From: Stefan Raspl <raspl@linux.vnet.ibm.com>
Date: Thu, 16 Oct 2008 06:23:39 +0000 (+0200)
Subject: blktrace: pass zfcp driver data
X-Git-Tag: v2.6.28-rc1~261^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0997f1c5fec0b540784611036d458a84a1f7029a;p=pandora-kernel.git

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>
---

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