mysql hiding from top

[Chuck Swiger]

On Apr 27, 2009, at 10:22 AM, Zbigniew Szalbot wrote:
>   PID USERNAME  THR PRI NICE   SIZE    RES STATE  C   TIME   WCPU  
> COMMAND
[ ... ]
> 32906 mysql      37   4    0 76636K 41664K sbwait 1   0:00  0.10%  
> mysqld
>
> It does appear at times but it is showing 0:00 TIME. But compare it  
> to the
> same mysql pid below:
>
> $ ps ax |grep mysql
> 32906  p0- S      1:41.77 /usr/local/libexec/mysqld
>
> This is what I find strange... :)

Ah-- I've heard rumors that top or something doesn't handle accounting  
for CPU time used by multithreaded processes very well...

-- 
-Chuck