Bug 170083

Summary:	Top showing bad cpu usage numbers
Product:	[Fedora] Fedora	Reporter:	Brian Gerst <brgerst>
Component:	procps	Assignee:	Karel Zak <kzak>
Status:	CLOSED RAWHIDE	QA Contact:	Brian Brock <bbrock>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	rawhide
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Hardware:	x86_64
OS:	Linux
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Last Closed:	2005-10-12 12:51:24 UTC	Type:	---
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Description Brian Gerst 2005-10-07 01:56:43 UTC

From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8b4) Gecko/20050915 Fedora/1.5-0.5.0.beta1 Firefox/1.4

Description of problem:
The cpu time summary line is showing incorrect numbers.  According to /proc/stat, iowait is not increasing yet top shows ~3% wait.

Version-Release number of selected component (if applicable):
3.2.5-7

How reproducible:
Always

Steps to Reproduce:
Run top

Actual Results:  Cpu(s):  3.7% us,  0.8% sy,  0.0% ni, 91.4% id,  3.3% wa,  0.0% hi,  0.6% si


Expected Results:  Cpu(s):  0.7% us,  0.3% sy,  0.0% ni, 99.0% id,  0.0% wa,  0.0% hi,  0.0% si


Additional info:

Removing procps-3.2.5.remcpu.patch fixes the problem.

Comment 1 Karel Zak 2005-10-11 17:30:53 UTC

Do you have single CPU or SMP box?

Comment 2 Brian Gerst 2005-10-11 17:39:12 UTC

Single cpu.

Comment 3 Karel Zak 2005-10-12 12:51:24 UTC

Fixed. Update to procps-3.2.5-8.