在feather增加累积扫描长度和次数的统计，但未在maat_stat中输出，只能通过gdb查看。

在gdb中切换到bt后包含thread_rule_monitor函数的线程，在.84上是thread 4，up到thread_rule_monitor栈，执行：
(gdb) p *feather
$2 = {
  scanner = 0x706540,
  total_scan_bytes = 1971931012,
  total_scan_cnt = 13269797
}

src/entry/Maat_rule_internal.h

@@ -348,6 +348,8 @@ struct _Maat_feather_t
 	mcore_long_t inner_mid_cnt;
 	mcore_long_t hit_cnt;
 	mcore_long_t thread_call_cnt;//size indicate by scan_thread_num, 
+	long long total_scan_bytes;
+	long long total_scan_cnt;
 };
 struct _maat_garbage_t
 {

src/entry/Maat_stat.cpp

@@ -238,6 +238,8 @@ void maat_stat_output(struct _Maat_feather_t* feather)
 				feather->fs_column_id[COLUMN_TABLE_HIT_CNT], 
 				FS_OP_SET,
 				total_hit_cnt);
+	feather->total_scan_bytes=total_input_bytes;
+	feather->total_scan_cnt=total_scan_cnt;
 	FS_passive_output(feather->stat_handle);
 	return;
 }