174 строки
5.7 KiB
C
174 строки
5.7 KiB
C
/*----------------------------------------
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PERFORMANCE INSTRUMENTATION
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Guillaume Thouvenin 08/10/98
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David S. Miller 10/06/98
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---------------------------------------*/
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#ifndef PERF_COUNTER_API
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#define PERF_COUNTER_API
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/* sys_perfctr() interface. First arg is operation code
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* from enumeration below. The meaning of further arguments
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* are determined by the operation code.
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*
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* int sys_perfctr(int opcode, unsigned long arg0,
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* unsigned long arg1, unsigned long arg2)
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*
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* Pointers which are passed by the user are pointers to 64-bit
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* integers.
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*
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* Once enabled, performance counter state is retained until the
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* process either exits or performs an exec. That is, performance
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* counters remain enabled for fork/clone children.
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*/
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enum perfctr_opcode {
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/* Enable UltraSparc performance counters, ARG0 is pointer
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* to 64-bit accumulator for D0 counter in PIC, ARG1 is pointer
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* to 64-bit accumulator for D1 counter. ARG2 is a pointer to
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* the initial PCR register value to use.
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*/
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PERFCTR_ON,
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/* Disable UltraSparc performance counters. The PCR is written
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* with zero and the user counter accumulator pointers and
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* working PCR register value are forgotten.
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*/
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PERFCTR_OFF,
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/* Add current D0 and D1 PIC values into user pointers given
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* in PERFCTR_ON operation. The PIC is cleared before returning.
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*/
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PERFCTR_READ,
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/* Clear the PIC register. */
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PERFCTR_CLRPIC,
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/* Begin using a new PCR value, the pointer to which is passed
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* in ARG0. The PIC is also cleared after the new PCR value is
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* written.
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*/
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PERFCTR_SETPCR,
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/* Store in pointer given in ARG0 the current PCR register value
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* being used.
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*/
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PERFCTR_GETPCR
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};
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/* I don't want the kernel's namespace to be polluted with this
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* stuff when this file is included. --DaveM
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*/
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#ifndef __KERNEL__
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#define PRIV 0x00000001
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#define SYS 0x00000002
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#define USR 0x00000004
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/* Pic.S0 Selection Bit Field Encoding, Ultra-I/II */
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#define CYCLE_CNT 0x00000000
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#define INSTR_CNT 0x00000010
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#define DISPATCH0_IC_MISS 0x00000020
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#define DISPATCH0_STOREBUF 0x00000030
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#define IC_REF 0x00000080
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#define DC_RD 0x00000090
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#define DC_WR 0x000000A0
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#define LOAD_USE 0x000000B0
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#define EC_REF 0x000000C0
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#define EC_WRITE_HIT_RDO 0x000000D0
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#define EC_SNOOP_INV 0x000000E0
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#define EC_RD_HIT 0x000000F0
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/* Pic.S0 Selection Bit Field Encoding, Ultra-III */
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#define US3_CYCLE_CNT 0x00000000
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#define US3_INSTR_CNT 0x00000010
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#define US3_DISPATCH0_IC_MISS 0x00000020
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#define US3_DISPATCH0_BR_TGT 0x00000030
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#define US3_DISPATCH0_2ND_BR 0x00000040
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#define US3_RSTALL_STOREQ 0x00000050
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#define US3_RSTALL_IU_USE 0x00000060
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#define US3_IC_REF 0x00000080
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#define US3_DC_RD 0x00000090
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#define US3_DC_WR 0x000000a0
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#define US3_EC_REF 0x000000c0
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#define US3_EC_WR_HIT_RTO 0x000000d0
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#define US3_EC_SNOOP_INV 0x000000e0
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#define US3_EC_RD_MISS 0x000000f0
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#define US3_PC_PORT0_RD 0x00000100
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#define US3_SI_SNOOP 0x00000110
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#define US3_SI_CIQ_FLOW 0x00000120
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#define US3_SI_OWNED 0x00000130
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#define US3_SW_COUNT_0 0x00000140
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#define US3_IU_BR_MISS_TAKEN 0x00000150
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#define US3_IU_BR_COUNT_TAKEN 0x00000160
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#define US3_DISP_RS_MISPRED 0x00000170
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#define US3_FA_PIPE_COMPL 0x00000180
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#define US3_MC_READS_0 0x00000200
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#define US3_MC_READS_1 0x00000210
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#define US3_MC_READS_2 0x00000220
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#define US3_MC_READS_3 0x00000230
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#define US3_MC_STALLS_0 0x00000240
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#define US3_MC_STALLS_2 0x00000250
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/* Pic.S1 Selection Bit Field Encoding, Ultra-I/II */
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#define CYCLE_CNT_D1 0x00000000
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#define INSTR_CNT_D1 0x00000800
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#define DISPATCH0_IC_MISPRED 0x00001000
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#define DISPATCH0_FP_USE 0x00001800
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#define IC_HIT 0x00004000
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#define DC_RD_HIT 0x00004800
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#define DC_WR_HIT 0x00005000
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#define LOAD_USE_RAW 0x00005800
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#define EC_HIT 0x00006000
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#define EC_WB 0x00006800
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#define EC_SNOOP_CB 0x00007000
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#define EC_IT_HIT 0x00007800
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/* Pic.S1 Selection Bit Field Encoding, Ultra-III */
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#define US3_CYCLE_CNT_D1 0x00000000
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#define US3_INSTR_CNT_D1 0x00000800
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#define US3_DISPATCH0_MISPRED 0x00001000
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#define US3_IC_MISS_CANCELLED 0x00001800
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#define US3_RE_ENDIAN_MISS 0x00002000
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#define US3_RE_FPU_BYPASS 0x00002800
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#define US3_RE_DC_MISS 0x00003000
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#define US3_RE_EC_MISS 0x00003800
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#define US3_IC_MISS 0x00004000
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#define US3_DC_RD_MISS 0x00004800
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#define US3_DC_WR_MISS 0x00005000
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#define US3_RSTALL_FP_USE 0x00005800
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#define US3_EC_MISSES 0x00006000
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#define US3_EC_WB 0x00006800
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#define US3_EC_SNOOP_CB 0x00007000
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#define US3_EC_IC_MISS 0x00007800
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#define US3_RE_PC_MISS 0x00008000
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#define US3_ITLB_MISS 0x00008800
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#define US3_DTLB_MISS 0x00009000
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#define US3_WC_MISS 0x00009800
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#define US3_WC_SNOOP_CB 0x0000a000
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#define US3_WC_SCRUBBED 0x0000a800
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#define US3_WC_WB_WO_READ 0x0000b000
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#define US3_PC_SOFT_HIT 0x0000c000
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#define US3_PC_SNOOP_INV 0x0000c800
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#define US3_PC_HARD_HIT 0x0000d000
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#define US3_PC_PORT1_RD 0x0000d800
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#define US3_SW_COUNT_1 0x0000e000
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#define US3_IU_STAT_BR_MIS_UNTAKEN 0x0000e800
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#define US3_IU_STAT_BR_COUNT_UNTAKEN 0x0000f000
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#define US3_PC_MS_MISSES 0x0000f800
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#define US3_MC_WRITES_0 0x00010800
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#define US3_MC_WRITES_1 0x00011000
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#define US3_MC_WRITES_2 0x00011800
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#define US3_MC_WRITES_3 0x00012000
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#define US3_MC_STALLS_1 0x00012800
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#define US3_MC_STALLS_3 0x00013000
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#define US3_RE_RAW_MISS 0x00013800
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#define US3_FM_PIPE_COMPLETION 0x00014000
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struct vcounter_struct {
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unsigned long long vcnt0;
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unsigned long long vcnt1;
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};
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#endif /* !(__KERNEL__) */
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#endif /* !(PERF_COUNTER_API) */
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