tools/perf/util/kvm-stat.h

   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
  11 struct event_key {
  12         #define INVALID_KEY     (~0ULL)
  13         u64 key;
  14         int info;
  15 };
  16
  17 struct kvm_event_stats {
  18         u64 time;
  19         struct stats stats;
  20 };
  21
  22 struct kvm_event {
  23         struct list_head hash_entry;
  24         struct rb_node rb;
  25
  26         struct event_key key;
  27
  28         struct kvm_event_stats total;
  29
  30         #define DEFAULT_VCPU_NUM 8
  31         int max_vcpu;
  32         struct kvm_event_stats *vcpu;
  33 };
  34
  35 typedef int (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int);
  36
  37 struct kvm_event_key {
  38         const char *name;
  39         key_cmp_fun key;
  40 };
  41
  42 struct perf_kvm_stat;
  43
  44 struct kvm_events_ops {
  45         bool (*is_begin_event)(struct perf_evsel *evsel,
  46                                struct perf_sample *sample,
  47                                struct event_key *key);
  48         bool (*is_end_event)(struct perf_evsel *evsel,
  49                              struct perf_sample *sample, struct event_key *key);
  50         void (*decode_key)(struct perf_kvm_stat *kvm, struct event_key *key,
  51                            char *decode);
  52         const char *name;
  53 };
  54
  55 struct exit_reasons_table {
  56         unsigned long exit_code;
  57         const char *reason;
  58 };
  59
  60 #define EVENTS_BITS             12
  61 #define EVENTS_CACHE_SIZE       (1UL << EVENTS_BITS)
  62
  63 struct perf_kvm_stat {
  64         struct perf_tool    tool;
  65         struct record_opts  opts;
  66         struct perf_evlist  *evlist;
  67         struct perf_session *session;
  68
  69         const char *file_name;
  70         const char *report_event;
  71         const char *sort_key;
  72         int trace_vcpu;
  73
  74         struct exit_reasons_table *exit_reasons;
  75         const char *exit_reasons_isa;
  76
  77         struct kvm_events_ops *events_ops;
  78         key_cmp_fun compare;
  79         struct list_head kvm_events_cache[EVENTS_CACHE_SIZE];
  80
  81         u64 total_time;
  82         u64 total_count;
  83         u64 lost_events;
  84         u64 duration;
  85
  86         const char *pid_str;
  87         struct intlist *pid_list;
  88
  89         struct rb_root result;
  90
  91         int timerfd;
  92         unsigned int display_time;
  93         bool live;
  94 };
  95
  96 struct kvm_reg_events_ops {
  97         const char *name;
  98         struct kvm_events_ops *ops;
  99 };
 100
 101 void exit_event_get_key(struct perf_evsel *evsel,
 102                         struct perf_sample *sample,
 103                         struct event_key *key);
 104 bool exit_event_begin(struct perf_evsel *evsel,
 105                       struct perf_sample *sample,
 106                       struct event_key *key);
 107 bool exit_event_end(struct perf_evsel *evsel,
 108                     struct perf_sample *sample,
 109                     struct event_key *key);
 110 void exit_event_decode_key(struct perf_kvm_stat *kvm,
 111                            struct event_key *key,
 112                            char *decode);
 113
 114 bool kvm_exit_event(struct perf_evsel *evsel);
 115 bool kvm_entry_event(struct perf_evsel *evsel);
 116
 117 #define define_exit_reasons_table(name, symbols)        \
 118         static struct exit_reasons_table name[] = {     \
 119                 symbols, { -1, NULL }                   \
 120         }
 121
 122 /*
 123  * arch specific callbacks and data structures
 124  */
 125 int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);
 126
 127 extern const char * const kvm_events_tp[];
 128 extern struct kvm_reg_events_ops kvm_reg_events_ops[];
 129
 130 #endif /* __PERF_KVM_STAT_H */