projects / lttng-modules.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Add support for kvm x86 specific tracepoints
[lttng-modules.git] / instrumentation / events / lttng-module / arch / x86 / kvm / trace.h
1 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
2 #define _TRACE_KVM_H
3
4 #include <linux/tracepoint.h>
5 #include <asm/vmx.h>
6 #include <asm/svm.h>
7 #include <asm/clocksource.h>
8 #include <linux/version.h>
9 #include <../arch/x86/kvm/lapic.h>
10 #include <../arch/x86/kvm/kvm_cache_regs.h>
11
12 #undef TRACE_SYSTEM
13 #define TRACE_SYSTEM kvm
14
15 /*
16 * Tracepoint for guest mode entry.
17 */
18 TRACE_EVENT(kvm_entry,
19 TP_PROTO(unsigned int vcpu_id),
20 TP_ARGS(vcpu_id),
21
22 TP_STRUCT__entry(
23 __field( unsigned int, vcpu_id )
24 ),
25
26 TP_fast_assign(
27 tp_assign(vcpu_id, vcpu_id)
28 ),
29
30 TP_printk("vcpu %u", __entry->vcpu_id)
31 )
32
33 /*
34 * Tracepoint for hypercall.
35 */
36 TRACE_EVENT(kvm_hypercall,
37 TP_PROTO(unsigned long nr, unsigned long a0, unsigned long a1,
38 unsigned long a2, unsigned long a3),
39 TP_ARGS(nr, a0, a1, a2, a3),
40
41 TP_STRUCT__entry(
42 __field( unsigned long, nr )
43 __field( unsigned long, a0 )
44 __field( unsigned long, a1 )
45 __field( unsigned long, a2 )
46 __field( unsigned long, a3 )
47 ),
48
49 TP_fast_assign(
50 tp_assign(nr, nr)
51 tp_assign(a0, a0)
52 tp_assign(a1, a1)
53 tp_assign(a2, a2)
54 tp_assign(a3, a3)
55 ),
56
57 TP_printk("nr 0x%lx a0 0x%lx a1 0x%lx a2 0x%lx a3 0x%lx",
58 __entry->nr, __entry->a0, __entry->a1, __entry->a2,
59 __entry->a3)
60 )
61
62 /*
63 * Tracepoint for hypercall.
64 */
65 TRACE_EVENT(kvm_hv_hypercall,
66 TP_PROTO(__u16 code, bool fast, __u16 rep_cnt, __u16 rep_idx,
67 __u64 ingpa, __u64 outgpa),
68 TP_ARGS(code, fast, rep_cnt, rep_idx, ingpa, outgpa),
69
70 TP_STRUCT__entry(
71 __field( __u16, rep_cnt )
72 __field( __u16, rep_idx )
73 __field( __u64, ingpa )
74 __field( __u64, outgpa )
75 __field( __u16, code )
76 __field( bool, fast )
77 ),
78
79 TP_fast_assign(
80 tp_assign(rep_cnt, rep_cnt)
81 tp_assign(rep_idx, rep_idx)
82 tp_assign(ingpa, ingpa)
83 tp_assign(outgpa, outgpa)
84 tp_assign(code, code)
85 tp_assign(fast, fast)
86 ),
87
88 TP_printk("code 0x%x %s cnt 0x%x idx 0x%x in 0x%llx out 0x%llx",
89 __entry->code, __entry->fast ? "fast" : "slow",
90 __entry->rep_cnt, __entry->rep_idx, __entry->ingpa,
91 __entry->outgpa)
92 )
93
94 /*
95 * Tracepoint for PIO.
96 */
97 TRACE_EVENT(kvm_pio,
98 TP_PROTO(unsigned int rw, unsigned int port, unsigned int size,
99 unsigned int count),
100 TP_ARGS(rw, port, size, count),
101
102 TP_STRUCT__entry(
103 __field( unsigned int, rw )
104 __field( unsigned int, port )
105 __field( unsigned int, size )
106 __field( unsigned int, count )
107 ),
108
109 TP_fast_assign(
110 tp_assign(rw, rw)
111 tp_assign(port, port)
112 tp_assign(size, size)
113 tp_assign(count, count)
114 ),
115
116 TP_printk("pio_%s at 0x%x size %d count %d",
117 __entry->rw ? "write" : "read",
118 __entry->port, __entry->size, __entry->count)
119 )
120
121 /*
122 * Tracepoint for cpuid.
123 */
124 TRACE_EVENT(kvm_cpuid,
125 TP_PROTO(unsigned int function, unsigned long rax, unsigned long rbx,
126 unsigned long rcx, unsigned long rdx),
127 TP_ARGS(function, rax, rbx, rcx, rdx),
128
129 TP_STRUCT__entry(
130 __field( unsigned int, function )
131 __field( unsigned long, rax )
132 __field( unsigned long, rbx )
133 __field( unsigned long, rcx )
134 __field( unsigned long, rdx )
135 ),
136
137 TP_fast_assign(
138 tp_assign(function, function)
139 tp_assign(rax, rax)
140 tp_assign(rbx, rbx)
141 tp_assign(rcx, rcx)
142 tp_assign(rdx, rdx)
143 ),
144
145 TP_printk("func %x rax %lx rbx %lx rcx %lx rdx %lx",
146 __entry->function, __entry->rax,
147 __entry->rbx, __entry->rcx, __entry->rdx)
148 )
149
150 #define AREG(x) { APIC_##x, "APIC_" #x }
151
152 #define kvm_trace_symbol_apic \
153 AREG(ID), AREG(LVR), AREG(TASKPRI), AREG(ARBPRI), AREG(PROCPRI), \
154 AREG(EOI), AREG(RRR), AREG(LDR), AREG(DFR), AREG(SPIV), AREG(ISR), \
155 AREG(TMR), AREG(IRR), AREG(ESR), AREG(ICR), AREG(ICR2), AREG(LVTT), \
156 AREG(LVTTHMR), AREG(LVTPC), AREG(LVT0), AREG(LVT1), AREG(LVTERR), \
157 AREG(TMICT), AREG(TMCCT), AREG(TDCR), AREG(SELF_IPI), AREG(EFEAT), \
158 AREG(ECTRL)
159 /*
160 * Tracepoint for apic access.
161 */
162 TRACE_EVENT(kvm_apic,
163 TP_PROTO(unsigned int rw, unsigned int reg, unsigned int val),
164 TP_ARGS(rw, reg, val),
165
166 TP_STRUCT__entry(
167 __field( unsigned int, rw )
168 __field( unsigned int, reg )
169 __field( unsigned int, val )
170 ),
171
172 TP_fast_assign(
173 tp_assign(rw, rw)
174 tp_assign(reg, reg)
175 tp_assign(val, val)
176 ),
177
178 TP_printk("apic_%s %s = 0x%x",
179 __entry->rw ? "write" : "read",
180 __print_symbolic(__entry->reg, kvm_trace_symbol_apic),
181 __entry->val)
182 )
183
184 #define trace_kvm_apic_read(reg, val) trace_kvm_apic(0, reg, val)
185 #define trace_kvm_apic_write(reg, val) trace_kvm_apic(1, reg, val)
186
187 #define KVM_ISA_VMX 1
188 #define KVM_ISA_SVM 2
189
190 /*
191 * Tracepoint for kvm guest exit:
192 */
193 TRACE_EVENT(kvm_exit,
194 TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu, u32 isa, u64 info1, u64 info2),
195 TP_ARGS(exit_reason, vcpu, isa, info1, info2),
196
197 TP_STRUCT__entry(
198 __field( unsigned int, exit_reason )
199 __field( unsigned long, guest_rip )
200 __field( u32, isa )
201 __field( u64, info1 )
202 __field( u64, info2 )
203 ),
204
205 TP_fast_assign(
206 tp_assign(exit_reason, exit_reason)
207 tp_assign(guest_rip, kvm_rip_read(vcpu))
208 tp_assign(isa, isa)
209 kvm_x86_ops->get_exit_info(vcpu, &info1,
210 &info2);
211 tp_assign(info1, info1)
212 tp_assign(info2, info2)
213 ),
214
215 TP_printk("reason %s rip info %llx %llx",
216 (__entry->isa == KVM_ISA_VMX) ?
217 __print_symbolic(__entry->exit_reason, VMX_EXIT_REASONS) :
218 __print_symbolic(__entry->exit_reason, SVM_EXIT_REASONS),
219 /* __entry->guest_rip,*/ __entry->info1, __entry->info2)
220 )
221
222 /*
223 * Tracepoint for kvm interrupt injection:
224 */
225 TRACE_EVENT(kvm_inj_virq,
226 TP_PROTO(unsigned int irq),
227 TP_ARGS(irq),
228
229 TP_STRUCT__entry(
230 __field( unsigned int, irq )
231 ),
232
233 TP_fast_assign(
234 tp_assign(irq, irq)
235 ),
236
237 TP_printk("irq %u", __entry->irq)
238 )
239
240 #define EXS(x) { x##_VECTOR, "#" #x }
241
242 #define kvm_trace_sym_exc \
243 EXS(DE), EXS(DB), EXS(BP), EXS(OF), EXS(BR), EXS(UD), EXS(NM), \
244 EXS(DF), EXS(TS), EXS(NP), EXS(SS), EXS(GP), EXS(PF), \
245 EXS(MF), EXS(MC)
246
247 /*
248 * Tracepoint for kvm interrupt injection:
249 */
250 TRACE_EVENT(kvm_inj_exception,
251 TP_PROTO(unsigned exception, bool has_error, unsigned error_code),
252 TP_ARGS(exception, has_error, error_code),
253
254 TP_STRUCT__entry(
255 __field( u8, exception )
256 __field( u8, has_error )
257 __field( u32, error_code )
258 ),
259
260 TP_fast_assign(
261 tp_assign(exception, exception)
262 tp_assign(has_error, has_error)
263 tp_assign(error_code, error_code)
264 ),
265
266 TP_printk("%s (0x%x)",
267 __print_symbolic(__entry->exception, kvm_trace_sym_exc),
268 /* FIXME: don't print error_code if not present */
269 __entry->has_error ? __entry->error_code : 0)
270 )
271
272 /*
273 * Tracepoint for page fault.
274 */
275 TRACE_EVENT(kvm_page_fault,
276 TP_PROTO(unsigned long fault_address, unsigned int error_code),
277 TP_ARGS(fault_address, error_code),
278
279 TP_STRUCT__entry(
280 __field( unsigned long, fault_address )
281 __field( unsigned int, error_code )
282 ),
283
284 TP_fast_assign(
285 tp_assign(fault_address, fault_address)
286 tp_assign(error_code, error_code)
287 ),
288
289 TP_printk("address %lx error_code %x",
290 __entry->fault_address, __entry->error_code)
291 )
292
293 /*
294 * Tracepoint for guest MSR access.
295 */
296 TRACE_EVENT(kvm_msr,
297 TP_PROTO(unsigned write, u32 ecx, u64 data, bool exception),
298 TP_ARGS(write, ecx, data, exception),
299
300 TP_STRUCT__entry(
301 __field( unsigned, write )
302 __field( u32, ecx )
303 __field( u64, data )
304 __field( u8, exception )
305 ),
306
307 TP_fast_assign(
308 tp_assign(write, write)
309 tp_assign(ecx, ecx)
310 tp_assign(data, data)
311 tp_assign(exception, exception)
312 ),
313
314 TP_printk("msr_%s %x = 0x%llx%s",
315 __entry->write ? "write" : "read",
316 __entry->ecx, __entry->data,
317 __entry->exception ? " (#GP)" : "")
318 )
319
320 #define trace_kvm_msr_read(ecx, data) trace_kvm_msr(0, ecx, data, false)
321 #define trace_kvm_msr_write(ecx, data) trace_kvm_msr(1, ecx, data, false)
322 #define trace_kvm_msr_read_ex(ecx) trace_kvm_msr(0, ecx, 0, true)
323 #define trace_kvm_msr_write_ex(ecx, data) trace_kvm_msr(1, ecx, data, true)
324
325 /*
326 * Tracepoint for guest CR access.
327 */
328 TRACE_EVENT(kvm_cr,
329 TP_PROTO(unsigned int rw, unsigned int cr, unsigned long val),
330 TP_ARGS(rw, cr, val),
331
332 TP_STRUCT__entry(
333 __field( unsigned int, rw )
334 __field( unsigned int, cr )
335 __field( unsigned long, val )
336 ),
337
338 TP_fast_assign(
339 tp_assign(rw, rw)
340 tp_assign(cr, cr)
341 tp_assign(val, val)
342 ),
343
344 TP_printk("cr_%s %x = 0x%lx",
345 __entry->rw ? "write" : "read",
346 __entry->cr, __entry->val)
347 )
348
349 #define trace_kvm_cr_read(cr, val) trace_kvm_cr(0, cr, val)
350 #define trace_kvm_cr_write(cr, val) trace_kvm_cr(1, cr, val)
351
352 TRACE_EVENT(kvm_pic_set_irq,
353 TP_PROTO(__u8 chip, __u8 pin, __u8 elcr, __u8 imr, bool coalesced),
354 TP_ARGS(chip, pin, elcr, imr, coalesced),
355
356 TP_STRUCT__entry(
357 __field( __u8, chip )
358 __field( __u8, pin )
359 __field( __u8, elcr )
360 __field( __u8, imr )
361 __field( bool, coalesced )
362 ),
363
364 TP_fast_assign(
365 tp_assign(chip, chip)
366 tp_assign(pin, pin)
367 tp_assign(elcr, elcr)
368 tp_assign(imr, imr)
369 tp_assign(coalesced, coalesced)
370 ),
371
372 TP_printk("chip %u pin %u (%s%s)%s",
373 __entry->chip, __entry->pin,
374 (__entry->elcr & (1 << __entry->pin)) ? "level":"edge",
375 (__entry->imr & (1 << __entry->pin)) ? "|masked":"",
376 __entry->coalesced ? " (coalesced)" : "")
377 )
378
379 #define kvm_apic_dst_shorthand \
380 {0x0, "dst"}, \
381 {0x1, "self"}, \
382 {0x2, "all"}, \
383 {0x3, "all-but-self"}
384
385 TRACE_EVENT(kvm_apic_ipi,
386 TP_PROTO(__u32 icr_low, __u32 dest_id),
387 TP_ARGS(icr_low, dest_id),
388
389 TP_STRUCT__entry(
390 __field( __u32, icr_low )
391 __field( __u32, dest_id )
392 ),
393
394 TP_fast_assign(
395 tp_assign(icr_low, icr_low)
396 tp_assign(dest_id, dest_id)
397 ),
398
399 TP_printk("dst %x vec %u (%s|%s|%s|%s|%s)",
400 __entry->dest_id, (u8)__entry->icr_low,
401 __print_symbolic((__entry->icr_low >> 8 & 0x7),
402 kvm_deliver_mode),
403 (__entry->icr_low & (1<<11)) ? "logical" : "physical",
404 (__entry->icr_low & (1<<14)) ? "assert" : "de-assert",
405 (__entry->icr_low & (1<<15)) ? "level" : "edge",
406 __print_symbolic((__entry->icr_low >> 18 & 0x3),
407 kvm_apic_dst_shorthand))
408 )
409
410 TRACE_EVENT(kvm_apic_accept_irq,
411 TP_PROTO(__u32 apicid, __u16 dm, __u8 tm, __u8 vec, bool coalesced),
412 TP_ARGS(apicid, dm, tm, vec, coalesced),
413
414 TP_STRUCT__entry(
415 __field( __u32, apicid )
416 __field( __u16, dm )
417 __field( __u8, tm )
418 __field( __u8, vec )
419 __field( bool, coalesced )
420 ),
421
422 TP_fast_assign(
423 tp_assign(apicid, apicid)
424 tp_assign(dm, dm)
425 tp_assign(tm, tm)
426 tp_assign(vec, vec)
427 tp_assign(coalesced, coalesced)
428 ),
429
430 TP_printk("apicid %x vec %u (%s|%s)%s",
431 __entry->apicid, __entry->vec,
432 __print_symbolic((__entry->dm >> 8 & 0x7), kvm_deliver_mode),
433 __entry->tm ? "level" : "edge",
434 __entry->coalesced ? " (coalesced)" : "")
435 )
436
437 TRACE_EVENT(kvm_eoi,
438 TP_PROTO(struct kvm_lapic *apic, int vector),
439 TP_ARGS(apic, vector),
440
441 TP_STRUCT__entry(
442 __field( __u32, apicid )
443 __field( int, vector )
444 ),
445
446 TP_fast_assign(
447 tp_assign(apicid, apic->vcpu->vcpu_id)
448 tp_assign(vector, vector)
449 ),
450
451 TP_printk("apicid %x vector %d", __entry->apicid, __entry->vector)
452 )
453
454 TRACE_EVENT(kvm_pv_eoi,
455 TP_PROTO(struct kvm_lapic *apic, int vector),
456 TP_ARGS(apic, vector),
457
458 TP_STRUCT__entry(
459 __field( __u32, apicid )
460 __field( int, vector )
461 ),
462
463 TP_fast_assign(
464 tp_assign(apicid, apic->vcpu->vcpu_id)
465 tp_assign(vector, vector)
466 ),
467
468 TP_printk("apicid %x vector %d", __entry->apicid, __entry->vector)
469 )
470
471 /*
472 * Tracepoint for nested VMRUN
473 */
474 TRACE_EVENT(kvm_nested_vmrun,
475 TP_PROTO(__u64 rip, __u64 vmcb, __u64 nested_rip, __u32 int_ctl,
476 __u32 event_inj, bool npt),
477 TP_ARGS(rip, vmcb, nested_rip, int_ctl, event_inj, npt),
478
479 TP_STRUCT__entry(
480 __field( __u64, rip )
481 __field( __u64, vmcb )
482 __field( __u64, nested_rip )
483 __field( __u32, int_ctl )
484 __field( __u32, event_inj )
485 __field( bool, npt )
486 ),
487
488 TP_fast_assign(
489 tp_assign(rip, rip)
490 tp_assign(vmcb, vmcb)
491 tp_assign(nested_rip, nested_rip)
492 tp_assign(int_ctl, int_ctl)
493 tp_assign(event_inj, event_inj)
494 tp_assign(npt, npt)
495 ),
496
497 TP_printk("rip: 0x%016llx vmcb: 0x%016llx nrip: 0x%016llx int_ctl: 0x%08x "
498 "event_inj: 0x%08x npt: %s",
499 __entry->rip, __entry->vmcb, __entry->nested_rip,
500 __entry->int_ctl, __entry->event_inj,
501 __entry->npt ? "on" : "off")
502 )
503
504 TRACE_EVENT(kvm_nested_intercepts,
505 TP_PROTO(__u16 cr_read, __u16 cr_write, __u32 exceptions, __u64 intercept),
506 TP_ARGS(cr_read, cr_write, exceptions, intercept),
507
508 TP_STRUCT__entry(
509 __field( __u16, cr_read )
510 __field( __u16, cr_write )
511 __field( __u32, exceptions )
512 __field( __u64, intercept )
513 ),
514
515 TP_fast_assign(
516 tp_assign(cr_read, cr_read)
517 tp_assign(cr_write, cr_write)
518 tp_assign(exceptions, exceptions)
519 tp_assign(intercept, intercept)
520 ),
521
522 TP_printk("cr_read: %04x cr_write: %04x excp: %08x intercept: %016llx",
523 __entry->cr_read, __entry->cr_write, __entry->exceptions,
524 __entry->intercept)
525 )
526 /*
527 * Tracepoint for #VMEXIT while nested
528 */
529 TRACE_EVENT(kvm_nested_vmexit,
530 TP_PROTO(__u64 rip, __u32 exit_code,
531 __u64 exit_info1, __u64 exit_info2,
532 __u32 exit_int_info, __u32 exit_int_info_err, __u32 isa),
533 TP_ARGS(rip, exit_code, exit_info1, exit_info2,
534 exit_int_info, exit_int_info_err, isa),
535
536 TP_STRUCT__entry(
537 __field( __u64, rip )
538 __field( __u32, exit_code )
539 __field( __u64, exit_info1 )
540 __field( __u64, exit_info2 )
541 __field( __u32, exit_int_info )
542 __field( __u32, exit_int_info_err )
543 __field( __u32, isa )
544 ),
545
546 TP_fast_assign(
547 tp_assign(rip, rip)
548 tp_assign(exit_code, exit_code)
549 tp_assign(exit_info1, exit_info1)
550 tp_assign(exit_info2, exit_info2)
551 tp_assign(exit_int_info, exit_int_info)
552 tp_assign(exit_int_info_err, exit_int_info_err)
553 tp_assign(isa, isa)
554 ),
555 TP_printk("rip: 0x%016llx reason: %s ext_inf1: 0x%016llx "
556 "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
557 __entry->rip,
558 (__entry->isa == KVM_ISA_VMX) ?
559 __print_symbolic(__entry->exit_code, VMX_EXIT_REASONS) :
560 __print_symbolic(__entry->exit_code, SVM_EXIT_REASONS),
561 __entry->exit_info1, __entry->exit_info2,
562 __entry->exit_int_info, __entry->exit_int_info_err)
563 )
564
565 /*
566 * Tracepoint for #VMEXIT reinjected to the guest
567 */
568 TRACE_EVENT(kvm_nested_vmexit_inject,
569 TP_PROTO(__u32 exit_code,
570 __u64 exit_info1, __u64 exit_info2,
571 __u32 exit_int_info, __u32 exit_int_info_err, __u32 isa),
572 TP_ARGS(exit_code, exit_info1, exit_info2,
573 exit_int_info, exit_int_info_err, isa),
574
575 TP_STRUCT__entry(
576 __field( __u32, exit_code )
577 __field( __u64, exit_info1 )
578 __field( __u64, exit_info2 )
579 __field( __u32, exit_int_info )
580 __field( __u32, exit_int_info_err )
581 __field( __u32, isa )
582 ),
583
584 TP_fast_assign(
585 tp_assign(exit_code, exit_code)
586 tp_assign(exit_info1, exit_info1)
587 tp_assign(exit_info2, exit_info2)
588 tp_assign(exit_int_info, exit_int_info)
589 tp_assign(exit_int_info_err, exit_int_info_err)
590 tp_assign(isa, isa)
591 ),
592
593 TP_printk("reason: %s ext_inf1: 0x%016llx "
594 "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
595 (__entry->isa == KVM_ISA_VMX) ?
596 __print_symbolic(__entry->exit_code, VMX_EXIT_REASONS) :
597 __print_symbolic(__entry->exit_code, SVM_EXIT_REASONS),
598 __entry->exit_info1, __entry->exit_info2,
599 __entry->exit_int_info, __entry->exit_int_info_err)
600 )
601
602 /*
603 * Tracepoint for nested #vmexit because of interrupt pending
604 */
605 TRACE_EVENT(kvm_nested_intr_vmexit,
606 TP_PROTO(__u64 rip),
607 TP_ARGS(rip),
608
609 TP_STRUCT__entry(
610 __field( __u64, rip )
611 ),
612
613 TP_fast_assign(
614 tp_assign(rip, rip)
615 ),
616
617 TP_printk("rip: 0x%016llx", __entry->rip)
618 )
619
620 /*
621 * Tracepoint for nested #vmexit because of interrupt pending
622 */
623 TRACE_EVENT(kvm_invlpga,
624 TP_PROTO(__u64 rip, int asid, u64 address),
625 TP_ARGS(rip, asid, address),
626
627 TP_STRUCT__entry(
628 __field( __u64, rip )
629 __field( int, asid )
630 __field( __u64, address )
631 ),
632
633 TP_fast_assign(
634 tp_assign(rip, rip)
635 tp_assign(asid, asid)
636 tp_assign(address, address)
637 ),
638
639 TP_printk("rip: 0x%016llx asid: %d address: 0x%016llx",
640 __entry->rip, __entry->asid, __entry->address)
641 )
642
643 /*
644 * Tracepoint for nested #vmexit because of interrupt pending
645 */
646 TRACE_EVENT(kvm_skinit,
647 TP_PROTO(__u64 rip, __u32 slb),
648 TP_ARGS(rip, slb),
649
650 TP_STRUCT__entry(
651 __field( __u64, rip )
652 __field( __u32, slb )
653 ),
654
655 TP_fast_assign(
656 tp_assign(rip, rip)
657 tp_assign(slb, slb)
658 ),
659
660 TP_printk("rip: 0x%016llx slb: 0x%08x",
661 __entry->rip, __entry->slb)
662 )
663
664 #define KVM_EMUL_INSN_F_CR0_PE (1 << 0)
665 #define KVM_EMUL_INSN_F_EFL_VM (1 << 1)
666 #define KVM_EMUL_INSN_F_CS_D (1 << 2)
667 #define KVM_EMUL_INSN_F_CS_L (1 << 3)
668
669 #define kvm_trace_symbol_emul_flags \
670 { 0, "real" }, \
671 { KVM_EMUL_INSN_F_CR0_PE \
672 | KVM_EMUL_INSN_F_EFL_VM, "vm16" }, \
673 { KVM_EMUL_INSN_F_CR0_PE, "prot16" }, \
674 { KVM_EMUL_INSN_F_CR0_PE \
675 | KVM_EMUL_INSN_F_CS_D, "prot32" }, \
676 { KVM_EMUL_INSN_F_CR0_PE \
677 | KVM_EMUL_INSN_F_CS_L, "prot64" }
678
679 #define kei_decode_mode(mode) ({ \
680 u8 flags = 0xff; \
681 switch (mode) { \
682 case X86EMUL_MODE_REAL: \
683 flags = 0; \
684 break; \
685 case X86EMUL_MODE_VM86: \
686 flags = KVM_EMUL_INSN_F_EFL_VM; \
687 break; \
688 case X86EMUL_MODE_PROT16: \
689 flags = KVM_EMUL_INSN_F_CR0_PE; \
690 break; \
691 case X86EMUL_MODE_PROT32: \
692 flags = KVM_EMUL_INSN_F_CR0_PE \
693 | KVM_EMUL_INSN_F_CS_D; \
694 break; \
695 case X86EMUL_MODE_PROT64: \
696 flags = KVM_EMUL_INSN_F_CR0_PE \
697 | KVM_EMUL_INSN_F_CS_L; \
698 break; \
699 } \
700 flags; \
701 })
702
703 TRACE_EVENT(kvm_emulate_insn,
704 TP_PROTO(struct kvm_vcpu *vcpu, __u8 failed),
705 TP_ARGS(vcpu, failed),
706
707 TP_STRUCT__entry(
708 __field( __u64, rip )
709 __field( __u32, csbase )
710 __field( __u8, len )
711 __array( __u8, insn, 15 )
712 __field( __u8, flags )
713 __field( __u8, failed )
714 ),
715
716 TP_fast_assign(
717 tp_assign(rip, vcpu->arch.emulate_ctxt.fetch.start)
718 tp_assign(csbase, kvm_x86_ops->get_segment_base(vcpu, VCPU_SREG_CS))
719 tp_assign(len, vcpu->arch.emulate_ctxt._eip
720 - vcpu->arch.emulate_ctxt.fetch.start)
721 tp_memcpy(insn,
722 vcpu->arch.emulate_ctxt.fetch.data,
723 15)
724 tp_assign(flags, kei_decode_mode(vcpu->arch.emulate_ctxt.mode))
725 tp_assign(failed, failed)
726 ),
727
728 TP_printk("%x:%llx:%s (%s)%s",
729 __entry->csbase, __entry->rip,
730 __print_hex(__entry->insn, __entry->len),
731 __print_symbolic(__entry->flags,
732 kvm_trace_symbol_emul_flags),
733 __entry->failed ? " failed" : ""
734 )
735 )
736
737 #define trace_kvm_emulate_insn_start(vcpu) trace_kvm_emulate_insn(vcpu, 0)
738 #define trace_kvm_emulate_insn_failed(vcpu) trace_kvm_emulate_insn(vcpu, 1)
739
740 TRACE_EVENT(
741 vcpu_match_mmio,
742 TP_PROTO(gva_t gva, gpa_t gpa, bool write, bool gpa_match),
743 TP_ARGS(gva, gpa, write, gpa_match),
744
745 TP_STRUCT__entry(
746 __field(gva_t, gva)
747 __field(gpa_t, gpa)
748 __field(bool, write)
749 __field(bool, gpa_match)
750 ),
751
752 TP_fast_assign(
753 tp_assign(gva, gva)
754 tp_assign(gpa, gpa)
755 tp_assign(write, write)
756 tp_assign(gpa_match, gpa_match)
757 ),
758
759 TP_printk("gva %#lx gpa %#llx %s %s", __entry->gva, __entry->gpa,
760 __entry->write ? "Write" : "Read",
761 __entry->gpa_match ? "GPA" : "GVA")
762 )
763
764 #ifdef CONFIG_X86_64
765
766 #define host_clocks \
767 {VCLOCK_NONE, "none"}, \
768 {VCLOCK_TSC, "tsc"}, \
769 {VCLOCK_HPET, "hpet"} \
770
771 TRACE_EVENT(kvm_update_master_clock,
772 TP_PROTO(bool use_master_clock, unsigned int host_clock, bool offset_matched),
773 TP_ARGS(use_master_clock, host_clock, offset_matched),
774
775 TP_STRUCT__entry(
776 __field( bool, use_master_clock )
777 __field( unsigned int, host_clock )
778 __field( bool, offset_matched )
779 ),
780
781 TP_fast_assign(
782 tp_assign(use_master_clock, use_master_clock)
783 tp_assign(host_clock, host_clock)
784 tp_assign(offset_matched, offset_matched)
785 ),
786
787 TP_printk("masterclock %d hostclock %s offsetmatched %u",
788 __entry->use_master_clock,
789 __print_symbolic(__entry->host_clock, host_clocks),
790 __entry->offset_matched)
791 )
792
793 TRACE_EVENT(kvm_track_tsc,
794 TP_PROTO(unsigned int vcpu_id, unsigned int nr_matched,
795 unsigned int online_vcpus, bool use_master_clock,
796 unsigned int host_clock),
797 TP_ARGS(vcpu_id, nr_matched, online_vcpus, use_master_clock,
798 host_clock),
799
800 TP_STRUCT__entry(
801 __field( unsigned int, vcpu_id )
802 __field( unsigned int, nr_vcpus_matched_tsc )
803 __field( unsigned int, online_vcpus )
804 __field( bool, use_master_clock )
805 __field( unsigned int, host_clock )
806 ),
807
808 TP_fast_assign(
809 tp_assign(vcpu_id, vcpu_id)
810 tp_assign(nr_vcpus_matched_tsc, nr_matched)
811 tp_assign(online_vcpus, online_vcpus)
812 tp_assign(use_master_clock, use_master_clock)
813 tp_assign(host_clock, host_clock)
814 ),
815
816 TP_printk("vcpu_id %u masterclock %u offsetmatched %u nr_online %u"
817 " hostclock %s",
818 __entry->vcpu_id, __entry->use_master_clock,
819 __entry->nr_vcpus_matched_tsc, __entry->online_vcpus,
820 __print_symbolic(__entry->host_clock, host_clocks))
821 )
822
823 #endif /* CONFIG_X86_64 */
824
825 #endif /* _TRACE_KVM_H */
826
827 #undef TRACE_INCLUDE_PATH
828 #define TRACE_INCLUDE_PATH ../instrumentation/events/lttng-module/arch/x86/kvm
829 #undef TRACE_INCLUDE_FILE
830 #define TRACE_INCLUDE_FILE trace
831
832 /* This part must be outside protection */
833 #include "../../../../../../probes/define_trace.h"
LTTng 2.0/0.x modules
This page took 0.046003 seconds and 4 git commands to generate.