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 struct machines { 51 struct machine host; 52 struct rb_root guests; 53 }; 54 55 void machines__init(struct machines *machines); 56 void machines__exit(struct machines *machines); 57 58 void machines__process_guests(struct machines *machines, 59 machine__process_t process, void *data); 60 61 struct machine *machines__add(struct machines *machines, pid_t pid, 62 const char *root_dir); 63 struct machine *machines__find_host(struct machines *machines); 64 struct machine *machines__find(struct machines *machines, pid_t pid); 65 struct machine *machines__findnew(struct machines *machines, pid_t pid); 66 67 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size); 68 char *machine__mmap_name(struct machine *machine, char *bf, size_t size); 69 70 int machine__init(struct machine *machine, const char *root_dir, pid_t pid); 71 void machine__exit(struct machine *machine); 72 void machine__delete_dead_threads(struct machine *machine); 73 void machine__delete_threads(struct machine *machine); 74 void machine__delete(struct machine *machine); 75 76 struct branch_info *machine__resolve_bstack(struct machine *machine, 77 struct thread *thread, 78 struct branch_stack *bs); 79 int machine__resolve_callchain(struct machine *machine, 80 struct perf_evsel *evsel, 81 struct thread *thread, 82 struct perf_sample *sample, 83 struct symbol **parent); 84 85 /* 86 * Default guest kernel is defined by parameter --guestkallsyms 87 * and --guestmodules 88 */ 89 static inline bool machine__is_default_guest(struct machine *machine) 90 { 91 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; 92 } 93 94 static inline bool machine__is_host(struct machine *machine) 95 { 96 return machine ? machine->pid == HOST_KERNEL_ID : false; 97 } 98 99 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid); 100 void machine__remove_thread(struct machine *machine, struct thread *th); 101 102 size_t machine__fprintf(struct machine *machine, FILE *fp); 103 104 static inline 105 struct symbol *machine__find_kernel_symbol(struct machine *machine, 106 enum map_type type, u64 addr, 107 struct map **mapp, 108 symbol_filter_t filter) 109 { 110 return map_groups__find_symbol(&machine->kmaps, type, addr, 111 mapp, filter); 112 } 113 114 static inline 115 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 116 struct map **mapp, 117 symbol_filter_t filter) 118 { 119 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 120 mapp, filter); 121 } 122 123 static inline 124 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 125 const char *name, 126 struct map **mapp, 127 symbol_filter_t filter) 128 { 129 return map_groups__find_function_by_name(&machine->kmaps, name, mapp, 130 filter); 131 } 132 133 struct map *machine__new_module(struct machine *machine, u64 start, 134 const char *filename); 135 136 int machine__load_kallsyms(struct machine *machine, const char *filename, 137 enum map_type type, symbol_filter_t filter); 138 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 139 symbol_filter_t filter); 140 141 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, 142 bool (skip)(struct dso *dso, int parm), int parm); 143 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp); 144 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, 145 bool (skip)(struct dso *dso, int parm), int parm); 146 147 void machine__destroy_kernel_maps(struct machine *machine); 148 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 149 int machine__create_kernel_maps(struct machine *machine); 150 151 int machines__create_kernel_maps(struct machines *machines, pid_t pid); 152 int machines__create_guest_kernel_maps(struct machines *machines); 153 void machines__destroy_kernel_maps(struct machines *machines); 154 155 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 156 157 #endif /* __PERF_MACHINE_H */ 158