Tom Lane wrote:
> "Scott Carey" <scott@richrelevance.com> writes:
> > DTrace is available now on MacOSX, Solaris 10, OpenSolaris, and FreeBSD.
> > Linux however is still in the dark ages when it comes to system monitoring,
> > especially with I/O.
>
> Oh, after poking around a bit, I should note that some of my Red Hat
> compatriots think that "systemtap" is the long-term Linux answer here.
> I know zip about it myself, but it's something to read up on if you are
> looking for better performance monitoring on Linux.
FWIW there are a number of tracing options on Linux, none of which is
said to be yet at the level of DTrace. See here for an article on the
topic: http://lwn.net/Articles/291091/
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.