in reply to How to generate 'fake' memory load?

You really should decide if you want memory load or cpu load.

Anyway, for CPU load, this works fine: 

perl -e '1 while 1'

[download]
Perhaps fork() once first, for each CPU.

On re-read: what kyle said.

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In Section Seekers of Perl Wisdom