Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756236AbWKVSBG (ORCPT ); Wed, 22 Nov 2006 13:01:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756243AbWKVSBG (ORCPT ); Wed, 22 Nov 2006 13:01:06 -0500 Received: from mx1.redhat.com ([66.187.233.31]:45772 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1756236AbWKVSBC (ORCPT ); Wed, 22 Nov 2006 13:01:02 -0500 Message-ID: <45648FE5.7080404@nc.rr.com> Date: Wed, 22 Nov 2006 12:59:01 -0500 From: William Cohen User-Agent: Mozilla Thunderbird 1.0.8-1.1.fc4 (X11/20060501) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Eric Dumazet CC: Adrian Bunk , Andrew Morton , Len Brown , phil.el@wanadoo.fr, gregkh@suse.de, Linux Kernel Mailing List , Andi Kleen , Ingo Molnar , oprofile-list@lists.sourceforge.net, Stephen Hemminger Subject: Re: 2.6.19-rc5: known regressions (v3) References: <20061115102122.GQ22565@stusta.de> <200611151135.48306.dada1@cosmosbay.com> <200611221128.05769.dada1@cosmosbay.com> In-Reply-To: <200611221128.05769.dada1@cosmosbay.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2372 Lines: 64 Eric Dumazet wrote: > On Wednesday 15 November 2006 11:35, Eric Dumazet wrote: > >>On Wednesday 15 November 2006 11:21, Adrian Bunk wrote: >> >>>Subject : x86_64: oprofile doesn't work >>>References : http://lkml.org/lkml/2006/10/27/3 >>>Submitter : Prakash Punnoor >>>Status : unknown >> > > I hit the same problem on i386 architecture too, if CONFIG_ACPI is not set. > > # opcontrol --setup --event=RESOURCE_STALLS:1000 --vmlinux=$VMFILE > # opcontrol --start > /usr/bin/opcontrol: line 911: /dev/oprofile/0/enabled: No such file or > directory > /usr/bin/opcontrol: line 911: /dev/oprofile/0/event: No such file or directory > /usr/bin/opcontrol: line 911: /dev/oprofile/0/count: No such file or directory > /usr/bin/opcontrol: line 911: /dev/oprofile/0/kernel: No such file or > directory > /usr/bin/opcontrol: line 911: /dev/oprofile/0/user: No such file or directory > /usr/bin/opcontrol: line 911: /dev/oprofile/0/unit_mask: No such file or > directory > Using 2.6+ OProfile kernel interface. > Reading module info. > Using log file /var/lib/oprofile/oprofiled.log > Daemon started. > Profiler running. > > # ls -l /dev/oprofile/ > total 0 > drwxr-xr-x 1 root root 0 Nov 22 11:18 1 > -rw-r--r-- 1 root root 0 Nov 22 11:18 backtrace_depth > -rw-r--r-- 1 root root 0 Nov 22 11:18 buffer > -rw-r--r-- 1 root root 0 Nov 22 11:18 buffer_size > -rw-r--r-- 1 root root 0 Nov 22 11:18 buffer_watershed > -rw-r--r-- 1 root root 0 Nov 22 11:18 cpu_buffer_size > -rw-r--r-- 1 root root 0 Nov 22 11:18 cpu_type > -rw-rw-rw- 1 root root 0 Nov 22 11:18 dump > -rw-r--r-- 1 root root 0 Nov 22 11:18 enable > -rw-r--r-- 1 root root 0 Nov 22 11:18 pointer_size > drwxr-xr-x 1 root root 0 Nov 22 11:18 stats > # dmesg | grep oprofile > oprofile: using NMI interrupt. > # opcontrol --version > opcontrol: oprofile 0.9.2 compiled on Nov 22 2006 11:24:09 > > Eric Could you try the patch that I posted on the oprofile mailing list last week November 17 2005 for op_allocate.c and see if that resolves the problem you are having? http://sourceforge.net/mailarchive/message.php?msg_id=37316102 -Will - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/