Date: Sun, 25 Jun 2006 15:43:04 -0300 (ADT) From: "Marc G. Fournier" <scrappy@hub.org> To: Dmitry Morozovsky <marck@rinet.ru> Cc: Kostik Belousov <kostikbel@gmail.com>, freebsd-stable@freebsd.org Subject: Re: vmstat 'b' (disk busy?) field keeps climbing ... Message-ID: <20060625154247.N1114@ganymede.hub.org> In-Reply-To: <20060625211510.D52500@woozle.rinet.ru> References: <20060623172557.H1114@ganymede.hub.org> <261AD16B-C3FE-4671-996E-563053508CE8@mac.com> <20060624022227.X1114@ganymede.hub.org> <20060624115505.E14669@woozle.rinet.ru> <20060624090656.GB79678@deviant.kiev.zoral.com.ua> <20060624145432.A1114@ganymede.hub.org> <20060624221556.O30039@woozle.rinet.ru> <20060624152525.D1114@ganymede.hub.org> <20060625164752.H52500@woozle.rinet.ru> <20060625105843.O1114@ganymede.hub.org> <20060625211510.D52500@woozle.rinet.ru>
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On Sun, 25 Jun 2006, Dmitry Morozovsky wrote:
> On Sun, 25 Jun 2006, Marc G. Fournier wrote:
>
> MGF> > Errm... It seems I turn you to the wrong side... Normal disk-locked
> MGF> > processes
> MGF> > have DL (DL+) state... Well, then try something like
> MGF> >
> MGF> > ps ax -O ppid,flags,mwchan | awk '($6 ~ /^D/ || $6 == "STAT") && $3 !~
> MGF> > /^20.$/'
> MGF>
> MGF> Still nothing to show 4 blocked processes (where it is sitting right now):
> MGF>
> MGF> pluto# ps ax -O ppid,flags,mwchan | awk '($6 ~ /^D/ || $6 == "STAT") && $3
> MGF> !~ /^20.$/'
> MGF> PID PPID F MWCHAN TT STAT TIME COMMAND
>
> Hmm, which processes are in D state at all, then?
>
> ps ax -O ppid,flags,mwchan | awk '$6 ~ /^D/ || $6 == "STAT"'
# ps ax -O ppid,flags,mwchan | awk '$6 ~ /^D/ || $6 == "STAT"'
PID PPID F MWCHAN TT STAT TIME COMMAND
2 0 204 - ?? DL 0:22.83 [g_event]
3 0 204 - ?? DL 3:13.81 [g_up]
4 0 204 - ?? DL 4:10.38 [g_down]
5 0 204 - ?? DL 0:00.43 [thread taskq]
6 0 204 - ?? DL 0:00.00 [kqueue taskq]
7 0 204 - ?? DL 0:00.00 [acpi_task0]
8 0 204 - ?? DL 0:00.00 [acpi_task1]
9 0 204 - ?? DL 0:00.00 [acpi_task2]
10 0 204 ktrace ?? DL 0:00.00 [ktrace]
15 0 204 - ?? DL 0:37.74 [yarrow]
25 0 204 psleep ?? DL 0:36.57 [pagedaemon]
26 0 204 psleep ?? DL 0:00.00 [vmdaemon]
27 0 20c pgzero ?? DL 6:20.67 [pagezero]
28 0 204 psleep ?? DL 0:07.66 [bufdaemon]
29 0 204 vlruwt ?? DL 0:22.29 [vnlru]
30 0 204 syncer ?? DL 7:19.03 [syncer]
31 0 204 sdflus ?? DL 1:02.41 [softdepflush]
36 0 204 - ?? DL 3:20.45 [schedcpu]
87945 30418 4002 vnread pa DL+ 0:00.00 awk $6 ~ /^D/ || $6 == "STAT"
----
Marc G. Fournier Hub.Org Networking Services (http://www.hub.org)
Email . scrappy@hub.org MSN . scrappy@hub.org
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