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| author | Athira Rajeev <atrajeev@linux.vnet.ibm.com> | 2020-08-07 13:05:01 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-08-17 06:11:22 +0300 |
| commit | d735599a069f6936c1392e07075c34a19bda949a (patch) | |
| tree | dbb212110804b989cf6ceed937e05b0ea224035f /arch/powerpc/include/uapi/asm | |
| parent | 781fa4811d95314c1965c0c3337c9ac36ef26093 (diff) | |
| download | linux-d735599a069f6936c1392e07075c34a19bda949a.tar.xz | |
powerpc/perf: Add extended regs support for power10 platform
Include capability flag PERF_PMU_CAP_EXTENDED_REGS for power10 and
expose MMCR3, SIER2, SIER3 registers as part of extended regs. Also
introduce PERF_REG_PMU_MASK_31 to define extended mask value at
runtime for power10.
Suggested-by: Ryan Grimm <grimm@linux.ibm.com>
Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Tested-by: Nageswara R Sastry <nasastry@in.ibm.com>
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-and-tested-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1596794701-23530-3-git-send-email-atrajeev@linux.vnet.ibm.com
Diffstat (limited to 'arch/powerpc/include/uapi/asm')
| -rw-r--r-- | arch/powerpc/include/uapi/asm/perf_regs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/uapi/asm/perf_regs.h b/arch/powerpc/include/uapi/asm/perf_regs.h index 225c64c56813..bdf5f10f8b9f 100644 --- a/arch/powerpc/include/uapi/asm/perf_regs.h +++ b/arch/powerpc/include/uapi/asm/perf_regs.h @@ -52,6 +52,9 @@ enum perf_event_powerpc_regs { PERF_REG_POWERPC_MMCR0, PERF_REG_POWERPC_MMCR1, PERF_REG_POWERPC_MMCR2, + PERF_REG_POWERPC_MMCR3, + PERF_REG_POWERPC_SIER2, + PERF_REG_POWERPC_SIER3, /* Max regs without the extended regs */ PERF_REG_POWERPC_MAX = PERF_REG_POWERPC_MMCRA + 1, }; @@ -60,6 +63,9 @@ enum perf_event_powerpc_regs { /* PERF_REG_EXTENDED_MASK value for CPU_FTR_ARCH_300 */ #define PERF_REG_PMU_MASK_300 (((1ULL << (PERF_REG_POWERPC_MMCR2 + 1)) - 1) - PERF_REG_PMU_MASK) +/* PERF_REG_EXTENDED_MASK value for CPU_FTR_ARCH_31 */ +#define PERF_REG_PMU_MASK_31 (((1ULL << (PERF_REG_POWERPC_SIER3 + 1)) - 1) - PERF_REG_PMU_MASK) #define PERF_REG_MAX_ISA_300 (PERF_REG_POWERPC_MMCR2 + 1) +#define PERF_REG_MAX_ISA_31 (PERF_REG_POWERPC_SIER3 + 1) #endif /* _UAPI_ASM_POWERPC_PERF_REGS_H */ |