machine.h 5.5 KB

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  1. #ifndef __PERF_MACHINE_H
  2. #define __PERF_MACHINE_H
  3. #include <sys/types.h>
  4. #include <linux/rbtree.h>
  5. #include "map.h"
  6. struct addr_location;
  7. struct branch_stack;
  8. struct perf_evsel;
  9. struct perf_sample;
  10. struct symbol;
  11. struct thread;
  12. union perf_event;
  13. /* Native host kernel uses -1 as pid index in machine */
  14. #define HOST_KERNEL_ID (-1)
  15. #define DEFAULT_GUEST_KERNEL_ID (0)
  16. struct machine {
  17. struct rb_node rb_node;
  18. pid_t pid;
  19. u16 id_hdr_size;
  20. char *root_dir;
  21. struct rb_root threads;
  22. struct list_head dead_threads;
  23. struct thread *last_match;
  24. struct list_head user_dsos;
  25. struct list_head kernel_dsos;
  26. struct map_groups kmaps;
  27. struct map *vmlinux_maps[MAP__NR_TYPES];
  28. symbol_filter_t symbol_filter;
  29. };
  30. static inline
  31. struct map *machine__kernel_map(struct machine *machine, enum map_type type)
  32. {
  33. return machine->vmlinux_maps[type];
  34. }
  35. struct thread *machine__find_thread(struct machine *machine, pid_t tid);
  36. int machine__process_comm_event(struct machine *machine, union perf_event *event);
  37. int machine__process_exit_event(struct machine *machine, union perf_event *event);
  38. int machine__process_fork_event(struct machine *machine, union perf_event *event);
  39. int machine__process_lost_event(struct machine *machine, union perf_event *event);
  40. int machine__process_mmap_event(struct machine *machine, union perf_event *event);
  41. int machine__process_event(struct machine *machine, union perf_event *event);
  42. typedef void (*machine__process_t)(struct machine *machine, void *data);
  43. struct machines {
  44. struct machine host;
  45. struct rb_root guests;
  46. symbol_filter_t symbol_filter;
  47. };
  48. void machines__init(struct machines *machines);
  49. void machines__exit(struct machines *machines);
  50. void machines__process_guests(struct machines *machines,
  51. machine__process_t process, void *data);
  52. struct machine *machines__add(struct machines *machines, pid_t pid,
  53. const char *root_dir);
  54. struct machine *machines__find_host(struct machines *machines);
  55. struct machine *machines__find(struct machines *machines, pid_t pid);
  56. struct machine *machines__findnew(struct machines *machines, pid_t pid);
  57. void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
  58. char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
  59. void machines__set_symbol_filter(struct machines *machines,
  60. symbol_filter_t symbol_filter);
  61. int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
  62. void machine__exit(struct machine *machine);
  63. void machine__delete_dead_threads(struct machine *machine);
  64. void machine__delete_threads(struct machine *machine);
  65. void machine__delete(struct machine *machine);
  66. struct branch_info *machine__resolve_bstack(struct machine *machine,
  67. struct thread *thread,
  68. struct branch_stack *bs);
  69. struct mem_info *machine__resolve_mem(struct machine *machine,
  70. struct thread *thread,
  71. struct perf_sample *sample, u8 cpumode);
  72. int machine__resolve_callchain(struct machine *machine,
  73. struct perf_evsel *evsel,
  74. struct thread *thread,
  75. struct perf_sample *sample,
  76. struct symbol **parent,
  77. struct addr_location *root_al);
  78. /*
  79. * Default guest kernel is defined by parameter --guestkallsyms
  80. * and --guestmodules
  81. */
  82. static inline bool machine__is_default_guest(struct machine *machine)
  83. {
  84. return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
  85. }
  86. static inline bool machine__is_host(struct machine *machine)
  87. {
  88. return machine ? machine->pid == HOST_KERNEL_ID : false;
  89. }
  90. struct thread *machine__findnew_thread(struct machine *machine, pid_t pid,
  91. pid_t tid);
  92. size_t machine__fprintf(struct machine *machine, FILE *fp);
  93. static inline
  94. struct symbol *machine__find_kernel_symbol(struct machine *machine,
  95. enum map_type type, u64 addr,
  96. struct map **mapp,
  97. symbol_filter_t filter)
  98. {
  99. return map_groups__find_symbol(&machine->kmaps, type, addr,
  100. mapp, filter);
  101. }
  102. static inline
  103. struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
  104. struct map **mapp,
  105. symbol_filter_t filter)
  106. {
  107. return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
  108. mapp, filter);
  109. }
  110. static inline
  111. struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
  112. const char *name,
  113. struct map **mapp,
  114. symbol_filter_t filter)
  115. {
  116. return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
  117. filter);
  118. }
  119. struct map *machine__new_module(struct machine *machine, u64 start,
  120. const char *filename);
  121. int machine__load_kallsyms(struct machine *machine, const char *filename,
  122. enum map_type type, symbol_filter_t filter);
  123. int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
  124. symbol_filter_t filter);
  125. size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
  126. bool (skip)(struct dso *dso, int parm), int parm);
  127. size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
  128. size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
  129. bool (skip)(struct dso *dso, int parm), int parm);
  130. void machine__destroy_kernel_maps(struct machine *machine);
  131. int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
  132. int machine__create_kernel_maps(struct machine *machine);
  133. int machines__create_kernel_maps(struct machines *machines, pid_t pid);
  134. int machines__create_guest_kernel_maps(struct machines *machines);
  135. void machines__destroy_kernel_maps(struct machines *machines);
  136. size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
  137. #endif /* __PERF_MACHINE_H */