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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_KVM_STAT_H
#define __PERF_KVM_STAT_H
#ifdef HAVE_KVM_STAT_SUPPORT
#include "tool.h"
#include "sort.h"
#include "stat.h"
#include "symbol.h"
#include "record.h"
#include <stdlib.h>
#include <linux/zalloc.h>
#define KVM_EVENT_NAME_LEN 40
struct evsel;
struct evlist;
struct perf_session;
struct event_key {
#define INVALID_KEY (~0ULL)
u64 key;
int info;
struct exit_reasons_table *exit_reasons;
};
struct kvm_info {
char name[KVM_EVENT_NAME_LEN];
refcount_t refcnt;
};
struct kvm_event_stats {
u64 time;
struct stats stats;
};
struct perf_kvm_stat;
struct kvm_event {
struct list_head hash_entry;
struct perf_kvm_stat *perf_kvm;
struct event_key key;
struct kvm_event_stats total;
#define DEFAULT_VCPU_NUM 8
int max_vcpu;
struct kvm_event_stats *vcpu;
struct hist_entry he;
};
struct child_event_ops {
void (*get_key)(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key);
const char *name;
};
struct kvm_events_ops {
bool (*is_begin_event)(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key);
bool (*is_end_event)(struct 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;
};
struct perf_kvm_stat {
struct perf_tool tool;
struct record_opts opts;
struct evlist *evlist;
struct perf_session *session;
const char *file_name;
const char *report_event;
const char *sort_key;
int trace_vcpu;
/* Used when process events */
struct addr_location al;
struct exit_reasons_table *exit_reasons;
const char *exit_reasons_isa;
struct kvm_events_ops *events_ops;
u64 total_time;
u64 total_count;
u64 lost_events;
u64 duration;
struct intlist *pid_list;
int timerfd;
unsigned int display_time;
bool live;
bool force;
bool use_stdio;
};
struct kvm_reg_events_ops {
const char *name;
struct kvm_events_ops *ops;
};
void exit_event_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key);
bool exit_event_begin(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key);
bool exit_event_end(struct 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 evsel *evsel);
bool kvm_entry_event(struct 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 char *kvm_exit_reason;
extern const char *kvm_entry_trace;
extern const char *kvm_exit_trace;
static inline struct kvm_info *kvm_info__get(struct kvm_info *ki)
{
if (ki)
refcount_inc(&ki->refcnt);
return ki;
}
static inline void kvm_info__put(struct kvm_info *ki)
{
if (ki && refcount_dec_and_test(&ki->refcnt))
free(ki);
}
static inline void __kvm_info__zput(struct kvm_info **ki)
{
kvm_info__put(*ki);
*ki = NULL;
}
#define kvm_info__zput(ki) __kvm_info__zput(&ki)
static inline struct kvm_info *kvm_info__new(void)
{
struct kvm_info *ki;
ki = zalloc(sizeof(*ki));
if (ki)
refcount_set(&ki->refcnt, 1);
return ki;
}
#else /* HAVE_KVM_STAT_SUPPORT */
// We use this unconditionally in hists__findnew_entry() and hist_entry__delete()
#define kvm_info__zput(ki) do { } while (0)
#endif /* HAVE_KVM_STAT_SUPPORT */
extern int kvm_add_default_arch_event(int *argc, const char **argv);
#endif /* __PERF_KVM_STAT_H */
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