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1/* SPDX-License-Identifier: GPL-2.0 */
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
11struct evsel;
12struct evlist;
13struct perf_session;
14
15struct event_key {
16 #define INVALID_KEY (~0ULL)
17 u64 key;
18 int info;
19 struct exit_reasons_table *exit_reasons;
20};
21
22struct kvm_event_stats {
23 u64 time;
24 struct stats stats;
25};
26
27struct 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
40typedef int (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int);
41
42struct kvm_event_key {
43 const char *name;
44 key_cmp_fun key;
45};
46
47struct perf_kvm_stat;
48
49struct 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
56struct 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
68struct 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
76struct 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
109struct kvm_reg_events_ops {
110 const char *name;
111 struct kvm_events_ops *ops;
112};
113
114void exit_event_get_key(struct evsel *evsel,
115 struct perf_sample *sample,
116 struct event_key *key);
117bool exit_event_begin(struct evsel *evsel,
118 struct perf_sample *sample,
119 struct event_key *key);
120bool exit_event_end(struct evsel *evsel,
121 struct perf_sample *sample,
122 struct event_key *key);
123void exit_event_decode_key(struct perf_kvm_stat *kvm,
124 struct event_key *key,
125 char *decode);
126
127bool kvm_exit_event(struct evsel *evsel);
128bool kvm_entry_event(struct evsel *evsel);
129int 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 * arch specific callbacks and data structures
138 */
139int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);
140
141extern const char *kvm_events_tp[];
142extern struct kvm_reg_events_ops kvm_reg_events_ops[];
143extern const char * const kvm_skip_events[];
144extern const char *vcpu_id_str;
145extern const int decode_str_len;
146extern const char *kvm_exit_reason;
147extern const char *kvm_entry_trace;
148extern const char *kvm_exit_trace;
149#endif /* HAVE_KVM_STAT_SUPPORT */
150
151extern int kvm_add_default_arch_event(int *argc, const char **argv);
152#endif /* __PERF_KVM_STAT_H */
1/* SPDX-License-Identifier: GPL-2.0 */
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 "sort.h"
9#include "stat.h"
10#include "symbol.h"
11#include "record.h"
12
13#include <stdlib.h>
14#include <linux/zalloc.h>
15
16#define KVM_EVENT_NAME_LEN 40
17
18struct evsel;
19struct evlist;
20struct perf_session;
21
22struct event_key {
23 #define INVALID_KEY (~0ULL)
24 u64 key;
25 int info;
26 struct exit_reasons_table *exit_reasons;
27};
28
29struct kvm_info {
30 char name[KVM_EVENT_NAME_LEN];
31 refcount_t refcnt;
32};
33
34struct kvm_event_stats {
35 u64 time;
36 struct stats stats;
37};
38
39struct perf_kvm_stat;
40
41struct kvm_event {
42 struct list_head hash_entry;
43
44 struct perf_kvm_stat *perf_kvm;
45 struct event_key key;
46
47 struct kvm_event_stats total;
48
49 #define DEFAULT_VCPU_NUM 8
50 int max_vcpu;
51 struct kvm_event_stats *vcpu;
52
53 struct hist_entry he;
54};
55
56struct child_event_ops {
57 void (*get_key)(struct evsel *evsel,
58 struct perf_sample *sample,
59 struct event_key *key);
60 const char *name;
61};
62
63struct kvm_events_ops {
64 bool (*is_begin_event)(struct evsel *evsel,
65 struct perf_sample *sample,
66 struct event_key *key);
67 bool (*is_end_event)(struct evsel *evsel,
68 struct perf_sample *sample, struct event_key *key);
69 struct child_event_ops *child_ops;
70 void (*decode_key)(struct perf_kvm_stat *kvm, struct event_key *key,
71 char *decode);
72 const char *name;
73};
74
75struct exit_reasons_table {
76 unsigned long exit_code;
77 const char *reason;
78};
79
80struct perf_kvm_stat {
81 struct perf_tool tool;
82 struct record_opts opts;
83 struct evlist *evlist;
84 struct perf_session *session;
85
86 const char *file_name;
87 const char *report_event;
88 const char *sort_key;
89 int trace_vcpu;
90
91 /* Used when process events */
92 struct addr_location al;
93
94 struct exit_reasons_table *exit_reasons;
95 const char *exit_reasons_isa;
96
97 struct kvm_events_ops *events_ops;
98
99 u64 total_time;
100 u64 total_count;
101 u64 lost_events;
102 u64 duration;
103
104 struct intlist *pid_list;
105
106 int timerfd;
107 unsigned int display_time;
108 bool live;
109 bool force;
110 bool use_stdio;
111};
112
113struct kvm_reg_events_ops {
114 const char *name;
115 struct kvm_events_ops *ops;
116};
117
118void exit_event_get_key(struct evsel *evsel,
119 struct perf_sample *sample,
120 struct event_key *key);
121bool exit_event_begin(struct evsel *evsel,
122 struct perf_sample *sample,
123 struct event_key *key);
124bool exit_event_end(struct evsel *evsel,
125 struct perf_sample *sample,
126 struct event_key *key);
127void exit_event_decode_key(struct perf_kvm_stat *kvm,
128 struct event_key *key,
129 char *decode);
130
131bool kvm_exit_event(struct evsel *evsel);
132bool kvm_entry_event(struct evsel *evsel);
133int setup_kvm_events_tp(struct perf_kvm_stat *kvm);
134
135#define define_exit_reasons_table(name, symbols) \
136 static struct exit_reasons_table name[] = { \
137 symbols, { -1, NULL } \
138 }
139
140/*
141 * arch specific callbacks and data structures
142 */
143int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);
144
145extern const char *kvm_events_tp[];
146extern struct kvm_reg_events_ops kvm_reg_events_ops[];
147extern const char * const kvm_skip_events[];
148extern const char *vcpu_id_str;
149extern const char *kvm_exit_reason;
150extern const char *kvm_entry_trace;
151extern const char *kvm_exit_trace;
152
153static inline struct kvm_info *kvm_info__get(struct kvm_info *ki)
154{
155 if (ki)
156 refcount_inc(&ki->refcnt);
157 return ki;
158}
159
160static inline void kvm_info__put(struct kvm_info *ki)
161{
162 if (ki && refcount_dec_and_test(&ki->refcnt))
163 free(ki);
164}
165
166static inline void __kvm_info__zput(struct kvm_info **ki)
167{
168 kvm_info__put(*ki);
169 *ki = NULL;
170}
171
172#define kvm_info__zput(ki) __kvm_info__zput(&ki)
173
174static inline struct kvm_info *kvm_info__new(void)
175{
176 struct kvm_info *ki;
177
178 ki = zalloc(sizeof(*ki));
179 if (ki)
180 refcount_set(&ki->refcnt, 1);
181
182 return ki;
183}
184
185#else /* HAVE_KVM_STAT_SUPPORT */
186// We use this unconditionally in hists__findnew_entry() and hist_entry__delete()
187#define kvm_info__zput(ki) do { } while (0)
188#endif /* HAVE_KVM_STAT_SUPPORT */
189
190extern int kvm_add_default_arch_event(int *argc, const char **argv);
191#endif /* __PERF_KVM_STAT_H */