| /*---------------------------------------- |
| PERFORMANCE INSTRUMENTATION |
| Guillaume Thouvenin 08/10/98 |
| David S. Miller 10/06/98 |
| ---------------------------------------*/ |
| #ifndef PERF_COUNTER_API |
| #define PERF_COUNTER_API |
| |
| /* sys_perfctr() interface. First arg is operation code |
| * from enumeration below. The meaning of further arguments |
| * are determined by the operation code. |
| * |
| * NOTE: This system call is no longer provided, use the perf_events |
| * infrastructure. |
| * |
| * Pointers which are passed by the user are pointers to 64-bit |
| * integers. |
| * |
| * Once enabled, performance counter state is retained until the |
| * process either exits or performs an exec. That is, performance |
| * counters remain enabled for fork/clone children. |
| */ |
| enum perfctr_opcode { |
| /* Enable UltraSparc performance counters, ARG0 is pointer |
| * to 64-bit accumulator for D0 counter in PIC, ARG1 is pointer |
| * to 64-bit accumulator for D1 counter. ARG2 is a pointer to |
| * the initial PCR register value to use. |
| */ |
| PERFCTR_ON, |
| |
| /* Disable UltraSparc performance counters. The PCR is written |
| * with zero and the user counter accumulator pointers and |
| * working PCR register value are forgotten. |
| */ |
| PERFCTR_OFF, |
| |
| /* Add current D0 and D1 PIC values into user pointers given |
| * in PERFCTR_ON operation. The PIC is cleared before returning. |
| */ |
| PERFCTR_READ, |
| |
| /* Clear the PIC register. */ |
| PERFCTR_CLRPIC, |
| |
| /* Begin using a new PCR value, the pointer to which is passed |
| * in ARG0. The PIC is also cleared after the new PCR value is |
| * written. |
| */ |
| PERFCTR_SETPCR, |
| |
| /* Store in pointer given in ARG0 the current PCR register value |
| * being used. |
| */ |
| PERFCTR_GETPCR |
| }; |
| |
| /* I don't want the kernel's namespace to be polluted with this |
| * stuff when this file is included. --DaveM |
| */ |
| #ifndef __KERNEL__ |
| |
| #define PRIV 0x00000001 |
| #define SYS 0x00000002 |
| #define USR 0x00000004 |
| |
| /* Pic.S0 Selection Bit Field Encoding, Ultra-I/II */ |
| #define CYCLE_CNT 0x00000000 |
| #define INSTR_CNT 0x00000010 |
| #define DISPATCH0_IC_MISS 0x00000020 |
| #define DISPATCH0_STOREBUF 0x00000030 |
| #define IC_REF 0x00000080 |
| #define DC_RD 0x00000090 |
| #define DC_WR 0x000000A0 |
| #define LOAD_USE 0x000000B0 |
| #define EC_REF 0x000000C0 |
| #define EC_WRITE_HIT_RDO 0x000000D0 |
| #define EC_SNOOP_INV 0x000000E0 |
| #define EC_RD_HIT 0x000000F0 |
| |
| /* Pic.S0 Selection Bit Field Encoding, Ultra-III */ |
| #define US3_CYCLE_CNT 0x00000000 |
| #define US3_INSTR_CNT 0x00000010 |
| #define US3_DISPATCH0_IC_MISS 0x00000020 |
| #define US3_DISPATCH0_BR_TGT 0x00000030 |
| #define US3_DISPATCH0_2ND_BR 0x00000040 |
| #define US3_RSTALL_STOREQ 0x00000050 |
| #define US3_RSTALL_IU_USE 0x00000060 |
| #define US3_IC_REF 0x00000080 |
| #define US3_DC_RD 0x00000090 |
| #define US3_DC_WR 0x000000a0 |
| #define US3_EC_REF 0x000000c0 |
| #define US3_EC_WR_HIT_RTO 0x000000d0 |
| #define US3_EC_SNOOP_INV 0x000000e0 |
| #define US3_EC_RD_MISS 0x000000f0 |
| #define US3_PC_PORT0_RD 0x00000100 |
| #define US3_SI_SNOOP 0x00000110 |
| #define US3_SI_CIQ_FLOW 0x00000120 |
| #define US3_SI_OWNED 0x00000130 |
| #define US3_SW_COUNT_0 0x00000140 |
| #define US3_IU_BR_MISS_TAKEN 0x00000150 |
| #define US3_IU_BR_COUNT_TAKEN 0x00000160 |
| #define US3_DISP_RS_MISPRED 0x00000170 |
| #define US3_FA_PIPE_COMPL 0x00000180 |
| #define US3_MC_READS_0 0x00000200 |
| #define US3_MC_READS_1 0x00000210 |
| #define US3_MC_READS_2 0x00000220 |
| #define US3_MC_READS_3 0x00000230 |
| #define US3_MC_STALLS_0 0x00000240 |
| #define US3_MC_STALLS_2 0x00000250 |
| |
| /* Pic.S1 Selection Bit Field Encoding, Ultra-I/II */ |
| #define CYCLE_CNT_D1 0x00000000 |
| #define INSTR_CNT_D1 0x00000800 |
| #define DISPATCH0_IC_MISPRED 0x00001000 |
| #define DISPATCH0_FP_USE 0x00001800 |
| #define IC_HIT 0x00004000 |
| #define DC_RD_HIT 0x00004800 |
| #define DC_WR_HIT 0x00005000 |
| #define LOAD_USE_RAW 0x00005800 |
| #define EC_HIT 0x00006000 |
| #define EC_WB 0x00006800 |
| #define EC_SNOOP_CB 0x00007000 |
| #define EC_IT_HIT 0x00007800 |
| |
| /* Pic.S1 Selection Bit Field Encoding, Ultra-III */ |
| #define US3_CYCLE_CNT_D1 0x00000000 |
| #define US3_INSTR_CNT_D1 0x00000800 |
| #define US3_DISPATCH0_MISPRED 0x00001000 |
| #define US3_IC_MISS_CANCELLED 0x00001800 |
| #define US3_RE_ENDIAN_MISS 0x00002000 |
| #define US3_RE_FPU_BYPASS 0x00002800 |
| #define US3_RE_DC_MISS 0x00003000 |
| #define US3_RE_EC_MISS 0x00003800 |
| #define US3_IC_MISS 0x00004000 |
| #define US3_DC_RD_MISS 0x00004800 |
| #define US3_DC_WR_MISS 0x00005000 |
| #define US3_RSTALL_FP_USE 0x00005800 |
| #define US3_EC_MISSES 0x00006000 |
| #define US3_EC_WB 0x00006800 |
| #define US3_EC_SNOOP_CB 0x00007000 |
| #define US3_EC_IC_MISS 0x00007800 |
| #define US3_RE_PC_MISS 0x00008000 |
| #define US3_ITLB_MISS 0x00008800 |
| #define US3_DTLB_MISS 0x00009000 |
| #define US3_WC_MISS 0x00009800 |
| #define US3_WC_SNOOP_CB 0x0000a000 |
| #define US3_WC_SCRUBBED 0x0000a800 |
| #define US3_WC_WB_WO_READ 0x0000b000 |
| #define US3_PC_SOFT_HIT 0x0000c000 |
| #define US3_PC_SNOOP_INV 0x0000c800 |
| #define US3_PC_HARD_HIT 0x0000d000 |
| #define US3_PC_PORT1_RD 0x0000d800 |
| #define US3_SW_COUNT_1 0x0000e000 |
| #define US3_IU_STAT_BR_MIS_UNTAKEN 0x0000e800 |
| #define US3_IU_STAT_BR_COUNT_UNTAKEN 0x0000f000 |
| #define US3_PC_MS_MISSES 0x0000f800 |
| #define US3_MC_WRITES_0 0x00010800 |
| #define US3_MC_WRITES_1 0x00011000 |
| #define US3_MC_WRITES_2 0x00011800 |
| #define US3_MC_WRITES_3 0x00012000 |
| #define US3_MC_STALLS_1 0x00012800 |
| #define US3_MC_STALLS_3 0x00013000 |
| #define US3_RE_RAW_MISS 0x00013800 |
| #define US3_FM_PIPE_COMPLETION 0x00014000 |
| |
| struct vcounter_struct { |
| unsigned long long vcnt0; |
| unsigned long long vcnt1; |
| }; |
| |
| #else /* !(__KERNEL__) */ |
| |
| #ifndef CONFIG_SPARC32 |
| |
| /* Performance counter register access. */ |
| #define read_pcr(__p) __asm__ __volatile__("rd %%pcr, %0" : "=r" (__p)) |
| #define write_pcr(__p) __asm__ __volatile__("wr %0, 0x0, %%pcr" : : "r" (__p)) |
| #define read_pic(__p) __asm__ __volatile__("rd %%pic, %0" : "=r" (__p)) |
| |
| /* Blackbird errata workaround. See commentary in |
| * arch/sparc64/kernel/smp.c:smp_percpu_timer_interrupt() |
| * for more information. |
| */ |
| #define write_pic(__p) \ |
| __asm__ __volatile__("ba,pt %%xcc, 99f\n\t" \ |
| " nop\n\t" \ |
| ".align 64\n" \ |
| "99:wr %0, 0x0, %%pic\n\t" \ |
| "rd %%pic, %%g0" : : "r" (__p)) |
| #define reset_pic() write_pic(0) |
| |
| #endif /* !CONFIG_SPARC32 */ |
| |
| #endif /* !(__KERNEL__) */ |
| |
| #endif /* !(PERF_COUNTER_API) */ |