Tom Lane wrote: > "Scott Carey" <scott@xxxxxxxxxxxxxxxxx> 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.
