xref: /openbmc/linux/arch/sparc/include/uapi/asm/perfctr.h (revision db181ce0)
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  * NOTE: This system call is no longer provided, use the perf_events
14  *       infrastructure.
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 #define  PRIV 0x00000001
58 #define  SYS  0x00000002
59 #define  USR  0x00000004
60 
61 /* Pic.S0 Selection Bit Field Encoding, Ultra-I/II  */
62 #define  CYCLE_CNT            0x00000000
63 #define  INSTR_CNT            0x00000010
64 #define  DISPATCH0_IC_MISS    0x00000020
65 #define  DISPATCH0_STOREBUF   0x00000030
66 #define  IC_REF               0x00000080
67 #define  DC_RD                0x00000090
68 #define  DC_WR                0x000000A0
69 #define  LOAD_USE             0x000000B0
70 #define  EC_REF               0x000000C0
71 #define  EC_WRITE_HIT_RDO     0x000000D0
72 #define  EC_SNOOP_INV         0x000000E0
73 #define  EC_RD_HIT            0x000000F0
74 
75 /* Pic.S0 Selection Bit Field Encoding, Ultra-III  */
76 #define  US3_CYCLE_CNT	      	0x00000000
77 #define  US3_INSTR_CNT	      	0x00000010
78 #define  US3_DISPATCH0_IC_MISS	0x00000020
79 #define  US3_DISPATCH0_BR_TGT	0x00000030
80 #define  US3_DISPATCH0_2ND_BR	0x00000040
81 #define  US3_RSTALL_STOREQ	0x00000050
82 #define  US3_RSTALL_IU_USE	0x00000060
83 #define  US3_IC_REF		0x00000080
84 #define  US3_DC_RD		0x00000090
85 #define  US3_DC_WR		0x000000a0
86 #define  US3_EC_REF		0x000000c0
87 #define  US3_EC_WR_HIT_RTO	0x000000d0
88 #define  US3_EC_SNOOP_INV	0x000000e0
89 #define  US3_EC_RD_MISS		0x000000f0
90 #define  US3_PC_PORT0_RD	0x00000100
91 #define  US3_SI_SNOOP		0x00000110
92 #define  US3_SI_CIQ_FLOW	0x00000120
93 #define  US3_SI_OWNED		0x00000130
94 #define  US3_SW_COUNT_0		0x00000140
95 #define  US3_IU_BR_MISS_TAKEN	0x00000150
96 #define  US3_IU_BR_COUNT_TAKEN	0x00000160
97 #define  US3_DISP_RS_MISPRED	0x00000170
98 #define  US3_FA_PIPE_COMPL	0x00000180
99 #define  US3_MC_READS_0		0x00000200
100 #define  US3_MC_READS_1		0x00000210
101 #define  US3_MC_READS_2		0x00000220
102 #define  US3_MC_READS_3		0x00000230
103 #define  US3_MC_STALLS_0	0x00000240
104 #define  US3_MC_STALLS_2	0x00000250
105 
106 /* Pic.S1 Selection Bit Field Encoding, Ultra-I/II  */
107 #define  CYCLE_CNT_D1         0x00000000
108 #define  INSTR_CNT_D1         0x00000800
109 #define  DISPATCH0_IC_MISPRED 0x00001000
110 #define  DISPATCH0_FP_USE     0x00001800
111 #define  IC_HIT               0x00004000
112 #define  DC_RD_HIT            0x00004800
113 #define  DC_WR_HIT            0x00005000
114 #define  LOAD_USE_RAW         0x00005800
115 #define  EC_HIT               0x00006000
116 #define  EC_WB                0x00006800
117 #define  EC_SNOOP_CB          0x00007000
118 #define  EC_IT_HIT            0x00007800
119 
120 /* Pic.S1 Selection Bit Field Encoding, Ultra-III  */
121 #define  US3_CYCLE_CNT_D1	0x00000000
122 #define  US3_INSTR_CNT_D1	0x00000800
123 #define  US3_DISPATCH0_MISPRED	0x00001000
124 #define  US3_IC_MISS_CANCELLED	0x00001800
125 #define  US3_RE_ENDIAN_MISS	0x00002000
126 #define  US3_RE_FPU_BYPASS	0x00002800
127 #define  US3_RE_DC_MISS		0x00003000
128 #define  US3_RE_EC_MISS		0x00003800
129 #define  US3_IC_MISS		0x00004000
130 #define  US3_DC_RD_MISS		0x00004800
131 #define  US3_DC_WR_MISS		0x00005000
132 #define  US3_RSTALL_FP_USE	0x00005800
133 #define  US3_EC_MISSES		0x00006000
134 #define  US3_EC_WB		0x00006800
135 #define  US3_EC_SNOOP_CB	0x00007000
136 #define  US3_EC_IC_MISS		0x00007800
137 #define  US3_RE_PC_MISS		0x00008000
138 #define  US3_ITLB_MISS		0x00008800
139 #define  US3_DTLB_MISS		0x00009000
140 #define  US3_WC_MISS		0x00009800
141 #define  US3_WC_SNOOP_CB	0x0000a000
142 #define  US3_WC_SCRUBBED	0x0000a800
143 #define  US3_WC_WB_WO_READ	0x0000b000
144 #define  US3_PC_SOFT_HIT	0x0000c000
145 #define  US3_PC_SNOOP_INV	0x0000c800
146 #define  US3_PC_HARD_HIT	0x0000d000
147 #define  US3_PC_PORT1_RD	0x0000d800
148 #define  US3_SW_COUNT_1		0x0000e000
149 #define  US3_IU_STAT_BR_MIS_UNTAKEN	0x0000e800
150 #define  US3_IU_STAT_BR_COUNT_UNTAKEN	0x0000f000
151 #define  US3_PC_MS_MISSES	0x0000f800
152 #define  US3_MC_WRITES_0	0x00010800
153 #define  US3_MC_WRITES_1	0x00011000
154 #define  US3_MC_WRITES_2	0x00011800
155 #define  US3_MC_WRITES_3	0x00012000
156 #define  US3_MC_STALLS_1	0x00012800
157 #define  US3_MC_STALLS_3	0x00013000
158 #define  US3_RE_RAW_MISS	0x00013800
159 #define  US3_FM_PIPE_COMPLETION	0x00014000
160 
161 struct vcounter_struct {
162   unsigned long long vcnt0;
163   unsigned long long vcnt1;
164 };
165 
166 #endif /* !(PERF_COUNTER_API) */
167