On Dec 23, 2011, at 13:29, Anne Adema <aron.ad...@gmail.com> wrote: > Hi James, > > What I'm looking for in a while true loop to see amount fopen calls for a > certain pid > > while true > do > cmd for amount fopen call for certain pid dtrace script > sleep 60 > done > > or dtrace script with same loop > > Gr Anne
If you want to monitor one or more processes to see what files they open and close over a given period (while being monitored), then that sort of thing is doable. But just sampling at intervals to get a count won't work, unless you can find something in the program to read that gives you what you wanted. You can use the pid provider to catch calls inside the application, and the profile provider to sample them. Maybe that's what you're getting at. Truss might be easier -- it can count calls into a library (fopen(3C) is in libc) and give statistics. Can you explain why those other mechanisms don't work for you? They look well suited to the task. I really do think that a higher level description of what you're trying to accomplish will be needed in order to get useful suggestions. _______________________________________________ dtrace-discuss mailing list dtrace-discuss@opensolaris.org
