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 unsigned int nr_threads; 35 struct list_head dead_threads; 36 struct thread *last_match; 37 struct vdso_info *vdso_info; 38 struct perf_env *env; 39 struct dsos dsos; 40 struct map_groups kmaps; 41 struct map *vmlinux_maps[MAP__NR_TYPES]; 42 u64 kernel_start; 43 symbol_filter_t symbol_filter; 44 pid_t *current_tid; 45 union { /* Tool specific area */ 46 void *priv; 47 u64 db_id; 48 }; 49 }; 50 51 static inline 52 struct map *__machine__kernel_map(struct machine *machine, enum map_type type) 53 { 54 return machine->vmlinux_maps[type]; 55 } 56 57 static inline 58 struct map *machine__kernel_map(struct machine *machine) 59 { 60 return __machine__kernel_map(machine, MAP__FUNCTION); 61 } 62 63 int machine__get_kernel_start(struct machine *machine); 64 65 static inline u64 machine__kernel_start(struct machine *machine) 66 { 67 if (!machine->kernel_start) 68 machine__get_kernel_start(machine); 69 return machine->kernel_start; 70 } 71 72 static inline bool machine__kernel_ip(struct machine *machine, u64 ip) 73 { 74 u64 kernel_start = machine__kernel_start(machine); 75 76 return ip >= kernel_start; 77 } 78 79 struct thread *machine__find_thread(struct machine *machine, pid_t pid, 80 pid_t tid); 81 struct comm *machine__thread_exec_comm(struct machine *machine, 82 struct thread *thread); 83 84 int machine__process_comm_event(struct machine *machine, union perf_event *event, 85 struct perf_sample *sample); 86 int machine__process_exit_event(struct machine *machine, union perf_event *event, 87 struct perf_sample *sample); 88 int machine__process_fork_event(struct machine *machine, union perf_event *event, 89 struct perf_sample *sample); 90 int machine__process_lost_event(struct machine *machine, union perf_event *event, 91 struct perf_sample *sample); 92 int machine__process_lost_samples_event(struct machine *machine, union perf_event *event, 93 struct perf_sample *sample); 94 int machine__process_aux_event(struct machine *machine, 95 union perf_event *event); 96 int machine__process_itrace_start_event(struct machine *machine, 97 union perf_event *event); 98 int machine__process_switch_event(struct machine *machine, 99 union perf_event *event); 100 int machine__process_mmap_event(struct machine *machine, union perf_event *event, 101 struct perf_sample *sample); 102 int machine__process_mmap2_event(struct machine *machine, union perf_event *event, 103 struct perf_sample *sample); 104 int machine__process_event(struct machine *machine, union perf_event *event, 105 struct perf_sample *sample); 106 107 typedef void (*machine__process_t)(struct machine *machine, void *data); 108 109 struct machines { 110 struct machine host; 111 struct rb_root guests; 112 symbol_filter_t symbol_filter; 113 }; 114 115 void machines__init(struct machines *machines); 116 void machines__exit(struct machines *machines); 117 118 void machines__process_guests(struct machines *machines, 119 machine__process_t process, void *data); 120 121 struct machine *machines__add(struct machines *machines, pid_t pid, 122 const char *root_dir); 123 struct machine *machines__find_host(struct machines *machines); 124 struct machine *machines__find(struct machines *machines, pid_t pid); 125 struct machine *machines__findnew(struct machines *machines, pid_t pid); 126 127 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size); 128 char *machine__mmap_name(struct machine *machine, char *bf, size_t size); 129 130 void machines__set_symbol_filter(struct machines *machines, 131 symbol_filter_t symbol_filter); 132 void machines__set_comm_exec(struct machines *machines, bool comm_exec); 133 134 struct machine *machine__new_host(void); 135 int machine__init(struct machine *machine, const char *root_dir, pid_t pid); 136 void machine__exit(struct machine *machine); 137 void machine__delete_threads(struct machine *machine); 138 void machine__delete(struct machine *machine); 139 void machine__remove_thread(struct machine *machine, struct thread *th); 140 141 struct branch_info *sample__resolve_bstack(struct perf_sample *sample, 142 struct addr_location *al); 143 struct mem_info *sample__resolve_mem(struct perf_sample *sample, 144 struct addr_location *al); 145 146 struct callchain_cursor; 147 148 int thread__resolve_callchain(struct thread *thread, 149 struct callchain_cursor *cursor, 150 struct perf_evsel *evsel, 151 struct perf_sample *sample, 152 struct symbol **parent, 153 struct addr_location *root_al, 154 int max_stack); 155 156 /* 157 * Default guest kernel is defined by parameter --guestkallsyms 158 * and --guestmodules 159 */ 160 static inline bool machine__is_default_guest(struct machine *machine) 161 { 162 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; 163 } 164 165 static inline bool machine__is_host(struct machine *machine) 166 { 167 return machine ? machine->pid == HOST_KERNEL_ID : false; 168 } 169 170 struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); 171 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); 172 173 struct dso *machine__findnew_dso(struct machine *machine, const char *filename); 174 175 size_t machine__fprintf(struct machine *machine, FILE *fp); 176 177 static inline 178 struct symbol *machine__find_kernel_symbol(struct machine *machine, 179 enum map_type type, u64 addr, 180 struct map **mapp, 181 symbol_filter_t filter) 182 { 183 return map_groups__find_symbol(&machine->kmaps, type, addr, 184 mapp, filter); 185 } 186 187 static inline 188 struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine, 189 enum map_type type, const char *name, 190 struct map **mapp, 191 symbol_filter_t filter) 192 { 193 return map_groups__find_symbol_by_name(&machine->kmaps, type, name, 194 mapp, filter); 195 } 196 197 static inline 198 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 199 struct map **mapp, 200 symbol_filter_t filter) 201 { 202 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 203 mapp, filter); 204 } 205 206 static inline 207 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 208 const char *name, 209 struct map **mapp, 210 symbol_filter_t filter) 211 { 212 return map_groups__find_function_by_name(&machine->kmaps, name, mapp, 213 filter); 214 } 215 216 struct map *machine__findnew_module_map(struct machine *machine, u64 start, 217 const char *filename); 218 219 int __machine__load_kallsyms(struct machine *machine, const char *filename, 220 enum map_type type, bool no_kcore, symbol_filter_t filter); 221 int machine__load_kallsyms(struct machine *machine, const char *filename, 222 enum map_type type, symbol_filter_t filter); 223 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 224 symbol_filter_t filter); 225 226 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, 227 bool (skip)(struct dso *dso, int parm), int parm); 228 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp); 229 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, 230 bool (skip)(struct dso *dso, int parm), int parm); 231 232 void machine__destroy_kernel_maps(struct machine *machine); 233 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 234 int machine__create_kernel_maps(struct machine *machine); 235 236 int machines__create_kernel_maps(struct machines *machines, pid_t pid); 237 int machines__create_guest_kernel_maps(struct machines *machines); 238 void machines__destroy_kernel_maps(struct machines *machines); 239 240 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 241 242 int machine__for_each_thread(struct machine *machine, 243 int (*fn)(struct thread *thread, void *p), 244 void *priv); 245 int machines__for_each_thread(struct machines *machines, 246 int (*fn)(struct thread *thread, void *p), 247 void *priv); 248 249 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool, 250 struct target *target, struct thread_map *threads, 251 perf_event__handler_t process, bool data_mmap, 252 unsigned int proc_map_timeout); 253 static inline 254 int machine__synthesize_threads(struct machine *machine, struct target *target, 255 struct thread_map *threads, bool data_mmap, 256 unsigned int proc_map_timeout) 257 { 258 return __machine__synthesize_threads(machine, NULL, target, threads, 259 perf_event__process, data_mmap, 260 proc_map_timeout); 261 } 262 263 pid_t machine__get_current_tid(struct machine *machine, int cpu); 264 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid, 265 pid_t tid); 266 /* 267 * For use with libtraceevent's pevent_set_function_resolver() 268 */ 269 char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp); 270 271 #endif /* __PERF_MACHINE_H */ 272