From: Jan Glauber <jang@linux.vnet.ibm.com>
Date: Sun, 30 Oct 2011 14:17:05 +0000 (+0100)
Subject: [S390] qdio: add timestamp for last queue scan time
X-Git-Tag: v3.2-rc1~109^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2b86019826cb97fd964fbaf101410c64cd78681;p=pandora-kernel.git

[S390] qdio: add timestamp for last queue scan time

Add a timestamp per queue and update the timestamp when the queue is
scanned. Add the queue timestamps and the timestamp of the last
adapter interrupt to the debugfs output. The timestamps are useful
for debugging stall conditions.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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