Re: [PATCH v3 1/2] powerpc/perf: Infrastructure to support checking of attr.config*

On 4/7/21 5:08 PM, Michael Ellerman wrote: Madhavan Srinivasan writes: diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 6817331e22ff..c6eeb4fdc5fd 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -1958,6 +1958,20 @@ stat

Re: [PATCH v3 1/2] powerpc/perf: Infrastructure to support checking of attr.config*

Madhavan Srinivasan writes: > diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c > index 6817331e22ff..c6eeb4fdc5fd 100644 > --- a/arch/powerpc/perf/core-book3s.c > +++ b/arch/powerpc/perf/core-book3s.c > @@ -1958,6 +1958,20 @@ static int power_pmu_event_init(struct per

Re: [PATCH v3 1/2] powerpc/perf: Infrastructure to support checking of attr.config*

> On 25-Mar-2021, at 5:23 PM, Madhavan Srinivasan wrote: > > Introduce code to support the checking of attr.config* for > values which are reserved for a given platform. > Performance Monitoring Unit (PMU) configuration registers > have fields that are reserved and some specific values for > b

[PATCH v3 1/2] powerpc/perf: Infrastructure to support checking of attr.config*

Introduce code to support the checking of attr.config* for values which are reserved for a given platform. Performance Monitoring Unit (PMU) configuration registers have fields that are reserved and some specific values for bit fields are reserved. For ex., MMCRA[61:62] is Random Sampling Mode (SM)