v4.19.13 snapshot.
diff --git a/tools/perf/util/kvm-stat.h b/tools/perf/util/kvm-stat.h
new file mode 100644
index 0000000..7b1f065
--- /dev/null
+++ b/tools/perf/util/kvm-stat.h
@@ -0,0 +1,147 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#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 */