1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) 2012 ARM Ltd. 4 */ 5 6#ifndef __ASM_PERF_EVENT_H 7#define __ASM_PERF_EVENT_H 8 9#include <asm/stack_pointer.h> 10#include <asm/ptrace.h> 11 12#define ARMV8_PMU_MAX_COUNTERS 32 13#define ARMV8_PMU_COUNTER_MASK (ARMV8_PMU_MAX_COUNTERS - 1) 14 15/* 16 * Common architectural and microarchitectural event numbers. 17 */ 18#define ARMV8_PMUV3_PERFCTR_SW_INCR 0x00 19#define ARMV8_PMUV3_PERFCTR_L1I_CACHE_REFILL 0x01 20#define ARMV8_PMUV3_PERFCTR_L1I_TLB_REFILL 0x02 21#define ARMV8_PMUV3_PERFCTR_L1D_CACHE_REFILL 0x03 22#define ARMV8_PMUV3_PERFCTR_L1D_CACHE 0x04 23#define ARMV8_PMUV3_PERFCTR_L1D_TLB_REFILL 0x05 24#define ARMV8_PMUV3_PERFCTR_LD_RETIRED 0x06 25#define ARMV8_PMUV3_PERFCTR_ST_RETIRED 0x07 26#define ARMV8_PMUV3_PERFCTR_INST_RETIRED 0x08 27#define ARMV8_PMUV3_PERFCTR_EXC_TAKEN 0x09 28#define ARMV8_PMUV3_PERFCTR_EXC_RETURN 0x0A 29#define ARMV8_PMUV3_PERFCTR_CID_WRITE_RETIRED 0x0B 30#define ARMV8_PMUV3_PERFCTR_PC_WRITE_RETIRED 0x0C 31#define ARMV8_PMUV3_PERFCTR_BR_IMMED_RETIRED 0x0D 32#define ARMV8_PMUV3_PERFCTR_BR_RETURN_RETIRED 0x0E 33#define ARMV8_PMUV3_PERFCTR_UNALIGNED_LDST_RETIRED 0x0F 34#define ARMV8_PMUV3_PERFCTR_BR_MIS_PRED 0x10 35#define ARMV8_PMUV3_PERFCTR_CPU_CYCLES 0x11 36#define ARMV8_PMUV3_PERFCTR_BR_PRED 0x12 37#define ARMV8_PMUV3_PERFCTR_MEM_ACCESS 0x13 38#define ARMV8_PMUV3_PERFCTR_L1I_CACHE 0x14 39#define ARMV8_PMUV3_PERFCTR_L1D_CACHE_WB 0x15 40#define ARMV8_PMUV3_PERFCTR_L2D_CACHE 0x16 41#define ARMV8_PMUV3_PERFCTR_L2D_CACHE_REFILL 0x17 42#define ARMV8_PMUV3_PERFCTR_L2D_CACHE_WB 0x18 43#define ARMV8_PMUV3_PERFCTR_BUS_ACCESS 0x19 44#define ARMV8_PMUV3_PERFCTR_MEMORY_ERROR 0x1A 45#define ARMV8_PMUV3_PERFCTR_INST_SPEC 0x1B 46#define ARMV8_PMUV3_PERFCTR_TTBR_WRITE_RETIRED 0x1C 47#define ARMV8_PMUV3_PERFCTR_BUS_CYCLES 0x1D 48#define ARMV8_PMUV3_PERFCTR_CHAIN 0x1E 49#define ARMV8_PMUV3_PERFCTR_L1D_CACHE_ALLOCATE 0x1F 50#define ARMV8_PMUV3_PERFCTR_L2D_CACHE_ALLOCATE 0x20 51#define ARMV8_PMUV3_PERFCTR_BR_RETIRED 0x21 52#define ARMV8_PMUV3_PERFCTR_BR_MIS_PRED_RETIRED 0x22 53#define ARMV8_PMUV3_PERFCTR_STALL_FRONTEND 0x23 54#define ARMV8_PMUV3_PERFCTR_STALL_BACKEND 0x24 55#define ARMV8_PMUV3_PERFCTR_L1D_TLB 0x25 56#define ARMV8_PMUV3_PERFCTR_L1I_TLB 0x26 57#define ARMV8_PMUV3_PERFCTR_L2I_CACHE 0x27 58#define ARMV8_PMUV3_PERFCTR_L2I_CACHE_REFILL 0x28 59#define ARMV8_PMUV3_PERFCTR_L3D_CACHE_ALLOCATE 0x29 60#define ARMV8_PMUV3_PERFCTR_L3D_CACHE_REFILL 0x2A 61#define ARMV8_PMUV3_PERFCTR_L3D_CACHE 0x2B 62#define ARMV8_PMUV3_PERFCTR_L3D_CACHE_WB 0x2C 63#define ARMV8_PMUV3_PERFCTR_L2D_TLB_REFILL 0x2D 64#define ARMV8_PMUV3_PERFCTR_L2I_TLB_REFILL 0x2E 65#define ARMV8_PMUV3_PERFCTR_L2D_TLB 0x2F 66#define ARMV8_PMUV3_PERFCTR_L2I_TLB 0x30 67#define ARMV8_PMUV3_PERFCTR_REMOTE_ACCESS 0x31 68#define ARMV8_PMUV3_PERFCTR_LL_CACHE 0x32 69#define ARMV8_PMUV3_PERFCTR_LL_CACHE_MISS 0x33 70#define ARMV8_PMUV3_PERFCTR_DTLB_WALK 0x34 71#define ARMV8_PMUV3_PERFCTR_ITLB_WALK 0x35 72#define ARMV8_PMUV3_PERFCTR_LL_CACHE_RD 0x36 73#define ARMV8_PMUV3_PERFCTR_LL_CACHE_MISS_RD 0x37 74#define ARMV8_PMUV3_PERFCTR_REMOTE_ACCESS_RD 0x38 75 76/* Statistical profiling extension microarchitectural events */ 77#define ARMV8_SPE_PERFCTR_SAMPLE_POP 0x4000 78#define ARMV8_SPE_PERFCTR_SAMPLE_FEED 0x4001 79#define ARMV8_SPE_PERFCTR_SAMPLE_FILTRATE 0x4002 80#define ARMV8_SPE_PERFCTR_SAMPLE_COLLISION 0x4003 81 82/* ARMv8 recommended implementation defined event types */ 83#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_RD 0x40 84#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WR 0x41 85#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_RD 0x42 86#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_WR 0x43 87#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_INNER 0x44 88#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_OUTER 0x45 89#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WB_VICTIM 0x46 90#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WB_CLEAN 0x47 91#define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_INVAL 0x48 92 93#define ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_RD 0x4C 94#define ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_WR 0x4D 95#define ARMV8_IMPDEF_PERFCTR_L1D_TLB_RD 0x4E 96#define ARMV8_IMPDEF_PERFCTR_L1D_TLB_WR 0x4F 97#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_RD 0x50 98#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_WR 0x51 99#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_REFILL_RD 0x52 100#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_REFILL_WR 0x53 101 102#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_WB_VICTIM 0x56 103#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_WB_CLEAN 0x57 104#define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_INVAL 0x58 105 106#define ARMV8_IMPDEF_PERFCTR_L2D_TLB_REFILL_RD 0x5C 107#define ARMV8_IMPDEF_PERFCTR_L2D_TLB_REFILL_WR 0x5D 108#define ARMV8_IMPDEF_PERFCTR_L2D_TLB_RD 0x5E 109#define ARMV8_IMPDEF_PERFCTR_L2D_TLB_WR 0x5F 110#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD 0x60 111#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR 0x61 112#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_SHARED 0x62 113#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_NOT_SHARED 0x63 114#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_NORMAL 0x64 115#define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_PERIPH 0x65 116#define ARMV8_IMPDEF_PERFCTR_MEM_ACCESS_RD 0x66 117#define ARMV8_IMPDEF_PERFCTR_MEM_ACCESS_WR 0x67 118#define ARMV8_IMPDEF_PERFCTR_UNALIGNED_LD_SPEC 0x68 119#define ARMV8_IMPDEF_PERFCTR_UNALIGNED_ST_SPEC 0x69 120#define ARMV8_IMPDEF_PERFCTR_UNALIGNED_LDST_SPEC 0x6A 121 122#define ARMV8_IMPDEF_PERFCTR_LDREX_SPEC 0x6C 123#define ARMV8_IMPDEF_PERFCTR_STREX_PASS_SPEC 0x6D 124#define ARMV8_IMPDEF_PERFCTR_STREX_FAIL_SPEC 0x6E 125#define ARMV8_IMPDEF_PERFCTR_STREX_SPEC 0x6F 126#define ARMV8_IMPDEF_PERFCTR_LD_SPEC 0x70 127#define ARMV8_IMPDEF_PERFCTR_ST_SPEC 0x71 128#define ARMV8_IMPDEF_PERFCTR_LDST_SPEC 0x72 129#define ARMV8_IMPDEF_PERFCTR_DP_SPEC 0x73 130#define ARMV8_IMPDEF_PERFCTR_ASE_SPEC 0x74 131#define ARMV8_IMPDEF_PERFCTR_VFP_SPEC 0x75 132#define ARMV8_IMPDEF_PERFCTR_PC_WRITE_SPEC 0x76 133#define ARMV8_IMPDEF_PERFCTR_CRYPTO_SPEC 0x77 134#define ARMV8_IMPDEF_PERFCTR_BR_IMMED_SPEC 0x78 135#define ARMV8_IMPDEF_PERFCTR_BR_RETURN_SPEC 0x79 136#define ARMV8_IMPDEF_PERFCTR_BR_INDIRECT_SPEC 0x7A 137 138#define ARMV8_IMPDEF_PERFCTR_ISB_SPEC 0x7C 139#define ARMV8_IMPDEF_PERFCTR_DSB_SPEC 0x7D 140#define ARMV8_IMPDEF_PERFCTR_DMB_SPEC 0x7E 141 142#define ARMV8_IMPDEF_PERFCTR_EXC_UNDEF 0x81 143#define ARMV8_IMPDEF_PERFCTR_EXC_SVC 0x82 144#define ARMV8_IMPDEF_PERFCTR_EXC_PABORT 0x83 145#define ARMV8_IMPDEF_PERFCTR_EXC_DABORT 0x84 146 147#define ARMV8_IMPDEF_PERFCTR_EXC_IRQ 0x86 148#define ARMV8_IMPDEF_PERFCTR_EXC_FIQ 0x87 149#define ARMV8_IMPDEF_PERFCTR_EXC_SMC 0x88 150 151#define ARMV8_IMPDEF_PERFCTR_EXC_HVC 0x8A 152#define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_PABORT 0x8B 153#define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_DABORT 0x8C 154#define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_OTHER 0x8D 155#define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_IRQ 0x8E 156#define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_FIQ 0x8F 157#define ARMV8_IMPDEF_PERFCTR_RC_LD_SPEC 0x90 158#define ARMV8_IMPDEF_PERFCTR_RC_ST_SPEC 0x91 159 160#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_RD 0xA0 161#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_WR 0xA1 162#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_REFILL_RD 0xA2 163#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_REFILL_WR 0xA3 164 165#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_WB_VICTIM 0xA6 166#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_WB_CLEAN 0xA7 167#define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_INVAL 0xA8 168 169/* 170 * Per-CPU PMCR: config reg 171 */ 172#define ARMV8_PMU_PMCR_E (1 << 0) /* Enable all counters */ 173#define ARMV8_PMU_PMCR_P (1 << 1) /* Reset all counters */ 174#define ARMV8_PMU_PMCR_C (1 << 2) /* Cycle counter reset */ 175#define ARMV8_PMU_PMCR_D (1 << 3) /* CCNT counts every 64th cpu cycle */ 176#define ARMV8_PMU_PMCR_X (1 << 4) /* Export to ETM */ 177#define ARMV8_PMU_PMCR_DP (1 << 5) /* Disable CCNT if non-invasive debug*/ 178#define ARMV8_PMU_PMCR_LC (1 << 6) /* Overflow on 64 bit cycle counter */ 179#define ARMV8_PMU_PMCR_LP (1 << 7) /* Long event counter enable */ 180#define ARMV8_PMU_PMCR_N_SHIFT 11 /* Number of counters supported */ 181#define ARMV8_PMU_PMCR_N_MASK 0x1f 182#define ARMV8_PMU_PMCR_MASK 0xff /* Mask for writable bits */ 183 184/* 185 * PMOVSR: counters overflow flag status reg 186 */ 187#define ARMV8_PMU_OVSR_MASK 0xffffffff /* Mask for writable bits */ 188#define ARMV8_PMU_OVERFLOWED_MASK ARMV8_PMU_OVSR_MASK 189 190/* 191 * PMXEVTYPER: Event selection reg 192 */ 193#define ARMV8_PMU_EVTYPE_MASK 0xc800ffff /* Mask for writable bits */ 194#define ARMV8_PMU_EVTYPE_EVENT 0xffff /* Mask for EVENT bits */ 195 196/* 197 * Event filters for PMUv3 198 */ 199#define ARMV8_PMU_EXCLUDE_EL1 (1U << 31) 200#define ARMV8_PMU_EXCLUDE_EL0 (1U << 30) 201#define ARMV8_PMU_INCLUDE_EL2 (1U << 27) 202 203/* 204 * PMUSERENR: user enable reg 205 */ 206#define ARMV8_PMU_USERENR_MASK 0xf /* Mask for writable bits */ 207#define ARMV8_PMU_USERENR_EN (1 << 0) /* PMU regs can be accessed at EL0 */ 208#define ARMV8_PMU_USERENR_SW (1 << 1) /* PMSWINC can be written at EL0 */ 209#define ARMV8_PMU_USERENR_CR (1 << 2) /* Cycle counter can be read at EL0 */ 210#define ARMV8_PMU_USERENR_ER (1 << 3) /* Event counter can be read at EL0 */ 211 212#ifdef CONFIG_PERF_EVENTS 213struct pt_regs; 214extern unsigned long perf_instruction_pointer(struct pt_regs *regs); 215extern unsigned long perf_misc_flags(struct pt_regs *regs); 216#define perf_misc_flags(regs) perf_misc_flags(regs) 217#define perf_arch_bpf_user_pt_regs(regs) ®s->user_regs 218#endif 219 220#define perf_arch_fetch_caller_regs(regs, __ip) { \ 221 (regs)->pc = (__ip); \ 222 (regs)->regs[29] = (unsigned long) __builtin_frame_address(0); \ 223 (regs)->sp = current_stack_pointer; \ 224 (regs)->pstate = PSR_MODE_EL1h; \ 225} 226 227#endif 228