linux/tools/perf/util/kvm-stat.h
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   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};
 103
 104struct kvm_reg_events_ops {
 105        const char *name;
 106        struct kvm_events_ops *ops;
 107};
 108
 109void exit_event_get_key(struct perf_evsel *evsel,
 110                        struct perf_sample *sample,
 111                        struct event_key *key);
 112bool exit_event_begin(struct perf_evsel *evsel,
 113                      struct perf_sample *sample,
 114                      struct event_key *key);
 115bool exit_event_end(struct perf_evsel *evsel,
 116                    struct perf_sample *sample,
 117                    struct event_key *key);
 118void exit_event_decode_key(struct perf_kvm_stat *kvm,
 119                           struct event_key *key,
 120                           char *decode);
 121
 122bool kvm_exit_event(struct perf_evsel *evsel);
 123bool kvm_entry_event(struct perf_evsel *evsel);
 124
 125#define define_exit_reasons_table(name, symbols)        \
 126        static struct exit_reasons_table name[] = {     \
 127                symbols, { -1, NULL }                   \
 128        }
 129
 130/*
 131 * arch specific callbacks and data structures
 132 */
 133int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);
 134
 135extern const char * const kvm_events_tp[];
 136extern struct kvm_reg_events_ops kvm_reg_events_ops[];
 137extern const char * const kvm_skip_events[];
 138
 139#endif /* __PERF_KVM_STAT_H */
 140