include/asm-sparc/perfctr.h

   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) */