[PATCH v2 03/10] powerpc/xmon: Add PowerISA v3.1 PMU SPRs
Michael Ellerman
mpe at ellerman.id.au
Wed Jul 8 21:04:46 AEST 2020
Athira Rajeev <atrajeev at linux.vnet.ibm.com> writes:
> From: Madhavan Srinivasan <maddy at linux.ibm.com>
>
> PowerISA v3.1 added three new perfromance
> monitoring unit (PMU) speical purpose register (SPR).
> They are Monitor Mode Control Register 3 (MMCR3),
> Sampled Instruction Event Register 2 (SIER2),
> Sampled Instruction Event Register 3 (SIER3).
>
> Patch here adds a new dump function dump_310_sprs
> to print these SPR values.
>
> Signed-off-by: Madhavan Srinivasan <maddy at linux.ibm.com>
> ---
> arch/powerpc/xmon/xmon.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
> index 7efe4bc..8917fe8 100644
> --- a/arch/powerpc/xmon/xmon.c
> +++ b/arch/powerpc/xmon/xmon.c
> @@ -2022,6 +2022,20 @@ static void dump_300_sprs(void)
> #endif
> }
>
> +static void dump_310_sprs(void)
> +{
> +#ifdef CONFIG_PPC64
> + if (!cpu_has_feature(CPU_FTR_ARCH_31))
> + return;
> +
> + printf("mmcr3 = %.16lx\n",
> + mfspr(SPRN_MMCR3));
> +
> + printf("sier2 = %.16lx sier3 = %.16lx\n",
> + mfspr(SPRN_SIER2), mfspr(SPRN_SIER3));
Why not all on one line like many of the others?
cheers
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