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 struct list_head dead_threads; 34 struct thread *last_match; 35 struct vdso_info *vdso_info; 36 struct dsos user_dsos; 37 struct dsos kernel_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_mmap_event(struct machine *machine, union perf_event *event, 85 struct perf_sample *sample); 86 int machine__process_mmap2_event(struct machine *machine, union perf_event *event, 87 struct perf_sample *sample); 88 int machine__process_event(struct machine *machine, union perf_event *event, 89 struct perf_sample *sample); 90 91 typedef void (*machine__process_t)(struct machine *machine, void *data); 92 93 struct machines { 94 struct machine host; 95 struct rb_root guests; 96 symbol_filter_t symbol_filter; 97 }; 98 99 void machines__init(struct machines *machines); 100 void machines__exit(struct machines *machines); 101 102 void machines__process_guests(struct machines *machines, 103 machine__process_t process, void *data); 104 105 struct machine *machines__add(struct machines *machines, pid_t pid, 106 const char *root_dir); 107 struct machine *machines__find_host(struct machines *machines); 108 struct machine *machines__find(struct machines *machines, pid_t pid); 109 struct machine *machines__findnew(struct machines *machines, pid_t pid); 110 111 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size); 112 char *machine__mmap_name(struct machine *machine, char *bf, size_t size); 113 114 void machines__set_symbol_filter(struct machines *machines, 115 symbol_filter_t symbol_filter); 116 void machines__set_comm_exec(struct machines *machines, bool comm_exec); 117 118 struct machine *machine__new_host(void); 119 int machine__init(struct machine *machine, const char *root_dir, pid_t pid); 120 void machine__exit(struct machine *machine); 121 void machine__delete_dead_threads(struct machine *machine); 122 void machine__delete_threads(struct machine *machine); 123 void machine__delete(struct machine *machine); 124 125 struct branch_info *sample__resolve_bstack(struct perf_sample *sample, 126 struct addr_location *al); 127 struct mem_info *sample__resolve_mem(struct perf_sample *sample, 128 struct addr_location *al); 129 int thread__resolve_callchain(struct thread *thread, 130 struct perf_evsel *evsel, 131 struct perf_sample *sample, 132 struct symbol **parent, 133 struct addr_location *root_al, 134 int max_stack); 135 136 /* 137 * Default guest kernel is defined by parameter --guestkallsyms 138 * and --guestmodules 139 */ 140 static inline bool machine__is_default_guest(struct machine *machine) 141 { 142 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; 143 } 144 145 static inline bool machine__is_host(struct machine *machine) 146 { 147 return machine ? machine->pid == HOST_KERNEL_ID : false; 148 } 149 150 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, 151 pid_t tid); 152 153 size_t machine__fprintf(struct machine *machine, FILE *fp); 154 155 static inline 156 struct symbol *machine__find_kernel_symbol(struct machine *machine, 157 enum map_type type, u64 addr, 158 struct map **mapp, 159 symbol_filter_t filter) 160 { 161 return map_groups__find_symbol(&machine->kmaps, type, addr, 162 mapp, filter); 163 } 164 165 static inline 166 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 167 struct map **mapp, 168 symbol_filter_t filter) 169 { 170 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 171 mapp, filter); 172 } 173 174 static inline 175 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 176 const char *name, 177 struct map **mapp, 178 symbol_filter_t filter) 179 { 180 return map_groups__find_function_by_name(&machine->kmaps, name, mapp, 181 filter); 182 } 183 184 struct map *machine__new_module(struct machine *machine, u64 start, 185 const char *filename); 186 187 int machine__load_kallsyms(struct machine *machine, const char *filename, 188 enum map_type type, symbol_filter_t filter); 189 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 190 symbol_filter_t filter); 191 192 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, 193 bool (skip)(struct dso *dso, int parm), int parm); 194 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp); 195 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, 196 bool (skip)(struct dso *dso, int parm), int parm); 197 198 void machine__destroy_kernel_maps(struct machine *machine); 199 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 200 int machine__create_kernel_maps(struct machine *machine); 201 202 int machines__create_kernel_maps(struct machines *machines, pid_t pid); 203 int machines__create_guest_kernel_maps(struct machines *machines); 204 void machines__destroy_kernel_maps(struct machines *machines); 205 206 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 207 208 int machine__for_each_thread(struct machine *machine, 209 int (*fn)(struct thread *thread, void *p), 210 void *priv); 211 212 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool, 213 struct target *target, struct thread_map *threads, 214 perf_event__handler_t process, bool data_mmap); 215 static inline 216 int machine__synthesize_threads(struct machine *machine, struct target *target, 217 struct thread_map *threads, bool data_mmap) 218 { 219 return __machine__synthesize_threads(machine, NULL, target, threads, 220 perf_event__process, data_mmap); 221 } 222 223 pid_t machine__get_current_tid(struct machine *machine, int cpu); 224 int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid, 225 pid_t tid); 226 227 #endif /* __PERF_MACHINE_H */ 228