[S390] qdio: add counter for input queue full condition

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Add a counter to the qdio performance statistics that indicates that no
free buffers were left in the input queue. If the counter gets increased
it means that the qdio adapter filled all available buffers and possibly
had more buffers ready but could not transmit them.

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

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Jan Glauber 2009-12-18 17:43:26 +01:00 • committed by Martin Schwidefsky

parent 7883097f16

commit 8bcd9b04fd

3 changed files with 5 additions and 1 deletions

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3

drivers/s390/cio/qdio_main.c

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2

drivers/s390/cio/qdio_perf.c

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1

drivers/s390/cio/qdio_perf.h

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