On Mon, Jun 22, 2015 at 03:25:07PM +0530, sourab.gupta@xxxxxxxxx wrote: > From: Sourab Gupta <sourab.gupta@xxxxxxxxx> > > To collect timestamps around any GPU workload, we need to insert > commands to capture them into the ringbuffer. Therefore, during the stop event > call, we need to wait for GPU to complete processing the last request for > which these commands were inserted. > We need to ensure this processing is done before event_destroy callback which > deallocates the buffer for holding the data. There's no reason for this to be synchronous. Just that you need an active reference on the output buffer to be only released after the final request. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
