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         struct exit_reasons_table *exit_reasons;
  16 };
  17
  18 struct kvm_event_stats {
  19         u64 time;
  20         struct stats stats;
  21 };
  22
  23 struct 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
  36 typedef int (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int);
  37
  38 struct kvm_event_key {
  39         const char *name;
  40         key_cmp_fun key;
  41 };
  42
  43 struct perf_kvm_stat;
  44
  45 struct 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
  52 struct 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
  64 struct 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
  72 struct 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         bool force;
 103 };
 104
 105 struct kvm_reg_events_ops {
 106         const char *name;
 107         struct kvm_events_ops *ops;
 108 };
 109
 110 void exit_event_get_key(struct perf_evsel *evsel,
 111                         struct perf_sample *sample,
 112                         struct event_key *key);
 113 bool exit_event_begin(struct perf_evsel *evsel,
 114                       struct perf_sample *sample,
 115                       struct event_key *key);
 116 bool exit_event_end(struct perf_evsel *evsel,
 117                     struct perf_sample *sample,
 118                     struct event_key *key);
 119 void exit_event_decode_key(struct perf_kvm_stat *kvm,
 120                            struct event_key *key,
 121                            char *decode);
 122
 123 bool kvm_exit_event(struct perf_evsel *evsel);
 124 bool kvm_entry_event(struct perf_evsel *evsel);
 125 int setup_kvm_events_tp(struct perf_kvm_stat *kvm);
 126
 127 #define define_exit_reasons_table(name, symbols)        \
 128         static struct exit_reasons_table name[] = {     \
 129                 symbols, { -1, NULL }                   \
 130         }
 131
 132 /*
 133  * arch specific callbacks and data structures
 134  */
 135 int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);
 136
 137 extern const char *kvm_events_tp[];
 138 extern struct kvm_reg_events_ops kvm_reg_events_ops[];
 139 extern const char * const kvm_skip_events[];
 140 extern const char *vcpu_id_str;
 141 extern const int decode_str_len;
 142 extern const char *kvm_exit_reason;
 143 extern const char *kvm_entry_trace;
 144 extern const char *kvm_exit_trace;
 145
 146 #endif /* __PERF_KVM_STAT_H */