On Fri, 14 Mar 2008, Sam Morris wrote:
On Fri, 2008-03-14 at 05:29 +0100, Dag Wieers wrote:
On Tue, 26 Feb 2008, Sam Morris wrote:
I've only seen the below happen once out of having run dstat dozens of
times, so it's not that high a priority. :)
----total-cpu-usage---- -dsk/total- -net/total- ---paging-- ---system--
usr sys idl wai hiq siq| read writ| recv send| in out | int csw
8 0 92 0 0 0| 0 0 | 28k 1452B| 0 0 | 58 257
7 2 91 0 0 0| 0 172k| 19k 926B| 0 0 | 67 238
7 0 93 0 0 0| 0 0 | 10k 506B| 0 0 | 16 182
11 2 87 0 0 0| 0 44k| 23k 1212B| 0 0 | 62 362
8 0 92 0 0 0| 0 0 | 23k 1229B| 0 0 | 45 213
7 1 91 0 1 0| 0 0 | 10k 530B| 0 0 | 40 203
15 2 79 2 2 0| 0 68k| 0 120B| 0 0 | 23 168
12 1 86 0 1 0| 0 8192B| 23k 1327B| 0 0 | 76 317
8 1 91 0 0 0| 0 0 | 20k 1235B| 0 0 | 37 238
Traceback (most recent call last):
File "/usr/bin/dstat", line 1969, in ?
main()
File "/usr/bin/dstat", line 1914, in main
o.extract()
File "/usr/bin/dstat", line 511, in extract
self.val[name][i] = 100.0 * (self.cn2[name][i] - self.cn1[name][i]) /
(sum(self.cn2[name]) - sum(self.cn1[name]))
ZeroDivisionError: float division
It would also be useful to know exactly it what module/plugin this happens
:) So I guess I need to improve the code to show that information as well.
Ok, fixing the "Interrupted systemcall" problem now allows me to reproduce
this problem and the problem happens to be in the cpu plugin.
It speaks for itself that for some reason
sum(self.cn2[name]) == sum(self.cn1[name])
which should not be the case unless for some reason both snapshots happen
in the same interval. And that is what happens when I suspend the tty for
some time. I don't know (yet) how I can fix this :-/
But at least I can now reproduce it !
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