blktrace: pass zfcp driver data
authorStefan Raspl <raspl@linux.vnet.ibm.com>
Thu, 16 Oct 2008 06:23:39 +0000 (08:23 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Fri, 17 Oct 2008 06:46:57 +0000 (08:46 +0200)
commit0997f1c5fec0b540784611036d458a84a1f7029a
treedaf1558eabd821ab6a92ef0660d6ec5bb8bb099d
parent756f8243188e013bd067811cdc0cc60760abfdf9
blktrace: pass zfcp driver data

This patch writes the channel and fabric latencies in nanoseconds per
request via blktrace for later analysis. The utilization of the inbound
and outbound adapter queue is also reported.

Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
drivers/s390/scsi/zfcp_def.h
drivers/s390/scsi/zfcp_fsf.c
drivers/s390/scsi/zfcp_fsf.h
drivers/s390/scsi/zfcp_qdio.c