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[S390] qdio: add timestamp for last queue scan time
authorJan Glauber <jang@linux.vnet.ibm.com>
Mon, 24 Oct 2011 09:47:54 +0000 (11:47 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 24 Oct 2011 09:47:36 +0000 (11:47 +0200)
commitd4695f0e7dd4d11d93ad17da0a3450df9ee82016
tree8d2e41ca364569b2f6e8b812b3b5de72c9445d99tree | snapshot
parent99140b4e1213aad44726e8e42d92e19cecea45f0commit | 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
Linux kernel for KaRo TX COM modules