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 bool kptr_restrict_warned; 32 char *root_dir; 33 struct rb_root threads; 34 pthread_rwlock_t threads_lock; 35 unsigned int nr_threads; 36 struct list_head dead_threads; 37 struct thread *last_match; 38 struct vdso_info *vdso_info; 39 struct perf_env *env; 40 struct dsos dsos; 41 struct map_groups kmaps; 42 struct map *vmlinux_maps[MAP__NR_TYPES]; 43 u64 kernel_start; 44 symbol_filter_t symbol_filter; 45 pid_t *current_tid; 46 union { /* Tool specific area */ 47 void *priv; 48 u64 db_id; 49 }; 50 }; 51 52 static inline 53 struct map *__machine__kernel_map(struct machine *machine, enum map_type type) 54 { 55 return machine->vmlinux_maps[type]; 56 } 57 58 static inline 59 struct map *machine__kernel_map(struct machine *machine) 60 { 61 return __machine__kernel_map(machine, MAP__FUNCTION); 62 } 63 64 int machine__get_kernel_start(struct machine *machine); 65 66 static inline u64 machine__kernel_start(struct machine *machine) 67 { 68 if (!machine->kernel_start) 69 machine__get_kernel_start(machine); 70 return machine->kernel_start; 71 } 72 73 static inline bool machine__kernel_ip(struct machine *machine, u64 ip) 74 { 75 u64 kernel_start = machine__kernel_start(machine); 76 77 return ip >= kernel_start; 78 } 79 80 struct thread *machine__find_thread(struct machine *machine, pid_t pid, 81 pid_t tid); 82 struct comm *machine__thread_exec_comm(struct machine *machine, 83 struct thread *thread); 84 85 int machine__process_comm_event(struct machine *machine, union perf_event *event, 86 struct perf_sample *sample); 87 int machine__process_exit_event(struct machine *machine, union perf_event *event, 88 struct perf_sample *sample); 89 int machine__process_fork_event(struct machine *machine, union perf_event *event, 90 struct perf_sample *sample); 91 int machine__process_lost_event(struct machine *machine, union perf_event *event, 92 struct perf_sample *sample); 93 int machine__process_lost_samples_event(struct machine *machine, union perf_event *event, 94 struct perf_sample *sample); 95 int machine__process_aux_event(struct machine *machine, 96 union perf_event *event); 97 int machine__process_itrace_start_event(struct machine *machine, 98 union perf_event *event); 99 int machine__process_switch_event(struct machine *machine, 100 union perf_event *event); 101 int machine__process_mmap_event(struct machine *machine, union perf_event *event, 102 struct perf_sample *sample); 103 int machine__process_mmap2_event(struct machine *machine, union perf_event *event, 104 struct perf_sample *sample); 105 int machine__process_event(struct machine *machine, union perf_event *event, 106 struct perf_sample *sample); 107 108 typedef void (*machine__process_t)(struct machine *machine, void *data); 109 110 struct machines { 111 struct machine host; 112 struct rb_root guests; 113 symbol_filter_t symbol_filter; 114 }; 115 116 void machines__init(struct machines *machines); 117 void machines__exit(struct machines *machines); 118 119 void machines__process_guests(struct machines *machines, 120 machine__process_t process, void *data); 121 122 struct machine *machines__add(struct machines *machines, pid_t pid, 123 const char *root_dir); 124 struct machine *machines__find_host(struct machines *machines); 125 struct machine *machines__find(struct machines *machines, pid_t pid); 126 struct machine *machines__findnew(struct machines *machines, pid_t pid); 127 128 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size); 129 char *machine__mmap_name(struct machine *machine, char *bf, size_t size); 130 131 void machines__set_symbol_filter(struct machines *machines, 132 symbol_filter_t symbol_filter); 133 void machines__set_comm_exec(struct machines *machines, bool comm_exec); 134 135 struct machine *machine__new_host(void); 136 int machine__init(struct machine *machine, const char *root_dir, pid_t pid); 137 void machine__exit(struct machine *machine); 138 void machine__delete_threads(struct machine *machine); 139 void machine__delete(struct machine *machine); 140 void machine__remove_thread(struct machine *machine, struct thread *th); 141 142 struct branch_info *sample__resolve_bstack(struct perf_sample *sample, 143 struct addr_location *al); 144 struct mem_info *sample__resolve_mem(struct perf_sample *sample, 145 struct addr_location *al); 146 147 struct callchain_cursor; 148 149 int thread__resolve_callchain(struct thread *thread, 150 struct callchain_cursor *cursor, 151 struct perf_evsel *evsel, 152 struct perf_sample *sample, 153 struct symbol **parent, 154 struct addr_location *root_al, 155 int max_stack); 156 157 /* 158 * Default guest kernel is defined by parameter --guestkallsyms 159 * and --guestmodules 160 */ 161 static inline bool machine__is_default_guest(struct machine *machine) 162 { 163 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; 164 } 165 166 static inline bool machine__is_host(struct machine *machine) 167 { 168 return machine ? machine->pid == HOST_KERNEL_ID : false; 169 } 170 171 struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); 172 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); 173 174 struct dso *machine__findnew_dso(struct machine *machine, const char *filename); 175 176 size_t machine__fprintf(struct machine *machine, FILE *fp); 177 178 static inline 179 struct symbol *machine__find_kernel_symbol(struct machine *machine, 180 enum map_type type, u64 addr, 181 struct map **mapp, 182 symbol_filter_t filter) 183 { 184 return map_groups__find_symbol(&machine->kmaps, type, addr, 185 mapp, filter); 186 } 187 188 static inline 189 struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine, 190 enum map_type type, const char *name, 191 struct map **mapp, 192 symbol_filter_t filter) 193 { 194 return map_groups__find_symbol_by_name(&machine->kmaps, type, name, 195 mapp, filter); 196 } 197 198 static inline 199 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 200 struct map **mapp, 201 symbol_filter_t filter) 202 { 203 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 204 mapp, filter); 205 } 206 207 static inline 208 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 209 const char *name, 210 struct map **mapp, 211 symbol_filter_t filter) 212 { 213 return map_groups__find_function_by_name(&machine->kmaps, name, mapp, 214 filter); 215 } 216 217 struct map *machine__findnew_module_map(struct machine *machine, u64 start, 218 const char *filename); 219 220 int __machine__load_kallsyms(struct machine *machine, const char *filename, 221 enum map_type type, bool no_kcore, symbol_filter_t filter); 222 int machine__load_kallsyms(struct machine *machine, const char *filename, 223 enum map_type type, symbol_filter_t filter); 224 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 225 symbol_filter_t filter); 226 227 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, 228 bool (skip)(struct dso *dso, int parm), int parm); 229 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp); 230 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, 231 bool (skip)(struct dso *dso, int parm), int parm); 232 233 void machine__destroy_kernel_maps(struct machine *machine); 234 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 235 int machine__create_kernel_maps(struct machine *machine); 236 237 int machines__create_kernel_maps(struct machines *machines, pid_t pid); 238 int machines__create_guest_kernel_maps(struct machines *machines); 239 void machines__destroy_kernel_maps(struct machines *machines); 240 241 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 242 243 int machine__for_each_thread(struct machine *machine, 244 int (*fn)(struct thread *thread, void *p), 245 void *priv); 246 int machines__for_each_thread(struct machines *machines, 247 int (*fn)(struct thread *thread, void *p), 248 void *priv); 249 250 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool, 251 struct target *target, struct thread_map *threads, 252 perf_event__handler_t process, bool data_mmap, 253 unsigned int proc_map_timeout); 254 static inline 255 int machine__synthesize_threads(struct machine *machine, struct target *target, 256 struct thread_map *threads, bool data_mmap, 257 unsigned int proc_map_timeout) 258 { 259 return __machine__synthesize_threads(machine, NULL, target, threads, 260 perf_event__process, data_mmap, 261 proc_map_timeout); 262 } 263 264 pid_t machine__get_current_tid(struct machine *machine, int cpu); 265 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid, 266 pid_t tid); 267 /* 268 * For use with libtraceevent's pevent_set_function_resolver() 269 */ 270 char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp); 271 272 #endif /* __PERF_MACHINE_H */ 273