On 12/6/24 19:26, Athira Rajeev wrote:
> Perf tools side uses extended mask to display the platform
> supported register names (with -I? option) to the user
> and also send this mask to the kernel to capture the extended registers
> as part of each sample. This mask value is decided based on
> the processor version ( from PVR ).
>
> Add PVR value for power11 to enable capturing the extended regs
> as part of sample in power11.
Patch looks fine to me.
Reviewed-by: Kajol Jain <kj...@linux.ibm.com>
>
> Signed-off-by: Athira Rajeev <atraj...@linux.vnet.ibm.com>
> ---
>
> tools/perf/arch/powerpc/util/perf_regs.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/arch/powerpc/util/perf_regs.c
> b/tools/perf/arch/powerpc/util/perf_regs.c
> index e8e6e6fc6f17..bd36cfd420a2 100644
> --- a/tools/perf/arch/powerpc/util/perf_regs.c
> +++ b/tools/perf/arch/powerpc/util/perf_regs.c
> @@ -16,6 +16,7 @@
>
> #define PVR_POWER9 0x004E
> #define PVR_POWER10 0x0080
> +#define PVR_POWER11 0x0082
>
> static const struct sample_reg sample_reg_masks[] = {
> SMPL_REG(r0, PERF_REG_POWERPC_R0),
> @@ -207,7 +208,7 @@ uint64_t arch__intr_reg_mask(void)
> version = (((mfspr(SPRN_PVR)) >> 16) & 0xFFFF);
> if (version == PVR_POWER9)
> extended_mask = PERF_REG_PMU_MASK_300;
> - else if (version == PVR_POWER10)
> + else if ((version == PVR_POWER10) || (version == PVR_POWER11))
> extended_mask = PERF_REG_PMU_MASK_31;
> else
> return mask;
