Re: [PATCH 37/37] perf intel-pt: Improve sample timestamp

From	Adrian Hunter <adrian.hunter@intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 37/37] perf intel-pt: Improve sample timestamp
Date	2017-05-26 10:40 +0200
Message-ID	<tLiWT-3x5-49@gated-at.bofh.it> (permalink)
References	<tIM53-8nS-3@gated-at.bofh.it> <tIM55-8nS-35@gated-at.bofh.it> <tIReq-3xO-11@gated-at.bofh.it>
Organization	Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki

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On 19/05/17 17:34, Andi Kleen wrote:
> On Fri, May 19, 2017 at 11:54:36AM +0300, Adrian Hunter wrote:
>> The decoder uses its current timestamp in samples. Usually that is a
>> timestamp that has already passed, but in some cases it is a timestamp for
>> a branch that the decoder is walking towards, and consequently hasn't
>> reached. Improve that situation by using the pkt_state to determine when
>> to use the current or previous timestamp.
> 
> Thanks. I ran into this problem a lot.
> 
> Would be good to mark the clear bug fixes like this with cc stable.

I have done that in V2.

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Re: [PATCH 37/37] perf intel-pt: Improve sample timestamp Adrian Hunter <adrian.hunter@intel.com> - 2017-05-26 10:40 +0200

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