文件storage/innodb_plugin/srv/srv0srv.c
srv_print_master_thread_info(file)
sync_print(file);
lock_print_info_summary(file);
if (trx_start) {
long t = ftell(file);
if (t < 0) {
*trx_start = ULINT_UNDEFINED;
} else {
*trx_start = (ulint) t;
}
}
lock_print_info_all_transactions(file);
等