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 #include "dso.h" 8 #include "event.h" 9 10 struct addr_location; 11 struct branch_stack; 12 struct perf_evsel; 13 struct perf_sample; 14 struct symbol; 15 struct thread; 16 union perf_event; 17 18 /* Native host kernel uses -1 as pid index in machine */ 19 #define HOST_KERNEL_ID (-1) 20 #define DEFAULT_GUEST_KERNEL_ID (0) 21 22 extern const char *ref_reloc_sym_names[]; 23 24 struct vdso_info; 25 26 struct machine { 27 struct rb_node rb_node; 28 pid_t pid; 29 u16 id_hdr_size; 30 bool comm_exec; 31 char *root_dir; 32 struct rb_root threads; 33 pthread_rwlock_t threads_lock; 34 struct list_head dead_threads; 35 struct thread *last_match; 36 struct vdso_info *vdso_info; 37 struct perf_env *env; 38 struct dsos dsos; 39 struct map_groups kmaps; 40 struct map *vmlinux_maps[MAP__NR_TYPES]; 41 u64 kernel_start; 42 symbol_filter_t symbol_filter; 43 pid_t *current_tid; 44 union { /* Tool specific area */ 45 void *priv; 46 u64 db_id; 47 }; 48 }; 49 50 static inline 51 struct map *__machine__kernel_map(struct machine *machine, enum map_type type) 52 { 53 return machine->vmlinux_maps[type]; 54 } 55 56 static inline 57 struct map *machine__kernel_map(struct machine *machine) 58 { 59 return __machine__kernel_map(machine, MAP__FUNCTION); 60 } 61 62 int machine__get_kernel_start(struct machine *machine); 63 64 static inline u64 machine__kernel_start(struct machine *machine) 65 { 66 if (!machine->kernel_start) 67 machine__get_kernel_start(machine); 68 return machine->kernel_start; 69 } 70 71 static inline bool machine__kernel_ip(struct machine *machine, u64 ip) 72 { 73 u64 kernel_start = machine__kernel_start(machine); 74 75 return ip >= kernel_start; 76 } 77 78 struct thread *machine__find_thread(struct machine *machine, pid_t pid, 79 pid_t tid); 80 struct comm *machine__thread_exec_comm(struct machine *machine, 81 struct thread *thread); 82 83 int machine__process_comm_event(struct machine *machine, union perf_event *event, 84 struct perf_sample *sample); 85 int machine__process_exit_event(struct machine *machine, union perf_event *event, 86 struct perf_sample *sample); 87 int machine__process_fork_event(struct machine *machine, union perf_event *event, 88 struct perf_sample *sample); 89 int machine__process_lost_event(struct machine *machine, union perf_event *event, 90 struct perf_sample *sample); 91 int machine__process_lost_samples_event(struct machine *machine, union perf_event *event, 92 struct perf_sample *sample); 93 int machine__process_aux_event(struct machine *machine, 94 union perf_event *event); 95 int machine__process_itrace_start_event(struct machine *machine, 96 union perf_event *event); 97 int machine__process_switch_event(struct machine *machine __maybe_unused, 98 union perf_event *event); 99 int machine__process_mmap_event(struct machine *machine, union perf_event *event, 100 struct perf_sample *sample); 101 int machine__process_mmap2_event(struct machine *machine, union perf_event *event, 102 struct perf_sample *sample); 103 int machine__process_event(struct machine *machine, union perf_event *event, 104 struct perf_sample *sample); 105 106 typedef void (*machine__process_t)(struct machine *machine, void *data); 107 108 struct machines { 109 struct machine host; 110 struct rb_root guests; 111 symbol_filter_t symbol_filter; 112 }; 113 114 void machines__init(struct machines *machines); 115 void machines__exit(struct machines *machines); 116 117 void machines__process_guests(struct machines *machines, 118 machine__process_t process, void *data); 119 120 struct machine *machines__add(struct machines *machines, pid_t pid, 121 const char *root_dir); 122 struct machine *machines__find_host(struct machines *machines); 123 struct machine *machines__find(struct machines *machines, pid_t pid); 124 struct machine *machines__findnew(struct machines *machines, pid_t pid); 125 126 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size); 127 char *machine__mmap_name(struct machine *machine, char *bf, size_t size); 128 129 void machines__set_symbol_filter(struct machines *machines, 130 symbol_filter_t symbol_filter); 131 void machines__set_comm_exec(struct machines *machines, bool comm_exec); 132 133 struct machine *machine__new_host(void); 134 int machine__init(struct machine *machine, const char *root_dir, pid_t pid); 135 void machine__exit(struct machine *machine); 136 void machine__delete_threads(struct machine *machine); 137 void machine__delete(struct machine *machine); 138 void machine__remove_thread(struct machine *machine, struct thread *th); 139 140 struct branch_info *sample__resolve_bstack(struct perf_sample *sample, 141 struct addr_location *al); 142 struct mem_info *sample__resolve_mem(struct perf_sample *sample, 143 struct addr_location *al); 144 int thread__resolve_callchain(struct thread *thread, 145 struct perf_evsel *evsel, 146 struct perf_sample *sample, 147 struct symbol **parent, 148 struct addr_location *root_al, 149 int max_stack); 150 151 /* 152 * Default guest kernel is defined by parameter --guestkallsyms 153 * and --guestmodules 154 */ 155 static inline bool machine__is_default_guest(struct machine *machine) 156 { 157 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; 158 } 159 160 static inline bool machine__is_host(struct machine *machine) 161 { 162 return machine ? machine->pid == HOST_KERNEL_ID : false; 163 } 164 165 struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); 166 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); 167 168 struct dso *machine__findnew_dso(struct machine *machine, const char *filename); 169 170 size_t machine__fprintf(struct machine *machine, FILE *fp); 171 172 static inline 173 struct symbol *machine__find_kernel_symbol(struct machine *machine, 174 enum map_type type, u64 addr, 175 struct map **mapp, 176 symbol_filter_t filter) 177 { 178 return map_groups__find_symbol(&machine->kmaps, type, addr, 179 mapp, filter); 180 } 181 182 static inline 183 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 184 struct map **mapp, 185 symbol_filter_t filter) 186 { 187 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 188 mapp, filter); 189 } 190 191 static inline 192 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 193 const char *name, 194 struct map **mapp, 195 symbol_filter_t filter) 196 { 197 return map_groups__find_function_by_name(&machine->kmaps, name, mapp, 198 filter); 199 } 200 201 struct map *machine__findnew_module_map(struct machine *machine, u64 start, 202 const char *filename); 203 204 int machine__load_kallsyms(struct machine *machine, const char *filename, 205 enum map_type type, symbol_filter_t filter); 206 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 207 symbol_filter_t filter); 208 209 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, 210 bool (skip)(struct dso *dso, int parm), int parm); 211 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp); 212 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, 213 bool (skip)(struct dso *dso, int parm), int parm); 214 215 void machine__destroy_kernel_maps(struct machine *machine); 216 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 217 int machine__create_kernel_maps(struct machine *machine); 218 219 int machines__create_kernel_maps(struct machines *machines, pid_t pid); 220 int machines__create_guest_kernel_maps(struct machines *machines); 221 void machines__destroy_kernel_maps(struct machines *machines); 222 223 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 224 225 int machine__for_each_thread(struct machine *machine, 226 int (*fn)(struct thread *thread, void *p), 227 void *priv); 228 int machines__for_each_thread(struct machines *machines, 229 int (*fn)(struct thread *thread, void *p), 230 void *priv); 231 232 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool, 233 struct target *target, struct thread_map *threads, 234 perf_event__handler_t process, bool data_mmap, 235 unsigned int proc_map_timeout); 236 static inline 237 int machine__synthesize_threads(struct machine *machine, struct target *target, 238 struct thread_map *threads, bool data_mmap, 239 unsigned int proc_map_timeout) 240 { 241 return __machine__synthesize_threads(machine, NULL, target, threads, 242 perf_event__process, data_mmap, 243 proc_map_timeout); 244 } 245 246 pid_t machine__get_current_tid(struct machine *machine, int cpu); 247 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid, 248 pid_t tid); 249 /* 250 * For use with libtraceevent's pevent_set_function_resolver() 251 */ 252 char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp); 253 254 #endif /* __PERF_MACHINE_H */ 255