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Diffstat (limited to 'arch/arm/include/asm/perf_event.h')
| -rw-r--r-- | arch/arm/include/asm/perf_event.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/include/asm/perf_event.h b/arch/arm/include/asm/perf_event.h new file mode 100644 index 00000000..c4aa4e8c --- /dev/null +++ b/arch/arm/include/asm/perf_event.h @@ -0,0 +1,36 @@ +/* + * linux/arch/arm/include/asm/perf_event.h + * + * Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef __ARM_PERF_EVENT_H__ +#define __ARM_PERF_EVENT_H__ + +/* ARM performance counters start from 1 (in the cp15 accesses) so use the + * same indexes here for consistency. */ +#define PERF_EVENT_INDEX_OFFSET 1 + +/* ARM perf PMU IDs for use by internal perf clients. */ +enum arm_perf_pmu_ids { + ARM_PERF_PMU_ID_XSCALE1 = 0, + ARM_PERF_PMU_ID_XSCALE2, + ARM_PERF_PMU_ID_V6, + ARM_PERF_PMU_ID_V6MP, + ARM_PERF_PMU_ID_CA8, + ARM_PERF_PMU_ID_CA9, + ARM_NUM_PMU_IDS, +}; + +extern enum arm_perf_pmu_ids +armpmu_get_pmu_id(void); + +extern int +armpmu_get_max_events(void); + +#endif /* __ARM_PERF_EVENT_H__ */ |