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Date: Tue, 03 Sep 2013 06:50:03 -0600
From: David Ahern <dsahern@gmail.com>
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To: Adrian Hunter <adrian.hunter@intel.com>
CC: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: latest perf code fails to parse existing data file
References: <5225051C.3030608@gmail.com> <5225844E.3090700@intel.com>
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On 9/3/13 12:40 AM, Adrian Hunter wrote:
> On 03/09/13 00:37, David Ahern wrote:
>> Arnaldo/Adrian:
>>
>> Latest acme core tree fails to parse an existing data file:
>>
>> $ perf trace -i perf.data
>> 0x16b8 [0x40]: failed to process type: 1
>> Failed to process events, error -22
>
> I can't reproduce this.  The following works:
>
> 	$ perf --version
> 	perf version 3.9.10-100.fc17.x86_64
> 	$ sudo perf record -e raw_syscalls:* ls
> 	...
> 	$ tools/perf/perf --version
> 	perf version 3.11.rc4.g31cd38
> 	$ sudo tools/perf/perf script
> 	...
> 	$ sudo tools/perf/perf trace -i perf.data
> 	...

Kernel version? Is your kernel side support there?

For me data was collected on 2.6.34 about a week ago. Processed fine up 
to the point of this patch getting added.

David