trace.h 21 KB

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