Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /*---------------------------------------- |
| 2 | PERFORMANCE INSTRUMENTATION |
| 3 | Guillaume Thouvenin 08/10/98 |
| 4 | David S. Miller 10/06/98 |
| 5 | ---------------------------------------*/ |
| 6 | #ifndef PERF_COUNTER_API |
| 7 | #define PERF_COUNTER_API |
| 8 | |
| 9 | /* sys_perfctr() interface. First arg is operation code |
| 10 | * from enumeration below. The meaning of further arguments |
| 11 | * are determined by the operation code. |
| 12 | * |
| 13 | * int sys_perfctr(int opcode, unsigned long arg0, |
| 14 | * unsigned long arg1, unsigned long arg2) |
| 15 | * |
| 16 | * Pointers which are passed by the user are pointers to 64-bit |
| 17 | * integers. |
| 18 | * |
| 19 | * Once enabled, performance counter state is retained until the |
| 20 | * process either exits or performs an exec. That is, performance |
| 21 | * counters remain enabled for fork/clone children. |
| 22 | */ |
| 23 | enum perfctr_opcode { |
| 24 | /* Enable UltraSparc performance counters, ARG0 is pointer |
| 25 | * to 64-bit accumulator for D0 counter in PIC, ARG1 is pointer |
| 26 | * to 64-bit accumulator for D1 counter. ARG2 is a pointer to |
| 27 | * the initial PCR register value to use. |
| 28 | */ |
| 29 | PERFCTR_ON, |
| 30 | |
| 31 | /* Disable UltraSparc performance counters. The PCR is written |
| 32 | * with zero and the user counter accumulator pointers and |
| 33 | * working PCR register value are forgotten. |
| 34 | */ |
| 35 | PERFCTR_OFF, |
| 36 | |
| 37 | /* Add current D0 and D1 PIC values into user pointers given |
| 38 | * in PERFCTR_ON operation. The PIC is cleared before returning. |
| 39 | */ |
| 40 | PERFCTR_READ, |
| 41 | |
| 42 | /* Clear the PIC register. */ |
| 43 | PERFCTR_CLRPIC, |
| 44 | |
| 45 | /* Begin using a new PCR value, the pointer to which is passed |
| 46 | * in ARG0. The PIC is also cleared after the new PCR value is |
| 47 | * written. |
| 48 | */ |
| 49 | PERFCTR_SETPCR, |
| 50 | |
| 51 | /* Store in pointer given in ARG0 the current PCR register value |
| 52 | * being used. |
| 53 | */ |
| 54 | PERFCTR_GETPCR |
| 55 | }; |
| 56 | |
| 57 | /* I don't want the kernel's namespace to be polluted with this |
| 58 | * stuff when this file is included. --DaveM |
| 59 | */ |
| 60 | #ifndef __KERNEL__ |
| 61 | |
| 62 | #define PRIV 0x00000001 |
| 63 | #define SYS 0x00000002 |
| 64 | #define USR 0x00000004 |
| 65 | |
| 66 | /* Pic.S0 Selection Bit Field Encoding, Ultra-I/II */ |
| 67 | #define CYCLE_CNT 0x00000000 |
| 68 | #define INSTR_CNT 0x00000010 |
| 69 | #define DISPATCH0_IC_MISS 0x00000020 |
| 70 | #define DISPATCH0_STOREBUF 0x00000030 |
| 71 | #define IC_REF 0x00000080 |
| 72 | #define DC_RD 0x00000090 |
| 73 | #define DC_WR 0x000000A0 |
| 74 | #define LOAD_USE 0x000000B0 |
| 75 | #define EC_REF 0x000000C0 |
| 76 | #define EC_WRITE_HIT_RDO 0x000000D0 |
| 77 | #define EC_SNOOP_INV 0x000000E0 |
| 78 | #define EC_RD_HIT 0x000000F0 |
| 79 | |
| 80 | /* Pic.S0 Selection Bit Field Encoding, Ultra-III */ |
| 81 | #define US3_CYCLE_CNT 0x00000000 |
| 82 | #define US3_INSTR_CNT 0x00000010 |
| 83 | #define US3_DISPATCH0_IC_MISS 0x00000020 |
| 84 | #define US3_DISPATCH0_BR_TGT 0x00000030 |
| 85 | #define US3_DISPATCH0_2ND_BR 0x00000040 |
| 86 | #define US3_RSTALL_STOREQ 0x00000050 |
| 87 | #define US3_RSTALL_IU_USE 0x00000060 |
| 88 | #define US3_IC_REF 0x00000080 |
| 89 | #define US3_DC_RD 0x00000090 |
| 90 | #define US3_DC_WR 0x000000a0 |
| 91 | #define US3_EC_REF 0x000000c0 |
| 92 | #define US3_EC_WR_HIT_RTO 0x000000d0 |
| 93 | #define US3_EC_SNOOP_INV 0x000000e0 |
| 94 | #define US3_EC_RD_MISS 0x000000f0 |
| 95 | #define US3_PC_PORT0_RD 0x00000100 |
| 96 | #define US3_SI_SNOOP 0x00000110 |
| 97 | #define US3_SI_CIQ_FLOW 0x00000120 |
| 98 | #define US3_SI_OWNED 0x00000130 |
| 99 | #define US3_SW_COUNT_0 0x00000140 |
| 100 | #define US3_IU_BR_MISS_TAKEN 0x00000150 |
| 101 | #define US3_IU_BR_COUNT_TAKEN 0x00000160 |
| 102 | #define US3_DISP_RS_MISPRED 0x00000170 |
| 103 | #define US3_FA_PIPE_COMPL 0x00000180 |
| 104 | #define US3_MC_READS_0 0x00000200 |
| 105 | #define US3_MC_READS_1 0x00000210 |
| 106 | #define US3_MC_READS_2 0x00000220 |
| 107 | #define US3_MC_READS_3 0x00000230 |
| 108 | #define US3_MC_STALLS_0 0x00000240 |
| 109 | #define US3_MC_STALLS_2 0x00000250 |
| 110 | |
| 111 | /* Pic.S1 Selection Bit Field Encoding, Ultra-I/II */ |
| 112 | #define CYCLE_CNT_D1 0x00000000 |
| 113 | #define INSTR_CNT_D1 0x00000800 |
| 114 | #define DISPATCH0_IC_MISPRED 0x00001000 |
| 115 | #define DISPATCH0_FP_USE 0x00001800 |
| 116 | #define IC_HIT 0x00004000 |
| 117 | #define DC_RD_HIT 0x00004800 |
| 118 | #define DC_WR_HIT 0x00005000 |
| 119 | #define LOAD_USE_RAW 0x00005800 |
| 120 | #define EC_HIT 0x00006000 |
| 121 | #define EC_WB 0x00006800 |
| 122 | #define EC_SNOOP_CB 0x00007000 |
| 123 | #define EC_IT_HIT 0x00007800 |
| 124 | |
| 125 | /* Pic.S1 Selection Bit Field Encoding, Ultra-III */ |
| 126 | #define US3_CYCLE_CNT_D1 0x00000000 |
| 127 | #define US3_INSTR_CNT_D1 0x00000800 |
| 128 | #define US3_DISPATCH0_MISPRED 0x00001000 |
| 129 | #define US3_IC_MISS_CANCELLED 0x00001800 |
| 130 | #define US3_RE_ENDIAN_MISS 0x00002000 |
| 131 | #define US3_RE_FPU_BYPASS 0x00002800 |
| 132 | #define US3_RE_DC_MISS 0x00003000 |
| 133 | #define US3_RE_EC_MISS 0x00003800 |
| 134 | #define US3_IC_MISS 0x00004000 |
| 135 | #define US3_DC_RD_MISS 0x00004800 |
| 136 | #define US3_DC_WR_MISS 0x00005000 |
| 137 | #define US3_RSTALL_FP_USE 0x00005800 |
| 138 | #define US3_EC_MISSES 0x00006000 |
| 139 | #define US3_EC_WB 0x00006800 |
| 140 | #define US3_EC_SNOOP_CB 0x00007000 |
| 141 | #define US3_EC_IC_MISS 0x00007800 |
| 142 | #define US3_RE_PC_MISS 0x00008000 |
| 143 | #define US3_ITLB_MISS 0x00008800 |
| 144 | #define US3_DTLB_MISS 0x00009000 |
| 145 | #define US3_WC_MISS 0x00009800 |
| 146 | #define US3_WC_SNOOP_CB 0x0000a000 |
| 147 | #define US3_WC_SCRUBBED 0x0000a800 |
| 148 | #define US3_WC_WB_WO_READ 0x0000b000 |
| 149 | #define US3_PC_SOFT_HIT 0x0000c000 |
| 150 | #define US3_PC_SNOOP_INV 0x0000c800 |
| 151 | #define US3_PC_HARD_HIT 0x0000d000 |
| 152 | #define US3_PC_PORT1_RD 0x0000d800 |
| 153 | #define US3_SW_COUNT_1 0x0000e000 |
| 154 | #define US3_IU_STAT_BR_MIS_UNTAKEN 0x0000e800 |
| 155 | #define US3_IU_STAT_BR_COUNT_UNTAKEN 0x0000f000 |
| 156 | #define US3_PC_MS_MISSES 0x0000f800 |
| 157 | #define US3_MC_WRITES_0 0x00010800 |
| 158 | #define US3_MC_WRITES_1 0x00011000 |
| 159 | #define US3_MC_WRITES_2 0x00011800 |
| 160 | #define US3_MC_WRITES_3 0x00012000 |
| 161 | #define US3_MC_STALLS_1 0x00012800 |
| 162 | #define US3_MC_STALLS_3 0x00013000 |
| 163 | #define US3_RE_RAW_MISS 0x00013800 |
| 164 | #define US3_FM_PIPE_COMPLETION 0x00014000 |
| 165 | |
| 166 | struct vcounter_struct { |
| 167 | unsigned long long vcnt0; |
| 168 | unsigned long long vcnt1; |
| 169 | }; |
| 170 | |
| 171 | #endif /* !(__KERNEL__) */ |
| 172 | |
| 173 | #endif /* !(PERF_COUNTER_API) */ |