1 /* 1
2 * This file is subject to the terms and condi
3 * License. See the file "COPYING" in the mai
4 * for more details.
5 *
6 * Copyright (C) 2012 MIPS Technologies, Inc.
7 * Authors: Sanjay Lal <sanjayl@kymasys.com>
8 */
9
10 #if !defined(_TRACE_KVM_H) || defined(TRACE_HE
11 #define _TRACE_KVM_H
12
13 #include <linux/tracepoint.h>
14
15 #undef TRACE_SYSTEM
16 #define TRACE_SYSTEM kvm
17 #define TRACE_INCLUDE_PATH .
18 #define TRACE_INCLUDE_FILE trace
19
20 /*
21 * arch/mips/kvm/mips.c
22 */
23 extern bool kvm_trace_guest_mode_change;
24 int kvm_guest_mode_change_trace_reg(void);
25 void kvm_guest_mode_change_trace_unreg(void);
26
27 /*
28 * Tracepoints for VM enters
29 */
30 DECLARE_EVENT_CLASS(kvm_transition,
31 TP_PROTO(struct kvm_vcpu *vcpu),
32 TP_ARGS(vcpu),
33 TP_STRUCT__entry(
34 __field(unsigned long, pc)
35 ),
36
37 TP_fast_assign(
38 __entry->pc = vcpu->arch.pc;
39 ),
40
41 TP_printk("PC: 0x%08lx",
42 __entry->pc)
43 );
44
45 DEFINE_EVENT(kvm_transition, kvm_enter,
46 TP_PROTO(struct kvm_vcpu *vcpu),
47 TP_ARGS(vcpu));
48
49 DEFINE_EVENT(kvm_transition, kvm_reenter,
50 TP_PROTO(struct kvm_vcpu *vcpu),
51 TP_ARGS(vcpu));
52
53 DEFINE_EVENT(kvm_transition, kvm_out,
54 TP_PROTO(struct kvm_vcpu *vcpu),
55 TP_ARGS(vcpu));
56
57 /* The first 32 exit reasons correspond to Cau
58 #define KVM_TRACE_EXIT_INT 0
59 #define KVM_TRACE_EXIT_TLBMOD 1
60 #define KVM_TRACE_EXIT_TLBMISS_LD 2
61 #define KVM_TRACE_EXIT_TLBMISS_ST 3
62 #define KVM_TRACE_EXIT_ADDRERR_LD 4
63 #define KVM_TRACE_EXIT_ADDRERR_ST 5
64 #define KVM_TRACE_EXIT_SYSCALL 8
65 #define KVM_TRACE_EXIT_BREAK_INST 9
66 #define KVM_TRACE_EXIT_RESVD_INST 10
67 #define KVM_TRACE_EXIT_COP_UNUSABLE 11
68 #define KVM_TRACE_EXIT_TRAP_INST 13
69 #define KVM_TRACE_EXIT_MSA_FPE 14
70 #define KVM_TRACE_EXIT_FPE 15
71 #define KVM_TRACE_EXIT_MSA_DISABLED 21
72 #define KVM_TRACE_EXIT_GUEST_EXIT 27
73 /* Further exit reasons */
74 #define KVM_TRACE_EXIT_WAIT 32
75 #define KVM_TRACE_EXIT_CACHE 33
76 #define KVM_TRACE_EXIT_SIGNAL 34
77 /* 32 exit reasons correspond to GuestCtl0.GEx
78 #define KVM_TRACE_EXIT_GEXCCODE_BASE 64
79 #define KVM_TRACE_EXIT_GPSI 64
80 #define KVM_TRACE_EXIT_GSFC 65
81 #define KVM_TRACE_EXIT_HC 66
82 #define KVM_TRACE_EXIT_GRR 67
83 #define KVM_TRACE_EXIT_GVA 72
84 #define KVM_TRACE_EXIT_GHFC 73
85 #define KVM_TRACE_EXIT_GPA 74
86
87 /* Tracepoints for VM exits */
88 #define kvm_trace_symbol_exit_types
89 { KVM_TRACE_EXIT_INT, "Inter
90 { KVM_TRACE_EXIT_TLBMOD, "TLB M
91 { KVM_TRACE_EXIT_TLBMISS_LD, "TLB M
92 { KVM_TRACE_EXIT_TLBMISS_ST, "TLB M
93 { KVM_TRACE_EXIT_ADDRERR_LD, "Addre
94 { KVM_TRACE_EXIT_ADDRERR_ST, "Addre
95 { KVM_TRACE_EXIT_SYSCALL, "Syste
96 { KVM_TRACE_EXIT_BREAK_INST, "Break
97 { KVM_TRACE_EXIT_RESVD_INST, "Reser
98 { KVM_TRACE_EXIT_COP_UNUSABLE, "COP0/
99 { KVM_TRACE_EXIT_TRAP_INST, "Trap
100 { KVM_TRACE_EXIT_MSA_FPE, "MSA F
101 { KVM_TRACE_EXIT_FPE, "FPE"
102 { KVM_TRACE_EXIT_MSA_DISABLED, "MSA D
103 { KVM_TRACE_EXIT_GUEST_EXIT, "Guest
104 { KVM_TRACE_EXIT_WAIT, "WAIT"
105 { KVM_TRACE_EXIT_CACHE, "CACHE
106 { KVM_TRACE_EXIT_SIGNAL, "Signa
107 { KVM_TRACE_EXIT_GPSI, "GPSI"
108 { KVM_TRACE_EXIT_GSFC, "GSFC"
109 { KVM_TRACE_EXIT_HC, "HC" }
110 { KVM_TRACE_EXIT_GRR, "GRR"
111 { KVM_TRACE_EXIT_GVA, "GVA"
112 { KVM_TRACE_EXIT_GHFC, "GHFC"
113 { KVM_TRACE_EXIT_GPA, "GPA"
114
115 TRACE_EVENT(kvm_exit,
116 TP_PROTO(struct kvm_vcpu *vcpu, un
117 TP_ARGS(vcpu, reason),
118 TP_STRUCT__entry(
119 __field(unsigned long,
120 __field(unsigned int,
121 ),
122
123 TP_fast_assign(
124 __entry->pc = vcpu->ar
125 __entry->reason = reas
126 ),
127
128 TP_printk("[%s]PC: 0x%08lx",
129 __print_symbolic(__entry
130 kvm_tra
131 __entry->pc)
132 );
133
134 #define KVM_TRACE_MFC0 0
135 #define KVM_TRACE_MTC0 1
136 #define KVM_TRACE_DMFC0 2
137 #define KVM_TRACE_DMTC0 3
138 #define KVM_TRACE_RDHWR 4
139
140 #define KVM_TRACE_HWR_COP0 0
141 #define KVM_TRACE_HWR_HWR 1
142
143 #define KVM_TRACE_COP0(REG, SEL) ((KVM_
144 ((REG
145 #define KVM_TRACE_HWR(REG, SEL) ((KVM_
146 ((REG
147
148 #define kvm_trace_symbol_hwr_ops
149 { KVM_TRACE_MFC0, "MFC0"
150 { KVM_TRACE_MTC0, "MTC0"
151 { KVM_TRACE_DMFC0, "DMFC0
152 { KVM_TRACE_DMTC0, "DMTC0
153 { KVM_TRACE_RDHWR, "RDHWR
154
155 #define kvm_trace_symbol_hwr_cop
156 { KVM_TRACE_HWR_COP0, "COP0"
157 { KVM_TRACE_HWR_HWR, "HWR"
158
159 #define kvm_trace_symbol_hwr_regs
160 { KVM_TRACE_COP0( 0, 0), "Index
161 { KVM_TRACE_COP0( 2, 0), "Entry
162 { KVM_TRACE_COP0( 3, 0), "Entry
163 { KVM_TRACE_COP0( 4, 0), "Conte
164 { KVM_TRACE_COP0( 4, 2), "UserL
165 { KVM_TRACE_COP0( 5, 0), "PageM
166 { KVM_TRACE_COP0( 6, 0), "Wired
167 { KVM_TRACE_COP0( 7, 0), "HWREn
168 { KVM_TRACE_COP0( 8, 0), "BadVA
169 { KVM_TRACE_COP0( 9, 0), "Count
170 { KVM_TRACE_COP0(10, 0), "Entry
171 { KVM_TRACE_COP0(11, 0), "Compa
172 { KVM_TRACE_COP0(12, 0), "Statu
173 { KVM_TRACE_COP0(12, 1), "IntCt
174 { KVM_TRACE_COP0(12, 2), "SRSCt
175 { KVM_TRACE_COP0(13, 0), "Cause
176 { KVM_TRACE_COP0(14, 0), "EPC"
177 { KVM_TRACE_COP0(15, 0), "PRId"
178 { KVM_TRACE_COP0(15, 1), "EBase
179 { KVM_TRACE_COP0(16, 0), "Confi
180 { KVM_TRACE_COP0(16, 1), "Confi
181 { KVM_TRACE_COP0(16, 2), "Confi
182 { KVM_TRACE_COP0(16, 3), "Confi
183 { KVM_TRACE_COP0(16, 4), "Confi
184 { KVM_TRACE_COP0(16, 5), "Confi
185 { KVM_TRACE_COP0(16, 7), "Confi
186 { KVM_TRACE_COP0(17, 1), "MAAR"
187 { KVM_TRACE_COP0(17, 2), "MAARI
188 { KVM_TRACE_COP0(26, 0), "ECC"
189 { KVM_TRACE_COP0(30, 0), "Error
190 { KVM_TRACE_COP0(31, 2), "KScra
191 { KVM_TRACE_COP0(31, 3), "KScra
192 { KVM_TRACE_COP0(31, 4), "KScra
193 { KVM_TRACE_COP0(31, 5), "KScra
194 { KVM_TRACE_COP0(31, 6), "KScra
195 { KVM_TRACE_COP0(31, 7), "KScra
196 { KVM_TRACE_HWR( 0, 0), "CPUNu
197 { KVM_TRACE_HWR( 1, 0), "SYNCI
198 { KVM_TRACE_HWR( 2, 0), "CC" }
199 { KVM_TRACE_HWR( 3, 0), "CCRes
200 { KVM_TRACE_HWR(29, 0), "ULR"
201
202 TRACE_EVENT(kvm_hwr,
203 TP_PROTO(struct kvm_vcpu *vcpu, un
204 unsigned long val),
205 TP_ARGS(vcpu, op, reg, val),
206 TP_STRUCT__entry(
207 __field(unsigned long,
208 __field(u16, reg)
209 __field(u8, op)
210 ),
211
212 TP_fast_assign(
213 __entry->val = val;
214 __entry->reg = reg;
215 __entry->op = op;
216 ),
217
218 TP_printk("%s %s (%s:%u:%u) 0x%08l
219 __print_symbolic(__entry
220 kvm_tra
221 __print_symbolic(__entry
222 kvm_tra
223 __print_symbolic(__entry
224 kvm_tra
225 (__entry->reg >> 3) & 0x
226 __entry->reg & 0x7,
227 __entry->val)
228 );
229
230 #define KVM_TRACE_AUX_RESTORE 0
231 #define KVM_TRACE_AUX_SAVE 1
232 #define KVM_TRACE_AUX_ENABLE 2
233 #define KVM_TRACE_AUX_DISABLE 3
234 #define KVM_TRACE_AUX_DISCARD 4
235
236 #define KVM_TRACE_AUX_FPU 1
237 #define KVM_TRACE_AUX_MSA 2
238 #define KVM_TRACE_AUX_FPU_MSA 3
239
240 #define kvm_trace_symbol_aux_op \
241 { KVM_TRACE_AUX_RESTORE, "restore" },
242 { KVM_TRACE_AUX_SAVE, "save" },
243 { KVM_TRACE_AUX_ENABLE, "enable" },
244 { KVM_TRACE_AUX_DISABLE, "disable" },
245 { KVM_TRACE_AUX_DISCARD, "discard" }
246
247 #define kvm_trace_symbol_aux_state
248 { KVM_TRACE_AUX_FPU, "FPU" },
249 { KVM_TRACE_AUX_MSA, "MSA" },
250 { KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" }
251
252 TRACE_EVENT(kvm_aux,
253 TP_PROTO(struct kvm_vcpu *vcpu, un
254 unsigned int state),
255 TP_ARGS(vcpu, op, state),
256 TP_STRUCT__entry(
257 __field(unsigned long,
258 __field(u8, op)
259 __field(u8, state)
260 ),
261
262 TP_fast_assign(
263 __entry->pc = vcpu->ar
264 __entry->op = op;
265 __entry->state = state
266 ),
267
268 TP_printk("%s %s PC: 0x%08lx",
269 __print_symbolic(__entry
270 kvm_tra
271 __print_symbolic(__entry
272 kvm_tra
273 __entry->pc)
274 );
275
276 TRACE_EVENT(kvm_asid_change,
277 TP_PROTO(struct kvm_vcpu *vcpu, un
278 unsigned int new_asid),
279 TP_ARGS(vcpu, old_asid, new_asid),
280 TP_STRUCT__entry(
281 __field(unsigned long,
282 __field(u8, old_asid)
283 __field(u8, new_asid)
284 ),
285
286 TP_fast_assign(
287 __entry->pc = vcpu->ar
288 __entry->old_asid = ol
289 __entry->new_asid = ne
290 ),
291
292 TP_printk("PC: 0x%08lx old: 0x%02x
293 __entry->pc,
294 __entry->old_asid,
295 __entry->new_asid)
296 );
297
298 TRACE_EVENT(kvm_guestid_change,
299 TP_PROTO(struct kvm_vcpu *vcpu, un
300 TP_ARGS(vcpu, guestid),
301 TP_STRUCT__entry(
302 __field(unsigned int,
303 ),
304
305 TP_fast_assign(
306 __entry->guestid = gue
307 ),
308
309 TP_printk("GuestID: 0x%02x",
310 __entry->guestid)
311 );
312
313 TRACE_EVENT_FN(kvm_guest_mode_change,
314 TP_PROTO(struct kvm_vcpu *vcpu),
315 TP_ARGS(vcpu),
316 TP_STRUCT__entry(
317 __field(unsigned long,
318 __field(unsigned long,
319 __field(unsigned long,
320 __field(unsigned int,
321 __field(unsigned int,
322 ),
323
324 TP_fast_assign(
325 __entry->epc = kvm_rea
326 __entry->pc = vcpu->ar
327 __entry->badvaddr = kv
328 __entry->status = kvm_
329 __entry->cause = kvm_r
330 ),
331
332 TP_printk("EPC: 0x%08lx PC: 0x%08l
333 __entry->epc,
334 __entry->pc,
335 __entry->status,
336 __entry->cause,
337 __entry->badvaddr),
338
339 kvm_guest_mode_change_trace_reg,
340 kvm_guest_mode_change_trace_unreg
341 );
342
343 #endif /* _TRACE_KVM_H */
344
345 /* This part must be outside protection */
346 #include <trace/define_trace.h>
347
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