Release 4.10 tools/perf/util/kvm-stat.h

#ifndef __PERF_KVM_STAT_H

#define __PERF_KVM_STAT_H

#include "../perf.h"
#include "evsel.h"
#include "evlist.h"
#include "session.h"
#include "tool.h"
#include "stat.h"


struct event_key {
	
#define INVALID_KEY     (~0ULL)
	
u64 key;
	
int info;
	
struct exit_reasons_table *exit_reasons;
};


struct kvm_event_stats {
	
u64 time;
	
struct stats stats;
};


struct kvm_event {
	
struct list_head hash_entry;
	
struct rb_node rb;

	
struct event_key key;

	
struct kvm_event_stats total;

	
#define DEFAULT_VCPU_NUM 8
	
int max_vcpu;
	
struct kvm_event_stats *vcpu;
};


typedef int (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int);


struct kvm_event_key {
	
const char *name;
	
key_cmp_fun key;
};

struct perf_kvm_stat;


struct child_event_ops {
	
void (*get_key)(struct perf_evsel *evsel,
			struct perf_sample *sample,
			struct event_key *key);
	
const char *name;
};


struct kvm_events_ops {
	
bool (*is_begin_event)(struct perf_evsel *evsel,
			       struct perf_sample *sample,
			       struct event_key *key);
	
bool (*is_end_event)(struct perf_evsel *evsel,
			     struct perf_sample *sample, struct event_key *key);
	
struct child_event_ops *child_ops;
	
void (*decode_key)(struct perf_kvm_stat *kvm, struct event_key *key,
			   char *decode);
	
const char *name;
};


struct exit_reasons_table {
	
unsigned long exit_code;
	
const char *reason;
};


#define EVENTS_BITS		12

#define EVENTS_CACHE_SIZE	(1UL << EVENTS_BITS)


struct perf_kvm_stat {
	
struct perf_tool    tool;
	
struct record_opts  opts;
	
struct perf_evlist  *evlist;
	
struct perf_session *session;

	
const char *file_name;
	
const char *report_event;
	
const char *sort_key;
	
int trace_vcpu;

	
struct exit_reasons_table *exit_reasons;
	
const char *exit_reasons_isa;

	
struct kvm_events_ops *events_ops;
	
key_cmp_fun compare;
	
struct list_head kvm_events_cache[EVENTS_CACHE_SIZE];

	
u64 total_time;
	
u64 total_count;
	
u64 lost_events;
	
u64 duration;

	
struct intlist *pid_list;

	
struct rb_root result;

	
int timerfd;
	
unsigned int display_time;
	
bool live;
	
bool force;
};


struct kvm_reg_events_ops {
	
const char *name;
	
struct kvm_events_ops *ops;
};

void exit_event_get_key(struct perf_evsel *evsel,
			struct perf_sample *sample,
			struct event_key *key);
bool exit_event_begin(struct perf_evsel *evsel,
		      struct perf_sample *sample,
		      struct event_key *key);
bool exit_event_end(struct perf_evsel *evsel,
		    struct perf_sample *sample,
		    struct event_key *key);
void exit_event_decode_key(struct perf_kvm_stat *kvm,
			   struct event_key *key,
			   char *decode);

bool kvm_exit_event(struct perf_evsel *evsel);
bool kvm_entry_event(struct perf_evsel *evsel);
int setup_kvm_events_tp(struct perf_kvm_stat *kvm);


#define define_exit_reasons_table(name, symbols)	\
	static struct exit_reasons_table name[] = {     \
                symbols, { -1, NULL }                   \
        }

/*
 * arch specific callbacks and data structures
 */
int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);

extern const char *kvm_events_tp[];
extern struct kvm_reg_events_ops kvm_reg_events_ops[];
extern const char * const kvm_skip_events[];
extern const char *vcpu_id_str;
extern const int decode_str_len;
extern const char *kvm_exit_reason;
extern const char *kvm_entry_trace;
extern const char *kvm_exit_trace;

#endif /* __PERF_KVM_STAT_H */
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