Why is my load ave so high now?
Kevin J. Cummings
cummings at kjchome.homeip.net
Fri Jul 24 21:10:05 UTC 2009
On 07/24/2009 04:41 PM, Aaron Konstam wrote:
> Two suggestions:
> 1. run vmstat 2 30
> to see how many context switches are occurring and the wait time for
> processes etc. A load time of 11 means there are a large number of
> processes waiting for cpu time. I think it is inaccurate to say no cpu
> resources are being used.
Output here:
> # vmstat 2 30
> procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
> r b swpd free buff cache si so bi bo in cs us sy id wa st
> 3 0 444 173168 78832 911216 0 0 32 103 122 55 96 4 0 0 0
> 1 0 444 173168 78840 911216 0 0 0 326 1427 446 98 3 0 0 0
> 1 0 444 173168 78840 911216 0 0 0 0 1370 219 99 2 0 0 0
> 1 0 444 173044 78860 911216 0 0 0 162 1362 242 98 2 0 0 0
> 1 0 444 173044 78860 911216 0 0 0 0 1374 449 98 2 0 0 0
> 1 0 444 173044 78860 911216 0 0 0 0 1372 214 99 1 0 0 0
> 1 0 444 173044 78876 911216 0 0 0 156 1377 448 98 2 0 0 0
> 1 0 444 173044 78876 911216 0 0 0 0 1367 234 99 2 0 0 0
> 1 0 444 175648 78888 911216 0 0 0 38 1383 239 98 2 0 0 0
> 1 0 444 175648 78888 911216 0 0 0 0 1366 424 98 2 0 0 0
> 1 0 444 175648 78888 911216 0 0 0 0 1373 222 99 1 0 0 0
> 1 0 444 175648 78904 911216 0 0 0 80 1383 346 98 2 0 0 0
> 1 0 444 175648 78904 911216 0 0 0 0 1366 212 100 1 0 0 0
> 1 0 444 174656 78912 911208 0 0 0 30 1371 228 98 2 0 0 0
> 1 0 444 174656 78912 911216 0 0 0 0 1371 450 98 3 0 0 0
> 1 0 444 174656 78912 911216 0 0 0 0 1367 210 100 1 0 0 0
> 1 0 444 174656 78924 911216 0 0 0 34 1374 451 98 2 0 0 0
> 1 0 444 174656 78924 911216 0 0 0 0 1365 221 99 1 0 0 0
> 2 0 444 173184 78932 911216 0 0 0 204 1427 556 97 4 0 0 0
> 1 0 444 172548 78932 911224 0 0 0 0 1386 635 96 4 0 0 0
> 1 0 444 173168 78940 911224 0 0 0 150 1356 221 97 2 0 1 0
> 1 0 444 173168 78964 911224 0 0 0 34 1370 314 99 2 0 0 0
> 1 0 444 173168 78976 911224 0 0 0 1324 1375 228 99 1 0 0 0
> 1 0 444 172400 78984 911216 0 0 0 14 1377 246 98 2 0 0 0
> 1 0 444 172424 78984 911224 0 0 0 0 1364 433 99 1 0 0 0
> 1 0 444 172424 78984 911224 0 0 0 0 1371 220 99 1 0 0 0
> 1 0 444 172424 78992 911224 0 0 0 30 1375 461 98 3 0 0 0
> 1 0 444 172424 78992 911224 0 0 0 0 1365 207 100 1 0 0 0
> 1 0 444 172512 79000 911216 0 0 0 34 1377 237 98 2 0 0 0
> 1 0 444 172548 79000 911224 0 0 0 0 1376 451 97 3 0 0 0
Do you see anything in the above output? Load ave was 11.45 when I
started....
> 2. If you can get a hold of the article on the Real Time Scheduler found
> in the August 2009 issue of Linux Journal. To me astropulse is running
> away with your CPU time and noting else can get cpu adequate cpu time.
But its only July 2009! B^)
I'm no longer an LJ subscriber, so I'll have to either find/buy the
issue, or wait a while for it to become available on their WWW site.
Thanks Aaron!
--
Kevin J. Cummings
kjchome at rcn.com
cummings at kjchome.homeip.net
cummings at kjc386.framingham.ma.us
Registered Linux User #1232 (http://counter.li.org)
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