Date: Thu, 5 Feb 2009 17:20:00 +0000 From: Bruce Cran <bruce@cran.org.uk> To: Omer Faruk Sen <omerfsen@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: system time on top output Message-ID: <20090205172000.130a8079@gluon> In-Reply-To: <75a268720902041400p1db8057bn726907d102efe88c@mail.gmail.com> References: <75a268720902041400p1db8057bn726907d102efe88c@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, 5 Feb 2009 00:00:35 +0200 Omer Faruk Sen <omerfsen@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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20090205172000.130a8079>