1
2 #ifndef __PERF_KVM_STAT_H
3 #define __PERF_KVM_STAT_H
4
5 #ifdef HAVE_KVM_STAT_SUPPORT
6
7 #include "tool.h"
8 #include "stat.h"
9 #include "record.h"
10
11 struct evsel;
12 struct evlist;
13 struct perf_session;
14
15 struct event_key {
16 #define INVALID_KEY (~0ULL)
17 u64 key;
18 int info;
19 struct exit_reasons_table *exit_reasons;
20 };
21
22 struct kvm_event_stats {
23 u64 time;
24 struct stats stats;
25 };
26
27 struct kvm_event {
28 struct list_head hash_entry;
29 struct rb_node rb;
30
31 struct event_key key;
32
33 struct kvm_event_stats total;
34
35 #define DEFAULT_VCPU_NUM 8
36 int max_vcpu;
37 struct kvm_event_stats *vcpu;
38 };
39
40 typedef int (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int);
41
42 struct kvm_event_key {
43 const char *name;
44 key_cmp_fun key;
45 };
46
47 struct perf_kvm_stat;
48
49 struct child_event_ops {
50 void (*get_key)(struct evsel *evsel,
51 struct perf_sample *sample,
52 struct event_key *key);
53 const char *name;
54 };
55
56 struct kvm_events_ops {
57 bool (*is_begin_event)(struct evsel *evsel,
58 struct perf_sample *sample,
59 struct event_key *key);
60 bool (*is_end_event)(struct evsel *evsel,
61 struct perf_sample *sample, struct event_key *key);
62 struct child_event_ops *child_ops;
63 void (*decode_key)(struct perf_kvm_stat *kvm, struct event_key *key,
64 char *decode);
65 const char *name;
66 };
67
68 struct exit_reasons_table {
69 unsigned long exit_code;
70 const char *reason;
71 };
72
73 #define EVENTS_BITS 12
74 #define EVENTS_CACHE_SIZE (1UL << EVENTS_BITS)
75
76 struct perf_kvm_stat {
77 struct perf_tool tool;
78 struct record_opts opts;
79 struct evlist *evlist;
80 struct perf_session *session;
81
82 const char *file_name;
83 const char *report_event;
84 const char *sort_key;
85 int trace_vcpu;
86
87 struct exit_reasons_table *exit_reasons;
88 const char *exit_reasons_isa;
89
90 struct kvm_events_ops *events_ops;
91 key_cmp_fun compare;
92 struct list_head kvm_events_cache[EVENTS_CACHE_SIZE];
93
94 u64 total_time;
95 u64 total_count;
96 u64 lost_events;
97 u64 duration;
98
99 struct intlist *pid_list;
100
101 struct rb_root result;
102
103 int timerfd;
104 unsigned int display_time;
105 bool live;
106 bool force;
107 };
108
109 struct kvm_reg_events_ops {
110 const char *name;
111 struct kvm_events_ops *ops;
112 };
113
114 void exit_event_get_key(struct evsel *evsel,
115 struct perf_sample *sample,
116 struct event_key *key);
117 bool exit_event_begin(struct evsel *evsel,
118 struct perf_sample *sample,
119 struct event_key *key);
120 bool exit_event_end(struct evsel *evsel,
121 struct perf_sample *sample,
122 struct event_key *key);
123 void exit_event_decode_key(struct perf_kvm_stat *kvm,
124 struct event_key *key,
125 char *decode);
126
127 bool kvm_exit_event(struct evsel *evsel);
128 bool kvm_entry_event(struct evsel *evsel);
129 int setup_kvm_events_tp(struct perf_kvm_stat *kvm);
130
131 #define define_exit_reasons_table(name, symbols) \
132 static struct exit_reasons_table name[] = { \
133 symbols, { -1, NULL } \
134 }
135
136
137
138
139 int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);
140
141 extern const char *kvm_events_tp[];
142 extern struct kvm_reg_events_ops kvm_reg_events_ops[];
143 extern const char * const kvm_skip_events[];
144 extern const char *vcpu_id_str;
145 extern const int decode_str_len;
146 extern const char *kvm_exit_reason;
147 extern const char *kvm_entry_trace;
148 extern const char *kvm_exit_trace;
149 #endif
150
151 extern int kvm_add_default_arch_event(int *argc, const char **argv);
152 #endif