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_aux_event(struct machine *machine, 85 union perf_event *event); 86 int machine__process_itrace_start_event(struct machine *machine, 87 union perf_event *event); 88 int machine__process_mmap_event(struct machine *machine, union perf_event *event, 89 struct perf_sample *sample); 90 int machine__process_mmap2_event(struct machine *machine, union perf_event *event, 91 struct perf_sample *sample); 92 int machine__process_event(struct machine *machine, union perf_event *event, 93 struct perf_sample *sample); 94 95 typedef void (*machine__process_t)(struct machine *machine, void *data); 96 97 struct machines { 98 struct machine host; 99 struct rb_root guests; 100 symbol_filter_t symbol_filter; 101 }; 102 103 void machines__init(struct machines *machines); 104 void machines__exit(struct machines *machines); 105 106 void machines__process_guests(struct machines *machines, 107 machine__process_t process, void *data); 108 109 struct machine *machines__add(struct machines *machines, pid_t pid, 110 const char *root_dir); 111 struct machine *machines__find_host(struct machines *machines); 112 struct machine *machines__find(struct machines *machines, pid_t pid); 113 struct machine *machines__findnew(struct machines *machines, pid_t pid); 114 115 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size); 116 char *machine__mmap_name(struct machine *machine, char *bf, size_t size); 117 118 void machines__set_symbol_filter(struct machines *machines, 119 symbol_filter_t symbol_filter); 120 void machines__set_comm_exec(struct machines *machines, bool comm_exec); 121 122 struct machine *machine__new_host(void); 123 int machine__init(struct machine *machine, const char *root_dir, pid_t pid); 124 void machine__exit(struct machine *machine); 125 void machine__delete_threads(struct machine *machine); 126 void machine__delete(struct machine *machine); 127 void machine__remove_thread(struct machine *machine, struct thread *th); 128 129 struct branch_info *sample__resolve_bstack(struct perf_sample *sample, 130 struct addr_location *al); 131 struct mem_info *sample__resolve_mem(struct perf_sample *sample, 132 struct addr_location *al); 133 int thread__resolve_callchain(struct thread *thread, 134 struct perf_evsel *evsel, 135 struct perf_sample *sample, 136 struct symbol **parent, 137 struct addr_location *root_al, 138 int max_stack); 139 140 /* 141 * Default guest kernel is defined by parameter --guestkallsyms 142 * and --guestmodules 143 */ 144 static inline bool machine__is_default_guest(struct machine *machine) 145 { 146 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; 147 } 148 149 static inline bool machine__is_host(struct machine *machine) 150 { 151 return machine ? machine->pid == HOST_KERNEL_ID : false; 152 } 153 154 struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); 155 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); 156 157 struct dso *machine__findnew_dso(struct machine *machine, const char *filename); 158 159 size_t machine__fprintf(struct machine *machine, FILE *fp); 160 161 static inline 162 struct symbol *machine__find_kernel_symbol(struct machine *machine, 163 enum map_type type, u64 addr, 164 struct map **mapp, 165 symbol_filter_t filter) 166 { 167 return map_groups__find_symbol(&machine->kmaps, type, addr, 168 mapp, filter); 169 } 170 171 static inline 172 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 173 struct map **mapp, 174 symbol_filter_t filter) 175 { 176 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 177 mapp, filter); 178 } 179 180 static inline 181 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 182 const char *name, 183 struct map **mapp, 184 symbol_filter_t filter) 185 { 186 return map_groups__find_function_by_name(&machine->kmaps, name, mapp, 187 filter); 188 } 189 190 struct map *machine__new_module(struct machine *machine, u64 start, 191 const char *filename); 192 193 int machine__load_kallsyms(struct machine *machine, const char *filename, 194 enum map_type type, symbol_filter_t filter); 195 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 196 symbol_filter_t filter); 197 198 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, 199 bool (skip)(struct dso *dso, int parm), int parm); 200 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp); 201 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, 202 bool (skip)(struct dso *dso, int parm), int parm); 203 204 void machine__destroy_kernel_maps(struct machine *machine); 205 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 206 int machine__create_kernel_maps(struct machine *machine); 207 208 int machines__create_kernel_maps(struct machines *machines, pid_t pid); 209 int machines__create_guest_kernel_maps(struct machines *machines); 210 void machines__destroy_kernel_maps(struct machines *machines); 211 212 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 213 214 int machine__for_each_thread(struct machine *machine, 215 int (*fn)(struct thread *thread, void *p), 216 void *priv); 217 218 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool, 219 struct target *target, struct thread_map *threads, 220 perf_event__handler_t process, bool data_mmap); 221 static inline 222 int machine__synthesize_threads(struct machine *machine, struct target *target, 223 struct thread_map *threads, bool data_mmap) 224 { 225 return __machine__synthesize_threads(machine, NULL, target, threads, 226 perf_event__process, data_mmap); 227 } 228 229 pid_t machine__get_current_tid(struct machine *machine, int cpu); 230 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid, 231 pid_t tid); 232 233 #endif /* __PERF_MACHINE_H */ 234