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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_def.h | |
| parent | blktrace: add support for driver data (diff) | |
| download | linux-0997f1c5fec0b540784611036d458a84a1f7029a.tar.xz linux-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_def.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_def.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 8a13071c444c..9ce4c75bd190 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -583,6 +583,8 @@ struct zfcp_fsf_req { unsigned long long issued; /* request sent time (STCK) */ struct zfcp_unit *unit; void (*handler)(struct zfcp_fsf_req *); + u16 qdio_outb_usage;/* usage of outbound queue */ + u16 qdio_inb_usage; /* usage of inbound queue */ }; /* driver data */ |