[OLK 5.10] sharepool 维测refactor

重构了sharepool的维测统计实现。
Sharepool owns an statistics system which allow user to check the memory
use easily. The statistics codes are quite independent from the major
functions. However, the realization is very similar with the major
functions, which doubles the lock use and cause nesting problems.

Thus we remove the statistics system, and put all the statistics into raw
data structures as built-in statistics. The user api did not change.
This can greatly reduce the complexity of locks, as well as remove hundred
lines of redundant codes.

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【回归版本号或者commit】
6234da46491e7d90ddb1ab424f247ceb45daf127

【依赖config】
CONFIG_ASCEND_SHARE_POOL=y

【预设条件和步骤】
1 启动参数打开：enable_ascend_share_pool hugevmalloc=on
2 环境要求至少4个numa node，node0 至少7G内存，node1/2/3各1G即可。
3 需要在Makefile中替换内核地址为自己内核地址。
4 具体运行见README。

【是否需要打patch】
N

【回归用例代码和自验报告】：
运行sharepool全量用例 ./test.sh
输入图片说明