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[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>
This commit is contained in:
Jan Glauber 2011-01-05 12:47:51 +01:00 committed by Martin Schwidefsky
parent 3d6c76ff32
commit 0195843bfd
3 changed files with 5 additions and 0 deletions
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1
drivers/s390/cio/qdio.h
View File

@ -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;

1
drivers/s390/cio/qdio_debug.c
View File

@ -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",

3
drivers/s390/cio/qdio_main.c
View File

@ -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);