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 /* ARM performance counters start from 1 (in the cp15 accesses) so use the
  16  * same indexes here for consistency. */
  17 #define PERF_EVENT_INDEX_OFFSET 1
  18
  19 /* ARM perf PMU IDs for use by internal perf clients. */
  20 enum arm_perf_pmu_ids {
  21         ARM_PERF_PMU_ID_XSCALE1 = 0,
  22         ARM_PERF_PMU_ID_XSCALE2,
  23         ARM_PERF_PMU_ID_V6,
  24         ARM_PERF_PMU_ID_V6MP,
  25         ARM_PERF_PMU_ID_CA8,
  26         ARM_PERF_PMU_ID_CA9,
  27         ARM_NUM_PMU_IDS,
  28 };
  29
  30 extern enum arm_perf_pmu_ids
  31 armpmu_get_pmu_id(void);
  32
  33 extern int
  34 armpmu_get_max_events(void);
  35
  36 #endif /* __ARM_PERF_EVENT_H__ */