On Mon, Apr 24, 2017 at 07:19:50PM -0400, Martin K. Petersen wrote: > > Bart, > > > SCSI tracing has to be enabled before a test is started, produces a > > huge amount of data, and deriving state information from a huge trace > > is far from easy. The information in debugfs provides an easy to read > > overview of the current state without having to analyze megabytes of > > traces, without introducing any slowdown and without having to enable > > any tracing mechanism from beforehand. > > Fair enough. Just seems like there's an obvious overlap in plumbing. > Don't know if that can be leveraged instead of introducing something > completely new? The debugfs infrastructure is already there, and it already supports showing requests. Bart is just exposing the SCSI information.