kernel 3.2.13 grsec 64:

top - 19:13:09 up  6:15,  1 user,  load average: 0.03, 0.03, 0.05
Tasks: 105 total,   1 running, 104 sleeping,   0 stopped,   0 zombie
Cpu(s): 1.3%us, 2.1%sy, 0.0%ni, 79.7%id, 0.1%wa, 0.0%hi, 16.8%si, 0.0%st
Mem:   7914788k total,  3255420k used,  4659368k free,    44724k buffers
Swap:   523260k total,        0k used,   523260k free,  2865856k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
23095 haproxy   20   0 73144  53m  496 S   17  0.7   0:12.22 haproxy
 2586 root      20   0 38272 4116 1012 S    5  0.1   2:54.50 floodmon
 2399 root      20   0  125m 1508 1096 S    2  0.0   5:26.85 rsyslogd
23101 root      20   0 19112 1300  916 R    0  0.0   0:00.10 top
    1 root      20   0  8396  760  632 S    0  0.0   0:01.12 init
        
reboot with kernel 3.8.13 grsec 64:
        
top - 19:23:22 up 8 min,  1 user,  load average: 0.20, 0.19, 0.12
Tasks: 110 total,   1 running, 109 sleeping,   0 stopped,   0 zombie
Cpu(s): 0.9%us, 1.9%sy, 0.0%ni, 80.8%id, 0.1%wa, 0.0%hi, 16.4%si, 0.0%st
Mem:   7912412k total,   382768k used,  7529644k free,     5288k buffers
Swap:   523260k total,        0k used,   523260k free,    94876k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 2773 haproxy   20   0  104m  77m  596 S   13  1.0   1:14.99 haproxy
 3017 root      20   0 38276 4116 1012 S    3  0.1   0:03.22 floodmon
 2772 root      20   0  124m 1524 1096 S    1  0.0   0:08.09 rsyslogd
    1 root      20   0  8400  760  632 S    0  0.0   0:00.58 init
    2 root      20   0     0    0    0 S    0  0.0   0:00.00 kthreadd

reboot again with 3.2.13 grsec 64:

top - 19:41:41 up 5 min,  1 user,  load average: 0.04, 0.06, 0.04
Tasks: 103 total,   2 running, 101 sleeping,   0 stopped,   0 zombie
Cpu(s): 0.4%us, 2.0%sy, 0.0%ni, 82.6%id, 0.1%wa, 0.0%hi, 15.0%si, 0.0%st
Mem:   7914788k total,   369548k used,  7545240k free,     4976k buffers
Swap:   523260k total,        0k used,   523260k free,    72872k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 2430 haproxy   20   0  132m  90m  596 R   10  1.2   0:46.42 haproxy
 2622 root      20   0 38272 4116 1012 S    4  0.1   0:02.46 floodmon
 2421 root      20   0  124m 1396 1092 S    1  0.0   0:05.15 rsyslogd
    1 root      20   0  8396  760  632 S    0  0.0   0:01.00 init
    2 root      20   0     0    0    0 S    0  0.0   0:00.00 kthreadd



Le 16/05/2013 18:39, Lukas Tribus a écrit :
Hi,

%CPU ( %us, %sy ... )is the same than before, only the load average has
increased.

Uhrm, I'm not sure how this is possible. What was the load average before
the upgrade exactly? Please post the first 5 lines of top with the new
kernel.

Also, if you can boot the old kernel once, let it run for a few minutes
and post a complete top from old and the new kernel, that would probably
give as a better idea of what exactly the difference is.


Lukas                                   



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