Date: Wed, 17 Aug 2011 08:53:32 -0400 From: Gary Palmer <gpalmer@freebsd.org> To: Andrew Stevenson <andrew@ugh.net.au> Cc: pyunyh@gmail.com, embedded@freebsd.org, Ask Bj?rn Hansen <ask@develooper.com>, net@freebsd.org Subject: Re: system locks up with vr driver on alix board Message-ID: <20110817125332.GD88904@in-addr.com> In-Reply-To: <C38D5CC3-F227-4F27-9A85-AB5F135FB300@ugh.net.au> References: <D8B41107-90ED-4357-A7DA-4FF987C70567@develooper.com> <4E4AB3BE.4090603@sentex.net> <9255C71C-BB78-417E-A900-85140FC2050C@develooper.com> <20110817002911.GA7614@michelle.cdnetworks.com> <C64CDCB3-A1DE-48CF-BEE5-54BA7084B3CB@develooper.com> <C38D5CC3-F227-4F27-9A85-AB5F135FB300@ugh.net.au>
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On Wed, Aug 17, 2011 at 09:15:34AM +0100, Andrew Stevenson wrote: > > On 17 Aug 2011, at 02:39, Ask Bj?rn Hansen wrote: > > >> How many PPS or interrupts do you see from vr interface under high > >> network load? > > > > Honestly I'm not sure. I only know how to see the interrupt busy percentage from top ? Is there a cheap way to get those numbers? If so then I'll log them every second or two and see if it catches anything. > > "systat -vmstat" shows interrupts per second per device. Some use of awk or sed may be required. "vmstat -i" is probably closer to what the OP is looking for Regards, Gary
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