From 1979ae8c7215718c7a98f038bad0122034ad6529 Mon Sep 17 00:00:00 2001
From: Madhavan Srinivasan <maddy@linux.ibm.com>
Date: Fri, 17 Jul 2020 10:38:18 -0400
Subject: [PATCH] powerpc/xmon: Add PowerISA v3.1 PMU SPRs
References: jsc#SLE-13513
Patch-mainline: v5.9-rc1
Git-commit: 1979ae8c7215718c7a98f038bad0122034ad6529
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
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
arch/powerpc/xmon/xmon.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index d27944e38b04..f08b2ef1995a 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -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;
}
--
2.28.0