Re: system time on top output

2009-02-05 Thread Bruce Cran
On Thu, 5 Feb 2009 00:00:35 +0200
Omer Faruk Sen omerf...@gmail.com wrote:

 Hi,
 
 I have a running pgsql server but on heavy loads it consumes lots of
 time in system (more than %50). I can see that
 
 CPU states: 15.4% user,  0.0% nice, 81.9% system,  1.5% interrupt,
 1.2% idle
 
 But how can I debug that kind of system. vmstat and other tools only
 show most cpu is used by system. But how can I go deeper and debug
 that kind of a problem?
 Any tools that you can suggest me?

I've not used it, but I believe DTrace is probably the best tool to
find the cause of the problem.  It's in 7.1 and later.

-- 
Bruce
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system time on top output

2009-02-04 Thread Omer Faruk Sen
Hi,

I have a running pgsql server but on heavy loads it consumes lots of
time in system (more than %50). I can see that

CPU states: 15.4% user,  0.0% nice, 81.9% system,  1.5% interrupt,  1.2% idle

But how can I debug that kind of system. vmstat and other tools only
show most cpu is used by system. But how can I go deeper and debug
that kind of a problem?
Any tools that you can suggest me?
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