diff options
Diffstat (limited to 'arch/arm/include/asm/perf_event.h')
| -rw-r--r-- | arch/arm/include/asm/perf_event.h | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/arm/include/asm/perf_event.h b/arch/arm/include/asm/perf_event.h index 49e3049aba3..755877527cf 100644 --- a/arch/arm/include/asm/perf_event.h +++ b/arch/arm/include/asm/perf_event.h @@ -13,19 +13,19 @@ #define __ARM_PERF_EVENT_H__ /* - * NOP: on *most* (read: all supported) ARM platforms, the performance - * counter interrupts are regular interrupts and not an NMI. This - * means that when we receive the interrupt we can call - * perf_event_do_pending() that handles all of the work with - * interrupts enabled. + * The ARMv7 CPU PMU supports up to 32 event counters. */ -static inline void -set_perf_event_pending(void) -{ -} +#define ARMPMU_MAX_HWEVENTS 32 -/* ARM performance counters start from 1 (in the cp15 accesses) so use the - * same indexes here for consistency. */ -#define PERF_EVENT_INDEX_OFFSET 1 +#define HW_OP_UNSUPPORTED 0xFFFF +#define C(_x) PERF_COUNT_HW_CACHE_##_x +#define CACHE_OP_UNSUPPORTED 0xFFFF + +#ifdef CONFIG_HW_PERF_EVENTS +struct pt_regs; +extern unsigned long perf_instruction_pointer(struct pt_regs *regs); +extern unsigned long perf_misc_flags(struct pt_regs *regs); +#define perf_misc_flags(regs) perf_misc_flags(regs) +#endif #endif /* __ARM_PERF_EVENT_H__ */ |