Thread: Arbitrary 100% Processor Usage
hello,
i'm having issue both of ubuntu machines seem arbitrarily eat of processor power when i'm not doing really.
i've got 2 laptops, both ubuntu. 1 10.10, other 11.10. both have fluxbox, transset, , xcompmgr installed. whey they're working properly, processor sits around 10 - 15 percent, more if i've got lots , lots of tabs open in opera or firefox or something. reason though, processor shoots 100% sometimes, , stays way hours. nothing provokes this. i've attatched 2 screenshots of conky, 1 each machine. @ time of writing, 10.10 machine (the 1 i'm writing on) behaving normally, can tell first screenshot. it's using less processor power other one, though it's running opera , fatrat. other machine, having been booted up, has nothing open aside shutter (which used conky screenshot, , should absolutely not eat 100% of processor power), , yet cpu load consistently between 95% , 100%. in experience, persists until arbitrarily stops. shutting down , rebooting don't remedy it, , killing processes reported using cpu doesn't remedy either.
screenshot of 10.10 machine running properly.
screenshot of 11.10 machine consuming 100% of processor power.
hope can shed light on problem, it's frustrating. below find output of top machine not working properly.
code:top - 16:41:49 42 min, 1 user, load average: 4.27, 3.52, 2.96 tasks: 130 total, 3 running, 127 sleeping, 0 stopped, 0 zombie cpu(s): 33.4%us, 22.7%sy, 42.6%ni, 0.7%id, 0.0%wa, 0.0%hi, 0.4%si, 0.0%st mem: 2050448k total, 1016272k used, 1034176k free, 71492k buffers swap: 2928636k total, 0k used, 2928636k free, 527688k cached pid user pr ni virt res shr s %cpu %mem time+ command 2300 root 39 19 188m 173m 6348 r 86 8.7 25:08.20 update-apt-xapi 3072 bonez 20 0 75700 5136 3840 s 39 0.3 7:01.47 conky 1379 root 20 0 67848 50m 10m r 38 2.5 14:05.14 xorg 3552 bonez 20 0 154m 14m 10m s 22 0.7 0:06.75 gnome-terminal 3634 bonez 20 0 2664 1108 832 r 5 0.1 0:00.45 top 442 messageb 20 0 4100 1932 1140 s 3 0.1 1:21.05 dbus-daemon 1276 root 20 0 24448 7040 1916 s 2 0.3 0:25.94 python 2844 root 20 0 0 0 0 s 2 0.0 0:17.28 kworker/1:0 3556 root 20 0 0 0 0 s 2 0.0 0:00.60 kworker/0:3 1359 root 20 0 14696 7496 3580 s 1 0.4 0:11.79 python 1908 bonez 20 0 11912 5300 4180 s 0 0.3 0:28.00 fluxbox 1952 bonez 20 0 264m 67m 25m s 0 3.4 3:09.55 cairo-dock 1957 bonez 20 0 3680 1096 856 s 0 0.1 0:17.27 xcompmgr 3296 root 20 0 0 0 0 s 0 0.0 0:03.28 kworker/0:0 1 root 20 0 3320 1888 1260 s 0 0.1 0:09.98 init 2 root 20 0 0 0 0 s 0 0.0 0:00.02 kthreadd 3 root 20 0 0 0 0 s 0 0.0 0:00.54 ksoftirqd/0 5 root 20 0 0 0 0 s 0 0.0 0:04.81 kworker/u:0 6 root rt 0 0 0 0 s 0 0.0 0:00.00 migration/0 7 root rt 0 0 0 0 s 0 0.0 0:00.00 migration/1 9 root 20 0 0 0 0 s 0 0.0 0:00.41 ksoftirqd/1 11 root 0 -20 0 0 0 s 0 0.0 0:00.00 cpuset 12 root 0 -20 0 0 0 s 0 0.0 0:00.00 khelper 13 root 0 -20 0 0 0 s 0 0.0 0:00.00 netns 15 root 20 0 0 0 0 s 0 0.0 0:00.05 sync_supers 16 root 20 0 0 0 0 s 0 0.0 0:00.00 bdi-default 17 root 0 -20 0 0 0 s 0 0.0 0:00.00 kintegrityd 18 root 0 -20 0 0 0 s 0 0.0 0:00.00 kblockd 19 root 0 -20 0 0 0 s 0 0.0 0:00.00 ata_sff 20 root 20 0 0 0 0 s 0 0.0 0:00.13 khubd 21 root 0 -20 0 0 0 s 0 0.0 0:00.00 md 23 root 20 0 0 0 0 s 0 0.0 0:00.00 khungtaskd 24 root 20 0 0 0 0 s 0 0.0 0:00.00 kswapd0 25 root 25 5 0 0 0 s 0 0.0 0:00.00 ksmd 26 root 39 19 0 0 0 s 0 0.0 0:00.00 khugepaged 27 root 20 0 0 0 0 s 0 0.0 0:00.01 fsnotify_mark 28 root 20 0 0 0 0 s 0 0.0 0:00.00 ecryptfs-kthrea 29 root 0 -20 0 0 0 s 0 0.0 0:00.00 crypto 37 root 0 -20 0 0 0 s 0 0.0 0:00.00 kthrotld 47 root 20 0 0 0 0 s 0 0.0 0:00.01 scsi_eh_0
update-apt-xapi known hight cpu usage - lots of bugs reports on launchpad. runs after start up, , takes few minutes complete. either let be, or remove apt-xapian-index package entirely.
according top output, conky gross offender (might responsible xorg cpu usage), might want remove either.
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