* [Feature] benchmark can add work_dir and repeat times

* change the parameter's name

* change the name of the log file

* add skp road

* add default work dir

* make it optional

* Update tools/benchmark.py

Co-authored-by: Miao Zheng <76149310+MeowZheng@users.noreply.github.com>

* Update tools/benchmark.py

Co-authored-by: Miao Zheng <76149310+MeowZheng@users.noreply.github.com>

* fix typo

* modify json name

Co-authored-by: Miao Zheng <76149310+MeowZheng@users.noreply.github.com>