Re: [v3 11/15] powerpc/perf: BHRB control to disable BHRB logic when not used

2020-07-22 Thread Jordan Niethe
On Thu, Jul 23, 2020 at 11:26 AM Jordan Niethe wrote: > > On Sat, Jul 18, 2020 at 1:26 AM Athira Rajeev > wrote: > > > > PowerISA v3.1 has few updates for the Branch History Rolling Buffer(BHRB). > > > > BHRB disable is controlled via Monitor Mode Control Register A (MMCRA) > > bit, namely "BHRB

Re: [v3 11/15] powerpc/perf: BHRB control to disable BHRB logic when not used

2020-07-22 Thread Jordan Niethe
On Sat, Jul 18, 2020 at 1:26 AM Athira Rajeev wrote: > > PowerISA v3.1 has few updates for the Branch History Rolling Buffer(BHRB). > > BHRB disable is controlled via Monitor Mode Control Register A (MMCRA) > bit, namely "BHRB Recording Disable (BHRBRD)". This field controls > whether BHRB

Re: [v3 11/15] powerpc/perf: BHRB control to disable BHRB logic when not used

2020-07-20 Thread Gautham R Shenoy
On Fri, Jul 17, 2020 at 10:38:23AM -0400, Athira Rajeev wrote: > PowerISA v3.1 has few updates for the Branch History Rolling Buffer(BHRB). > > BHRB disable is controlled via Monitor Mode Control Register A (MMCRA) > bit, namely "BHRB Recording Disable (BHRBRD)". This field controls > whether

[v3 11/15] powerpc/perf: BHRB control to disable BHRB logic when not used

2020-07-17 Thread Athira Rajeev
PowerISA v3.1 has few updates for the Branch History Rolling Buffer(BHRB). BHRB disable is controlled via Monitor Mode Control Register A (MMCRA) bit, namely "BHRB Recording Disable (BHRBRD)". This field controls whether BHRB entries are written when BHRB recording is enabled by other bits. This