tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
KVM: PPC: Use symbols for exit trace
Exit traces are a lot easier to read when you don't have to remember
cryptic numbers for guest exit reasons. Symbolify them in our trace
output.
Signed-off-by: Alexander Graf <agraf@suse.de>
+56
-2
+56
-2
arch/powerpc/kvm/trace.h
+56
-2
arch/powerpc/kvm/trace.h
···
31
31
__entry->inst, __entry->pc, __entry->emulate)
32
32
);
33
33
34
+
#ifdef CONFIG_PPC_BOOK3S
35
+
#define kvm_trace_symbol_exit \
36
+
{0x100, "SYSTEM_RESET"}, \
37
+
{0x200, "MACHINE_CHECK"}, \
38
+
{0x300, "DATA_STORAGE"}, \
39
+
{0x380, "DATA_SEGMENT"}, \
40
+
{0x400, "INST_STORAGE"}, \
41
+
{0x480, "INST_SEGMENT"}, \
42
+
{0x500, "EXTERNAL"}, \
43
+
{0x501, "EXTERNAL_LEVEL"}, \
44
+
{0x502, "EXTERNAL_HV"}, \
45
+
{0x600, "ALIGNMENT"}, \
46
+
{0x700, "PROGRAM"}, \
47
+
{0x800, "FP_UNAVAIL"}, \
48
+
{0x900, "DECREMENTER"}, \
49
+
{0x980, "HV_DECREMENTER"}, \
50
+
{0xc00, "SYSCALL"}, \
51
+
{0xd00, "TRACE"}, \
52
+
{0xe00, "H_DATA_STORAGE"}, \
53
+
{0xe20, "H_INST_STORAGE"}, \
54
+
{0xe40, "H_EMUL_ASSIST"}, \
55
+
{0xf00, "PERFMON"}, \
56
+
{0xf20, "ALTIVEC"}, \
57
+
{0xf40, "VSX"}
58
+
#else
59
+
#define kvm_trace_symbol_exit \
60
+
{0, "CRITICAL"}, \
61
+
{1, "MACHINE_CHECK"}, \
62
+
{2, "DATA_STORAGE"}, \
63
+
{3, "INST_STORAGE"}, \
64
+
{4, "EXTERNAL"}, \
65
+
{5, "ALIGNMENT"}, \
66
+
{6, "PROGRAM"}, \
67
+
{7, "FP_UNAVAIL"}, \
68
+
{8, "SYSCALL"}, \
69
+
{9, "AP_UNAVAIL"}, \
70
+
{10, "DECREMENTER"}, \
71
+
{11, "FIT"}, \
72
+
{12, "WATCHDOG"}, \
73
+
{13, "DTLB_MISS"}, \
74
+
{14, "ITLB_MISS"}, \
75
+
{15, "DEBUG"}, \
76
+
{32, "SPE_UNAVAIL"}, \
77
+
{33, "SPE_FP_DATA"}, \
78
+
{34, "SPE_FP_ROUND"}, \
79
+
{35, "PERFORMANCE_MONITOR"}, \
80
+
{36, "DOORBELL"}, \
81
+
{37, "DOORBELL_CRITICAL"}, \
82
+
{38, "GUEST_DBELL"}, \
83
+
{39, "GUEST_DBELL_CRIT"}, \
84
+
{40, "HV_SYSCALL"}, \
85
+
{41, "HV_PRIV"}
86
+
#endif
87
+
34
88
TRACE_EVENT(kvm_exit,
35
89
TP_PROTO(unsigned int exit_nr, struct kvm_vcpu *vcpu),
36
90
TP_ARGS(exit_nr, vcpu),
···
116
62
__entry->last_inst = vcpu->arch.last_inst;
117
63
),
118
64
119
-
TP_printk("exit=0x%x"
65
+
TP_printk("exit=%s"
120
66
" | pc=0x%lx"
121
67
" | msr=0x%lx"
122
68
" | dar=0x%lx"
···
125
71
#endif
126
72
" | last_inst=0x%lx"
127
73
,
128
-
__entry->exit_nr,
74
+
__print_symbolic(__entry->exit_nr, kvm_trace_symbol_exit),
129
75
__entry->pc,
130
76
__entry->msr,
131
77
__entry->dar,