Gentoo Archives: gentoo-user

From: Uwe Thiem <uwix@××××.na>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] 100% CPU usage with no processes to blame?
Date: Wed, 14 Feb 2007 18:00:32
Message-Id: 200702141926.04637.uwix@iway.na
In Reply to: Re: [gentoo-user] 100% CPU usage with no processes to blame? by Alan McKinnon
1 On 14 February 2007 18:55, Alan McKinnon wrote:
2 > On Wednesday 14 February 2007, Grant wrote:
3 > > I just sat through about 5 minutes of 100% CPU usage and a thrashing
4 > > hard disk. I ran top and it reported 0% idle CPU, but the list of
5 > > processes totaled maybe 20% CPU usage. How can this be?
6 > >
7 > > - Grant
8 >
9 > Most likely you only looked at user cpu % and neglected to list the
10 > system and niced times as well.
11 >
12 > p.s. golden rule: ps lies. top lies. free lies.
13 > Don't believe the readings they give, rather interpret them in context.
14
15 !!! Golden rule of system administration: All these tools are notoriously
16 wrong.
17
18 Uwe
19
20 --
21 A fast and easy generator of fractals for KDE:
22 http://www.SysEx.com.na/iwy-1.0.tar.bz2
23 Proof of concept of a TSP solver for KDE:
24 http://www.SysEx.com.na/epat-0.1.tar.bz2
25 --
26 gentoo-user@g.o mailing list