Re: [PATCH] powerpc/perf: Fix for core/nest imc call trace on cpuhotplug

2017-10-05 Thread Anju T Sudhakar
Hi Santosh, On Thursday 05 October 2017 03:20 PM, Santosh Sivaraj wrote: * Anju T Sudhakar wrote (on 2017-10-04 06:50:52 +): Nest/core pmu units are enabled only when it is used. A reference count is maintained for the events which uses the nest/core pmu units.

Re: [PATCH] powerpc/perf: Fix for core/nest imc call trace on cpuhotplug

2017-10-05 Thread Anju T Sudhakar
Hi Santosh, On Thursday 05 October 2017 03:20 PM, Santosh Sivaraj wrote: * Anju T Sudhakar wrote (on 2017-10-04 06:50:52 +): Nest/core pmu units are enabled only when it is used. A reference count is maintained for the events which uses the nest/core pmu units. Currently in

Re: [PATCH] powerpc/perf: Fix for core/nest imc call trace on cpuhotplug

2017-10-05 Thread Santosh Sivaraj
* Anju T Sudhakar wrote (on 2017-10-04 06:50:52 +): > Nest/core pmu units are enabled only when it is used. A reference count is > > maintained for the events which uses the nest/core pmu units. Currently in > > *_imc_counters_release function a WARN()

Re: [PATCH] powerpc/perf: Fix for core/nest imc call trace on cpuhotplug

2017-10-05 Thread Santosh Sivaraj
* Anju T Sudhakar wrote (on 2017-10-04 06:50:52 +): > Nest/core pmu units are enabled only when it is used. A reference count is > > maintained for the events which uses the nest/core pmu units. Currently in > > *_imc_counters_release function a WARN() is used for notification

Re: [PATCH] powerpc/perf: Fix for core/nest imc call trace on cpuhotplug

2017-09-25 Thread Anju T Sudhakar
Hi mpe, On Thursday 21 September 2017 10:04 AM, Michael Ellerman wrote: Anju T Sudhakar writes: Nest/core pmu units are enabled only when it is used. A reference count is maintained for the events which uses the nest/core pmu units. Currently in

Re: [PATCH] powerpc/perf: Fix for core/nest imc call trace on cpuhotplug

2017-09-25 Thread Anju T Sudhakar
Hi mpe, On Thursday 21 September 2017 10:04 AM, Michael Ellerman wrote: Anju T Sudhakar writes: Nest/core pmu units are enabled only when it is used. A reference count is maintained for the events which uses the nest/core pmu units. Currently in *_imc_counters_release function a WARN() is

Re: [PATCH] powerpc/perf: Fix for core/nest imc call trace on cpuhotplug

2017-09-20 Thread Michael Ellerman
Anju T Sudhakar writes: > Nest/core pmu units are enabled only when it is used. A reference count is > maintained for the events which uses the nest/core pmu units. Currently in > *_imc_counters_release function a WARN() is used for notification of any > underflow of ref

Re: [PATCH] powerpc/perf: Fix for core/nest imc call trace on cpuhotplug

2017-09-20 Thread Michael Ellerman
Anju T Sudhakar writes: > Nest/core pmu units are enabled only when it is used. A reference count is > maintained for the events which uses the nest/core pmu units. Currently in > *_imc_counters_release function a WARN() is used for notification of any > underflow of ref count. Replace WARN()