Re: Weird memory usage, performance problem with 6.1_STABLE

[Mark Davies <mark%ecs.vuw.ac.nz@localhost>]

On Fri, 20 Sep 2013, Lars Heidieker wrote:
> Can you see which kernel thread causes high CPU usage by showing
> lwps in top? (t toggles those modes)

149 threads: 25 idle, 118 sleeping, 6 on CPU
Memory: 15G Act, 15M Wired, 28M Exec, 15G File, 4620K Free
Swap: 8192M Total, 8192M Free

  PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      
COMMAND
    0    81 root     221 CPU/0     24:19 93.60% 93.60% pgdaemon  
[system]
13362     1 root     116 tstile/4   6:09 19.58% 19.58% -         ftpd
17398     1 root     221 tstile/2   8:26 18.07% 18.07% -         ftpd
14648     1 root     116 tstile/1   4:15 16.41% 16.41% -         ftpd


> or even better try:
> systat vm 1
> and check for page scan rates etc.

When it was in the above state  pdscn was reporting around 95000, 
pdfre was 0.   With just one ftp going both pdfre and pdscn report 
values in the range 7000 - 14000


cheers
mark