RE: [RFC v1 0/9] PEBS enabling in KVM guest

2019-08-29 Thread Kang, Luwei
> On Thu, Aug 29, 2019 at 01:34:00PM +0800, Luwei Kang wrote: > > Intel new hardware introduces some Precise Event-Based Sampling (PEBS) > > extensions that output the PEBS record to Intel PT stream instead of > > DS area. The PEBS record will be packaged in a specific format when > > outputing to

Re: [RFC v1 0/9] PEBS enabling in KVM guest

2019-08-29 Thread Peter Zijlstra
On Thu, Aug 29, 2019 at 01:34:00PM +0800, Luwei Kang wrote: > Intel new hardware introduces some Precise Event-Based Sampling (PEBS) > extensions that output the PEBS record to Intel PT stream instead of > DS area. The PEBS record will be packaged in a specific format when > outputing to Intel PT.

[RFC v1 0/9] PEBS enabling in KVM guest

2019-08-28 Thread Luwei Kang
Intel new hardware introduces some Precise Event-Based Sampling (PEBS) extensions that output the PEBS record to Intel PT stream instead of DS area. The PEBS record will be packaged in a specific format when outputing to Intel PT. This patch set will enable PEBS functionality in KVM Guest by PEBS