Re: Performance (CPU use)

Mon, 24 Oct 2011 05:08:00 -0700 

On 10/24/11 2:01 PM, Zigor Salvador wrote:

Hi,

I'm back with some more results.

This is the typical load I'm seeing in the system when communication throughput 
with MINA is maxed out.
Strange. It seems like you only have one CPU working at 100% (CPU 9), like if it does all the work. 

I notice I'm only using around 10% of the available processing power.

Zigor.

top - 13:56:05 up  2:49,  2 users,  load average: 0.28, 0.12, 0.14
Tasks: 196 total,   2 running, 194 sleeping,   0 stopped,   0 zombie
Cpu0  :  0.3%us,  0.0%sy,  0.0%ni, 98.3%id,  0.0%wa,  0.0%hi,  1.3%si,  0.0%st
Cpu1  :  4.5%us,  4.2%sy,  0.0%ni, 91.3%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu2  :  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu3  :  3.5%us,  4.1%sy,  0.0%ni, 92.4%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu4  :  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu5  :  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu6  :  0.3%us,  0.0%sy,  0.0%ni, 99.7%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu7  :  0.3%us,  0.3%sy,  0.0%ni, 99.4%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu8  :  0.7%us,  0.0%sy,  0.0%ni, 99.3%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu9  : 92.7%us,  5.0%sy,  0.0%ni,  1.0%id,  0.0%wa,  0.0%hi,  1.3%si,  0.0%st
Cpu10 :  0.3%us,  0.0%sy,  0.0%ni, 99.7%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu11 :  0.3%us,  0.0%sy,  0.0%ni, 99.7%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu12 :  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu13 :  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu14 : 14.0%us,  8.5%sy,  0.0%ni, 77.5%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu15 :  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:  24677232k total,  1123960k used, 23553272k free,    26644k buffers
Swap: 25101524k total,        0k used, 25101524k free,   285016k cached

   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
  3015 zigor     20   0 16.3g 171m 9808 S  9.2  0.7  17:28.95 java
    33 root      20   0     0    0    0 S  0.0  0.0   0:01.04 kworker/9:0
   178 root      20   0     0    0    0 S  0.0  0.0   0:00.09 kworker/6:1
  1571 zigor     20   0 27380 3068  868 S  0.0  0.0   0:03.34 dbus-daemon
  1691 zigor     20   0  198m  12m 9500 S  0.0  0.1   0:00.97 metacity
  1766 zigor     20   0  374m  19m  10m S  0.0  0.1   0:01.84 unity-panel-ser
  3456 zigor     20   0 21568 1532 1084 R  0.0  0.0   0:01.60 top
     1 root      20   0 24184 2276 1344 S  0.0  0.0   0:02.34 init
     2 root      20   0     0    0    0 S  0.0  0.0   0:00.00 kthreadd
     3 root      20   0     0    0    0 S  0.0  0.0   0:00.20 ksoftirqd/0
     6 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 migration/0
     7 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 migration/1
     8 root      20   0     0    0    0 S  0.0  0.0   0:00.00 kworker/1:0
     9 root      20   0     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/1
    10 root      20   0     0    0    0 S  0.0  0.0   0:01.82 kworker/0:1
    11 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 migration/2



--
Regards,
Cordialement,
Emmanuel Lécharny
www.iktek.com

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