Date: Mon, 26 Jun 2006 08:29:28 -0300 (ADT) From: "Marc G. Fournier" <scrappy@hub.org> To: freebsd-stable@freebsd.org Subject: Re: leaking blocked processes in vmstat ... how to debug? Message-ID: <20060626082906.T1114@ganymede.hub.org> In-Reply-To: <20060626080344.X1114@ganymede.hub.org> References: <20060626080344.X1114@ganymede.hub.org>
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Up to 48 right now, and still nothing to show for it ... On Mon, 26 Jun 2006, Marc G. Fournier wrote: > > k, this is getting ridiculous ... I'm going to upgrade my kernel to something > a bit newer then May 25th, which may (or may not) fix it, but: > > 0 28 0 8015508 175352 53 3 4 2 584 0 90 0 471 2299 1210 6 8 > 86 > 0 28 0 8016704 174416 82 0 0 0 77 0 36 0 350 2191 1155 8 6 > 86 > 1 28 0 8016772 167640 84 1 7 0 71 0 63 0 455 3119 1299 31 8 > 61 > 0 28 0 8014456 166416 95 0 1 0 123 0 50 0 480 3463 1733 19 8 > 73 > > 28 blocked processes, according to the above, but according to ps, this is > all that is blocked, and the system ones seem to be the exact same ones > blocked on another system with only '6 blocked', and another with only '3 > blocked', so I'm guessing those ones *aren't* counted in vmstat: > > # ps ax -O ppid,flags,mwchan | awk '$6 ~ /^D/ || $6 == "STAT"' > PID PPID F MWCHAN TT STAT TIME COMMAND > 2 0 204 - ?? DL 0:03.20 [g_event] > 3 0 204 - ?? DL 0:29.32 [g_up] > 4 0 204 - ?? DL 0:40.29 [g_down] > 5 0 204 - ?? DL 0:00.00 [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 0:03.29 [yarrow] > 25 0 204 psleep ?? DL 0:13.55 [pagedaemon] > 26 0 204 psleep ?? DL 0:00.00 [vmdaemon] > 27 0 20c pgzero ?? DL 0:53.21 [pagezero] > 28 0 204 psleep ?? DL 0:00.81 [bufdaemon] > 29 0 204 vlruwt ?? DL 0:03.90 [vnlru] > 30 0 204 syncer ?? DL 0:59.74 [syncer] > 31 0 204 sdflus ?? DL 0:02.90 [softdepflush] > 36 0 204 - ?? DL 0:26.21 [schedcpu] > 8803 8724 4002 biord p6 D+ 0:10.28 cvsup -L 1 -g /root/src > > So, where are the 28 blocked processes? And its climbing ... I have a > 'vmstat 5' running right now, and its up to 30, but same process listing > (minus the cvsup this time) ... leakage somewhere? Is there any way to debug > this? > > ---- > Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) > Email . scrappy@hub.org MSN . scrappy@hub.org > Yahoo . yscrappy Skype: hub.org ICQ . 7615664 > ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email . scrappy@hub.org MSN . scrappy@hub.org Yahoo . yscrappy Skype: hub.org ICQ . 7615664
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