1  /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2  /*----------------------------------------
3    PERFORMANCE INSTRUMENTATION
4    Guillaume Thouvenin           08/10/98
5    David S. Miller               10/06/98
6    ---------------------------------------*/
7  #ifndef PERF_COUNTER_API
8  #define PERF_COUNTER_API
9  
10  /* sys_perfctr() interface.  First arg is operation code
11   * from enumeration below.  The meaning of further arguments
12   * are determined by the operation code.
13   *
14   * NOTE: This system call is no longer provided, use the perf_events
15   *       infrastructure.
16   *
17   * Pointers which are passed by the user are pointers to 64-bit
18   * integers.
19   *
20   * Once enabled, performance counter state is retained until the
21   * process either exits or performs an exec.  That is, performance
22   * counters remain enabled for fork/clone children.
23   */
24  enum perfctr_opcode {
25  	/* Enable UltraSparc performance counters, ARG0 is pointer
26  	 * to 64-bit accumulator for D0 counter in PIC, ARG1 is pointer
27  	 * to 64-bit accumulator for D1 counter.  ARG2 is a pointer to
28  	 * the initial PCR register value to use.
29  	 */
30  	PERFCTR_ON,
31  
32  	/* Disable UltraSparc performance counters.  The PCR is written
33  	 * with zero and the user counter accumulator pointers and
34  	 * working PCR register value are forgotten.
35  	 */
36  	PERFCTR_OFF,
37  
38  	/* Add current D0 and D1 PIC values into user pointers given
39  	 * in PERFCTR_ON operation.  The PIC is cleared before returning.
40  	 */
41  	PERFCTR_READ,
42  
43  	/* Clear the PIC register. */
44  	PERFCTR_CLRPIC,
45  
46  	/* Begin using a new PCR value, the pointer to which is passed
47  	 * in ARG0.  The PIC is also cleared after the new PCR value is
48  	 * written.
49  	 */
50  	PERFCTR_SETPCR,
51  
52  	/* Store in pointer given in ARG0 the current PCR register value
53  	 * being used.
54  	 */
55  	PERFCTR_GETPCR
56  };
57  
58  #define  PRIV 0x00000001
59  #define  SYS  0x00000002
60  #define  USR  0x00000004
61  
62  /* Pic.S0 Selection Bit Field Encoding, Ultra-I/II  */
63  #define  CYCLE_CNT            0x00000000
64  #define  INSTR_CNT            0x00000010
65  #define  DISPATCH0_IC_MISS    0x00000020
66  #define  DISPATCH0_STOREBUF   0x00000030
67  #define  IC_REF               0x00000080
68  #define  DC_RD                0x00000090
69  #define  DC_WR                0x000000A0
70  #define  LOAD_USE             0x000000B0
71  #define  EC_REF               0x000000C0
72  #define  EC_WRITE_HIT_RDO     0x000000D0
73  #define  EC_SNOOP_INV         0x000000E0
74  #define  EC_RD_HIT            0x000000F0
75  
76  /* Pic.S0 Selection Bit Field Encoding, Ultra-III  */
77  #define  US3_CYCLE_CNT	      	0x00000000
78  #define  US3_INSTR_CNT	      	0x00000010
79  #define  US3_DISPATCH0_IC_MISS	0x00000020
80  #define  US3_DISPATCH0_BR_TGT	0x00000030
81  #define  US3_DISPATCH0_2ND_BR	0x00000040
82  #define  US3_RSTALL_STOREQ	0x00000050
83  #define  US3_RSTALL_IU_USE	0x00000060
84  #define  US3_IC_REF		0x00000080
85  #define  US3_DC_RD		0x00000090
86  #define  US3_DC_WR		0x000000a0
87  #define  US3_EC_REF		0x000000c0
88  #define  US3_EC_WR_HIT_RTO	0x000000d0
89  #define  US3_EC_SNOOP_INV	0x000000e0
90  #define  US3_EC_RD_MISS		0x000000f0
91  #define  US3_PC_PORT0_RD	0x00000100
92  #define  US3_SI_SNOOP		0x00000110
93  #define  US3_SI_CIQ_FLOW	0x00000120
94  #define  US3_SI_OWNED		0x00000130
95  #define  US3_SW_COUNT_0		0x00000140
96  #define  US3_IU_BR_MISS_TAKEN	0x00000150
97  #define  US3_IU_BR_COUNT_TAKEN	0x00000160
98  #define  US3_DISP_RS_MISPRED	0x00000170
99  #define  US3_FA_PIPE_COMPL	0x00000180
100  #define  US3_MC_READS_0		0x00000200
101  #define  US3_MC_READS_1		0x00000210
102  #define  US3_MC_READS_2		0x00000220
103  #define  US3_MC_READS_3		0x00000230
104  #define  US3_MC_STALLS_0	0x00000240
105  #define  US3_MC_STALLS_2	0x00000250
106  
107  /* Pic.S1 Selection Bit Field Encoding, Ultra-I/II  */
108  #define  CYCLE_CNT_D1         0x00000000
109  #define  INSTR_CNT_D1         0x00000800
110  #define  DISPATCH0_IC_MISPRED 0x00001000
111  #define  DISPATCH0_FP_USE     0x00001800
112  #define  IC_HIT               0x00004000
113  #define  DC_RD_HIT            0x00004800
114  #define  DC_WR_HIT            0x00005000
115  #define  LOAD_USE_RAW         0x00005800
116  #define  EC_HIT               0x00006000
117  #define  EC_WB                0x00006800
118  #define  EC_SNOOP_CB          0x00007000
119  #define  EC_IT_HIT            0x00007800
120  
121  /* Pic.S1 Selection Bit Field Encoding, Ultra-III  */
122  #define  US3_CYCLE_CNT_D1	0x00000000
123  #define  US3_INSTR_CNT_D1	0x00000800
124  #define  US3_DISPATCH0_MISPRED	0x00001000
125  #define  US3_IC_MISS_CANCELLED	0x00001800
126  #define  US3_RE_ENDIAN_MISS	0x00002000
127  #define  US3_RE_FPU_BYPASS	0x00002800
128  #define  US3_RE_DC_MISS		0x00003000
129  #define  US3_RE_EC_MISS		0x00003800
130  #define  US3_IC_MISS		0x00004000
131  #define  US3_DC_RD_MISS		0x00004800
132  #define  US3_DC_WR_MISS		0x00005000
133  #define  US3_RSTALL_FP_USE	0x00005800
134  #define  US3_EC_MISSES		0x00006000
135  #define  US3_EC_WB		0x00006800
136  #define  US3_EC_SNOOP_CB	0x00007000
137  #define  US3_EC_IC_MISS		0x00007800
138  #define  US3_RE_PC_MISS		0x00008000
139  #define  US3_ITLB_MISS		0x00008800
140  #define  US3_DTLB_MISS		0x00009000
141  #define  US3_WC_MISS		0x00009800
142  #define  US3_WC_SNOOP_CB	0x0000a000
143  #define  US3_WC_SCRUBBED	0x0000a800
144  #define  US3_WC_WB_WO_READ	0x0000b000
145  #define  US3_PC_SOFT_HIT	0x0000c000
146  #define  US3_PC_SNOOP_INV	0x0000c800
147  #define  US3_PC_HARD_HIT	0x0000d000
148  #define  US3_PC_PORT1_RD	0x0000d800
149  #define  US3_SW_COUNT_1		0x0000e000
150  #define  US3_IU_STAT_BR_MIS_UNTAKEN	0x0000e800
151  #define  US3_IU_STAT_BR_COUNT_UNTAKEN	0x0000f000
152  #define  US3_PC_MS_MISSES	0x0000f800
153  #define  US3_MC_WRITES_0	0x00010800
154  #define  US3_MC_WRITES_1	0x00011000
155  #define  US3_MC_WRITES_2	0x00011800
156  #define  US3_MC_WRITES_3	0x00012000
157  #define  US3_MC_STALLS_1	0x00012800
158  #define  US3_MC_STALLS_3	0x00013000
159  #define  US3_RE_RAW_MISS	0x00013800
160  #define  US3_FM_PIPE_COMPLETION	0x00014000
161  
162  struct vcounter_struct {
163    unsigned long long vcnt0;
164    unsigned long long vcnt1;
165  };
166  
167  #endif /* !(PERF_COUNTER_API) */
168