aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kvm/trace.h
blob: 0d480e77eacf61177f462567f007d7eba3f790a1 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVM_H

#include <linux/tracepoint.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm
#define TRACE_INCLUDE_PATH arch/x86/kvm
#define TRACE_INCLUDE_FILE trace

/*
 * Tracepoint for guest mode entry.
 */
TRACE_EVENT(kvm_entry,
	TP_PROTO(unsigned int vcpu_id),
	TP_ARGS(vcpu_id),

	TP_STRUCT__entry(
		__field(	unsigned int,	vcpu_id		)
	),

	TP_fast_assign(
		__entry->vcpu_id	= vcpu_id;
	),

	TP_printk("vcpu %u", __entry->vcpu_id)
);

/*
 * Tracepoint for hypercall.
 */
TRACE_EVENT(kvm_hypercall,
	TP_PROTO(unsigned long nr, unsigned long a0, unsigned long a1,
		 unsigned long a2, unsigned long a3),
	TP_ARGS(nr, a0, a1, a2, a3),

	TP_STRUCT__entry(
		__field(	unsigned long, 	nr		)
		__field(	unsigned long,	a0		)
		__field(	unsigned long,	a1		)
		__field(	unsigned long,	a2		)
		__field(	unsigned long,	a3		)
	),

	TP_fast_assign(
		__entry->nr		= nr;
		__entry->a0		= a0;
		__entry->a1		= a1;
		__entry->a2		= a2;
		__entry->a3		= a3;
	),

	TP_printk("nr 0x%lx a0 0x%lx a1 0x%lx a2 0x%lx a3 0x%lx",
		 __entry->nr, __entry->a0, __entry->a1,  __entry->a2,
		 __entry->a3)
);

/*
 * Tracepoint for PIO.
 */
TRACE_EVENT(kvm_pio,
	TP_PROTO(unsigned int rw, unsigned int port, unsigned int size,
		 unsigned int count),
	TP_ARGS(rw, port, size, count),

	TP_STRUCT__entry(
		__field(	unsigned int, 	rw		)
		__field(	unsigned int, 	port		)
		__field(	unsigned int, 	size		)
		__field(	unsigned int,	count		)
	),

	TP_fast_assign(
		__entry->rw		= rw;
		__entry->port		= port;
		__entry->size		= size;
		__entry->count		= count;
	),

	TP_printk("pio_%s at 0x%x size %d count %d",
		  __entry->rw ? "write" : "read",
		  __entry->port, __entry->size, __entry->count)
);

/*
 * Tracepoint for cpuid.
 */
TRACE_EVENT(kvm_cpuid,
	TP_PROTO(unsigned int function, unsigned long rax, unsigned long rbx,
		 unsigned long rcx, unsigned long rdx),
	TP_ARGS(function, rax, rbx, rcx, rdx),

	TP_STRUCT__entry(
		__field(	unsigned int,	function	)
		__field(	unsigned long,	rax		)
		__field(	unsigned long,	rbx		)
		__field(	unsigned long,	rcx		)
		__field(	unsigned long,	rdx		)
	),

	TP_fast_assign(
		__entry->function	= function;
		__entry->rax		= rax;
		__entry->rbx		= rbx;
		__entry->rcx		= rcx;
		__entry->rdx		= rdx;
	),

	TP_printk("func %x rax %lx rbx %lx rcx %lx rdx %lx",
		  __entry->function, __entry->rax,
		  __entry->rbx, __entry->rcx, __entry->rdx)
);

#define AREG(x) { APIC_##x, "APIC_" #x }

#define kvm_trace_symbol_apic						    \
	AREG(ID), AREG(LVR), AREG(TASKPRI), AREG(ARBPRI), AREG(PROCPRI),    \
	AREG(EOI), AREG(RRR), AREG(LDR), AREG(DFR), AREG(SPIV), AREG(ISR),  \
	AREG(TMR), AREG(IRR), AREG(ESR), AREG(ICR), AREG(ICR2), AREG(LVTT), \
	AREG(LVTTHMR), AREG(LVTPC), AREG(LVT0), AREG(LVT1), AREG(LVTERR),   \
	AREG(TMICT), AREG(TMCCT), AREG(TDCR), AREG(SELF_IPI), AREG(EFEAT),  \
	AREG(ECTRL)
/*
 * Tracepoint for apic access.
 */
TRACE_EVENT(kvm_apic,
	TP_PROTO(unsigned int rw, unsigned int reg, unsigned int val),
	TP_ARGS(rw, reg, val),

	TP_STRUCT__entry(
		__field(	unsigned int,	rw		)
		__field(	unsigned int,	reg		)
		__field(	unsigned int,	val		)
	),

	TP_fast_assign(
		__entry->rw		= rw;
		__entry->reg		= reg;
		__entry->val		= val;
	),

	TP_printk("apic_%s %s = 0x%x",
		  __entry->rw ? "write" : "read",
		  __print_symbolic(__entry->reg, kvm_trace_symbol_apic),
		  __entry->val)
);

#define trace_kvm_apic_read(reg, val)		trace_kvm_apic(0, reg, val)
#define trace_kvm_apic_write(reg, val)		trace_kvm_apic(1, reg, val)

/*
 * Tracepoint for kvm guest exit:
 */
TRACE_EVENT(kvm_exit,
	TP_PROTO(unsigned int exit_reason, unsigned long guest_rip),
	TP_ARGS(exit_reason, guest_rip),

	TP_STRUCT__entry(
		__field(	unsigned int,	exit_reason	)
		__field(	unsigned long,	guest_rip	)
	),

	TP_fast_assign(
		__entry->exit_reason	= exit_reason;
		__entry->guest_rip	= guest_rip;
	),

	TP_printk("reason %s rip 0x%lx",
		 ftrace_print_symbols_seq(p, __entry->exit_reason,
					  kvm_x86_ops->exit_reasons_str),
		 __entry->guest_rip)
);

/*
 * Tracepoint for kvm interrupt injection:
 */
TRACE_EVENT(kvm_inj_virq,
	TP_PROTO(unsigned int irq),
	TP_ARGS(irq),

	TP_STRUCT__entry(
		__field(	unsigned int,	irq		)
	),

	TP_fast_assign(
		__entry->irq		= irq;
	),

	TP_printk("irq %u", __entry->irq)
);

/*
 * Tracepoint for page fault.
 */
TRACE_EVENT(kvm_page_fault,
	TP_PROTO(unsigned long fault_address, unsigned int error_code),
	TP_ARGS(fault_address, error_code),

	TP_STRUCT__entry(
		__field(	unsigned long,	fault_address	)
		__field(	unsigned int,	error_code	)
	),

	TP_fast_assign(
		__entry->fault_address	= fault_address;
		__entry->error_code	= error_code;
	),

	TP_printk("address %lx error_code %x",
		  __entry->fault_address, __entry->error_code)
);

/*
 * Tracepoint for guest MSR access.
 */
TRACE_EVENT(kvm_msr,
	TP_PROTO(unsigned int rw, unsigned int ecx, unsigned long data),
	TP_ARGS(rw, ecx, data),

	TP_STRUCT__entry(
		__field(	unsigned int,	rw		)
		__field(	unsigned int,	ecx		)
		__field(	unsigned long,	data		)
	),

	TP_fast_assign(
		__entry->rw		= rw;
		__entry->ecx		= ecx;
		__entry->data		= data;
	),

	TP_printk("msr_%s %x = 0x%lx",
		  __entry->rw ? "write" : "read",
		  __entry->ecx, __entry->data)
);

#define trace_kvm_msr_read(ecx, data)		trace_kvm_msr(0, ecx, data)
#define trace_kvm_msr_write(ecx, data)		trace_kvm_msr(1, ecx, data)

/*
 * Tracepoint for guest CR access.
 */
TRACE_EVENT(kvm_cr,
	TP_PROTO(unsigned int rw, unsigned int cr, unsigned long val),
	TP_ARGS(rw, cr, val),

	TP_STRUCT__entry(
		__field(	unsigned int,	rw		)
		__field(	unsigned int,	cr		)
		__field(	unsigned long,	val		)
	),

	TP_fast_assign(
		__entry->rw		= rw;
		__entry->cr		= cr;
		__entry->val		= val;
	),

	TP_printk("cr_%s %x = 0x%lx",
		  __entry->rw ? "write" : "read",
		  __entry->cr, __entry->val)
);

#define trace_kvm_cr_read(cr, val)		trace_kvm_cr(0, cr, val)
#define trace_kvm_cr_write(cr, val)		trace_kvm_cr(1, cr, val)

TRACE_EVENT(kvm_pic_set_irq,
	    TP_PROTO(__u8 chip, __u8 pin, __u8 elcr, __u8 imr, bool coalesced),
	    TP_ARGS(chip, pin, elcr, imr, coalesced),

	TP_STRUCT__entry(
		__field(	__u8,		chip		)
		__field(	__u8,		pin		)
		__field(	__u8,		elcr		)
		__field(	__u8,		imr		)
		__field(	bool,		coalesced	)
	),

	TP_fast_assign(
		__entry->chip		= chip;
		__entry->pin		= pin;
		__entry->elcr		= elcr;
		__entry->imr		= imr;
		__entry->coalesced	= coalesced;
	),

	TP_printk("chip %u pin %u (%s%s)%s",
		  __entry->chip, __entry->pin,
		  (__entry->elcr & (1 << __entry->pin)) ? "level":"edge",
		  (__entry->imr & (1 << __entry->pin)) ? "|masked":"",
		  __entry->coalesced ? " (coalesced)" : "")
);

#define kvm_apic_dst_shorthand		\
	{0x0, "dst"},			\
	{0x1, "self"},			\
	{0x2, "all"},			\
	{0x3, "all-but-self"}

TRACE_EVENT(kvm_apic_ipi,
	    TP_PROTO(__u32 icr_low, __u32 dest_id),
	    TP_ARGS(icr_low, dest_id),

	TP_STRUCT__entry(
		__field(	__u32,		icr_low		)
		__field(	__u32,		dest_id		)
	),

	TP_fast_assign(
		__entry->icr_low	= icr_low;
		__entry->dest_id	= dest_id;
	),

	TP_printk("dst %x vec %u (%s|%s|%s|%s|%s)",
		  __entry->dest_id, (u8)__entry->icr_low,
		  __print_symbolic((__entry->icr_low >> 8 & 0x7),
				   kvm_deliver_mode),
		  (__entry->icr_low & (1<<11)) ? "logical" : "physical",
		  (__entry->icr_low & (1<<14)) ? "assert" : "de-assert",
		  (__entry->icr_low & (1<<15)) ? "level" : "edge",
		  __print_symbolic((__entry->icr_low >> 18 & 0x3),
				   kvm_apic_dst_shorthand))
);

TRACE_EVENT(kvm_apic_accept_irq,
	    TP_PROTO(__u32 apicid, __u16 dm, __u8 tm, __u8 vec, bool coalesced),
	    TP_ARGS(apicid, dm, tm, vec, coalesced),

	TP_STRUCT__entry(
		__field(	__u32,		apicid		)
		__field(	__u16,		dm		)
		__field(	__u8,		tm		)
		__field(	__u8,		vec		)
		__field(	bool,		coalesced	)
	),

	TP_fast_assign(
		__entry->apicid		= apicid;
		__entry->dm		= dm;
		__entry->tm		= tm;
		__entry->vec		= vec;
		__entry->coalesced	= coalesced;
	),

	TP_printk("apicid %x vec %u (%s|%s)%s",
		  __entry->apicid, __entry->vec,
		  __print_symbolic((__entry->dm >> 8 & 0x7), kvm_deliver_mode),
		  __entry->tm ? "level" : "edge",
		  __entry->coalesced ? " (coalesced)" : "")
);

#endif /* _TRACE_KVM_H */

/* This part must be outside protection */
#include <trace/define_trace.h>