[PATCH 3/7] powerpc/xmon: Add PowerISA v3.1 PMU SPRs
From: Athira Rajeev <hidden>
Date: 2020-06-05 08:03:53
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
From: Madhavan Srinivasan <maddy@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@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 b34d703..6fd5f4e 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c@@ -2023,6 +2023,20 @@ 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)); +#endif +} + static void dump_one_spr(int spr, bool show_unimplemented) { unsigned long val;
@@ -2077,6 +2091,7 @@ static void super_regs(void) dump_206_sprs(); dump_207_sprs(); dump_300_sprs(); + dump_310_sprs(); return; }
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1.8.3.1