On Mon, May 14, 2001 at 01:06:21PM -0500, Dave Sherohman wrote: > I've got a dual-CPU system that I'm starting to think only runs off one > processor. The kernel has SMP support built in and /proc/cpuinfo shows > two processors, but top only shows a single set of CPU utilization (although > it could just be that the stock debian top isn't SMP aware, I suppose) and > the system slows down terribly when the load average approaches 1.0 rather > than at 2.0 (although I think this box probably sees high load because it's > disk-bound rather than CPU-bound). > > Is there anything else I need to do to activate SMP? And how do I get top > to display stats for each CPU instead of either ignoring the second or > presenting aggregate stats?
top presents aggregate stats because the alternative gets messy on a machine with, say, 64 cpus. If the cpu util avg is 50% and you have two processors, a single cpu box in the same situation would be at 100% util. Since you say the box is IO bound that's where I'd start doing some real work. SCSI can help here a lot. -- Nathan Norman - Staff Engineer | A good plan today is better Micromuse Ltd. | than a perfect plan tomorrow. mailto:[EMAIL PROTECTED] | -- Patton
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