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Re: [Xen-devel] VM Remote access options

To: xen-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] VM Remote access options
From: Michael Vrable <mvrable@xxxxxxxxxxx>
Date: Tue, 28 Sep 2004 11:19:00 -0700
Delivery-date: Tue, 28 Sep 2004 19:29:18 +0100
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In-reply-to: <415a61ee.3ccb.0@xxxxxxxxxxxxx>; from tcranbrook@xxxxxxxxxxxxx on Tue, Sep 28, 2004 at 11:45:39AM -0400
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On Tue, Sep 28, 2004 at 11:45:39AM -0400, Tom Cranbrook wrote:
> The top command shows several new items in the cpu summary display for a
> running domain, labeled wa, hi, and si.  Can't find any docs refs to them. 
> Know want those are?

wa = I/O wait; time when the CPU is idle but a process is blocked
     waiting for data
hi = hardware interrupts
si = softirq interrupts

(A bit of digging turned up help in Documentation/filesystems/proc.txt
in the kernel source tree.  Look in the section "1.8 Miscellaneous
kernel statistics in /proc/stat".)

--Michael Vrable

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