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Date:      Tue, 13 May 1997 10:10:53 +0200 (MEST)
From:      Christoph Kukulies <kuku@gilberto.physik.RWTH-Aachen.DE>
To:        freebsd-hackers@freefall.FreeBSD.org
Subject:   top / nice level problem
Message-ID:  <199705130810.KAA03359@gil.physik.rwth-aachen.de>

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I'm running the bovrc client (http://vex.net/rsa) at nice level 20
and a colleague is running another job at nice level 5.

Now he asks me: why does my job only get 50% of CPU while yours (at nice
level 20 also gets 50%)?

last pid: 11815;  load averages:  1.99,  1.97,  1.92                   10:00:06
30 processes:  3 running, 27 sleeping
CPU states:  0.0% user,  100% nice,  0.0% system,  0.0% interrupt,  0.0% idle
Mem: 13M Active, 1648K Inact, 9256K Wired, 5924K Cache, 3559K Buf, 1140K Free
Swap: 123M Total, 4556K Used, 119M Free, 4% Inuse

  PID USERNAME         PRI NICE SIZE   RES STATE C   TIME   WCPU    CPU COMMAND
10983 physicist       105  5 14148K  2028K CPU0  0 421:00 51.38% 51.38% bsd_di
 7415 kuku            105 20   164K   264K CPU0  0 969:38 47.61% 47.61% bovrc-
11781 kuku             18  0   648K  1012K pause 0   0:00  0.00%  0.00% tcsh
10982 physicist        18  5   468K   236K pause 0   0:00  0.00%  0.00% csh
10981 physicist        18  5   464K   232K pause 0   0:00  0.00%  0.00% csh
  141 root             18  0   368K   156K pause 0   0:03  0.00%  0.00% cron
   25 roo


Killing bovrc gives the following picture after a while:

last pid: 11824;  load averages:  1.28,  1.75,  1.84                   10:07:20
29 processes:  2 running, 27 sleeping
CPU states:  0.4% user, 98.4% nice,  0.0% system,  1.2% interrupt,  0.0% idle
Mem: 13M Active, 1828K Inact, 9316K Wired, 5948K Cache, 3557K Buf, 788K Free
Swap: 123M Total, 4352K Used, 119M Free, 3% Inuse

  PID USERNAME         PRI NICE SIZE   RES STATE C   TIME   WCPU    CPU COMMAND
10983 physicist       105  5 14148K  2028K CPU0  0 425:22 98.23% 98.23% bsd_di
11781 kuku             18  0   648K  1012K pause 0   0:00  0.00%  0.00% tcsh
10982 physicist        18  5   468K   236K pause 0   0:00  0.00%  0.00% csh
10981 physicist        18  5   464K   232K pause 0   0:00  0.00%  0.00% csh
  141 root             18  0   368K   176K pause 0   0:03  0.00%  0.00% cron
   25 root             18  0   208K     8K pause 0   0:00  0.00%  0.00% adjker
    1 root             10  0   496K    68K wait  0   0:00  0.00%  0.00% init
  125 root             10  0   212K     8K nfsidl0   0:08  0.00%  0.00% nfsiod
  126 root             10  0   212K     8K nfsidl0   0:06  0.00%  0.00% nfsiod

FreeBSD bach.physik.rwth-aachen.de 3.0-CURRENT FreeBSD 3.0-CURRENT #0: Sun
May  4 18:01:24 CEST 1997     root@bach.physik.rwth-aachen.de:/usr/src/sys/
compile/NEWBACH  i386             

 
--
Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de



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