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_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 }; 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_comm_exec(struct machines *machines, bool comm_exec); 130 131 struct machine *machine__new_host(void); 132 int machine__init(struct machine *machine, const char *root_dir, pid_t pid); 133 void machine__exit(struct machine *machine); 134 void machine__delete_threads(struct machine *machine); 135 void machine__delete(struct machine *machine); 136 void machine__remove_thread(struct machine *machine, struct thread *th); 137 138 struct branch_info *sample__resolve_bstack(struct perf_sample *sample, 139 struct addr_location *al); 140 struct mem_info *sample__resolve_mem(struct perf_sample *sample, 141 struct addr_location *al); 142 143 struct callchain_cursor; 144 145 int thread__resolve_callchain(struct thread *thread, 146 struct callchain_cursor *cursor, 147 struct perf_evsel *evsel, 148 struct perf_sample *sample, 149 struct symbol **parent, 150 struct addr_location *root_al, 151 int max_stack); 152 153 /* 154 * Default guest kernel is defined by parameter --guestkallsyms 155 * and --guestmodules 156 */ 157 static inline bool machine__is_default_guest(struct machine *machine) 158 { 159 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; 160 } 161 162 static inline bool machine__is_host(struct machine *machine) 163 { 164 return machine ? machine->pid == HOST_KERNEL_ID : false; 165 } 166 167 struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); 168 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); 169 170 struct dso *machine__findnew_dso(struct machine *machine, const char *filename); 171 172 size_t machine__fprintf(struct machine *machine, FILE *fp); 173 174 static inline 175 struct symbol *machine__find_kernel_symbol(struct machine *machine, 176 enum map_type type, u64 addr, 177 struct map **mapp) 178 { 179 return map_groups__find_symbol(&machine->kmaps, type, addr, mapp); 180 } 181 182 static inline 183 struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine, 184 enum map_type type, const char *name, 185 struct map **mapp) 186 { 187 return map_groups__find_symbol_by_name(&machine->kmaps, type, name, mapp); 188 } 189 190 static inline 191 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 192 struct map **mapp) 193 { 194 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 195 mapp); 196 } 197 198 static inline 199 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 200 const char *name, 201 struct map **mapp) 202 { 203 return map_groups__find_function_by_name(&machine->kmaps, name, mapp); 204 } 205 206 struct map *machine__findnew_module_map(struct machine *machine, u64 start, 207 const char *filename); 208 int arch__fix_module_text_start(u64 *start, const char *name); 209 210 int __machine__load_kallsyms(struct machine *machine, const char *filename, 211 enum map_type type, bool no_kcore); 212 int machine__load_kallsyms(struct machine *machine, const char *filename, 213 enum map_type type); 214 int machine__load_vmlinux_path(struct machine *machine, enum map_type type); 215 216 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, 217 bool (skip)(struct dso *dso, int parm), int parm); 218 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp); 219 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, 220 bool (skip)(struct dso *dso, int parm), int parm); 221 222 void machine__destroy_kernel_maps(struct machine *machine); 223 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 224 int machine__create_kernel_maps(struct machine *machine); 225 226 int machines__create_kernel_maps(struct machines *machines, pid_t pid); 227 int machines__create_guest_kernel_maps(struct machines *machines); 228 void machines__destroy_kernel_maps(struct machines *machines); 229 230 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 231 232 int machine__for_each_thread(struct machine *machine, 233 int (*fn)(struct thread *thread, void *p), 234 void *priv); 235 int machines__for_each_thread(struct machines *machines, 236 int (*fn)(struct thread *thread, void *p), 237 void *priv); 238 239 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool, 240 struct target *target, struct thread_map *threads, 241 perf_event__handler_t process, bool data_mmap, 242 unsigned int proc_map_timeout); 243 static inline 244 int machine__synthesize_threads(struct machine *machine, struct target *target, 245 struct thread_map *threads, bool data_mmap, 246 unsigned int proc_map_timeout) 247 { 248 return __machine__synthesize_threads(machine, NULL, target, threads, 249 perf_event__process, data_mmap, 250 proc_map_timeout); 251 } 252 253 pid_t machine__get_current_tid(struct machine *machine, int cpu); 254 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid, 255 pid_t tid); 256 /* 257 * For use with libtraceevent's pevent_set_function_resolver() 258 */ 259 char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp); 260 261 #endif /* __PERF_MACHINE_H */ 262