Date: Mon, 07 Jul 2014 14:04:34 -0600 From: Ian Lepore <ian@FreeBSD.org> To: John Hay <jhay@meraka.org.za> Cc: freebsd-embedded@FreeBSD.org Subject: Re: vmstat -i and systat -vm interrupt reporting on CAMBRIA and AVILA Message-ID: <1404763474.65432.39.camel@revolution.hippie.lan> In-Reply-To: <20140707194425.GB79553@zibbi.meraka.csir.co.za> References: <20140707194425.GB79553@zibbi.meraka.csir.co.za>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 2014-07-07 at 21:44 +0200, John Hay wrote: > Hi Guys, > > While looking for my atheros problems, I noticed that there seems to > be some reporting problem with interrupts on CAMBRIA and AVILA or > maybe my expectations are wrong. I see: > > :~ # vmstat -i > interrupt total rate > Total 67723 130 > :~ # > > And for systat -vm on the righthand side I see: > > Interrupts > 126 total > 100 > 6 > 20 > > For vmstat -i I would have expected a breakdown of the interrupts with > their names, totoal and rate. Not just a Total. Systat seems to find > a little more with the 3 numbers, but also cannot find the names? > > Regards > > John I wonder if this could be related to the changes HPS made recently to sysctl? vmstat -i gets its info through sysctl, and it's a particularly perverse conspiracy of agreement between kernel and userland on how to interpret a binary blob of sysctl data that contains a variable length table of variable length strings, as I vaguely recall it. -- Ian
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1404763474.65432.39.camel>