what version of collectl is this? I remember this was a recent problem and
can't tell if my fix (which just came out a couple of weeks ago) didn't
work or you're still running an older version. From the release notes for
version 3.6.8:
if no hiRes::Time, fudge the value of $microInterval based on -i
in any event I'll bet you don't have hires time installed. try collectl -v
and you should see something like:
collectl V3.6.8-1 (zlib:2.033,HiRes:1.972101)
while hires isn't required and collectl should work without it, you lose
accuracy so I'd recommend installing it and/or if you don't have the latest
version of collectl installed try installing it.
in any event please let me know what the resolution is so if I did break it
I can try to fix in the next release.
-mark
On Fri, Nov 1, 2013 at 2:02 PM, Frederik Ferner <
[email protected]> wrote:
> Hello list,
>
> we have a problem with collectl on one machine that we don't really
> understand. Basically, when trying to access disk subsystem information,
> we get an error - "collectl -s d -P -i0 -c1" gives this on one of our
> servers.
>
> waiting for 0 second sample...
> Use of uninitialized value $microInterval in division (/) at
> /usr/share/collectl/formatit.ph line 3246, <PROC> line 25.
> Illegal division by zero at /usr/share/collectl/formatit.ph line 3246,
> <PROC> line 25.
>
> Works fine for e.g. memory - "collectl -s m -P -i0 -c1" gives
>
> waiting for 0 second sample...
> #Date Time [MEM]Tot [MEM]Used [MEM]Free [MEM]Shared [MEM]Buf [MEM]Cached
> [MEM]Slab [MEM]Map [MEM]Anon [MEM]Commit [MEM]Locked [MEM]SwapTot
> [MEM]SwapUsed [MEM]SwapFree [MEM]SwapIn [MEM]SwapOut [MEM]Dirty
> [MEM]Clean [MEM]Laundry [MEM]Inactive [MEM]PageIn [MEM]PageOut
> [MEM]PageFaults [MEM]PageMajFaults [MEM]HugeTotal [MEM]HugeFree
> [MEM]HugeRsvd [MEM]SUnreclaim
> 20131101 17:55:27 65766688 9113912 56652776 0 327240 2147044 798344
> 75700 4636368 7189880 4203176 4194296 0 4194296 0 0 72 0 0 1306984 0 0
> 28 0 0 0 0 503500
>
> On all other hosts we've tried, no problems - it's just one machine.
> These include otherwise identical machines. Haven't yet managed to trace
> where this is coming from and what could be causing it. Any ideas what
> we should look for?
>
>
> --
> Frederik Ferner
> Senior Computer Systems Administrator phone: +44 1235 77 8624
> Diamond Light Source Ltd. mob: +44 7917 08 5110
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> requirement and I have no control over them.)
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>
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