Re: Question on low execl() performance (2.0.x kernels)

Stephen C. Tweedie (sct@dcs.ed.ac.uk)
Sat, 5 Apr 1997 23:20:54 +0100


Hi,

On Thu, 03 Apr 1997 14:49:20 -0600, cook@vs.lmco.com said:

> Kernel
> 1.3.97 2.0.0 2.0.25 2.0.28

> <snip>
> Process Creation Test 1375.8 1267.4 993.4 982.2
> lps
> Execl Throughput Test 956.3 961.1 139.9 136.6 lps

If you really want to identify a possible problem like this, by far
the best thing you can do is to enable kernel profiling and let us
know where the big time-sinks are in the kernel. Read the
CONFIG_PROFILE help in "make config".

Cheers,
Stephen.