[stgt] [PATCH RESEND 0/3] Add SCSI cmd statistics per ITL nexus
fujita.tomonori at lab.ntt.co.jp
Wed Jul 18 00:04:56 CEST 2012
On Wed, 18 Jul 2012 00:55:43 +0300
nezhinsky at gmail.com wrote:
> From: Alexander Nezhinsky <alexandern at mellanox.com>
> Add statistics on SCSI cmd execution. Reads and writes are counted separately.
> Total transfer in bytes and total number of commands are accummulated.
> Number of commands submitted for execution to backing-store are counted
> separately from the number of commands completed. This may provide some clues
> on the i/o queues length, as well as some debugging information.
> Stat info is retrieved using a new --op stat applicable to various modes.
> When relevant, iscsi conn statistics (currently existing counters) is shown.
> iser connections accumulate statistics just as plain iscsi ones,
> counting rdma transfers as data-in and data-out depending on the direction.
> Alexander Nezhinsky (3):
> Add infrastructure for statistics on SCSI device level
> Show new statistics in various modes; integrate scsi and iscsi stats
> where relevant
> collect isci conn stats for iser connections
> usr/driver.h | 1 +
> usr/iscsi/conn.c | 26 ++++++++
> usr/iscsi/iscsid.c | 33 +++------
> usr/iscsi/iscsid.h | 4 ++
> usr/iscsi/iser.c | 16 +++--
> usr/iscsi/target.c | 165 ++++++++++++++++++++++++++++++++++++---------
> usr/mgmt.c | 64 ++++++++++++++++++
> usr/scsi.c | 18 ++++-
> usr/target.c | 188 +++++++++++++++++++++++++++++++++++++++++++---------
> usr/target.h | 2 +-
> usr/tgtadm.c | 7 +-
> usr/tgtadm.h | 2 +-
> usr/tgtd.h | 36 +++++++++-
> 13 files changed, 464 insertions(+), 98 deletions(-)
I got many checkpatch errors on them. Please fix them.
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