Re: [PATCH v3 1/2] perf/kvm: Port perf kvm to powerpc

2015-05-20 Thread Hemant Kumar
Hi Scott, On 05/13/2015 08:52 AM, Scott Wood wrote: On Tue, 2015-05-12 at 21:34 +0530, Hemant Kumar wrote: Hi Scott, On 05/12/2015 03:38 AM, Scott Wood wrote: On Fri, 2015-05-08 at 06:37 +0530, Hemant Kumar wrote: diff --git a/arch/powerpc/include/uapi/asm/kvm_perf.h b/arch/powerpc/include/

Re: [PATCH v3 1/2] perf/kvm: Port perf kvm to powerpc

2015-05-12 Thread Scott Wood
On Tue, 2015-05-12 at 21:34 +0530, Hemant Kumar wrote: > Hi Scott, > > On 05/12/2015 03:38 AM, Scott Wood wrote: > > On Fri, 2015-05-08 at 06:37 +0530, Hemant Kumar wrote: > >> diff --git a/arch/powerpc/include/uapi/asm/kvm_perf.h > >> b/arch/powerpc/include/uapi/asm/kvm_perf.h > >> new file mode

Re: [PATCH v3 1/2] perf/kvm: Port perf kvm to powerpc

2015-05-12 Thread Hemant Kumar
Hi Scott, On 05/12/2015 03:38 AM, Scott Wood wrote: On Fri, 2015-05-08 at 06:37 +0530, Hemant Kumar wrote: From: Srikar Dronamraju perf kvm can be used to analyze guest exit reasons. This support already exists in x86. Hence, porting it to powerpc. - To trace KVM events : perf kvm stat

Re: [PATCH v3 1/2] perf/kvm: Port perf kvm to powerpc

2015-05-11 Thread Scott Wood
On Fri, 2015-05-08 at 06:37 +0530, Hemant Kumar wrote: > From: Srikar Dronamraju > > perf kvm can be used to analyze guest exit reasons. This support already > exists in x86. Hence, porting it to powerpc. > > - To trace KVM events : > perf kvm stat record > If many guests are running, we ca

Re: [PATCH v3 1/2] perf/kvm: Port perf kvm to powerpc

2015-05-07 Thread Ingo Molnar
* Hemant Kumar wrote: > > On 05/08/2015 09:58 AM, Ingo Molnar wrote: > >* Hemant Kumar wrote: > > > >> # perf kvm stat report -p 60515 > >>Analyze events for pid(s) 60515, all VCPUs: > >> > >>VM-EXITSamples Samples% Time%Min Time Max > >> Time Avg

Re: [PATCH v3 1/2] perf/kvm: Port perf kvm to powerpc

2015-05-07 Thread Hemant Kumar
On 05/08/2015 09:58 AM, Ingo Molnar wrote: * Hemant Kumar wrote: # perf kvm stat report -p 60515 Analyze events for pid(s) 60515, all VCPUs: VM-EXITSamples Samples% Time%Min Time Max Time Avg time H_DATA_STORAGE 500635.30% 0.13%

Re: [PATCH v3 1/2] perf/kvm: Port perf kvm to powerpc

2015-05-07 Thread Ingo Molnar
* Hemant Kumar wrote: > # perf kvm stat report -p 60515 > Analyze events for pid(s) 60515, all VCPUs: > >VM-EXITSamples Samples% Time%Min Time Max > Time Avg time > > H_DATA_STORAGE 500635.30% 0.13% 1.94us 49.46us > 12.3

[PATCH v3 1/2] perf/kvm: Port perf kvm to powerpc

2015-05-07 Thread Hemant Kumar
From: Srikar Dronamraju perf kvm can be used to analyze guest exit reasons. This support already exists in x86. Hence, porting it to powerpc. - To trace KVM events : perf kvm stat record If many guests are running, we can track for a specific guest by using --pid as in : perf kvm stat rec