From: Nathan March <nathan@gt.net>
To: xen-devel@lists.xensource.com
Subject: Re: Snmp cpuRawIdle showing double
Date: Thu, 07 Apr 2011 11:04:24 -0700 [thread overview]
Message-ID: <4D9DFCA8.3060608@gt.net> (raw)
In-Reply-To: <4D9CA833.2060506@gt.net>
On 4/6/2011 10:51 AM, Nathan March wrote:
> Dug into the net-snmp source code to figure out where it pulls that data
> from, here's a test case:
>
> x=$(cat /proc/stat | grep cpu0 | awk '{print $5}') && sleep 60 &&
> y=$(cat /proc/stat | grep cpu0 | awk '{print $5}') && echo -e
> "X:$x\nY:$y\nIDLE:" $(echo "scale=3; ($y-$x)/6000*100" | bc)
>
> xen1 ~ # x=$(cat /proc/stat | grep cpu0 | awk '{print $5}') && sleep 60
> && y=$(cat /proc/stat | grep cpu0 | awk '{print $5}') && echo -e
> "X:$x\nY:$y\nIDLE:" $(echo "scale=3; ($y-$x)/6000*100" | bc)
> X:15718848
> Y:15730453
> IDLE: 193.400
>
Anyone?
Could I ask some people to try running this script on their non-loaded
dom0 and see what it returns?
x=$(cat /proc/stat | grep cpu0 | awk '{print $5}') && sleep 60 &&
y=$(cat /proc/stat | grep cpu0 | awk '{print $5}') && echo -e
"X:$x\nY:$y\nIDLE:" $(echo "scale=3; ($y-$x)/6000*100" | bc)
The Idle output should close to 100% per cpu in the dom0.
- Nathan
prev parent reply other threads:[~2011-04-07 18:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-05 21:10 Snmp cpuRawIdle showing double Nathan March
2011-04-06 17:51 ` Nathan March
2011-04-07 18:04 ` Nathan March [this message]
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