[RFC] blktrace interface for sg devices

I am referring to the discussion of introducing statistics in the SCSI layer and the conclusion that blktrace already provides the data: http://lkml.org/lkml/2006/10/21/72 http://lkml.org/lkml/2006/11/2/141 While blktrace works fine for disk devices, it currently does not provide data for

Re: [RFC] blktrace interface for sg devices

On Thu, Dec 13, 2007 at 10:19:42AM +0100, Jens Axboe wrote: [...] I think this approach is the simplest and right way to do it. Tracing is really just tied to the transport (transport here meaning how we transport commands to the device), and even character scsi devices use the block layer