Date: Tue, 5 Aug 2008 16:30:11 GMT From: Jakub Jasinski <jakub.jasinski@utoronto.ca> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/126230: weird process cpu usage stats and weird load average Message-ID: <200808051630.m75GUBLI080235@freefall.freebsd.org>
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The following reply was made to PR misc/126230; it has been noted by GNATS. From: Jakub Jasinski <jakub.jasinski@utoronto.ca> To: Kris Kennaway <kris@freebsd.org> Cc: freebsd-gnats-submit@FreeBSD.org Subject: Re: misc/126230: weird process cpu usage stats and weird load average Date: Tue, 5 Aug 2008 12:36:57 -0400 I recompiled the kernel with the ULE scheduler and the only difference now is that every 'working' process has higher WCPU _after_ rsync is activated. Before rsync is activated all process have 0% WCPU. BTW, thanks for the help. [root@mail2 ~]# vmstat -i interrupt total rate irq1: atkbd0 78 0 irq4: sio0 2023 5 irq14: ata0 58 0 irq16: uhci0 ehci0 1 0 irq18: ciss0 uhci2 2618 6 irq22: uhci4 19 0 cpu0: timer 751994 1994 irq257: bce1 2271 6 cpu1: timer 744491 1974 cpu2: timer 744494 1974 cpu3: timer 744513 1974 Total 2992560 7937 (snipped top output:) 60 processes: 1 running, 59 sleeping CPU states: 1.0% user, 0.0% nice, 38.4% system, 2.4% interrupt, 58.1% Mem: 142M Active, 333M Inact, 284M Wired, 52K Cache, 214M Buf, 7154M Fre Swap: 8192M Total, 8192M Free PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMM 662 root 2 4 0 14112K 2504K select 1 0:10 13.43% apcu 1020 root 1 55 0 17196K 12096K select 3 0:08 11.57% rsyn 756 root 1 4 0 9940K 1260K select 2 0:05 7.08% auth 498 root 1 4 0 5808K 1196K select 3 0:05 6.40% mous 471 root 1 4 0 5808K 1196K select 0 0:04 5.86% mous 890 mailnull 1 4 0 9252K 2024K select 0 0:04 5.08% mime 981 root 1 4 0 30108K 5292K select 2 0:04 4.98% send 969 admin 1 4 0 32936K 4608K select 1 0:04 4.88% sshd 1001 admin 1 4 0 32936K 4612K select 1 0:04 4.88% sshd 791 root 1 4 0 9940K 1260K select 3 0:04 4.88% auth 613 root 1 4 0 4684K 1352K select 0 0:04 4.79% sysl 784 root 1 4 0 3604K 1224K select 0 0:04 4.79% cour 792 root 1 4 0 9940K 1260K select 2 0:04 4.79% auth 1018 root 1 4 0 17196K 11808K select 0 0:04 4.69% rsyn 793 root 1 4 0 9940K 1260K select 3 0:04 4.59% auth 719 root 1 4 0 27284K 10392K select 2 0:04 4.59% perl 799 root 1 4 0 3604K 1224K select 2 0:04 4.59% cour 789 root 1 4 0 9940K 1260K select 1 0:04 4.49% auth 790 root 1 4 0 9940K 1260K select 2 0:04 4.49% auth 907 mailnull 2 20 0 4888K 1536K sigwai 1 0:04 4.49% mime 833 root 1 4 0 20960K 3920K select 1 0:04 4.49% sshd 774 root 1 4 0 3604K 1220K select 3 0:04 4.39% cour On Mon, 4 Aug 2008 17:00:11 GMT Kris Kennaway <kris@freebsd.org> wrote: > The following reply was made to PR misc/126230; it has been noted by > GNATS. > > From: Kris Kennaway <kris@FreeBSD.org> > To: Jakub Jasinski <jakub.jasinski@utoronto.ca> > Cc: freebsd-gnats-submit@FreeBSD.org > Subject: Re: misc/126230: weird process cpu usage stats and weird > load average Date: Mon, 04 Aug 2008 18:59:15 +0200 > > Jakub Jasinski wrote: > > No. > > > > I ran ktrace on the processes and ktrace.out was empty. > > > > Read my follow up message: I already had a lengthy conversation > > with Remko about this. > > > > NONE of the processes were running. The non-zero TIME is nonsense > > as well and only accumulated after rsync was left running. > > That would be a very strange situation indeed, requiring multiple > things to go wrong in bizarre ways. The more likely explanation is > that the processes are in fact running and being reported correctly. > > Kris > _______________________________________________ > freebsd-bugs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-bugs > To unsubscribe, send any mail to > "freebsd-bugs-unsubscribe@freebsd.org"
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