The Old New Thing

Psychic debugging: Why your expensive four-processor machine is ignoring three of its processors

March 21, 2005 Mar 21, 2005 03/21/05

Raymond Chen

On one of our internal mailing lists, someone was wondering why their expensive four-processor computer appeared to be using only one of its processors. From Task Manager's performance tab, the chart showed that the first processor was doing all the work and the other three processors were sitting idle. Using Task Manager to set each process's...