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