From mboxrd@z Thu Jan 1 00:00:00 1970 From: William Cohen Date: Thu, 15 Dec 2005 21:22:28 +0000 Subject: Re: [Perfctr-devel] 2.6.15-rc5-git3 perfmon2 new code base + libpfm Message-Id: <43A1DE94.8050105@redhat.com> List-Id: References: <20051215104604.GA16937@frankl.hpl.hp.com> In-Reply-To: <20051215104604.GA16937@frankl.hpl.hp.com> MIME-Version: 1.0 Content-Type: text/plain; charset="macroman" Content-Transfer-Encoding: base64 To: eranian@hpl.hp.com Cc: perfctr-devel@lists.sourceforge.net, perfmon@napali.hpl.hp.com, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org U3RlcGhhbmUgRXJhbmlhbiB3cm90ZToKPiBIZWxsbywKPiAKPiBJIGhhdmUgcmVsZWFzZWQgYSBu ZXcgdmVyc2lvbiBvZiB0aGUgcGVyZm1vbiBiYXNlIHBhY2thZ2UuCj4gVGhpcyByZWxlYXNlIGlz IHJlbGF0aXZlIHRvIDIuNi4xNS1yYzUtZ2l0My4KPiAKPiBJIGhhdmUgYWxzbyB1cGRhdGVkIHRo ZSBsaWJyYXJ5LCBsaWJwZm0tMy4yLCB0byBtYXRjaCB0aGUga2VybmVsCj4gbGV2ZWwgY2hhbmdl cy4gCgpIaSBTdGVwaGFuZSwKCkkgZG93bmxvYWRlZCB0aGUgbmV3IHZlcnNpb24gb2YgcGVyZm1v 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Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751118AbVLOVZv (ORCPT ); Thu, 15 Dec 2005 16:25:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751112AbVLOVZv (ORCPT ); Thu, 15 Dec 2005 16:25:51 -0500 Received: from mx1.redhat.com ([66.187.233.31]:6361 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1751111AbVLOVZu (ORCPT ); Thu, 15 Dec 2005 16:25:50 -0500 Message-ID: <43A1DE94.8050105@redhat.com> Date: Thu, 15 Dec 2005 16:22:28 -0500 From: William Cohen User-Agent: Mozilla Thunderbird 1.0.7-1.1.fc4 (X11/20050929) X-Accept-Language: en-us, en MIME-Version: 1.0 To: eranian@hpl.hp.com CC: perfctr-devel@lists.sourceforge.net, perfmon@napali.hpl.hp.com, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [Perfctr-devel] 2.6.15-rc5-git3 perfmon2 new code base + libpfm available References: <20051215104604.GA16937@frankl.hpl.hp.com> In-Reply-To: <20051215104604.GA16937@frankl.hpl.hp.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 Stephane Eranian wrote: > Hello, > > I have released a new version of the perfmon base package. > This release is relative to 2.6.15-rc5-git3. > > I have also updated the library, libpfm-3.2, to match the kernel > level changes. Hi Stephane, I downloaded the new version of perfmon and the matching libpfm. I built everything on a p6 based machine. The kernel booted fine. I tried the task_smpl_user in the libpfm examples. That crashed the kernel. What was on the xterm: $ ./task_smpl_user ls measuring at plm=0x8 programming 2 PMCS and 2 PMDS Segmentation fault The related oops /var/log/messages: Dec 15 15:54:40 trek kernel: Unable to handle kernel paging request at virtual address 6b6b6ba7 Dec 15 15:54:40 trek kernel: printing eip: Dec 15 15:54:40 trek kernel: c0202b51 Dec 15 15:54:40 trek kernel: *pde = 6b6b6b6b Dec 15 15:54:40 trek kernel: Oops: 0000 [#1] Dec 15 15:54:40 trek kernel: SMP Dec 15 15:54:40 trek kernel: Modules linked in: ipv6 lp autofs4 rfcomm l2cap bluetooth sunrpc ipt_REJECT ipt_state ip_conntrack nfnetlink iptable_filter ip_tables dm_mirror dm_mod video button battery ac parport_pc parport snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_cs46xx snd_seq_midi_emul snd_seq_dummy snd_seq_oss snd_emu10k1 snd_seq_midi_event snd_seq snd_rawmidi snd_seq_device snd_pcm_oss snd_ac97_codec snd_mixer_oss snd_ac97_bus snd_pcm snd_util_mem floppy snd_hwdep snd_timer emu10k1_gp snd gameport soundcore snd_page_alloc 3c59x mii i2c_i801 hw_random uhci_hcd shpchp i2c_core ext3 jbd Dec 15 15:54:40 trek kernel: CPU: 0 Dec 15 15:54:40 trek kernel: EIP: 0060:[] Not tainted VLI Dec 15 15:54:40 trek kernel: EFLAGS: 00010286 (2.6.15-rc5-git3-perfop) Dec 15 15:54:40 trek kernel: EIP is at pfm_smpl_fmt_put+0x11/0x60 Dec 15 15:54:40 trek kernel: eax: d6ee6ab0 ebx: 6b6b6b6b ecx: 00000000 edx: 00000cf4 Dec 15 15:54:40 trek kernel: esi: cf9f2000 edi: 00000000 ebp: 00000000 esp: cfc1ff00 Dec 15 15:54:40 trek kernel: ds: 007b es: 007b ss: 0068 Dec 15 15:54:40 trek kernel: Process task_smpl_user (pid: 2654, threadinfo=cfc1f000 task=d6ee6ab0) Dec 15 15:54:40 trek kernel: Stack: ffffffda c0201ee7 00000000 c010400c d6ee6ab0 d6dea570 d6dea740 00000000 Dec 15 15:54:40 trek kernel: d7010a34 00802140 00000000 00000000 00000000 cfc1ff68 d2d5b9a4 00000000 Dec 15 15:54:40 trek kernel: 0000003c 00000000 cfc1f000 00000000 cfc1ff68 00000000 cfc1f000 c0203f98 Dec 15 15:54:40 trek kernel: Call Trace: Dec 15 15:54:40 trek kernel: [] __pfm_create_context+0x167/0x440 Dec 15 15:54:40 trek kernel: [] __switch_to+0x15c/0x220 Dec 15 15:54:40 trek kernel: [] sys_pfm_create_context+0x78/0xe0 Dec 15 15:54:40 trek kernel: [] syscall_call+0x7/0xb Dec 15 15:54:40 trek kernel: Code: 00 01 00 00 ff 00 b8 80 4c 44 c0 e8 9a d2 16 00 89 d8 5b c3 31 db eb ee 89 f6 85 c0 53 89 c3 74 39 b8 80 4c 44 c0 e8 5f d2 16 00 <8b> 53 3c 85 d2 74 1b b8 00 f0 ff ff 21 e0 8b 40 10 c1 e0 07 8d -Will