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(parent: 80376f3) | patch
[S390] qdio: add timestamp for last queue scan time
authorJan Glauber <jang@linux.vnet.ibm.com>
Sun, 30 Oct 2011 14:17:05 +0000 (15:17 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Sun, 30 Oct 2011 14:16:45 +0000 (15:16 +0100)
commita2b86019826cb97fd964fbaf101410c64cd78681
treeda7659c2d90dcfd83d23ba3f432baa9f84aa80a2tree | snapshot
parent80376f347d70ce5fcfb98105d83624518e0911d6commit | diff
[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>
drivers/s390/cio/qdio.h diff | blob | history
drivers/s390/cio/qdio_debug.c diff | blob | history
drivers/s390/cio/qdio_main.c diff | blob | history
drivers/s390/cio/qdio_thinint.c diff | blob | history
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