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Viewing changes to arch/x86/kvm/trace.h

  • Committer: Bazaar Package Importer
  • Author(s): Ben Hutchings, Ben Hutchings, Aurelien Jarno, Martin Michlmayr
  • Date: 2011-04-06 13:53:30 UTC
  • mfrom: (43.1.5 sid)
  • Revision ID: james.westby@ubuntu.com-20110406135330-wjufxhd0tvn3zx4z
Tags: 2.6.38-3
http://bugs.debian.org/620124
http://bugs.debian.org/620284
http://bugs.debian.org/620204
[ Ben Hutchings ]
* [ppc64] Add to linux-tools package architectures (Closes: #620124)
* [amd64] Save cr4 to mmu_cr4_features at boot time (Closes: #620284)
* appletalk: Fix bugs introduced when removing use of BKL
* ALSA: Fix yet another race in disconnection
* cciss: Fix lost command issue
* ath9k: Fix kernel panic in AR2427
* ses: Avoid kernel panic when lun 0 is not mapped
* PCI/ACPI: Report ASPM support to BIOS if not disabled from command line

[ Aurelien Jarno ]
* rtlwifi: fix build when PCI is not enabled.

[ Martin Michlmayr ]
* rtlwifi: Eliminate udelay calls with too large values (Closes: #620204)

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added added

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Lines of Context:
arch/x86/kvm/trace.h
5
5
 
6
6
#undef TRACE_SYSTEM
7
7
#define TRACE_SYSTEM kvm
8
 
#define TRACE_INCLUDE_PATH arch/x86/kvm
9
 
#define TRACE_INCLUDE_FILE trace
10
8
 
11
9
/*
12
10
 * Tracepoint for guest mode entry.
56
54
);
57
55
 
58
56
/*
 
57
 * Tracepoint for hypercall.
 
58
 */
 
59
TRACE_EVENT(kvm_hv_hypercall,
 
60
        TP_PROTO(__u16 code, bool fast, __u16 rep_cnt, __u16 rep_idx,
 
61
                 __u64 ingpa, __u64 outgpa),
 
62
        TP_ARGS(code, fast, rep_cnt, rep_idx, ingpa, outgpa),
 
63
 
 
64
        TP_STRUCT__entry(
 
65
                __field(        __u16,          code            )
 
66
                __field(        bool,           fast            )
 
67
                __field(        __u16,          rep_cnt         )
 
68
                __field(        __u16,          rep_idx         )
 
69
                __field(        __u64,          ingpa           )
 
70
                __field(        __u64,          outgpa          )
 
71
        ),
 
72
 
 
73
        TP_fast_assign(
 
74
                __entry->code           = code;
 
75
                __entry->fast           = fast;
 
76
                __entry->rep_cnt        = rep_cnt;
 
77
                __entry->rep_idx        = rep_idx;
 
78
                __entry->ingpa          = ingpa;
 
79
                __entry->outgpa         = outgpa;
 
80
        ),
 
81
 
 
82
        TP_printk("code 0x%x %s cnt 0x%x idx 0x%x in 0x%llx out 0x%llx",
 
83
                  __entry->code, __entry->fast ? "fast" : "slow",
 
84
                  __entry->rep_cnt, __entry->rep_idx,  __entry->ingpa,
 
85
                  __entry->outgpa)
 
86
);
 
87
 
 
88
/*
59
89
 * Tracepoint for PIO.
60
90
 */
61
91
TRACE_EVENT(kvm_pio,
148
178
#define trace_kvm_apic_read(reg, val)           trace_kvm_apic(0, reg, val)
149
179
#define trace_kvm_apic_write(reg, val)          trace_kvm_apic(1, reg, val)
150
180
 
 
181
#define KVM_ISA_VMX   1
 
182
#define KVM_ISA_SVM   2
 
183
 
151
184
/*
152
185
 * Tracepoint for kvm guest exit:
153
186
 */
154
187
TRACE_EVENT(kvm_exit,
155
 
        TP_PROTO(unsigned int exit_reason, unsigned long guest_rip),
156
 
        TP_ARGS(exit_reason, guest_rip),
 
188
        TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu, u32 isa),
 
189
        TP_ARGS(exit_reason, vcpu, isa),
157
190
 
158
191
        TP_STRUCT__entry(
159
192
                __field(        unsigned int,   exit_reason     )
160
193
                __field(        unsigned long,  guest_rip       )
 
194
                __field(        u32,            isa             )
 
195
                __field(        u64,            info1           )
 
196
                __field(        u64,            info2           )
161
197
        ),
162
198
 
163
199
        TP_fast_assign(
164
200
                __entry->exit_reason    = exit_reason;
165
 
                __entry->guest_rip      = guest_rip;
 
201
                __entry->guest_rip      = kvm_rip_read(vcpu);
 
202
                __entry->isa            = isa;
 
203
                kvm_x86_ops->get_exit_info(vcpu, &__entry->info1,
 
204
                                           &__entry->info2);
166
205
        ),
167
206
 
168
 
        TP_printk("reason %s rip 0x%lx",
 
207
        TP_printk("reason %s rip 0x%lx info %llx %llx",
169
208
                 ftrace_print_symbols_seq(p, __entry->exit_reason,
170
209
                                          kvm_x86_ops->exit_reasons_str),
171
 
                 __entry->guest_rip)
 
210
                 __entry->guest_rip, __entry->info1, __entry->info2)
172
211
);
173
212
 
174
213
/*
189
228
        TP_printk("irq %u", __entry->irq)
190
229
);
191
230
 
 
231
#define EXS(x) { x##_VECTOR, "#" #x }
 
232
 
 
233
#define kvm_trace_sym_exc                                               \
 
234
        EXS(DE), EXS(DB), EXS(BP), EXS(OF), EXS(BR), EXS(UD), EXS(NM),  \
 
235
        EXS(DF), EXS(TS), EXS(NP), EXS(SS), EXS(GP), EXS(PF),           \
 
236
        EXS(MF), EXS(MC)
 
237
 
 
238
/*
 
239
 * Tracepoint for kvm interrupt injection:
 
240
 */
 
241
TRACE_EVENT(kvm_inj_exception,
 
242
        TP_PROTO(unsigned exception, bool has_error, unsigned error_code),
 
243
        TP_ARGS(exception, has_error, error_code),
 
244
 
 
245
        TP_STRUCT__entry(
 
246
                __field(        u8,     exception       )
 
247
                __field(        u8,     has_error       )
 
248
                __field(        u32,    error_code      )
 
249
        ),
 
250
 
 
251
        TP_fast_assign(
 
252
                __entry->exception      = exception;
 
253
                __entry->has_error      = has_error;
 
254
                __entry->error_code     = error_code;
 
255
        ),
 
256
 
 
257
        TP_printk("%s (0x%x)",
 
258
                  __print_symbolic(__entry->exception, kvm_trace_sym_exc),
 
259
                  /* FIXME: don't print error_code if not present */
 
260
                  __entry->has_error ? __entry->error_code : 0)
 
261
);
 
262
 
192
263
/*
193
264
 * Tracepoint for page fault.
194
265
 */
214
285
 * Tracepoint for guest MSR access.
215
286
 */
216
287
TRACE_EVENT(kvm_msr,
217
 
        TP_PROTO(unsigned int rw, unsigned int ecx, unsigned long data),
218
 
        TP_ARGS(rw, ecx, data),
 
288
        TP_PROTO(unsigned write, u32 ecx, u64 data, bool exception),
 
289
        TP_ARGS(write, ecx, data, exception),
219
290
 
220
291
        TP_STRUCT__entry(
221
 
                __field(        unsigned int,   rw              )
222
 
                __field(        unsigned int,   ecx             )
223
 
                __field(        unsigned long,  data            )
 
292
                __field(        unsigned,       write           )
 
293
                __field(        u32,            ecx             )
 
294
                __field(        u64,            data            )
 
295
                __field(        u8,             exception       )
224
296
        ),
225
297
 
226
298
        TP_fast_assign(
227
 
                __entry->rw             = rw;
 
299
                __entry->write          = write;
228
300
                __entry->ecx            = ecx;
229
301
                __entry->data           = data;
 
302
                __entry->exception      = exception;
230
303
        ),
231
304
 
232
 
        TP_printk("msr_%s %x = 0x%lx",
233
 
                  __entry->rw ? "write" : "read",
234
 
                  __entry->ecx, __entry->data)
 
305
        TP_printk("msr_%s %x = 0x%llx%s",
 
306
                  __entry->write ? "write" : "read",
 
307
                  __entry->ecx, __entry->data,
 
308
                  __entry->exception ? " (#GP)" : "")
235
309
);
236
310
 
237
 
#define trace_kvm_msr_read(ecx, data)           trace_kvm_msr(0, ecx, data)
238
 
#define trace_kvm_msr_write(ecx, data)          trace_kvm_msr(1, ecx, data)
 
311
#define trace_kvm_msr_read(ecx, data)      trace_kvm_msr(0, ecx, data, false)
 
312
#define trace_kvm_msr_write(ecx, data)     trace_kvm_msr(1, ecx, data, false)
 
313
#define trace_kvm_msr_read_ex(ecx)         trace_kvm_msr(0, ecx, 0, true)
 
314
#define trace_kvm_msr_write_ex(ecx, data)  trace_kvm_msr(1, ecx, data, true)
239
315
 
240
316
/*
241
317
 * Tracepoint for guest CR access.
349
425
                  __entry->coalesced ? " (coalesced)" : "")
350
426
);
351
427
 
 
428
/*
 
429
 * Tracepoint for nested VMRUN
 
430
 */
 
431
TRACE_EVENT(kvm_nested_vmrun,
 
432
            TP_PROTO(__u64 rip, __u64 vmcb, __u64 nested_rip, __u32 int_ctl,
 
433
                     __u32 event_inj, bool npt),
 
434
            TP_ARGS(rip, vmcb, nested_rip, int_ctl, event_inj, npt),
 
435
 
 
436
        TP_STRUCT__entry(
 
437
                __field(        __u64,          rip             )
 
438
                __field(        __u64,          vmcb            )
 
439
                __field(        __u64,          nested_rip      )
 
440
                __field(        __u32,          int_ctl         )
 
441
                __field(        __u32,          event_inj       )
 
442
                __field(        bool,           npt             )
 
443
        ),
 
444
 
 
445
        TP_fast_assign(
 
446
                __entry->rip            = rip;
 
447
                __entry->vmcb           = vmcb;
 
448
                __entry->nested_rip     = nested_rip;
 
449
                __entry->int_ctl        = int_ctl;
 
450
                __entry->event_inj      = event_inj;
 
451
                __entry->npt            = npt;
 
452
        ),
 
453
 
 
454
        TP_printk("rip: 0x%016llx vmcb: 0x%016llx nrip: 0x%016llx int_ctl: 0x%08x "
 
455
                  "event_inj: 0x%08x npt: %s",
 
456
                __entry->rip, __entry->vmcb, __entry->nested_rip,
 
457
                __entry->int_ctl, __entry->event_inj,
 
458
                __entry->npt ? "on" : "off")
 
459
);
 
460
 
 
461
TRACE_EVENT(kvm_nested_intercepts,
 
462
            TP_PROTO(__u16 cr_read, __u16 cr_write, __u32 exceptions, __u64 intercept),
 
463
            TP_ARGS(cr_read, cr_write, exceptions, intercept),
 
464
 
 
465
        TP_STRUCT__entry(
 
466
                __field(        __u16,          cr_read         )
 
467
                __field(        __u16,          cr_write        )
 
468
                __field(        __u32,          exceptions      )
 
469
                __field(        __u64,          intercept       )
 
470
        ),
 
471
 
 
472
        TP_fast_assign(
 
473
                __entry->cr_read        = cr_read;
 
474
                __entry->cr_write       = cr_write;
 
475
                __entry->exceptions     = exceptions;
 
476
                __entry->intercept      = intercept;
 
477
        ),
 
478
 
 
479
        TP_printk("cr_read: %04x cr_write: %04x excp: %08x intercept: %016llx",
 
480
                __entry->cr_read, __entry->cr_write, __entry->exceptions,
 
481
                __entry->intercept)
 
482
);
 
483
/*
 
484
 * Tracepoint for #VMEXIT while nested
 
485
 */
 
486
TRACE_EVENT(kvm_nested_vmexit,
 
487
            TP_PROTO(__u64 rip, __u32 exit_code,
 
488
                     __u64 exit_info1, __u64 exit_info2,
 
489
                     __u32 exit_int_info, __u32 exit_int_info_err),
 
490
            TP_ARGS(rip, exit_code, exit_info1, exit_info2,
 
491
                    exit_int_info, exit_int_info_err),
 
492
 
 
493
        TP_STRUCT__entry(
 
494
                __field(        __u64,          rip                     )
 
495
                __field(        __u32,          exit_code               )
 
496
                __field(        __u64,          exit_info1              )
 
497
                __field(        __u64,          exit_info2              )
 
498
                __field(        __u32,          exit_int_info           )
 
499
                __field(        __u32,          exit_int_info_err       )
 
500
        ),
 
501
 
 
502
        TP_fast_assign(
 
503
                __entry->rip                    = rip;
 
504
                __entry->exit_code              = exit_code;
 
505
                __entry->exit_info1             = exit_info1;
 
506
                __entry->exit_info2             = exit_info2;
 
507
                __entry->exit_int_info          = exit_int_info;
 
508
                __entry->exit_int_info_err      = exit_int_info_err;
 
509
        ),
 
510
        TP_printk("rip: 0x%016llx reason: %s ext_inf1: 0x%016llx "
 
511
                  "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
 
512
                  __entry->rip,
 
513
                  ftrace_print_symbols_seq(p, __entry->exit_code,
 
514
                                           kvm_x86_ops->exit_reasons_str),
 
515
                  __entry->exit_info1, __entry->exit_info2,
 
516
                  __entry->exit_int_info, __entry->exit_int_info_err)
 
517
);
 
518
 
 
519
/*
 
520
 * Tracepoint for #VMEXIT reinjected to the guest
 
521
 */
 
522
TRACE_EVENT(kvm_nested_vmexit_inject,
 
523
            TP_PROTO(__u32 exit_code,
 
524
                     __u64 exit_info1, __u64 exit_info2,
 
525
                     __u32 exit_int_info, __u32 exit_int_info_err),
 
526
            TP_ARGS(exit_code, exit_info1, exit_info2,
 
527
                    exit_int_info, exit_int_info_err),
 
528
 
 
529
        TP_STRUCT__entry(
 
530
                __field(        __u32,          exit_code               )
 
531
                __field(        __u64,          exit_info1              )
 
532
                __field(        __u64,          exit_info2              )
 
533
                __field(        __u32,          exit_int_info           )
 
534
                __field(        __u32,          exit_int_info_err       )
 
535
        ),
 
536
 
 
537
        TP_fast_assign(
 
538
                __entry->exit_code              = exit_code;
 
539
                __entry->exit_info1             = exit_info1;
 
540
                __entry->exit_info2             = exit_info2;
 
541
                __entry->exit_int_info          = exit_int_info;
 
542
                __entry->exit_int_info_err      = exit_int_info_err;
 
543
        ),
 
544
 
 
545
        TP_printk("reason: %s ext_inf1: 0x%016llx "
 
546
                  "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
 
547
                  ftrace_print_symbols_seq(p, __entry->exit_code,
 
548
                                           kvm_x86_ops->exit_reasons_str),
 
549
                __entry->exit_info1, __entry->exit_info2,
 
550
                __entry->exit_int_info, __entry->exit_int_info_err)
 
551
);
 
552
 
 
553
/*
 
554
 * Tracepoint for nested #vmexit because of interrupt pending
 
555
 */
 
556
TRACE_EVENT(kvm_nested_intr_vmexit,
 
557
            TP_PROTO(__u64 rip),
 
558
            TP_ARGS(rip),
 
559
 
 
560
        TP_STRUCT__entry(
 
561
                __field(        __u64,  rip     )
 
562
        ),
 
563
 
 
564
        TP_fast_assign(
 
565
                __entry->rip    =       rip
 
566
        ),
 
567
 
 
568
        TP_printk("rip: 0x%016llx", __entry->rip)
 
569
);
 
570
 
 
571
/*
 
572
 * Tracepoint for nested #vmexit because of interrupt pending
 
573
 */
 
574
TRACE_EVENT(kvm_invlpga,
 
575
            TP_PROTO(__u64 rip, int asid, u64 address),
 
576
            TP_ARGS(rip, asid, address),
 
577
 
 
578
        TP_STRUCT__entry(
 
579
                __field(        __u64,  rip     )
 
580
                __field(        int,    asid    )
 
581
                __field(        __u64,  address )
 
582
        ),
 
583
 
 
584
        TP_fast_assign(
 
585
                __entry->rip            =       rip;
 
586
                __entry->asid           =       asid;
 
587
                __entry->address        =       address;
 
588
        ),
 
589
 
 
590
        TP_printk("rip: 0x%016llx asid: %d address: 0x%016llx",
 
591
                  __entry->rip, __entry->asid, __entry->address)
 
592
);
 
593
 
 
594
/*
 
595
 * Tracepoint for nested #vmexit because of interrupt pending
 
596
 */
 
597
TRACE_EVENT(kvm_skinit,
 
598
            TP_PROTO(__u64 rip, __u32 slb),
 
599
            TP_ARGS(rip, slb),
 
600
 
 
601
        TP_STRUCT__entry(
 
602
                __field(        __u64,  rip     )
 
603
                __field(        __u32,  slb     )
 
604
        ),
 
605
 
 
606
        TP_fast_assign(
 
607
                __entry->rip            =       rip;
 
608
                __entry->slb            =       slb;
 
609
        ),
 
610
 
 
611
        TP_printk("rip: 0x%016llx slb: 0x%08x",
 
612
                  __entry->rip, __entry->slb)
 
613
);
 
614
 
 
615
#define __print_insn(insn, ilen) ({                              \
 
616
        int i;                                                   \
 
617
        const char *ret = p->buffer + p->len;                    \
 
618
                                                                 \
 
619
        for (i = 0; i < ilen; ++i)                               \
 
620
                trace_seq_printf(p, " %02x", insn[i]);           \
 
621
        trace_seq_printf(p, "%c", 0);                            \
 
622
        ret;                                                     \
 
623
        })
 
624
 
 
625
#define KVM_EMUL_INSN_F_CR0_PE (1 << 0)
 
626
#define KVM_EMUL_INSN_F_EFL_VM (1 << 1)
 
627
#define KVM_EMUL_INSN_F_CS_D   (1 << 2)
 
628
#define KVM_EMUL_INSN_F_CS_L   (1 << 3)
 
629
 
 
630
#define kvm_trace_symbol_emul_flags                       \
 
631
        { 0,                        "real" },             \
 
632
        { KVM_EMUL_INSN_F_CR0_PE                          \
 
633
          | KVM_EMUL_INSN_F_EFL_VM, "vm16" },             \
 
634
        { KVM_EMUL_INSN_F_CR0_PE,   "prot16" },           \
 
635
        { KVM_EMUL_INSN_F_CR0_PE                          \
 
636
          | KVM_EMUL_INSN_F_CS_D,   "prot32" },           \
 
637
        { KVM_EMUL_INSN_F_CR0_PE                          \
 
638
          | KVM_EMUL_INSN_F_CS_L,   "prot64" }
 
639
 
 
640
#define kei_decode_mode(mode) ({                        \
 
641
        u8 flags = 0xff;                                \
 
642
        switch (mode) {                                 \
 
643
        case X86EMUL_MODE_REAL:                         \
 
644
                flags = 0;                              \
 
645
                break;                                  \
 
646
        case X86EMUL_MODE_VM86:                         \
 
647
                flags = KVM_EMUL_INSN_F_EFL_VM;         \
 
648
                break;                                  \
 
649
        case X86EMUL_MODE_PROT16:                       \
 
650
                flags = KVM_EMUL_INSN_F_CR0_PE;         \
 
651
                break;                                  \
 
652
        case X86EMUL_MODE_PROT32:                       \
 
653
                flags = KVM_EMUL_INSN_F_CR0_PE          \
 
654
                        | KVM_EMUL_INSN_F_CS_D;         \
 
655
                break;                                  \
 
656
        case X86EMUL_MODE_PROT64:                       \
 
657
                flags = KVM_EMUL_INSN_F_CR0_PE          \
 
658
                        | KVM_EMUL_INSN_F_CS_L;         \
 
659
                break;                                  \
 
660
        }                                               \
 
661
        flags;                                          \
 
662
        })
 
663
 
 
664
TRACE_EVENT(kvm_emulate_insn,
 
665
        TP_PROTO(struct kvm_vcpu *vcpu, __u8 failed),
 
666
        TP_ARGS(vcpu, failed),
 
667
 
 
668
        TP_STRUCT__entry(
 
669
                __field(    __u64, rip                       )
 
670
                __field(    __u32, csbase                    )
 
671
                __field(    __u8,  len                       )
 
672
                __array(    __u8,  insn,    15               )
 
673
                __field(    __u8,  flags                     )
 
674
                __field(    __u8,  failed                    )
 
675
                ),
 
676
 
 
677
        TP_fast_assign(
 
678
                __entry->rip = vcpu->arch.emulate_ctxt.decode.fetch.start;
 
679
                __entry->csbase = kvm_x86_ops->get_segment_base(vcpu, VCPU_SREG_CS);
 
680
                __entry->len = vcpu->arch.emulate_ctxt.decode.eip
 
681
                               - vcpu->arch.emulate_ctxt.decode.fetch.start;
 
682
                memcpy(__entry->insn,
 
683
                       vcpu->arch.emulate_ctxt.decode.fetch.data,
 
684
                       15);
 
685
                __entry->flags = kei_decode_mode(vcpu->arch.emulate_ctxt.mode);
 
686
                __entry->failed = failed;
 
687
                ),
 
688
 
 
689
        TP_printk("%x:%llx:%s (%s)%s",
 
690
                  __entry->csbase, __entry->rip,
 
691
                  __print_insn(__entry->insn, __entry->len),
 
692
                  __print_symbolic(__entry->flags,
 
693
                                   kvm_trace_symbol_emul_flags),
 
694
                  __entry->failed ? " failed" : ""
 
695
                )
 
696
        );
 
697
 
 
698
#define trace_kvm_emulate_insn_start(vcpu) trace_kvm_emulate_insn(vcpu, 0)
 
699
#define trace_kvm_emulate_insn_failed(vcpu) trace_kvm_emulate_insn(vcpu, 1)
 
700
 
352
701
#endif /* _TRACE_KVM_H */
353
702
 
 
703
#undef TRACE_INCLUDE_PATH
 
704
#define TRACE_INCLUDE_PATH arch/x86/kvm
 
705
#undef TRACE_INCLUDE_FILE
 
706
#define TRACE_INCLUDE_FILE trace
 
707
 
354
708
/* This part must be outside protection */
355
709
#include <trace/define_trace.h>