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
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVM_H
#include <linux/tracepoint.h>
#include <asm/kvm_csr.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm
/*
* Tracepoints for VM enters
*/
DECLARE_EVENT_CLASS(kvm_transition,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu),
TP_STRUCT__entry(
__field(unsigned int, vcpu_id)
__field(unsigned long, pc)
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
__entry->pc = vcpu->arch.pc;
),
TP_printk("vcpu %u PC: 0x%08lx", __entry->vcpu_id, __entry->pc)
);
DEFINE_EVENT(kvm_transition, kvm_enter,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu));
DEFINE_EVENT(kvm_transition, kvm_reenter,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu));
DEFINE_EVENT(kvm_transition, kvm_out,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu));
/* Further exit reasons */
#define KVM_TRACE_EXIT_IDLE 64
#define KVM_TRACE_EXIT_CACHE 65
/* Tracepoints for VM exits */
#define kvm_trace_symbol_exit_types \
{ KVM_TRACE_EXIT_IDLE, "IDLE" }, \
{ KVM_TRACE_EXIT_CACHE, "CACHE" }
DECLARE_EVENT_CLASS(kvm_exit,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
TP_ARGS(vcpu, reason),
TP_STRUCT__entry(
__field(unsigned int, vcpu_id)
__field(unsigned long, pc)
__field(unsigned int, reason)
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
__entry->pc = vcpu->arch.pc;
__entry->reason = reason;
),
TP_printk("vcpu %u [%s] PC: 0x%08lx",
__entry->vcpu_id,
__print_symbolic(__entry->reason,
kvm_trace_symbol_exit_types),
__entry->pc)
);
DEFINE_EVENT(kvm_exit, kvm_exit_idle,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
TP_ARGS(vcpu, reason));
DEFINE_EVENT(kvm_exit, kvm_exit_cache,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
TP_ARGS(vcpu, reason));
DEFINE_EVENT(kvm_exit, kvm_exit,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
TP_ARGS(vcpu, reason));
TRACE_EVENT(kvm_exit_gspr,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int inst_word),
TP_ARGS(vcpu, inst_word),
TP_STRUCT__entry(
__field(unsigned int, vcpu_id)
__field(unsigned int, inst_word)
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
__entry->inst_word = inst_word;
),
TP_printk("vcpu %u Inst word: 0x%08x", __entry->vcpu_id,
__entry->inst_word)
);
#define KVM_TRACE_AUX_SAVE 0
#define KVM_TRACE_AUX_RESTORE 1
#define KVM_TRACE_AUX_ENABLE 2
#define KVM_TRACE_AUX_DISABLE 3
#define KVM_TRACE_AUX_DISCARD 4
#define KVM_TRACE_AUX_FPU 1
#define KVM_TRACE_AUX_LSX 2
#define KVM_TRACE_AUX_LASX 3
#define kvm_trace_symbol_aux_op \
{ KVM_TRACE_AUX_SAVE, "save" }, \
{ KVM_TRACE_AUX_RESTORE, "restore" }, \
{ KVM_TRACE_AUX_ENABLE, "enable" }, \
{ KVM_TRACE_AUX_DISABLE, "disable" }, \
{ KVM_TRACE_AUX_DISCARD, "discard" }
#define kvm_trace_symbol_aux_state \
{ KVM_TRACE_AUX_FPU, "FPU" }, \
{ KVM_TRACE_AUX_LSX, "LSX" }, \
{ KVM_TRACE_AUX_LASX, "LASX" }
TRACE_EVENT(kvm_aux,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op,
unsigned int state),
TP_ARGS(vcpu, op, state),
TP_STRUCT__entry(
__field(unsigned long, pc)
__field(u8, op)
__field(u8, state)
),
TP_fast_assign(
__entry->pc = vcpu->arch.pc;
__entry->op = op;
__entry->state = state;
),
TP_printk("%s %s PC: 0x%08lx",
__print_symbolic(__entry->op,
kvm_trace_symbol_aux_op),
__print_symbolic(__entry->state,
kvm_trace_symbol_aux_state),
__entry->pc)
);
TRACE_EVENT(kvm_vpid_change,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned long vpid),
TP_ARGS(vcpu, vpid),
TP_STRUCT__entry(
__field(unsigned long, vpid)
),
TP_fast_assign(
__entry->vpid = vpid;
),
TP_printk("VPID: 0x%08lx", __entry->vpid)
);
#endif /* _TRACE_KVM_H */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH ../../arch/loongarch/kvm
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace
/* This part must be outside protection */
#include <trace/define_trace.h>
|
