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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 */
24enum 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
162struct vcounter_struct {
163 unsigned long long vcnt0;
164 unsigned long long vcnt1;
165};
166
167#endif /* !(PERF_COUNTER_API) */