Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754345AbbGQCAt (ORCPT ); Thu, 16 Jul 2015 22:00:49 -0400 Received: from e23smtp03.au.ibm.com ([202.81.31.145]:51690 "EHLO e23smtp03.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751403AbbGQCAs (ORCPT ); Thu, 16 Jul 2015 22:00:48 -0400 X-Helo: d23dlp01.au.ibm.com X-MailFrom: imunsie@au1.ibm.com X-RcptTo: linux-kernel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 From: Ian Munsie To: Sukadev Bhattiprolu Cc: Zumeng Chen , linux-kernel , paulus , linuxppc-dev , "romeo.cane.ext" Subject: Re: BUG: perf error on syscalls for powerpc64. In-reply-to: <20150717015104.GA25558@us.ibm.com> References: <1437037461.15828.2.camel@ellerman.id.au> <20150717015104.GA25558@us.ibm.com> Date: Fri, 17 Jul 2015 11:59:44 +1000 Message-Id: <1437098328-sup-6685@delenn.ozlabs.ibm.com> User-Agent: Sup/0.20.0 Content-Transfer-Encoding: 8bit X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15071702-0009-0000-0000-000001B97E0D Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 698 Lines: 19 Excerpts from Sukadev Bhattiprolu's message of 2015-07-17 11:51:04 +1000: > Are you seeing this on big-endian or little-endian system? > > IIRC, I saw the opposite behavior on an LE system a few months ago. > i.e. without 1028ccf5, 'perf listf|grep syscall' failed. > > Applying 1028ccf5, seemed to fix it. You could be on to something there - IIRC the ABI was changed for LE to remove the dot symbols. Might be worth testing on both. Cheers, -Ian -- 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/