LF Collab Summit tracing round table action item

2009-04-26 Thread Christoph Hellwig
These are the notes and action items for the Tracing roundtable at the Linux Foundation Collaboration summit, April 8-10 in San Francisco. Attendes: Renzo Davoli, Mathieu Desnoyers, Jake Edge, Frank Ch. Eigler, Christoph Hellwig, Masami Hiramatsu, Jim Keniston, Roland McGrath,

Re: question - inconsistent results from ptrace

2009-04-26 Thread Roland McGrath
I can't reproduce any such variation using 2.6.27.21-170.2.56.fc10.x86_64 myself. Off hand, it seems more likely there is some authentic variation between runs for whatever reason than that this has something to do with ptrace. Have you tried making your program look at the tracee's PC every

Re: question - inconsistent results from ptrace

2009-04-26 Thread Roni Simonian
Thank you for the response, Roland! Off hand, it seems more likely there is some authentic variation between runs for whatever reason than that this has something to do with ptrace. I agree, it most likely has to do with the process itself. I am puzzled because something as simple as hello