kvm-stat.h 3.3 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __PERF_KVM_STAT_H
  3. #define __PERF_KVM_STAT_H
  4. #ifdef HAVE_KVM_STAT_SUPPORT
  5. #include "tool.h"
  6. #include "stat.h"
  7. #include "record.h"
  8. struct evsel;
  9. struct evlist;
  10. struct perf_session;
  11. struct event_key {
  12. #define INVALID_KEY (~0ULL)
  13. u64 key;
  14. int info;
  15. struct exit_reasons_table *exit_reasons;
  16. };
  17. struct kvm_event_stats {
  18. u64 time;
  19. struct stats stats;
  20. };
  21. struct kvm_event {
  22. struct list_head hash_entry;
  23. struct rb_node rb;
  24. struct event_key key;
  25. struct kvm_event_stats total;
  26. #define DEFAULT_VCPU_NUM 8
  27. int max_vcpu;
  28. struct kvm_event_stats *vcpu;
  29. };
  30. typedef int (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int);
  31. struct kvm_event_key {
  32. const char *name;
  33. key_cmp_fun key;
  34. };
  35. struct perf_kvm_stat;
  36. struct child_event_ops {
  37. void (*get_key)(struct evsel *evsel,
  38. struct perf_sample *sample,
  39. struct event_key *key);
  40. const char *name;
  41. };
  42. struct kvm_events_ops {
  43. bool (*is_begin_event)(struct evsel *evsel,
  44. struct perf_sample *sample,
  45. struct event_key *key);
  46. bool (*is_end_event)(struct evsel *evsel,
  47. struct perf_sample *sample, struct event_key *key);
  48. struct child_event_ops *child_ops;
  49. void (*decode_key)(struct perf_kvm_stat *kvm, struct event_key *key,
  50. char *decode);
  51. const char *name;
  52. };
  53. struct exit_reasons_table {
  54. unsigned long exit_code;
  55. const char *reason;
  56. };
  57. #define EVENTS_BITS 12
  58. #define EVENTS_CACHE_SIZE (1UL << EVENTS_BITS)
  59. struct perf_kvm_stat {
  60. struct perf_tool tool;
  61. struct record_opts opts;
  62. struct evlist *evlist;
  63. struct perf_session *session;
  64. const char *file_name;
  65. const char *report_event;
  66. const char *sort_key;
  67. int trace_vcpu;
  68. struct exit_reasons_table *exit_reasons;
  69. const char *exit_reasons_isa;
  70. struct kvm_events_ops *events_ops;
  71. key_cmp_fun compare;
  72. struct list_head kvm_events_cache[EVENTS_CACHE_SIZE];
  73. u64 total_time;
  74. u64 total_count;
  75. u64 lost_events;
  76. u64 duration;
  77. struct intlist *pid_list;
  78. struct rb_root result;
  79. int timerfd;
  80. unsigned int display_time;
  81. bool live;
  82. bool force;
  83. };
  84. struct kvm_reg_events_ops {
  85. const char *name;
  86. struct kvm_events_ops *ops;
  87. };
  88. void exit_event_get_key(struct evsel *evsel,
  89. struct perf_sample *sample,
  90. struct event_key *key);
  91. bool exit_event_begin(struct evsel *evsel,
  92. struct perf_sample *sample,
  93. struct event_key *key);
  94. bool exit_event_end(struct evsel *evsel,
  95. struct perf_sample *sample,
  96. struct event_key *key);
  97. void exit_event_decode_key(struct perf_kvm_stat *kvm,
  98. struct event_key *key,
  99. char *decode);
  100. bool kvm_exit_event(struct evsel *evsel);
  101. bool kvm_entry_event(struct evsel *evsel);
  102. int setup_kvm_events_tp(struct perf_kvm_stat *kvm);
  103. #define define_exit_reasons_table(name, symbols) \
  104. static struct exit_reasons_table name[] = { \
  105. symbols, { -1, NULL } \
  106. }
  107. /*
  108. * arch specific callbacks and data structures
  109. */
  110. int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid);
  111. extern const char *kvm_events_tp[];
  112. extern struct kvm_reg_events_ops kvm_reg_events_ops[];
  113. extern const char * const kvm_skip_events[];
  114. extern const char *vcpu_id_str;
  115. extern const int decode_str_len;
  116. extern const char *kvm_exit_reason;
  117. extern const char *kvm_entry_trace;
  118. extern const char *kvm_exit_trace;
  119. #endif /* HAVE_KVM_STAT_SUPPORT */
  120. extern int kvm_add_default_arch_event(int *argc, const char **argv);
  121. #endif /* __PERF_KVM_STAT_H */