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);
125int setup_kvm_events_tp(struct perf_kvm_stat *kvm);
126
127#define define_exit_reasons_table(name, symbols)	\
128	static struct exit_reasons_table name[] = {	\
129		symbols, { -1, NULL }			\
130	}
131
132/*
133 * arch specific callbacks and data structures
134 */
135int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);
136
137extern const char *kvm_events_tp[];
138extern struct kvm_reg_events_ops kvm_reg_events_ops[];
139extern const char * const kvm_skip_events[];
140extern const char *vcpu_id_str;
141extern const int decode_str_len;
142extern const char *kvm_exit_reason;
143extern const char *kvm_entry_trace;
144extern const char *kvm_exit_trace;
145
146#endif /* __PERF_KVM_STAT_H */