Re: [BUG] perf tests: Test converting perf time to TSC

From: Adrian Hunter
Date: Thu Oct 03 2013 - 04:36:18 EST


On 03/10/13 11:17, Jiri Olsa wrote:
> On Wed, Oct 02, 2013 at 04:46:59PM +0300, Adrian Hunter wrote:
>> On 02/10/13 16:23, Jiri Olsa wrote:
>>> hi,
>>> got a segfault in the tsc test on latest acme's tree.
>>>
>>> I'm dealing with some other issues right now, so just reporting ;-)
>>
>> The capability bits have changed positions. You need to have:
>>
>> commit fa7315871046b9a4c48627905691dbde57e51033
>> Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
>> Date: Thu Sep 19 10:16:42 2013 +0200
>>
>> perf: Fix capabilities bitfield compatibility in 'struct
>> perf_event_mmap_page'
>
> ok, I'll try that.. but anyway, the test should
> not crash in account of missing kernel change

No the ABI is broken in that case - better to crash.


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