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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 | 756f8243188e013bd067811cdc0cc60760abfdf9 (diff) | |
| download | op-kernel-dev-0997f1c5fec0b540784611036d458a84a1f7029a.zip op-kernel-dev-0997f1c5fec0b540784611036d458a84a1f7029a.tar.gz | |
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 3e05080..664752f 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); } |
