Re: [PATCH V2 00/37] perf intel-pt: Power events and PTWRITE

From	Adrian Hunter <adrian.hunter@intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH V2 00/37] perf intel-pt: Power events and PTWRITE
Date	2017-06-12 15:20 +0200
Message-ID	<tRxqa-2AI-17@gated-at.bofh.it> (permalink)
References	<tLiNb-3tM-9@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 26/05/17 11:17, Adrian Hunter wrote:
> Hi
> 
> Here are some patches to support Intel PT Power events and PTWRITE.
> Power events report changes to C-state but I have also added support
> for the existing CBR (core-to-bus ratio) packet and included that
> when outputting power events.  The PTWRITE packet is associated with
> the new ptwrite instruction, which is essentially just a way to stuff
> a 32 or 64 bit value into the PT trace.  More details can be found in
> the patches that add documentation and in the Intel SDM.
> 
> As far as I know, there isn't any hardware released that supports
> the new packets, however the CBR packet is not new and will now be
> visible by default.
> 
> There are also some miscellaneous improvements to Intel PT.
> 
> There are 3 patches that introduce a new way to define synthesized
> events that carry arbitrary raw_data.  I sent an RFC about that earlier.
> The 3 patches are:
>       perf script: Add 'synth' event type for synthesized events
>       perf script: Add 'synth' field for synthesized event payloads
>       perf script: Add synthesized Intel PT power and ptwrite events
> 
> 
> Changes in V2:
> 
> 	Reorder patches and add stable tags to fixes.
> 

Apart from "perf script: Add 'synth' event type for synthesized events"
patches still apply.  Any comments?

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Re: [PATCH V2 00/37] perf intel-pt: Power events and PTWRITE Adrian Hunter <adrian.hunter@intel.com> - 2017-06-12 15:20 +0200
  Re: [PATCH V2 00/37] perf intel-pt: Power events and PTWRITE Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-06-12 16:00 +0200

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