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, - Arnaldo
