Date: Fri, 28 Nov 2008 10:44:20 +0200 From: =?ISO-8859-1?Q?Ott_K=F6stner?= <OttK@zzz.ee> To: freebsd-questions@freebsd.org Subject: Re: top incorrectly reporting process time Message-ID: <492FAF64.50507@zzz.ee> In-Reply-To: <492F9899.9030506@FreeBSD.org> References: <49202F59.7050802@zzz.ee> <20081116144057.GA3864@icarus.home.lan> <492034B8.9020903@zzz.ee> <492F4086.7040403@FreeBSD.org> <492F95B9.8050506@zzz.ee> <492F9899.9030506@FreeBSD.org>
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Kris Kennaway wrote: > Ott Köstner wrote: >> Kris Kennaway wrote: >>> Ott Köstner wrote: >>>> Jeremy Chadwick wrote: >>>>> On Sun, Nov 16, 2008 at 04:34:01PM +0200, Ott Köstner wrote: >>>>> >>>>>> On several FreeBSD machines I have the following problem: >>>>>> >>>>> >>>>> What FreeBSD version? (It matters) >>>>> >>>> 7.1-PRERELEASE FreeBSD >>>> >>>> But I can experience it also on a 7.0 machine. Seems that top reports >>>> incorrectly processes with multiple threads. >>>> >>>> $ top -bUbind >>>> last pid: 21635; load averages: 0.73, 0.46, 0.29 up 1+00:17:18 >>>> 16:48:10 >>>> 54 processes: 1 running, 53 sleeping >>>> >>>> Mem: 66M Active, 1174M Inact, 204M Wired, 36K Cache, 112M Buf, 555M >>>> Free >>>> Swap: 2048M Total, 2048M Free >>>> >>>> PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU >>>> COMMAND >>>> 979 bind 8 44 0 40288K 32916K select 0 0:16 0.00% named >>>> >>>> $ ps -ax|grep 979 >>>> 979 ?? Ss 1:11.26 /usr/sbin/named -n 5 -t /var/named -u bind >>> >>> Check top -H to display the statistics for individual threads. >>> >>> Kris >> # top -bUmysql >> last pid: 8336; load averages: 0.33, 0.30, 0.24 up >> 13+22:36:29 08:47:07 >> 157 processes: 1 running, 156 sleeping >> >> Mem: 1163M Active, 2058M Inact, 555M Wired, 160M Cache, 214M Buf, 22M >> Free >> Swap: 4096M Total, 432K Used, 4095M Free >> >> >> PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU >> COMMAND >> 1079 mysql 9 20 0 92316K 70472K sigwai 1 0:04 0.00% >> mysqld >> 1015 mysql 1 8 0 7056K 1332K wait 1 0:00 0.00% sh >> >> ------------------------------------------------------------------------------------------------------------- >> >> # top -bHUmysql >> last pid: 8497; load averages: 0.36, 0.32, 0.25 up >> 13+22:37:43 08:48:21 >> 148 processes: 4 running, 144 sleeping >> >> Mem: 1147M Active, 2068M Inact, 554M Wired, 156M Cache, 214M Buf, 32M >> Free >> Swap: 4096M Total, 432K Used, 4095M Free >> >> >> PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND >> 1079 mysql 44 0 92316K 70472K select 0 4:10 0.00% mysqld >> 1079 mysql 44 0 92316K 70472K select 0 3:12 0.00% mysqld >> 1079 mysql 44 0 92316K 70472K select 1 1:59 0.00% mysqld >> 1079 mysql 44 0 92316K 70472K ucond 0 0:47 0.00% mysqld >> 1079 mysql 44 0 92316K 70472K select 0 0:26 0.00% mysqld >> 1079 mysql 20 0 92316K 70472K sigwai 1 0:04 0.00% mysqld >> 1079 mysql 44 0 92316K 70472K ucond 0 0:04 0.00% mysqld >> 1079 mysql 44 0 92316K 70472K ucond 1 0:01 0.00% mysqld >> 1015 mysql 8 0 7056K 1332K wait 1 0:00 0.00% sh >> 1079 mysql 44 0 92316K 70472K ucond 0 0:00 0.00% mysqld >> -------------------------------------------------------------------------------------------------------------- >> > > This seems to be the only inconsistent one: > >> # ps -ax|grep 1079 >> 1079 con- S 576:13.90 [mysqld] > > Check that your ps binary is in sync with your kernel, i.e. rebuild > world with the same sources you used to build your kernel. > > Kris > I did that. First, downloaded source with csup, built world, kernel, installed kernel and world. Then rebuilt kernel once again and installed it. On another machine (w/ 32bit kernel): # top -bU bind; top -bHU bind last pid: 21738; load averages: 0.02, 0.20, 0.27 up 12+18:08:53 10:39:45 56 processes: 1 running, 55 sleeping Mem: 207M Active, 1494M Inact, 223M Wired, 70M Cache, 112M Buf, 4700K Free Swap: 2048M Total, 12K Used, 2048M Free PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 979 bind 8 44 0 52576K 44652K select 1 9:42 0.00% named last pid: 21739; load averages: 0.02, 0.20, 0.27 up 12+18:08:53 10:39:45 56 processes: 1 running, 55 sleeping Mem: 207M Active, 1494M Inact, 223M Wired, 70M Cache, 112M Buf, 4712K Free Swap: 2048M Total, 12K Used, 2048M Free PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND 979 bind 44 0 52576K 44652K select 1 9:42 0.00% named 979 bind 44 0 52576K 44652K ucond 1 5:52 0.00% named 979 bind 44 0 52576K 44652K ucond 0 5:51 0.00% named 979 bind 44 0 52576K 44652K ucond 0 5:50 0.00% named 979 bind 44 0 52576K 44652K ucond 1 5:49 0.00% named 979 bind 44 0 52576K 44652K ucond 1 5:48 0.00% named 979 bind 44 0 52576K 44652K ucond 1 0:16 0.00% named 979 bind 20 0 52576K 44652K sigwai 1 0:00 0.00% named # ps -aHx | grep 979; echo ;ps -ax | grep 979 979 ?? Is 0:00.01 /usr/sbin/named -n 5 -t /var/named -u bind 979 ?? Ss 5:49.41 /usr/sbin/named -n 5 -t /var/named -u bind 979 ?? Ss 5:50.73 /usr/sbin/named -n 5 -t /var/named -u bind 979 ?? Ss 5:50.36 /usr/sbin/named -n 5 -t /var/named -u bind 979 ?? Ss 5:52.14 /usr/sbin/named -n 5 -t /var/named -u bind 979 ?? Ss 5:48.15 /usr/sbin/named -n 5 -t /var/named -u bind 979 ?? Ss 0:15.69 /usr/sbin/named -n 5 -t /var/named -u bind 979 ?? Ss 9:41.68 /usr/sbin/named -n 5 -t /var/named -u bind 21761 p0 R+ 0:00.00 grep 979 979 ?? Ss 39:08.18 /usr/sbin/named -n 5 -t /var/named -u bind 21763 p0 R+ 0:00.01 grep 979 >> -------------------------------------------------------------------------------------------------------------- >> # ps -aHx|grep 1079 >> 1079 con- S 1:58.71 [mysqld] >> 1079 con- I 0:00.00 [mysqld] >> 1079 con- S 0:01.30 [mysqld] >> 1079 con- I 0:46.72 [mysqld] >> 1079 con- S 0:03.51 [mysqld] >> 1079 con- S 0:26.05 [mysqld] >> 1079 con- S 3:11.80 [mysqld] >> 1079 con- S 4:09.88 [mysqld] >> 1079 con- S 0:03.67 [mysqld] >> >> >> Strange? >> >> Greetings, >> O.K. >> >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to >> "freebsd-questions-unsubscribe@freebsd.org" >> >> > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" >
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