pgbench issue

[Sichen Zhao]

Hi,

I am a developer from China, when i using pgbench -l to output log file, the 
pgbench seems dont work, my pgbench version is 9.2.13.
can anyone help me?

ps: when i using 9.2.23 pgbench, the -l is work.


thanks in advance

Best Regards
Sichen Zhao