On Thu, 2009-05-28 at 18:25 +0200, Peter Zijlstra wrote: > > 10/ Group event buffer entry > > > > This is activated by setting the PERF_RECORD_GROUP in the record_type > > field. With this bit set, the values of the other members of the > > group are stored sequentially in the buffer. To help figure out which > > value corresponds to which event, the current implementation also > > stores the raw encoding of the event. > > > > The event encoding does not help figure out which event the value > > refers > > to. There can be multiple events with the same code. This does fit > > the > > API model where events are identified by file descriptors. > > > > The file descriptor must be provided and not the raw encoding. > > OK, sounds sensible.
This can't actually be done, fds can change, and there is no struct file* to fd map. If the config isn't good enough, the best we could do is something unique per instance. ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp as they present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
