High INTERRUPT rate on CPU 0
neutral neutral
ptr.neutral at gmail.com
Tue Nov 17 20:56:28 UTC 2009
Hello,
Yesterday I get a fresh install of FreeBSD 8.0 RC3 Current. However just
some hours after the installation the machine began very slow/laggy.
$ top -P CC
(...)
last pid: 1460; load averages: 0.01, 0.08,
0.07 up 0+00:11:00 08:28:59
100 processes: 1 running, 99 sleeping
CPU 0: 0.0% user, 0.0% nice, 0.0% system, 81.9% interrupt, 18.1% idle
CPU 1: 1.1% user, 0.0% nice, 3.2% system, 0.0% interrupt, 95.7% idle
Mem: 160M Active, 141M Inact, 143M Wired, 1512K Cache, 112M Buf, 2525M Free
Swap: 4096M Total, 4096M Free
$ top -S
last pid: 1457; load averages: 0.08, 0.13,
0.08 up 0+00:07:59 08:25:58
177 processes: 4 running, 157 sleeping, 16 waiting
CPU: 0.8% user, 0.0% nice, 1.2% system, 37.8% interrupt, 60.2% idle
Mem: 158M Active, 127M Inact, 149M Wired, 1484K Cache, 112M Buf, 2534M Free
Swap: 4096M Total, 4096M Free
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
11 root 2 171 ki31 0K 16K RUN 0 8:38 112.16% idle
12 root 17 -64 - 0K 136K WAIT 0 5:39 77.29% intr
1405 hender 11 44 0 116M 86380K ucond 1 0:11 1.86%
firefox-bin
1259 root 1 44 0 322M 316M select 1 0:10 0.00% Xorg
3 root 1 -8 - 0K 8K - 1 0:02 0.00% g_up
4 root 1 -8 - 0K 8K - 1 0:01 0.00% g_down
1440 hender 1 44 0 136M 14468K select 1 0:01 0.00%
npviewer.bin
13 root 1 44 - 0K 8K - 1 0:01 0.00% yarrow
1432 hender 2 44 0 37584K 19268K piperd 1 0:01 0.00%
gnome-terminal
1345 hender 1 44 0 19712K 14204K select 1 0:01 0.00%
metacity
1348 hender 1 44 0 49048K 25112K select 1 0:01 0.00%
nautilus
1390 root 1 48 4 3300K 1084K biord 1 0:01 0.00%
fsck_ufs
1347 hender 1 44 0 34164K 20608K select 1 0:00 0.00%
gnome-panel
1370 hender 1 44 0 33148K 18024K select 1 0:00 0.00%
wnck-applet
1331 hender 1 44 0 8588K 5552K select 1 0:00 0.00%
gconfd-2
1337 hender 2 44 0 94612K 15776K piperd 1 0:00 0.00%
gnome-settings-daem
1201 haldaemon 1 44 0 7236K 4920K select 1 0:00 0.00% hald
1380 hender 1 44 0 32300K 22552K select 1 0:00 0.00%
clock-applet
1342 hender 1 44 0 6308K 3236K select 1 0:00 0.00%
gam_server
575 root 1 44 0 3448K 1136K select 1 0:00 0.00% moused
17 root 1 44 - 0K 8K syncer 1 0:00 0.00% syncer
1352 hender 1 44 0 26804K 18844K select 1 0:00 0.00%
gnome-power-manager
19 root 1 44 - 0K 8K biord 1 0:00 0.00%
softdepflush
1308 hender 2 52 0 21768K 11932K piperd 1 0:00 0.00%
gnome-session
958 messagebus 1 44 0 3500K 2176K select 1 0:00 0.00%
dbus-daemon
1350 hender 2 46 0 19240K 6896K select 1 0:00 0.00%
bonobo-activation-s
1247 root 1 44 0 3804K 1700K ATA re 0 0:00 0.00%
hald-addon-storage
14 root 32 -64 - 0K 256K - 0 0:00 0.00% usb
1381 hender 1 44 0 22044K 14568K select 1 0:00 0.00%
notification-area-a
1354 hender 1 44 0 87032K 14120K select 1 0:00 0.00%
gnome-volume-contro
0 root 9 -68 0 0K 64K - 1 0:00 0.00% kernel
1318 hender 1 44 0 3500K 2056K select 1 0:00 0.00%
dbus-daemon
16 root 1 44 - 0K 8K psleep 1 0:00 0.00%
bufdaemon
1328 hender 1 44 0 19320K 12456K select 1 0:00 0.00%
seahorse-agent
1087 avahi 1 44 0 5092K 2536K select 1 0:00 0.00%
avahi-daemon
1258 root 1 45 0 7588K 4312K select 1 0:00 0.00%
gdm-simple-slave
1372 hender 2 44 0 7764K 4116K piperd 0 0:00 0.00%
gvfs-hal-volume-mon
1368 hender 1 44 0 6688K 4000K select 1 0:00 0.00%
gvfsd-trash
1204 root 17 44 0 14532K 4668K waitvt 1 0:00 0.00%
console-kit-daemon
1205 root 1 44 0 5928K 2752K select 1 0:00 0.00%
hald-runner
1297 root 1 44 0 7696K 3804K select 1 0:00 0.00%
gdm-session-worker
1073 root 1 44 0 7504K 3688K select 1 0:00 0.00%
gdm-binary
2 root 1 -8 - 0K 8K GEOM t 1 0:00 0.00% g_event
1333 hender 1 44 0 6468K 3268K select 1 0:00 0.00% gvfsd
1374 hender 1 44 0 7304K 3944K select 1 0:00 0.00%
gvfs-gphoto2-volume
779 root 1 44 0 3344K 1312K select 1
$ systat -vmstat
2 users Load 0.15 0.22 0.10 Nov 17 18:16
Mem:KB REAL VIRTUAL VN PAGER SWAP
PAGER
Tot Share Tot Share Free in out in
out
Act 182280 25972 743712 36292 2679304 count
All 232564 40544 3238872 56908 pages
Proc: Interrupts
r p d s w Csw Trp Sys Int Sof Flt cow 93416 total
94 180k 197 1509 89k 205 19 12 zfod atkbd0
1
ozfod psm0
irq12
0.2%Sys 40.3%Intr 0.5%User 0.0%Nice 58.9%Idle %ozfod
fwohci0+ 1
| | | | | | | | | | | daefr 89400 uhci2
ehci
++++++++++++++++++++> prcfr 20 uhci3
ehci
919 dtbuf 292 totfr 1998 cpu0:
time
Namei Name-cache Dir-cache 100000 desvn react mskc0
256
Calls hits % hits % 8091 numvn pdwak 1998 cpu1:
time
1221 1221 100 1082 frevn pdpgs
intrn
Disks ad4 ad8 146440 wire
KB/t 0.00 15.96 135892 act
tps 0 141 79928 inact
MB/s 0.00 2.21 1988 cache
%busy 0 100 2677300 free
2 users Load 0.12 0.21 0.10 Nov 17 18:16
Mem:KB REAL VIRTUAL VN PAGER SWAP
PAGER
Tot Share Tot Share Free in out in
out
Act 183688 25972 746272 36292 2680552 count
All 233988 40544 3241432 56908 pages
Proc: Interrupts
r p d s w Csw Trp Sys Int Sof Flt cow 92797 total
94 179k 2877 4010 88k 202 2292 2291 zfod atkbd0
1
ozfod psm0
irq12
1.7%Sys 40.5%Intr 3.7%User 0.0%Nice 54.2%Idle %ozfod
fwohci0+ 1
| | | | | | | | | | | daefr 88736 uhci2
ehci
=++++++++++++++++++++>> prcfr 63 uhci3
ehci
72 dtbuf 3268 totfr 1999 cpu0:
time
Namei Name-cache Dir-cache 100000 desvn react mskc0
256
Calls hits % hits % 8091 numvn pdwak 1999 cpu1:
time
793 793 100 1083 frevn pdpgs
intrn
Disks ad4 ad8 139872 wire
KB/t 0.00 15.98 137304 act
tps 0 142 83820 inact
MB/s 0.00 2.22 1592 cache
%busy 0 99 2678960 free
$ vmstat -i
interrupt total rate
irq1: atkbd0 201 0
irq12: psm0 9 0
irq16: fwohci0+ 2 0
irq19: uhci2 ehci* 25229879 89151
irq23: uhci3 ehci1 4852 17
cpu0: timer 565386 1997
irq256: mskc0 389 1
cpu1: timer 562755 1988
Total 26363473 93157
$
$ dmesg | grep uhci2
uhci2: <Intel 82801I (ICH9) U$ dmesg | grep uhci2
uhci2: <Intel 82801I (ICH9) USB controller> port 0x1840-0x185f irq 19 at
device 26.2 on pci0
uhci2: [ITHREAD]
uhci2: LegSup = 0x0010
usbus2: <Intel 82801I (ICH9) USB controller> on uhci2
SB controller> port 0x1840-0x185f irq 19 at device 26.2 on pci0
uhci2: [ITHREAD]
uhci2: LegSup = 0x0010
usbus2: <Intel 82801I (ICH9) USB controller> on uhci2
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