Date: Sat, 28 Apr 2012 22:48:04 +0200 From: Albert Shih <Albert.Shih@obspm.fr> To: Alexander Motin <mav@FreeBSD.org> Cc: freebsd-stable@freebsd.org, Oliver Pinter <oliver.pntr@gmail.com> Subject: Re: High load event idl. Message-ID: <20120428204804.GA65903@pcjas.obspm.fr> In-Reply-To: <4F9B946D.3030607@FreeBSD.org> References: <20120427203013.GB60961@pcjas.obspm.fr> <CAPjTQNFsHZQLp8oMwhjkAWLnYZ5mPv9kr9=X5GhqHqExoHM0yw@mail.gmail.com> <20120427213459.GA61125@pcjas.obspm.fr> <4F9B946D.3030607@FreeBSD.org>
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Le 28/04/2012 ? 09:55:41+0300, Alexander Motin a écrit
> On 04/28/12 00:34, Albert Shih wrote:
> Definitely, because here I don't see much.
>
Thanks.
> Generally, all CPU loads and load averages now calculated via sampling,
> so theoretically with spiky load numbers may vary for many reasons. I
> would start from collecting information about running processes. To find
> fast switching processes that could hide from accounting try `top -SH -m
> io -o vcsw`. To get more information about scheduler work, use
> /usr/src/tools/sched/schedgraph.py (instruction inside it).
I recompile my kernel this night and tell you tommorow.
Here the result of top with those strange option ;-)
last pid: 25530; load averages: 0.52, 0.58, 0.57
up 0+01:06:40 22:43:54
156 processes: 3 running, 134 sleeping, 19 waiting
CPU: 0.0% user, 0.0% nice, 0.6% system, 0.0% interrupt, 99.4% idle
Mem: 67M Active, 52M Inact, 217M Wired, 11M Cache, 415M Buf, 3574M Free
Swap: 4096M Total, 4096M Free
PID USERNAME VCSW IVCSW READ WRITE FAULT TOTAL PERCENT COMMAND
11 root 277 513 0 0 0 0 0.00% idle{idle: cpu0}
12 root 246 3 0 0 0 0 0.00% intr{irq12: psm0}
25244 root 245 21 0 0 0 0 0.00% Xorg
12 root 220 0 0 0 0 0 0.00% intr{irq20: hpet0 uhc}
12 root 124 15 0 0 0 0 0.00% intr{swi4: clock}
12 root 65 1 0 0 0 0 0.00% intr{irq17: wpi0}
12 root 32 0 0 0 0 0 0.00% intr{swi4: clock}
11 root 21 390 0 0 0 0 0.00% idle{idle: cpu1}
0 root 20 0 0 0 0 0 0.00% kernel{fw0_taskq}
14 root 20 0 0 0 0 0 0.00% yarrow
25274 jas 15 0 0 0 0 0 0.00% ion3
25022 root 11 3 0 0 0 0 0.00% powerd
25372 jas 9 2 0 0 0 0 0.00% xterm
0 root 8 0 0 0 0 0 0.00% kernel{nvidia taskq}
12 root 6 0 0 0 0 0 0.00% intr{irq16: vgapci0}
25166 root 4 0 0 0 0 0 0.00% hald-addon-storage
12 root 4 0 0 0 0 0 0.00% intr{swi6: Giant task}
12 root 4 0 0 0 0 0 0.00% intr{irq1: atkbd0}
12 root 3 0 0 0 0 0 0.00% intr{irq14: ata0}
4 root 2 0 0 0 0 0 0.00% pfpurge
18 root 2 0 0 0 0 0 0.00% bufdaemon
20 root 2 0 0 0 0 0 0.00% syncer
21 root 2 0 0 0 0 0 0.00% softdepflush
25276 jas 2 0 0 0 0 0 0.00% ion-statusd
25526 jas 2 0 0 0 0 0 0.00% top
25345 jas 2 0 0 0 0 0 0.00% xterm
19 root 2 0 0 0 0 0 0.00% vnlru
25133 haldaemon 2 0 0 0 0 0 0.00% hald{hald}
12 root 2 0 0 0 0 0 0.00% intr{swi2: cambio}
25364 root 2 0 0 0 0 0 0.00% top
7 root 1 0 0 0 0 0 0.00% pagedaemon
15 root 1 0 0 0 0 0 0.00% usb{usbus6}
15 root 1 0 0 0 0 0 0.00% usb{usbus2}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25135 root 0 0 0 0 0 0 0.00% console-kit-daemon{console-kit-daem}
25133 haldaemon 0 0 0 0 0 0 0.00% hald{hald}
If I use juste top
last pid: 25545; load averages: 0.60, 0.60, 0.58
up 0+01:08:49 22:46:03
53 processes: 1 running, 52 sleeping
CPU: 0.6% user, 0.0% nice, 0.6% system, 0.0% interrupt, 98.8% idle
Mem: 67M Active, 52M Inact, 217M Wired, 11M Cache, 415M Buf, 3575M Free
Swap: 4096M Total, 4096M Free
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
25244 root 1 20 0 905M 36740K select 0 0:13 1.56% Xorg
25545 jas 1 20 0 16508K 2180K CPU1 1 0:00 0.59% top
25364 root 1 20 0 16508K 2176K select 0 0:13 0.39% top
25133 haldaemon 2 29 0 56264K 6196K piperd 0 0:12 0.00% hald
25145 root 1 20 0 44652K 3864K kqread 1 0:08 0.00% hald-addon-mouse-sy
25267 jas 1 26 0 28472K 3828K pause 0 0:04 0.00% xearth
25166 root 1 20 0 20812K 1932K select 1 0:03 0.00% hald-addon-storage
--
Albert SHIH
DIO bâtiment 15
Observatoire de Paris
5 Place Jules Janssen
92195 Meudon Cedex
Téléphone : 01 45 07 76 26/06 86 69 95 71
xmpp: jas@obspm.fr
Heure local/Local time:
sam 28 avr 2012 22:16:39 CEST
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