diff options
| author |   Madhavan Srinivasan <maddy@linux.ibm.com> | 2020-07-17 10:38:18 -0400 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2020-07-22 21:56:41 +1000 |
| commit | 1979ae8c7215718c7a98f038bad0122034ad6529 (patch) | |
| tree | 1fe032dd35ecccec529114709dfb0fc5666a402e /arch/powerpc/xmon/xmon.c | |
| parent | KVM: PPC: Book3S HV: Save/restore new PMU registers (diff) | |
| download | linux-dev-1979ae8c7215718c7a98f038bad0122034ad6529.tar.xz linux-dev-1979ae8c7215718c7a98f038bad0122034ad6529.zip | |
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
Diffstat (limited to 'arch/powerpc/xmon/xmon.c')
| -rw-r--r-- | arch/powerpc/xmon/xmon.c | 13 |
1 files changed, 13 insertions, 0 deletions
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; } |