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