tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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};
103
104struct kvm_reg_events_ops {
105 const char *name;
106 struct kvm_events_ops *ops;
107};
108
109void exit_event_get_key(struct perf_evsel *evsel,
110 struct perf_sample *sample,
111 struct event_key *key);
112bool exit_event_begin(struct perf_evsel *evsel,
113 struct perf_sample *sample,
114 struct event_key *key);
115bool exit_event_end(struct perf_evsel *evsel,
116 struct perf_sample *sample,
117 struct event_key *key);
118void exit_event_decode_key(struct perf_kvm_stat *kvm,
119 struct event_key *key,
120 char *decode);
121
122bool kvm_exit_event(struct perf_evsel *evsel);
123bool kvm_entry_event(struct perf_evsel *evsel);
124
125#define define_exit_reasons_table(name, symbols) \
126 static struct exit_reasons_table name[] = { \
127 symbols, { -1, NULL } \
128 }
129
130/*
131 * arch specific callbacks and data structures
132 */
133int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);
134
135extern const char * const kvm_events_tp[];
136extern struct kvm_reg_events_ops kvm_reg_events_ops[];
137extern const char * const kvm_skip_events[];
138
139#endif /* __PERF_KVM_STAT_H */