[PATCH 0/2] powerpc/perf: Add instruction and data address registers to extended regs

Athira Rajeev atrajeev at linux.vnet.ibm.com
Mon Sep 6 12:43:13 AEST 2021



> On 02-Sep-2021, at 1:04 PM, kajoljain <kjain at linux.ibm.com> wrote:
> 
> 
> 
> On 6/20/21 8:15 PM, Athira Rajeev wrote:
>> Patch set adds PMU registers namely Sampled Instruction Address Register
>> (SIAR) and Sampled Data Address Register (SDAR) as part of extended regs
>> in PowerPC. These registers provides the instruction/data address and
>> adding these to extended regs helps in debug purposes.
>> 
>> Patch 1/2 adds SIAR and SDAR as part of the extended regs mask.
>> Patch 2/2 includes perf tools side changes to add the SPRs to
>> sample_reg_mask to use with -I? option.
>> 
>> Athira Rajeev (2):
>>  powerpc/perf: Expose instruction and data address registers as part of
>>    extended regs
>>  tools/perf: Add perf tools support to expose instruction and data
>>    address registers as part of extended regs
>> 
> 
> Patchset looks good to me.
> 
> Reviewed-By: kajol Jain<kjain at linux.ibm.com>

Hi Arnaldo,

Requesting for your review on this patchset.

Thanks
Athira
> 
> Thanks,
> Kajol Jain
> 
>> arch/powerpc/include/uapi/asm/perf_regs.h       | 12 +++++++-----
>> arch/powerpc/perf/perf_regs.c                   |  4 ++++
>> tools/arch/powerpc/include/uapi/asm/perf_regs.h | 12 +++++++-----
>> tools/perf/arch/powerpc/include/perf_regs.h     |  2 ++
>> tools/perf/arch/powerpc/util/perf_regs.c        |  2 ++
>> 5 files changed, 22 insertions(+), 10 deletions(-)



More information about the Linuxppc-dev mailing list