From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp05.au.ibm.com (e23smtp05.au.ibm.com [202.81.31.147]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id D65F31A0072 for ; Fri, 17 Jul 2015 12:00:44 +1000 (AEST) Received: from /spool/local by e23smtp05.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 17 Jul 2015 12:00:44 +1000 Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp01.au.ibm.com (Postfix) with ESMTP id 79A362CE8050 for ; Fri, 17 Jul 2015 12:00:41 +1000 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t6H20Yno63635478 for ; Fri, 17 Jul 2015 12:00:42 +1000 Received: from d23av04.au.ibm.com (localhost [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t6H208Pj028149 for ; Fri, 17 Jul 2015 12:00:09 +1000 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> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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