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2.4 CPU usage unusually high
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Topic: 2.4 CPU usage unusually high (Read 50765 times)
wjstone
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Posts: 20
2.4 CPU usage unusually high
«
on:
Sunday 30 May 2010, 07:17:56 am »
Just installed 2.4 on a brand new Foxconn Atom board with 1 gig of RAM. With no services turned on except for DHCP the CPU usage on both processors is sitting at 97%, RAM usage is 9%. Anyone else having this problem? Not sure why the CPU would be so high.
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wjstone
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Posts: 20
Re: 2.4 CPU usage unusually high
«
Reply #1 on:
Sunday 30 May 2010, 08:17:19 am »
Followed the directions here
http://efwsupport.com/index.php?topic=1341.msg3230#msg3230
and that seems to have solved it. Currently i'm using 15% of one cpu and 9% of the other.
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arminf
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Posts: 56
Re: 2.4 CPU usage unusually high
«
Reply #2 on:
Sunday 30 May 2010, 09:11:49 am »
WJstone
help me please along the way
use console
Edit the /usr/local/bin/rrdfix.sh script and remove the /var/ntop from the DIRS variable.
run rrdfix.sh script
thats it or did i miss something?
thanks!
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wjstone
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Posts: 20
Re: 2.4 CPU usage unusually high
«
Reply #3 on:
Sunday 30 May 2010, 09:21:11 am »
that should do it, I didn't notice a difference until I rebooted the firewall.
Good luck
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arminf
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Posts: 56
Re: 2.4 CPU usage unusually high
«
Reply #4 on:
Sunday 30 May 2010, 09:27:38 pm »
top - 13:22:23 up 24 min, 1 user, load average: 6.30, 5.23, 4.06
Tasks: 136 total, 1 running, 135 sleeping, 0 stopped, 0 zombie
Cpu(s): 5.5%us, 1.5%sy, 0.0%ni, 1.0%id,
92.1%wa,
0.0%hi, 0.0%si, 0.0%st
Mem: 2067104k total, 478012k used, 1589092k free, 11652k buffers
Swap: 524280k total, 0k used, 524280k free, 112948k cached
what is "wa" which is most of time on +90%?
CPU is still on 100% most of the time.
IPS switched off
InternZone FW traffic Green to Green 60 MB
IPS switched on
InternZone FW traffic Green to Green
3.95 MB
InterZone traffice options "allow", "allow with IPS" -> does not change the result.
ONLY switching IPS off...
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arminf
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Posts: 56
Re: 2.4 CPU usage unusually high
«
Reply #5 on:
Sunday 30 May 2010, 11:43:43 pm »
Still high CPU
rrdfix didnt worked for me.
WA is taking most of ressources. can somebody explain what it is?
thanks Gents!
login as: root
root@192.168.1.1
's password:
root@gateway:~ # top
top - 15:42:03 up 11 min, 1 user, load average: 3.94, 3.60, 2.02
Tasks: 136 total, 1 running, 135 sleeping, 0 stopped, 0 zombie
Cpu(s): 5.2%us, 1.3%sy, 0.0%ni, 21.6%id,
71.9%wa,
0.0%hi, 0.0%si, 0.0%st
Mem: 2067104k total, 450924k used, 1616180k free, 9772k buffers
Swap: 524280k total, 0k used, 524280k free, 110412k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5175 root 20 0 132m 29m 3248 S 11 1.5 0:53.46 emi
4702 root 20 0 102m 2504 1248 S 1 0.1 0:09.09 collectd
6 root 15 -5 0 0 0 S 0 0.0 0:00.09 ksoftirqd/1
2679 root 20 0 2524 1156 540 S 0 0.1 0:01.06 syslog-ng
3765 root 20 0 17456 5660 952 S 0 0.3 0:00.53 monit
6450 root 20 0 0 0 0 D 0 0.0 0:00.11 pdflush
6872 nobody 20 0 5700 2172 1412 S 0 0.1 0:00.45 httpd
7386 root 20 0 2000 1060 784 R 0 0.1 0:00.07 top
1 root 20 0 1508 568 480 S 0 0.0 0:00.68 init
2 root 15 -5 0 0 0 S 0 0.0 0:00.00 kthreadd
3 root RT -5 0 0 0 S 0 0.0 0:00.01 migration/0
4 root 15 -5 0 0 0 S 0 0.0 0:28.38 ksoftirqd/0
5 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/1
7 root 15 -5 0 0 0 S 0 0.0 0:00.85 events/0
8 root 15 -5 0 0 0 S 0 0.0 0:00.00 events/1
9 root 15 -5 0 0 0 S 0 0.0 0:00.01 khelper
61 root 15 -5 0 0 0 S 0 0.0 0:00.40 kblockd/0
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arminf
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Posts: 56
Re: 2.4 CPU usage unusually high
«
Reply #6 on:
Monday 31 May 2010, 03:07:18 am »
1. us -> User CPU time: The time the CPU has spent running users’ processes that are not niced.
2. sy -> System CPU time: The time the CPU has spent running the kernel and its processes.
3. ni -> Nice CPU time: The time the CPU has spent running users’ proccess that have been niced.
4. wa -> iowait: Amount of time the CPU has been waiting for I/O to complete.
5. hi -> Hardware IRQ: The amount of time the CPU has been servicing hardware interrupts.
6. si -> Software Interrupts.: The amount of time the CPU has been servicing software interrupts.
can i somewhere check which I/os are waiting?
Some say its a disk issue..
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wjstone
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Posts: 20
Re: 2.4 CPU usage unusually high
«
Reply #7 on:
Monday 31 May 2010, 01:59:49 pm »
What sort of disk are you using? Some kind of solid state, or compact flash?
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arminf
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Posts: 56
Re: 2.4 CPU usage unusually high
«
Reply #8 on:
Monday 31 May 2010, 03:36:18 pm »
Hi WJStone
its a cf card 133 DMA speed.
was not a problem with 2.3
But i am thinking to put a SSD in if this is the case.
Its mostly the %wa state. Funny is as soon as i start copying from green to green wa% goes down.
thanks!
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arminf
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Posts: 56
Re: 2.4 CPU usage unusually high
«
Reply #9 on:
Tuesday 01 June 2010, 02:19:26 am »
As soon the box is rebooted and got "nothing to do" WA state goes high.
When i start copy, streaming, downloading the state goes down. as soon as i finished it raises up again
here CPU states
right after reboot
Cpu(s):
89.4%us,
10.1%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.2%hi, 0.3%si, 0.0%st
Mem: 2067104k total, 325384k used, 1741720k free, 8112k buffers
Swap: 524280k total, 0k used, 524280k free, 138320k cached
6 Minutes uptime WA starts
top - 01:06:32 up 6 min, 1 user, load average: 3.14, 2.77, 1.32
Tasks: 136 total, 1 running, 135 sleeping, 0 stopped, 0 zombie
Cpu(s): 4.8%us, 1.8%sy, 0.0%ni, 3.8%id,
89.6%wa
, 0.0%hi, 0.0%si, 0.0%st
Mem: 2067104k total, 457144k used, 1609960k free, 9852k buffers
Swap: 524280k total, 0k used, 524280k free, 117272k cached
while copy green to green (SNORT enabled = 6 MB speed :-( )
top - 17:36:52 up 10 min, 1 user, load average: 6.38, 4.11, 2.17
Tasks: 152 total, 3 running, 147 sleeping, 0 stopped, 2 zombie
Cpu(s):
85.2%us,
7.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.5%hi, 7.3%si, 0.0%st
Mem: 2067104k total, 476232k used, 1590872k free, 10676k buffers
Swap: 524280k total, 0k used, 524280k free, 121944k cached
right after copy
top - 17:40:48 up 14 min, 1 user, load average: 2.95, 4.62, 2.91
Tasks: 130 total, 1 running, 129 sleeping, 0 stopped, 0 zombie
Cpu(s): 50.0%us, 1.0%sy, 0.0%ni, 37.7%id, 11.3%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 2067104k total, 549624k used, 1517480k free, 11872k buffers
Swap: 524280k total, 0k used, 524280k free, 125580k cached
changing SNORT rule (deactivate TOR ruleset)
top - 17:44:41 up 18 min, 1 user, load average: 1.72, 2.92, 2.58
Tasks: 133 total, 5 running, 128 sleeping, 0 stopped, 0 zombie
Cpu(s):
96.2%us,
3.8%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 2067104k total, 455636k used, 1611468k free, 12568k buffers
Swap: 524280k total, 0k used, 524280k free, 126116k cached
After SNORT rule change and reboot
while copy
(42 MB speed :-) )
top - 18:00:52 up 10 min, 1 user, load average: 1.48, 1.69, 1.11
Tasks: 131 total, 2 running, 129 sleeping, 0 stopped, 0 zombie
Cpu(s): 48.1%us, 1.8%sy, 0.0%ni, 0.0%id, 0.0%wa, 1.5%hi, 48.6%si, 0.0%st
Mem: 2067104k total, 437776k used, 1629328k free, 9816k buffers
Swap: 524280k total, 0k used, 524280k free, 100832k cached
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arminf
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Posts: 56
Re: 2.4 CPU usage unusually high
«
Reply #10 on:
Tuesday 01 June 2010, 02:41:00 am »
top - 18:39:59 up 49 min, 1 user, load average: 5.47, 4.88, 3.79
Tasks: 135 total, 1 running, 134 sleeping, 0 stopped, 0 zombie
Cpu(s): 6.3%us, 1.8%sy, 0.0%ni, 0.0%id
, 91.9%wa,
0.0%hi, 0.0%si, 0.0%st
Mem: 2067104k total, 473128k used, 1593976k free, 16108k buffers
Swap: 524280k total, 0k used, 524280k free, 119848k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5091 root 20 0 132m 30m 3248 S 14 1.5 6:23.97 emi
4709 root 20 0 102m 2672 1248 S 2 0.1 25:34.11 collectd
wwhat is emi? this could be the one makng trouble...
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arminf
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Posts: 56
Re: 2.4 CPU usage unusually high
«
Reply #11 on:
Tuesday 01 June 2010, 04:31:28 am »
Tasks: 134 total, 1 running, 132 sleeping, 0 stopped, 1 zombie
Cpu(s): 6.0%us, 2.3%sy, 0.0%ni, 16.1%id
, 75.5%wa
, 0.0%hi, 0.2%si, 0.0%st
Mem: 2067104k total, 490964k used, 1576140k free, 28592k buffers
Swap: 524280k total, 0k used, 524280k free, 123384k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5091 root 20 0 132m 30m 3260 S 13 1.5 8:46.03 emi
4709 root 20 0 103m 2704 1248 S 3 0.1 26:38.66 collectd
still same both processes are open.
somebody has a clue?
thanks!!
still same....
top - 20:56:52 up 3:06, 1 user, load average: 7.11, 5.25, 4.48
Tasks: 138 total, 1 running, 135 sleeping, 0 stopped, 2 zombie
Cpu(s): 6.1%us, 2.2%sy, 0.0%ni, 0.0%id
, 91.6%wa,
0.0%hi, 0.2%si, 0.0%st
Mem: 2067104k total, 578684k used, 1488420k free, 31704k buffers
Swap: 524280k total, 0k used, 524280k free, 124684k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4709 root 20 0 103m 2752 1248 S 3 0.1 27:11.50 collectd
5091 root 20 0 132m 30m 3260 S 14 1.5 11:50.74 emi
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arminf
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Posts: 56
Re: 2.4 CPU usage unusually high
«
Reply #12 on:
Tuesday 01 June 2010, 05:05:46 am »
ok
EMI = endian management interface (webserver GUI) ??
collectd
http://bugs.endian.com/view.php?id=2585
collectd is a lighweight, modular daemon that collects system performance data
Dashboard?
so better close the admin gui to safe resources ?!? :-S
collectd is running most of time (schedule for perfomance checking?) together with monit
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arminf
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Posts: 56
Re: 2.4 CPU usage unusually high
«
Reply #13 on:
Tuesday 01 June 2010, 05:09:52 am »
High Percentage in %id CPU State
Programs which make use of CPU Idle Time mean that they run at a low priority so as not to impact programs that run at normal priority. Many programs that use CPU idle time cause the CPU to always be 100% utilized, so that the time spent where the CPU would have been idle is instead spent performing useful computations.
This generally causes the CPU to consume more power as most modern CPUs can enter power-save modes when they are idle
.
Not good for an ATOM CPU....
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arminf
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Posts: 56
Re: 2.4 CPU usage unusually high
«
Reply #14 on:
Tuesday 01 June 2010, 03:59:34 pm »
top - 07:58:47 up 14:08, 1 user, load average: 6.44, 5.58, 3.66
Tasks: 136 total, 1 running, 135 sleeping, 0 stopped, 0 zombie
Cpu(s): 6.1%us, 2.5%sy, 0.0%ni, 0.0%id,
91.2%wa,
0.0%hi, 0.2%si, 0.0%st
Mem: 2067104k total, 657752k used, 1409352k free, 99532k buffers
Swap: 524280k total, 0k used, 524280k free, 187856k cached
still high cpu consumption..
any idea?
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