arch/arm64/include/asm/perf_event.h

   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_N_SHIFT  11       /* Number of counters supported */
 180 #define ARMV8_PMU_PMCR_N_MASK   0x1f
 181 #define ARMV8_PMU_PMCR_MASK     0x7f     /* Mask for writable bits */
 182
 183 /*
 184  * PMOVSR: counters overflow flag status reg
 185  */
 186 #define ARMV8_PMU_OVSR_MASK             0xffffffff      /* Mask for writable bits */
 187 #define ARMV8_PMU_OVERFLOWED_MASK       ARMV8_PMU_OVSR_MASK
 188
 189 /*
 190  * PMXEVTYPER: Event selection reg
 191  */
 192 #define ARMV8_PMU_EVTYPE_MASK   0xc800ffff      /* Mask for writable bits */
 193 #define ARMV8_PMU_EVTYPE_EVENT  0xffff          /* Mask for EVENT bits */
 194
 195 /*
 196  * Event filters for PMUv3
 197  */
 198 #define ARMV8_PMU_EXCLUDE_EL1   (1U << 31)
 199 #define ARMV8_PMU_EXCLUDE_EL0   (1U << 30)
 200 #define ARMV8_PMU_INCLUDE_EL2   (1U << 27)
 201
 202 /*
 203  * PMUSERENR: user enable reg
 204  */
 205 #define ARMV8_PMU_USERENR_MASK  0xf             /* Mask for writable bits */
 206 #define ARMV8_PMU_USERENR_EN    (1 << 0) /* PMU regs can be accessed at EL0 */
 207 #define ARMV8_PMU_USERENR_SW    (1 << 1) /* PMSWINC can be written at EL0 */
 208 #define ARMV8_PMU_USERENR_CR    (1 << 2) /* Cycle counter can be read at EL0 */
 209 #define ARMV8_PMU_USERENR_ER    (1 << 3) /* Event counter can be read at EL0 */
 210
 211 #ifdef CONFIG_PERF_EVENTS
 212 struct pt_regs;
 213 extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
 214 extern unsigned long perf_misc_flags(struct pt_regs *regs);
 215 #define perf_misc_flags(regs)   perf_misc_flags(regs)
 216 #define perf_arch_bpf_user_pt_regs(regs) &regs->user_regs
 217 #endif
 218
 219 #define perf_arch_fetch_caller_regs(regs, __ip) { \
 220         (regs)->pc = (__ip);    \
 221         (regs)->regs[29] = (unsigned long) __builtin_frame_address(0); \
 222         (regs)->sp = current_stack_pointer; \
 223         (regs)->pstate = PSR_MODE_EL1h; \
 224 }
 225
 226 #endif