diff options
Diffstat (limited to 'arch/arm/include/asm/pmu.h')
| -rw-r--r-- | arch/arm/include/asm/pmu.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h index ae1919be8f98..0b648c541293 100644 --- a/arch/arm/include/asm/pmu.h +++ b/arch/arm/include/asm/pmu.h @@ -42,6 +42,25 @@ struct arm_pmu_platdata { #ifdef CONFIG_HW_PERF_EVENTS +/* + * The ARMv7 CPU PMU supports up to 32 event counters. + */ +#define ARMPMU_MAX_HWEVENTS 32 + +#define HW_OP_UNSUPPORTED 0xFFFF +#define C(_x) PERF_COUNT_HW_CACHE_##_x +#define CACHE_OP_UNSUPPORTED 0xFFFF + +#define PERF_MAP_ALL_UNSUPPORTED \ + [0 ... PERF_COUNT_HW_MAX - 1] = HW_OP_UNSUPPORTED + +#define PERF_CACHE_MAP_ALL_UNSUPPORTED \ +[0 ... C(MAX) - 1] = { \ + [0 ... C(OP_MAX) - 1] = { \ + [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED, \ + }, \ +} + /* The events for a given PMU register set. */ struct pmu_hw_events { /* |