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