Commit 1979ae8c authored Jul 17, 2020 by Madhavan Srinivasan Committed by Michael Ellerman Jul 22, 2020

powerpc/xmon: Add PowerISA v3.1 PMU SPRs



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>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1594996707-3727-7-git-send-email-atrajeev@linux.vnet.ibm.com

parent 5752fe0b

arch/powerpc/xmon/xmon.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -2029,6 +2029,18 @@ 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, sier2 = %.16lx, sier3 = %.16lx\n",
		mfspr(SPRN_MMCR3), mfspr(SPRN_SIER2), mfspr(SPRN_SIER3));

		#endif
		}

		static void dump_one_spr(int spr, bool show_unimplemented)
		{
		unsigned long val;
		@@ -2083,6 +2095,7 @@ static void super_regs(void)
		dump_206_sprs();
		dump_207_sprs();
		dump_300_sprs();
		dump_310_sprs();

		return;
		}

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