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| author |   Stefan Raspl <raspl@linux.vnet.ibm.com> | 2008-10-16 08:23:39 +0200 |
|---|---|---|
| committer |   Jens Axboe <jens.axboe@oracle.com> | 2008-10-17 08:46:57 +0200 |
| commit | 0997f1c5fec0b540784611036d458a84a1f7029a (patch) | |
| tree | daf1558eabd821ab6a92ef0660d6ec5bb8bb099d /drivers/s390/scsi/zfcp_qdio.c | |
| parent | blktrace: add support for driver data (diff) | |
| download | linux-dev-0997f1c5fec0b540784611036d458a84a1f7029a.tar.xz linux-dev-0997f1c5fec0b540784611036d458a84a1f7029a.zip | |
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>
Diffstat (limited to 'drivers/s390/scsi/zfcp_qdio.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_qdio.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index 3e05080e62d4..664752f90b20 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -115,6 +115,7 @@ static void zfcp_qdio_reqid_check(struct zfcp_adapter *adapter, spin_unlock_irqrestore(&adapter->req_list_lock, flags); fsf_req->sbal_response = sbal_idx; + fsf_req->qdio_inb_usage = atomic_read(&adapter->resp_q.count); zfcp_fsf_req_complete(fsf_req); } |