From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Ahern Subject: Re: trace-cmd errors on kvm events Date: Fri, 08 Apr 2011 17:26:34 -0600 Message-ID: <4D9F99AA.8060803@gmail.com> References: <4D9F59AC.6080707@gmail.com> <4D9F790B.2000300@web.de> <4D9F7A4B.3040606@gmail.com> <4D9F7BC0.8010003@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: LKML , KVM mailing list To: Jan Kiszka Return-path: Received: from mail-iy0-f174.google.com ([209.85.210.174]:52320 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753208Ab1DHX0l (ORCPT ); Fri, 8 Apr 2011 19:26:41 -0400 In-Reply-To: <4D9F7BC0.8010003@web.de> Sender: kvm-owner@vger.kernel.org List-ID: On 04/08/11 15:18, Jan Kiszka wrote: > Let me check... indeed, I'm getting the same file-not-found here with > trace-cmd.git 9cce1c9b5b when starting it directly from its build directory. > > But maybe your trace-cmd or kernel versions are too old / incompatible. > I'm not getting complaints about unparseable events with the above > snapshot and 2.6.38. 2.6.38.2 kernel, trace-cmd 3e8b5b8 which is March 18 (though git pull done this morning). For grins I checked-out 9cce1c9b5b and same error: trace-cmd record -e kvm -- sleep 1 trace-cmd report 2>&1 | less You do have to put stderr onto stdout to see the messages I reported earlier. Or look for [FAILED TO PARSE] on the kvm_exit and kvm_emulate_insn lines. David