Start extracting author line from /root/tools/ChangeLog-2.6.25...
Restored the author line to file ./tmp_author.

./patch_sta /root/tools/ChangeLog-2.6.25 -l 2
Total patches of this release: 11100
Averagely, every person commited 9 patches
We have a long tail:
There are 655 people who committed less than 2 patch.
But their contribution is about 7% of total