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 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_namespaces_event(struct machine *machine, 101 union perf_event *event, 102 struct perf_sample *sample); 103 int machine__process_mmap_event(struct machine *machine, union perf_event *event, 104 struct perf_sample *sample); 105 int machine__process_mmap2_event(struct machine *machine, union perf_event *event, 106 struct perf_sample *sample); 107 int machine__process_event(struct machine *machine, union perf_event *event, 108 struct perf_sample *sample); 109 110 typedef void (*machine__process_t)(struct machine *machine, void *data); 111 112 struct machines { 113 struct machine host; 114 struct rb_root guests; 115 }; 116 117 void machines__init(struct machines *machines); 118 void machines__exit(struct machines *machines); 119 120 void machines__process_guests(struct machines *machines, 121 machine__process_t process, void *data); 122 123 struct machine *machines__add(struct machines *machines, pid_t pid, 124 const char *root_dir); 125 struct machine *machines__find_host(struct machines *machines); 126 struct machine *machines__find(struct machines *machines, pid_t pid); 127 struct machine *machines__findnew(struct machines *machines, pid_t pid); 128 129 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size); 130 char *machine__mmap_name(struct machine *machine, char *bf, size_t size); 131 132 void machines__set_comm_exec(struct machines *machines, bool comm_exec); 133 134 struct machine *machine__new_host(void); 135 struct machine *machine__new_kallsyms(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 { 183 return map_groups__find_symbol(&machine->kmaps, type, addr, mapp); 184 } 185 186 static inline 187 struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine, 188 enum map_type type, const char *name, 189 struct map **mapp) 190 { 191 return map_groups__find_symbol_by_name(&machine->kmaps, type, name, mapp); 192 } 193 194 static inline 195 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 196 struct map **mapp) 197 { 198 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 199 mapp); 200 } 201 202 static inline 203 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 204 const char *name, 205 struct map **mapp) 206 { 207 return map_groups__find_function_by_name(&machine->kmaps, name, mapp); 208 } 209 210 struct map *machine__findnew_module_map(struct machine *machine, u64 start, 211 const char *filename); 212 int arch__fix_module_text_start(u64 *start, const char *name); 213 214 int __machine__load_kallsyms(struct machine *machine, const char *filename, 215 enum map_type type, bool no_kcore); 216 int machine__load_kallsyms(struct machine *machine, const char *filename, 217 enum map_type type); 218 int machine__load_vmlinux_path(struct machine *machine, enum map_type type); 219 220 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, 221 bool (skip)(struct dso *dso, int parm), int parm); 222 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp); 223 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, 224 bool (skip)(struct dso *dso, int parm), int parm); 225 226 void machine__destroy_kernel_maps(struct machine *machine); 227 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 228 int machine__create_kernel_maps(struct machine *machine); 229 230 int machines__create_kernel_maps(struct machines *machines, pid_t pid); 231 int machines__create_guest_kernel_maps(struct machines *machines); 232 void machines__destroy_kernel_maps(struct machines *machines); 233 234 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 235 236 int machine__for_each_thread(struct machine *machine, 237 int (*fn)(struct thread *thread, void *p), 238 void *priv); 239 int machines__for_each_thread(struct machines *machines, 240 int (*fn)(struct thread *thread, void *p), 241 void *priv); 242 243 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool, 244 struct target *target, struct thread_map *threads, 245 perf_event__handler_t process, bool data_mmap, 246 unsigned int proc_map_timeout); 247 static inline 248 int machine__synthesize_threads(struct machine *machine, struct target *target, 249 struct thread_map *threads, bool data_mmap, 250 unsigned int proc_map_timeout) 251 { 252 return __machine__synthesize_threads(machine, NULL, target, threads, 253 perf_event__process, data_mmap, 254 proc_map_timeout); 255 } 256 257 pid_t machine__get_current_tid(struct machine *machine, int cpu); 258 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid, 259 pid_t tid); 260 /* 261 * For use with libtraceevent's pevent_set_function_resolver() 262 */ 263 char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp); 264 265 #endif /* __PERF_MACHINE_H */ 266