arch/arm/include/asm/perf_event.h

   1 /*
   2  *  linux/arch/arm/include/asm/perf_event.h
   3  *
   4  *  Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  */
  11
  12 #ifndef __ARM_PERF_EVENT_H__
  13 #define __ARM_PERF_EVENT_H__
  14
  15 /*
  16  * The ARMv7 CPU PMU supports up to 32 event counters.
  17  */
  18 #define ARMPMU_MAX_HWEVENTS             32
  19
  20 #define HW_OP_UNSUPPORTED               0xFFFF
  21 #define C(_x)                           PERF_COUNT_HW_CACHE_##_x
  22 #define CACHE_OP_UNSUPPORTED            0xFFFF
  23
  24 #ifdef CONFIG_HW_PERF_EVENTS
  25 struct pt_regs;
  26 extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
  27 extern unsigned long perf_misc_flags(struct pt_regs *regs);
  28 #define perf_misc_flags(regs)   perf_misc_flags(regs)
  29 #endif
  30
  31 #endif /* __ARM_PERF_EVENT_H__ */