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?
