linux-kernel - Re: BUG: perf error on syscalls for powerpc64.

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Message-Id: <1437098328-sup-6685@delenn.ozlabs.ibm.com>
Date:	Fri, 17 Jul 2015 11:59:44 +1000
From:	Ian Munsie <imunsie@....ibm.com>
To:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc:	Zumeng Chen <zumeng.chen@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	paulus <paulus@...ba.org>,
	linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	"romeo.cane.ext" <romeo.cane.ext@...iant.com>
Subject: Re: BUG: perf error on syscalls for powerpc64.

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

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