1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_KVM_STAT_H
3 #define __PERF_KVM_STAT_H
5 #ifdef HAVE_KVM_STAT_SUPPORT
16 #define INVALID_KEY (~0ULL)
19 struct exit_reasons_table *exit_reasons;
22 struct kvm_event_stats {
28 struct list_head hash_entry;
33 struct kvm_event_stats total;
35 #define DEFAULT_VCPU_NUM 8
37 struct kvm_event_stats *vcpu;
40 typedef int (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int);
42 struct kvm_event_key {
49 struct child_event_ops {
50 void (*get_key)(struct evsel *evsel,
51 struct perf_sample *sample,
52 struct event_key *key);
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,
68 struct exit_reasons_table {
69 unsigned long exit_code;
73 #define EVENTS_BITS 12
74 #define EVENTS_CACHE_SIZE (1UL << EVENTS_BITS)
76 struct perf_kvm_stat {
77 struct perf_tool tool;
78 struct record_opts opts;
79 struct evlist *evlist;
80 struct perf_session *session;
82 const char *file_name;
83 const char *report_event;
87 struct exit_reasons_table *exit_reasons;
88 const char *exit_reasons_isa;
90 struct kvm_events_ops *events_ops;
92 struct list_head kvm_events_cache[EVENTS_CACHE_SIZE];
99 struct intlist *pid_list;
101 struct rb_root result;
104 unsigned int display_time;
109 struct kvm_reg_events_ops {
111 struct kvm_events_ops *ops;
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,
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);
131 #define define_exit_reasons_table(name, symbols) \
132 static struct exit_reasons_table name[] = { \
133 symbols, { -1, NULL } \
137 * arch specific callbacks and data structures
139 int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);
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 /* HAVE_KVM_STAT_SUPPORT */
151 extern int kvm_add_default_arch_event(int *argc, const char **argv);
152 #endif /* __PERF_KVM_STAT_H */