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