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__ */ 37