From 2e73c2cf78f797f3ff299ca39b210bceb40ab804 Mon Sep 17 00:00:00 2001
From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Tue, 28 Aug 2012 16:48:47 +0200
Subject: s390/eadm_sch: add support for irq statistics

Add support for EADM interrupt statistics in /proc/interrupts.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/cio/eadm_sch.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'drivers/s390/cio')

diff --git a/drivers/s390/cio/eadm_sch.c b/drivers/s390/cio/eadm_sch.c
index 3fc882f6668..6c967340046 100644
--- a/drivers/s390/cio/eadm_sch.c
+++ b/drivers/s390/cio/eadm_sch.c
@@ -5,6 +5,7 @@
  * Author(s): Sebastian Ott <sebott@linux.vnet.ibm.com>
  */
 
+#include <linux/kernel_stat.h>
 #include <linux/workqueue.h>
 #include <linux/spinlock.h>
 #include <linux/device.h>
@@ -138,6 +139,8 @@ static void eadm_subchannel_irq(struct subchannel *sch)
 	EADM_LOG(6, "irq");
 	EADM_LOG_HEX(6, irb, sizeof(*irb));
 
+	kstat_cpu(smp_processor_id()).irqs[IOINT_ADM]++;
+
 	if ((scsw->stctl & (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND))
 	    && scsw->eswf == 1 && irb->esw.eadm.erw.r)
 		error = -EIO;
-- 
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