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 #define ARMV8_PMUV3_PERFCTR_L1D_CACHE_LMISS_RD 0x39 76 #define ARMV8_PMUV3_PERFCTR_OP_RETIRED 0x3A 77 #define ARMV8_PMUV3_PERFCTR_OP_SPEC 0x3B 78 #define ARMV8_PMUV3_PERFCTR_STALL 0x3C 79 #define ARMV8_PMUV3_PERFCTR_STALL_SLOT_BACKEND 0x3D 80 #define ARMV8_PMUV3_PERFCTR_STALL_SLOT_FRONTEND 0x3E 81 #define ARMV8_PMUV3_PERFCTR_STALL_SLOT 0x3F 82 83 /* Statistical profiling extension microarchitectural events */ 84 #define ARMV8_SPE_PERFCTR_SAMPLE_POP 0x4000 85 #define ARMV8_SPE_PERFCTR_SAMPLE_FEED 0x4001 86 #define ARMV8_SPE_PERFCTR_SAMPLE_FILTRATE 0x4002 87 #define ARMV8_SPE_PERFCTR_SAMPLE_COLLISION 0x4003 88 89 /* AMUv1 architecture events */ 90 #define ARMV8_AMU_PERFCTR_CNT_CYCLES 0x4004 91 #define ARMV8_AMU_PERFCTR_STALL_BACKEND_MEM 0x4005 92 93 /* long-latency read miss events */ 94 #define ARMV8_PMUV3_PERFCTR_L1I_CACHE_LMISS 0x4006 95 #define ARMV8_PMUV3_PERFCTR_L2D_CACHE_LMISS_RD 0x4009 96 #define ARMV8_PMUV3_PERFCTR_L2I_CACHE_LMISS 0x400A 97 #define ARMV8_PMUV3_PERFCTR_L3D_CACHE_LMISS_RD 0x400B 98 99 /* additional latency from alignment events */ 100 #define ARMV8_PMUV3_PERFCTR_LDST_ALIGN_LAT 0x4020 101 #define ARMV8_PMUV3_PERFCTR_LD_ALIGN_LAT 0x4021 102 #define ARMV8_PMUV3_PERFCTR_ST_ALIGN_LAT 0x4022 103 104 /* Armv8.5 Memory Tagging Extension events */ 105 #define ARMV8_MTE_PERFCTR_MEM_ACCESS_CHECKED 0x4024 106 #define ARMV8_MTE_PERFCTR_MEM_ACCESS_CHECKED_RD 0x4025 107 #define ARMV8_MTE_PERFCTR_MEM_ACCESS_CHECKED_WR 0x4026 108 109 /* ARMv8 recommended implementation defined event types */ 110 #define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_RD 0x40 111 #define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WR 0x41 112 #define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_RD 0x42 113 #define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_WR 0x43 114 #define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_INNER 0x44 115 #define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_REFILL_OUTER 0x45 116 #define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WB_VICTIM 0x46 117 #define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WB_CLEAN 0x47 118 #define ARMV8_IMPDEF_PERFCTR_L1D_CACHE_INVAL 0x48 119 120 #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_RD 0x4C 121 #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_WR 0x4D 122 #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_RD 0x4E 123 #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_WR 0x4F 124 #define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_RD 0x50 125 #define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_WR 0x51 126 #define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_REFILL_RD 0x52 127 #define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_REFILL_WR 0x53 128 129 #define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_WB_VICTIM 0x56 130 #define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_WB_CLEAN 0x57 131 #define ARMV8_IMPDEF_PERFCTR_L2D_CACHE_INVAL 0x58 132 133 #define ARMV8_IMPDEF_PERFCTR_L2D_TLB_REFILL_RD 0x5C 134 #define ARMV8_IMPDEF_PERFCTR_L2D_TLB_REFILL_WR 0x5D 135 #define ARMV8_IMPDEF_PERFCTR_L2D_TLB_RD 0x5E 136 #define ARMV8_IMPDEF_PERFCTR_L2D_TLB_WR 0x5F 137 #define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD 0x60 138 #define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR 0x61 139 #define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_SHARED 0x62 140 #define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_NOT_SHARED 0x63 141 #define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_NORMAL 0x64 142 #define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_PERIPH 0x65 143 #define ARMV8_IMPDEF_PERFCTR_MEM_ACCESS_RD 0x66 144 #define ARMV8_IMPDEF_PERFCTR_MEM_ACCESS_WR 0x67 145 #define ARMV8_IMPDEF_PERFCTR_UNALIGNED_LD_SPEC 0x68 146 #define ARMV8_IMPDEF_PERFCTR_UNALIGNED_ST_SPEC 0x69 147 #define ARMV8_IMPDEF_PERFCTR_UNALIGNED_LDST_SPEC 0x6A 148 149 #define ARMV8_IMPDEF_PERFCTR_LDREX_SPEC 0x6C 150 #define ARMV8_IMPDEF_PERFCTR_STREX_PASS_SPEC 0x6D 151 #define ARMV8_IMPDEF_PERFCTR_STREX_FAIL_SPEC 0x6E 152 #define ARMV8_IMPDEF_PERFCTR_STREX_SPEC 0x6F 153 #define ARMV8_IMPDEF_PERFCTR_LD_SPEC 0x70 154 #define ARMV8_IMPDEF_PERFCTR_ST_SPEC 0x71 155 #define ARMV8_IMPDEF_PERFCTR_LDST_SPEC 0x72 156 #define ARMV8_IMPDEF_PERFCTR_DP_SPEC 0x73 157 #define ARMV8_IMPDEF_PERFCTR_ASE_SPEC 0x74 158 #define ARMV8_IMPDEF_PERFCTR_VFP_SPEC 0x75 159 #define ARMV8_IMPDEF_PERFCTR_PC_WRITE_SPEC 0x76 160 #define ARMV8_IMPDEF_PERFCTR_CRYPTO_SPEC 0x77 161 #define ARMV8_IMPDEF_PERFCTR_BR_IMMED_SPEC 0x78 162 #define ARMV8_IMPDEF_PERFCTR_BR_RETURN_SPEC 0x79 163 #define ARMV8_IMPDEF_PERFCTR_BR_INDIRECT_SPEC 0x7A 164 165 #define ARMV8_IMPDEF_PERFCTR_ISB_SPEC 0x7C 166 #define ARMV8_IMPDEF_PERFCTR_DSB_SPEC 0x7D 167 #define ARMV8_IMPDEF_PERFCTR_DMB_SPEC 0x7E 168 169 #define ARMV8_IMPDEF_PERFCTR_EXC_UNDEF 0x81 170 #define ARMV8_IMPDEF_PERFCTR_EXC_SVC 0x82 171 #define ARMV8_IMPDEF_PERFCTR_EXC_PABORT 0x83 172 #define ARMV8_IMPDEF_PERFCTR_EXC_DABORT 0x84 173 174 #define ARMV8_IMPDEF_PERFCTR_EXC_IRQ 0x86 175 #define ARMV8_IMPDEF_PERFCTR_EXC_FIQ 0x87 176 #define ARMV8_IMPDEF_PERFCTR_EXC_SMC 0x88 177 178 #define ARMV8_IMPDEF_PERFCTR_EXC_HVC 0x8A 179 #define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_PABORT 0x8B 180 #define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_DABORT 0x8C 181 #define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_OTHER 0x8D 182 #define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_IRQ 0x8E 183 #define ARMV8_IMPDEF_PERFCTR_EXC_TRAP_FIQ 0x8F 184 #define ARMV8_IMPDEF_PERFCTR_RC_LD_SPEC 0x90 185 #define ARMV8_IMPDEF_PERFCTR_RC_ST_SPEC 0x91 186 187 #define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_RD 0xA0 188 #define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_WR 0xA1 189 #define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_REFILL_RD 0xA2 190 #define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_REFILL_WR 0xA3 191 192 #define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_WB_VICTIM 0xA6 193 #define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_WB_CLEAN 0xA7 194 #define ARMV8_IMPDEF_PERFCTR_L3D_CACHE_INVAL 0xA8 195 196 /* 197 * Per-CPU PMCR: config reg 198 */ 199 #define ARMV8_PMU_PMCR_E (1 << 0) /* Enable all counters */ 200 #define ARMV8_PMU_PMCR_P (1 << 1) /* Reset all counters */ 201 #define ARMV8_PMU_PMCR_C (1 << 2) /* Cycle counter reset */ 202 #define ARMV8_PMU_PMCR_D (1 << 3) /* CCNT counts every 64th cpu cycle */ 203 #define ARMV8_PMU_PMCR_X (1 << 4) /* Export to ETM */ 204 #define ARMV8_PMU_PMCR_DP (1 << 5) /* Disable CCNT if non-invasive debug*/ 205 #define ARMV8_PMU_PMCR_LC (1 << 6) /* Overflow on 64 bit cycle counter */ 206 #define ARMV8_PMU_PMCR_LP (1 << 7) /* Long event counter enable */ 207 #define ARMV8_PMU_PMCR_N_SHIFT 11 /* Number of counters supported */ 208 #define ARMV8_PMU_PMCR_N_MASK 0x1f 209 #define ARMV8_PMU_PMCR_MASK 0xff /* Mask for writable bits */ 210 211 /* 212 * PMOVSR: counters overflow flag status reg 213 */ 214 #define ARMV8_PMU_OVSR_MASK 0xffffffff /* Mask for writable bits */ 215 #define ARMV8_PMU_OVERFLOWED_MASK ARMV8_PMU_OVSR_MASK 216 217 /* 218 * PMXEVTYPER: Event selection reg 219 */ 220 #define ARMV8_PMU_EVTYPE_MASK 0xc800ffff /* Mask for writable bits */ 221 #define ARMV8_PMU_EVTYPE_EVENT 0xffff /* Mask for EVENT bits */ 222 223 /* 224 * Event filters for PMUv3 225 */ 226 #define ARMV8_PMU_EXCLUDE_EL1 (1U << 31) 227 #define ARMV8_PMU_EXCLUDE_EL0 (1U << 30) 228 #define ARMV8_PMU_INCLUDE_EL2 (1U << 27) 229 230 /* 231 * PMUSERENR: user enable reg 232 */ 233 #define ARMV8_PMU_USERENR_MASK 0xf /* Mask for writable bits */ 234 #define ARMV8_PMU_USERENR_EN (1 << 0) /* PMU regs can be accessed at EL0 */ 235 #define ARMV8_PMU_USERENR_SW (1 << 1) /* PMSWINC can be written at EL0 */ 236 #define ARMV8_PMU_USERENR_CR (1 << 2) /* Cycle counter can be read at EL0 */ 237 #define ARMV8_PMU_USERENR_ER (1 << 3) /* Event counter can be read at EL0 */ 238 239 #ifdef CONFIG_PERF_EVENTS 240 struct pt_regs; 241 extern unsigned long perf_instruction_pointer(struct pt_regs *regs); 242 extern unsigned long perf_misc_flags(struct pt_regs *regs); 243 #define perf_misc_flags(regs) perf_misc_flags(regs) 244 #define perf_arch_bpf_user_pt_regs(regs) ®s->user_regs 245 #endif 246 247 #define perf_arch_fetch_caller_regs(regs, __ip) { \ 248 (regs)->pc = (__ip); \ 249 (regs)->regs[29] = (unsigned long) __builtin_frame_address(0); \ 250 (regs)->sp = current_stack_pointer; \ 251 (regs)->pstate = PSR_MODE_EL1h; \ 252 } 253 254 #endif 255