Quoting Tvrtko Ursulin (2017-09-11 16:25:56) > From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > > Export the stats added in the previous patch in debugfs. > > Number of active clients reading this data is tracked and the > static key is only enabled whilst there are some. > > Userspace is intended to keep the file descriptor open, seeking > to the beginning of the file periodically, and re-reading the > stats. > > This is because the underlying implementation is costly on every > first open/last close transition, and also, because the stats > exported mostly make sense when they are considered relative to > the previous sample. > > File lists nanoseconds each engine was active since the tracking > has started. Purpose? It's a debug API, so what are we debugging and by whom? -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
