Messages in this thread | | | Subject | Re: [PATCH V2 00/37] perf intel-pt: Power events and PTWRITE | From | Adrian Hunter <> | Date | Wed, 21 Jun 2017 13:20:52 +0300 |
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On 12/06/17 16:56, Arnaldo Carvalho de Melo wrote: > Em Mon, Jun 12, 2017 at 04:04:44PM +0300, Adrian Hunter escreveu: >> 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? > > I'll look at it today,
I have sent V3 of two patches that did not now apply cleanly.
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