:19:53 -0300 > Arnaldo Carvalho de Melo wrote: > > > Hi, > > > > Have you guys ever saw this: > > > > [root@perf4 ~]# perf list > > > > mem:[:access] [Hardware > > breakpoint] > > > > [ Tracepoints not available: Success ] > > [root@perf4 ~]# uname -r > > 4.1.0-rc8 > > [root@perf4 ~]# mount | grep tracefs > > tracefs on /sys/kernel/debug/tracing type tracefs (rw,relatime) > > [root@perf4 ~]# mount | grep debugfs > > debugfs on /sys/kernel/debug type debugfs (rw,relatime,seclabel) > > [root@perf4 ~]# > > > > [root@zoo ~]# ls -la /sys/kernel/debug/tracing/events/ | tail > > drwxr-xr-x. 15 root root 0 Jun 17 10:47 timer > > drwxr-xr-x. 3 root root 0 Jun 17 10:47 tlb > > drwxr-xr-x. 3 root root 0 Jun 17 10:47 udp > > drwxr-xr-x. 4 root root 0 Jun 17 10:47 v4l2 > > drwxr-xr-x. 17 root root 0 Jun 17 10:47 vmscan > > drwxr-xr-x. 3 root root 0 Jun 17 10:47 vsyscall > > drwxr-xr-x. 6 root root 0 Jun 17 10:47 workqueue > > drwxr-xr-x. 31 root root 0 Jun 17 10:47 writeback > > drwxr-xr-x. 37 root root 0 Jun 17 10:47 xen > > drwxr-xr-x. 11 root root 0 Jun 17 10:47 xhci-hcd > > [root@zoo ~]# > > > > ? > > > > Just a heads up, will continue investigating after some food... > > > > Running the older perf that ignores tracepoints not on the debugfs > system? Right, I thought I was, but there was a perf-3.10...rpm installed that was being used instead of my ~/bin/perf new binary, removed the rpm and it lists the tracepoints now, should've used 'perf --version' before hitting the send button, sorry about that. - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/