1 #ifndef __PERF_MACHINE_H 2 #define __PERF_MACHINE_H 3 4 #include <sys/types.h> 5 #include <linux/rbtree.h> 6 #include "map.h" 7 8 struct branch_stack; 9 struct perf_evsel; 10 struct perf_sample; 11 struct symbol; 12 struct thread; 13 union perf_event; 14 15 /* Native host kernel uses -1 as pid index in machine */ 16 #define HOST_KERNEL_ID (-1) 17 #define DEFAULT_GUEST_KERNEL_ID (0) 18 19 struct machine { 20 struct rb_node rb_node; 21 pid_t pid; 22 u16 id_hdr_size; 23 char *root_dir; 24 struct rb_root threads; 25 struct list_head dead_threads; 26 struct thread *last_match; 27 struct list_head user_dsos; 28 struct list_head kernel_dsos; 29 struct map_groups kmaps; 30 struct map *vmlinux_maps[MAP__NR_TYPES]; 31 }; 32 33 static inline 34 struct map *machine__kernel_map(struct machine *machine, enum map_type type) 35 { 36 return machine->vmlinux_maps[type]; 37 } 38 39 struct thread *machine__find_thread(struct machine *machine, pid_t pid); 40 41 int machine__process_comm_event(struct machine *machine, union perf_event *event); 42 int machine__process_exit_event(struct machine *machine, union perf_event *event); 43 int machine__process_fork_event(struct machine *machine, union perf_event *event); 44 int machine__process_lost_event(struct machine *machine, union perf_event *event); 45 int machine__process_mmap_event(struct machine *machine, union perf_event *event); 46 int machine__process_event(struct machine *machine, union perf_event *event); 47 48 typedef void (*machine__process_t)(struct machine *machine, void *data); 49 50 void machines__process(struct rb_root *machines, 51 machine__process_t process, void *data); 52 53 struct machine *machines__add(struct rb_root *machines, pid_t pid, 54 const char *root_dir); 55 struct machine *machines__find_host(struct rb_root *machines); 56 struct machine *machines__find(struct rb_root *machines, pid_t pid); 57 struct machine *machines__findnew(struct rb_root *machines, pid_t pid); 58 59 void machines__set_id_hdr_size(struct rb_root *machines, u16 id_hdr_size); 60 char *machine__mmap_name(struct machine *machine, char *bf, size_t size); 61 62 int machine__init(struct machine *machine, const char *root_dir, pid_t pid); 63 void machine__exit(struct machine *machine); 64 void machine__delete(struct machine *machine); 65 66 67 struct branch_info *machine__resolve_bstack(struct machine *machine, 68 struct thread *thread, 69 struct branch_stack *bs); 70 int machine__resolve_callchain(struct machine *machine, 71 struct perf_evsel *evsel, 72 struct thread *thread, 73 struct perf_sample *sample, 74 struct symbol **parent); 75 76 /* 77 * Default guest kernel is defined by parameter --guestkallsyms 78 * and --guestmodules 79 */ 80 static inline bool machine__is_default_guest(struct machine *machine) 81 { 82 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; 83 } 84 85 static inline bool machine__is_host(struct machine *machine) 86 { 87 return machine ? machine->pid == HOST_KERNEL_ID : false; 88 } 89 90 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid); 91 void machine__remove_thread(struct machine *machine, struct thread *th); 92 93 size_t machine__fprintf(struct machine *machine, FILE *fp); 94 95 static inline 96 struct symbol *machine__find_kernel_symbol(struct machine *machine, 97 enum map_type type, u64 addr, 98 struct map **mapp, 99 symbol_filter_t filter) 100 { 101 return map_groups__find_symbol(&machine->kmaps, type, addr, 102 mapp, filter); 103 } 104 105 static inline 106 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 107 struct map **mapp, 108 symbol_filter_t filter) 109 { 110 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 111 mapp, filter); 112 } 113 114 static inline 115 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 116 const char *name, 117 struct map **mapp, 118 symbol_filter_t filter) 119 { 120 return map_groups__find_function_by_name(&machine->kmaps, name, mapp, 121 filter); 122 } 123 124 struct map *machine__new_module(struct machine *machine, u64 start, 125 const char *filename); 126 127 int machine__load_kallsyms(struct machine *machine, const char *filename, 128 enum map_type type, symbol_filter_t filter); 129 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 130 symbol_filter_t filter); 131 132 size_t machine__fprintf_dsos_buildid(struct machine *machine, 133 FILE *fp, bool with_hits); 134 size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp); 135 size_t machines__fprintf_dsos_buildid(struct rb_root *machines, 136 FILE *fp, bool with_hits); 137 138 void machine__destroy_kernel_maps(struct machine *machine); 139 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 140 int machine__create_kernel_maps(struct machine *machine); 141 142 int machines__create_kernel_maps(struct rb_root *machines, pid_t pid); 143 int machines__create_guest_kernel_maps(struct rb_root *machines); 144 void machines__destroy_guest_kernel_maps(struct rb_root *machines); 145 146 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 147 148 #endif /* __PERF_MACHINE_H */ 149