Re: [PATCH v2 07/10] powerpc/perf: support BHRB disable bit and new filtering modes

2020-07-08 Thread Athira Rajeev
> On 08-Jul-2020, at 5:12 PM, Michael Ellerman wrote: > > Athira Rajeev > writes: > >> PowerISA v3.1 has few updates for the Branch History Rolling Buffer(BHRB). > ^ > a >> First is the addition of BHRB disable bit and

Re: [PATCH v2 07/10] powerpc/perf: support BHRB disable bit and new filtering modes

2020-07-08 Thread Athira Rajeev
> On 08-Jul-2020, at 1:13 PM, Gautham R Shenoy wrote: > > On Tue, Jul 07, 2020 at 05:17:55PM +1000, Michael Neuling wrote: >> On Wed, 2020-07-01 at 05:20 -0400, Athira Rajeev wrote: >>> PowerISA v3.1 has few updates for the Branch History Rolling Buffer(BHRB). >>> First is the addition of BHRB

Re: [PATCH v2 07/10] powerpc/perf: support BHRB disable bit and new filtering modes

2020-07-08 Thread Michael Ellerman
Athira Rajeev writes: > PowerISA v3.1 has few updates for the Branch History Rolling Buffer(BHRB). ^ a > First is the addition of BHRB disable bit and second new filtering ^

Re: [PATCH v2 07/10] powerpc/perf: support BHRB disable bit and new filtering modes

2020-07-08 Thread Athira Rajeev
> On 07-Jul-2020, at 12:47 PM, Michael Neuling wrote: > > On Wed, 2020-07-01 at 05:20 -0400, Athira Rajeev wrote: >> PowerISA v3.1 has few updates for the Branch History Rolling Buffer(BHRB). >> First is the addition of BHRB disable bit and second new filtering >> modes for BHRB. >> >> BHRB

Re: [PATCH v2 07/10] powerpc/perf: support BHRB disable bit and new filtering modes

2020-07-08 Thread Gautham R Shenoy
On Tue, Jul 07, 2020 at 05:17:55PM +1000, Michael Neuling wrote: > On Wed, 2020-07-01 at 05:20 -0400, Athira Rajeev wrote: > > PowerISA v3.1 has few updates for the Branch History Rolling Buffer(BHRB). > > First is the addition of BHRB disable bit and second new filtering > > modes for BHRB. > >

Re: [PATCH v2 07/10] powerpc/perf: support BHRB disable bit and new filtering modes

2020-07-07 Thread Michael Neuling
On Wed, 2020-07-01 at 05:20 -0400, Athira Rajeev wrote: > PowerISA v3.1 has few updates for the Branch History Rolling Buffer(BHRB). > First is the addition of BHRB disable bit and second new filtering > modes for BHRB. > > BHRB disable is controlled via Monitor Mode Control Register A (MMCRA) >

[PATCH v2 07/10] powerpc/perf: support BHRB disable bit and new filtering modes

2020-07-01 Thread Athira Rajeev
PowerISA v3.1 has few updates for the Branch History Rolling Buffer(BHRB). First is the addition of BHRB disable bit and second new filtering modes for BHRB. BHRB disable is controlled via Monitor Mode Control Register A (MMCRA) bit 26, namely "BHRB Recording Disable (BHRBRD)". This field