Commit 0195843b authored Jan 05, 2011 by Jan Glauber Committed by Martin Schwidefsky Jan 05, 2011

[S390] qdio: outbound queue full counter



Add a counter for outbound queue full events to the qdio statistics.

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

parent 3d6c76ff

drivers/s390/cio/qdio.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -202,6 +202,7 @@ struct qdio_dev_perf_stat {
		unsigned int inbound_queue_full;
		unsigned int outbound_call;
		unsigned int outbound_handler;
		unsigned int outbound_queue_full;
		unsigned int fast_requeue;
		unsigned int target_full;
		unsigned int eqbs;

drivers/s390/cio/qdio_debug.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -151,6 +151,7 @@ static char *qperf_names[] = {
		"Inbound queue full",
		"Outbound calls",
		"Outbound handler",
		"Outbound queue full",
		"Outbound fast_requeue",
		"Outbound target_full",
		"QEBSM eqbs",

drivers/s390/cio/qdio_main.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1447,6 +1447,9 @@ static int handle_outbound(struct qdio_q *q, unsigned int callflags,
		used = atomic_add_return(count, &q->nr_buf_used);
		BUG_ON(used > QDIO_MAX_BUFFERS_PER_Q);

		if (used == QDIO_MAX_BUFFERS_PER_Q)
		qperf_inc(q, outbound_queue_full);

		if (callflags & QDIO_FLAG_PCI_OUT) {
		q->u.out.pci_out_enabled = 1;
		qperf_inc(q, pci_request_int);