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 "event.h" 8 9 struct addr_location; 10 struct branch_stack; 11 struct perf_evsel; 12 struct perf_sample; 13 struct symbol; 14 struct thread; 15 union perf_event; 16 17 /* Native host kernel uses -1 as pid index in machine */ 18 #define HOST_KERNEL_ID (-1) 19 #define DEFAULT_GUEST_KERNEL_ID (0) 20 21 extern const char *ref_reloc_sym_names[]; 22 23 struct machine { 24 struct rb_node rb_node; 25 pid_t pid; 26 u16 id_hdr_size; 27 char *root_dir; 28 struct rb_root threads; 29 struct list_head dead_threads; 30 struct thread *last_match; 31 struct list_head user_dsos; 32 struct list_head kernel_dsos; 33 struct map_groups kmaps; 34 struct map *vmlinux_maps[MAP__NR_TYPES]; 35 symbol_filter_t symbol_filter; 36 }; 37 38 static inline 39 struct map *machine__kernel_map(struct machine *machine, enum map_type type) 40 { 41 return machine->vmlinux_maps[type]; 42 } 43 44 struct thread *machine__find_thread(struct machine *machine, pid_t tid); 45 46 int machine__process_comm_event(struct machine *machine, union perf_event *event, 47 struct perf_sample *sample); 48 int machine__process_exit_event(struct machine *machine, union perf_event *event, 49 struct perf_sample *sample); 50 int machine__process_fork_event(struct machine *machine, union perf_event *event, 51 struct perf_sample *sample); 52 int machine__process_lost_event(struct machine *machine, union perf_event *event, 53 struct perf_sample *sample); 54 int machine__process_mmap_event(struct machine *machine, union perf_event *event, 55 struct perf_sample *sample); 56 int machine__process_mmap2_event(struct machine *machine, union perf_event *event, 57 struct perf_sample *sample); 58 int machine__process_event(struct machine *machine, union perf_event *event, 59 struct perf_sample *sample); 60 61 typedef void (*machine__process_t)(struct machine *machine, void *data); 62 63 struct machines { 64 struct machine host; 65 struct rb_root guests; 66 symbol_filter_t symbol_filter; 67 }; 68 69 void machines__init(struct machines *machines); 70 void machines__exit(struct machines *machines); 71 72 void machines__process_guests(struct machines *machines, 73 machine__process_t process, void *data); 74 75 struct machine *machines__add(struct machines *machines, pid_t pid, 76 const char *root_dir); 77 struct machine *machines__find_host(struct machines *machines); 78 struct machine *machines__find(struct machines *machines, pid_t pid); 79 struct machine *machines__findnew(struct machines *machines, pid_t pid); 80 81 void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size); 82 char *machine__mmap_name(struct machine *machine, char *bf, size_t size); 83 84 void machines__set_symbol_filter(struct machines *machines, 85 symbol_filter_t symbol_filter); 86 87 struct machine *machine__new_host(void); 88 int machine__init(struct machine *machine, const char *root_dir, pid_t pid); 89 void machine__exit(struct machine *machine); 90 void machine__delete_dead_threads(struct machine *machine); 91 void machine__delete_threads(struct machine *machine); 92 void machine__delete(struct machine *machine); 93 94 struct branch_info *machine__resolve_bstack(struct machine *machine, 95 struct thread *thread, 96 struct branch_stack *bs); 97 struct mem_info *machine__resolve_mem(struct machine *machine, 98 struct thread *thread, 99 struct perf_sample *sample, u8 cpumode); 100 int machine__resolve_callchain(struct machine *machine, 101 struct perf_evsel *evsel, 102 struct thread *thread, 103 struct perf_sample *sample, 104 struct symbol **parent, 105 struct addr_location *root_al, 106 int max_stack); 107 108 /* 109 * Default guest kernel is defined by parameter --guestkallsyms 110 * and --guestmodules 111 */ 112 static inline bool machine__is_default_guest(struct machine *machine) 113 { 114 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false; 115 } 116 117 static inline bool machine__is_host(struct machine *machine) 118 { 119 return machine ? machine->pid == HOST_KERNEL_ID : false; 120 } 121 122 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, 123 pid_t tid); 124 125 size_t machine__fprintf(struct machine *machine, FILE *fp); 126 127 static inline 128 struct symbol *machine__find_kernel_symbol(struct machine *machine, 129 enum map_type type, u64 addr, 130 struct map **mapp, 131 symbol_filter_t filter) 132 { 133 return map_groups__find_symbol(&machine->kmaps, type, addr, 134 mapp, filter); 135 } 136 137 static inline 138 struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr, 139 struct map **mapp, 140 symbol_filter_t filter) 141 { 142 return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr, 143 mapp, filter); 144 } 145 146 static inline 147 struct symbol *machine__find_kernel_function_by_name(struct machine *machine, 148 const char *name, 149 struct map **mapp, 150 symbol_filter_t filter) 151 { 152 return map_groups__find_function_by_name(&machine->kmaps, name, mapp, 153 filter); 154 } 155 156 struct map *machine__new_module(struct machine *machine, u64 start, 157 const char *filename); 158 159 int machine__load_kallsyms(struct machine *machine, const char *filename, 160 enum map_type type, symbol_filter_t filter); 161 int machine__load_vmlinux_path(struct machine *machine, enum map_type type, 162 symbol_filter_t filter); 163 164 size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, 165 bool (skip)(struct dso *dso, int parm), int parm); 166 size_t machines__fprintf_dsos(struct machines *machines, FILE *fp); 167 size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp, 168 bool (skip)(struct dso *dso, int parm), int parm); 169 170 void machine__destroy_kernel_maps(struct machine *machine); 171 int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel); 172 int machine__create_kernel_maps(struct machine *machine); 173 174 int machines__create_kernel_maps(struct machines *machines, pid_t pid); 175 int machines__create_guest_kernel_maps(struct machines *machines); 176 void machines__destroy_kernel_maps(struct machines *machines); 177 178 size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); 179 180 int machine__for_each_thread(struct machine *machine, 181 int (*fn)(struct thread *thread, void *p), 182 void *priv); 183 184 int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool, 185 struct target *target, struct thread_map *threads, 186 perf_event__handler_t process, bool data_mmap); 187 static inline 188 int machine__synthesize_threads(struct machine *machine, struct target *target, 189 struct thread_map *threads, bool data_mmap) 190 { 191 return __machine__synthesize_threads(machine, NULL, target, threads, 192 perf_event__process, data_mmap); 193 } 194 195 #endif /* __PERF_MACHINE_H */ 196