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