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