1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /*---------------------------------------- 3 PERFORMANCE INSTRUMENTATION 4 Guillaume Thouvenin 08/10/98 5 David S. Miller 10/06/98 6 ---------------------------------------*/ 7 #ifndef PERF_COUNTER_API 8 #define PERF_COUNTER_API 9 10 /* sys_perfctr() interface. First arg is operation code 11 * from enumeration below. The meaning of further arguments 12 * are determined by the operation code. 13 * 14 * NOTE: This system call is no longer provided, use the perf_events 15 * infrastructure. 16 * 17 * Pointers which are passed by the user are pointers to 64-bit 18 * integers. 19 * 20 * Once enabled, performance counter state is retained until the 21 * process either exits or performs an exec. That is, performance 22 * counters remain enabled for fork/clone children. 23 */ 24 enum perfctr_opcode { 25 /* Enable UltraSparc performance counters, ARG0 is pointer 26 * to 64-bit accumulator for D0 counter in PIC, ARG1 is pointer 27 * to 64-bit accumulator for D1 counter. ARG2 is a pointer to 28 * the initial PCR register value to use. 29 */ 30 PERFCTR_ON, 31 32 /* Disable UltraSparc performance counters. The PCR is written 33 * with zero and the user counter accumulator pointers and 34 * working PCR register value are forgotten. 35 */ 36 PERFCTR_OFF, 37 38 /* Add current D0 and D1 PIC values into user pointers given 39 * in PERFCTR_ON operation. The PIC is cleared before returning. 40 */ 41 PERFCTR_READ, 42 43 /* Clear the PIC register. */ 44 PERFCTR_CLRPIC, 45 46 /* Begin using a new PCR value, the pointer to which is passed 47 * in ARG0. The PIC is also cleared after the new PCR value is 48 * written. 49 */ 50 PERFCTR_SETPCR, 51 52 /* Store in pointer given in ARG0 the current PCR register value 53 * being used. 54 */ 55 PERFCTR_GETPCR 56 }; 57 58 #define PRIV 0x00000001 59 #define SYS 0x00000002 60 #define USR 0x00000004 61 62 /* Pic.S0 Selection Bit Field Encoding, Ultra-I/II */ 63 #define CYCLE_CNT 0x00000000 64 #define INSTR_CNT 0x00000010 65 #define DISPATCH0_IC_MISS 0x00000020 66 #define DISPATCH0_STOREBUF 0x00000030 67 #define IC_REF 0x00000080 68 #define DC_RD 0x00000090 69 #define DC_WR 0x000000A0 70 #define LOAD_USE 0x000000B0 71 #define EC_REF 0x000000C0 72 #define EC_WRITE_HIT_RDO 0x000000D0 73 #define EC_SNOOP_INV 0x000000E0 74 #define EC_RD_HIT 0x000000F0 75 76 /* Pic.S0 Selection Bit Field Encoding, Ultra-III */ 77 #define US3_CYCLE_CNT 0x00000000 78 #define US3_INSTR_CNT 0x00000010 79 #define US3_DISPATCH0_IC_MISS 0x00000020 80 #define US3_DISPATCH0_BR_TGT 0x00000030 81 #define US3_DISPATCH0_2ND_BR 0x00000040 82 #define US3_RSTALL_STOREQ 0x00000050 83 #define US3_RSTALL_IU_USE 0x00000060 84 #define US3_IC_REF 0x00000080 85 #define US3_DC_RD 0x00000090 86 #define US3_DC_WR 0x000000a0 87 #define US3_EC_REF 0x000000c0 88 #define US3_EC_WR_HIT_RTO 0x000000d0 89 #define US3_EC_SNOOP_INV 0x000000e0 90 #define US3_EC_RD_MISS 0x000000f0 91 #define US3_PC_PORT0_RD 0x00000100 92 #define US3_SI_SNOOP 0x00000110 93 #define US3_SI_CIQ_FLOW 0x00000120 94 #define US3_SI_OWNED 0x00000130 95 #define US3_SW_COUNT_0 0x00000140 96 #define US3_IU_BR_MISS_TAKEN 0x00000150 97 #define US3_IU_BR_COUNT_TAKEN 0x00000160 98 #define US3_DISP_RS_MISPRED 0x00000170 99 #define US3_FA_PIPE_COMPL 0x00000180 100 #define US3_MC_READS_0 0x00000200 101 #define US3_MC_READS_1 0x00000210 102 #define US3_MC_READS_2 0x00000220 103 #define US3_MC_READS_3 0x00000230 104 #define US3_MC_STALLS_0 0x00000240 105 #define US3_MC_STALLS_2 0x00000250 106 107 /* Pic.S1 Selection Bit Field Encoding, Ultra-I/II */ 108 #define CYCLE_CNT_D1 0x00000000 109 #define INSTR_CNT_D1 0x00000800 110 #define DISPATCH0_IC_MISPRED 0x00001000 111 #define DISPATCH0_FP_USE 0x00001800 112 #define IC_HIT 0x00004000 113 #define DC_RD_HIT 0x00004800 114 #define DC_WR_HIT 0x00005000 115 #define LOAD_USE_RAW 0x00005800 116 #define EC_HIT 0x00006000 117 #define EC_WB 0x00006800 118 #define EC_SNOOP_CB 0x00007000 119 #define EC_IT_HIT 0x00007800 120 121 /* Pic.S1 Selection Bit Field Encoding, Ultra-III */ 122 #define US3_CYCLE_CNT_D1 0x00000000 123 #define US3_INSTR_CNT_D1 0x00000800 124 #define US3_DISPATCH0_MISPRED 0x00001000 125 #define US3_IC_MISS_CANCELLED 0x00001800 126 #define US3_RE_ENDIAN_MISS 0x00002000 127 #define US3_RE_FPU_BYPASS 0x00002800 128 #define US3_RE_DC_MISS 0x00003000 129 #define US3_RE_EC_MISS 0x00003800 130 #define US3_IC_MISS 0x00004000 131 #define US3_DC_RD_MISS 0x00004800 132 #define US3_DC_WR_MISS 0x00005000 133 #define US3_RSTALL_FP_USE 0x00005800 134 #define US3_EC_MISSES 0x00006000 135 #define US3_EC_WB 0x00006800 136 #define US3_EC_SNOOP_CB 0x00007000 137 #define US3_EC_IC_MISS 0x00007800 138 #define US3_RE_PC_MISS 0x00008000 139 #define US3_ITLB_MISS 0x00008800 140 #define US3_DTLB_MISS 0x00009000 141 #define US3_WC_MISS 0x00009800 142 #define US3_WC_SNOOP_CB 0x0000a000 143 #define US3_WC_SCRUBBED 0x0000a800 144 #define US3_WC_WB_WO_READ 0x0000b000 145 #define US3_PC_SOFT_HIT 0x0000c000 146 #define US3_PC_SNOOP_INV 0x0000c800 147 #define US3_PC_HARD_HIT 0x0000d000 148 #define US3_PC_PORT1_RD 0x0000d800 149 #define US3_SW_COUNT_1 0x0000e000 150 #define US3_IU_STAT_BR_MIS_UNTAKEN 0x0000e800 151 #define US3_IU_STAT_BR_COUNT_UNTAKEN 0x0000f000 152 #define US3_PC_MS_MISSES 0x0000f800 153 #define US3_MC_WRITES_0 0x00010800 154 #define US3_MC_WRITES_1 0x00011000 155 #define US3_MC_WRITES_2 0x00011800 156 #define US3_MC_WRITES_3 0x00012000 157 #define US3_MC_STALLS_1 0x00012800 158 #define US3_MC_STALLS_3 0x00013000 159 #define US3_RE_RAW_MISS 0x00013800 160 #define US3_FM_PIPE_COMPLETION 0x00014000 161 162 struct vcounter_struct { 163 unsigned long long vcnt0; 164 unsigned long long vcnt1; 165 }; 166 167 #endif /* !(PERF_COUNTER_API) */ 168