Martin Peschke wrote: > In order to analyse I/O performance problems which could be reported by > customers we want to provide a little monitoring tool. Primarily, we > would like to be able look at a history of request size and request > latency histograms per device. > > The D and C traces provided by blktrace are exactly what we need for > that purpose. So, running blktrace with appropriate filters (-a option) > makes this approach feasible. > > Patch 1/2 allows users to get binary output from blkparse on stdout. > > Patch 2/2 contains blkiomon, an I/O monitoring tool, which reads > blkparse data from stdin and which periodically writes I/O statistics. > > I would like to contribute this little tool to the blktrace source tree. > I think it would complement blkparse and btt quite well. > > Martin Hi Martin - Is there some reason why you don't just parse the textual output from blkparse itself? [I believe that's what Chris Mason does w/ his seekwatcher for example.] Alan -- To unsubscribe from this list: send the line "unsubscribe linux-btrace" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
