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