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authorHeiko Carstens <heiko.carstens@de.ibm.com>2011-01-05 12:47:31 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2011-01-05 12:47:25 +0100
commit12fae5858cd97181c92472c9bb5f098a7eca2ffe (patch)
tree7cb0aff0fec24b9396ae05c0da8d9123008e5f1d /drivers/s390
parent3283942b71eb5023184b378230f5f0e3fbb40991 (diff)
[S390] 3215: add support for irq statistics
Add support for 3215 I/O interrupt statistics in /proc/interrupts. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/char/con3215.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 59ec073724bf..3fb4335d491d 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -9,6 +9,7 @@
* Dan Morrison, IBM Corporation <dmorriso@cse.buffalo.edu>
*/
+#include <linux/kernel_stat.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kdev_t.h>
@@ -361,6 +362,7 @@ static void raw3215_irq(struct ccw_device *cdev, unsigned long intparm,
int cstat, dstat;
int count;
+ kstat_cpu(smp_processor_id()).irqs[IOINT_C15]++;
raw = dev_get_drvdata(&cdev->dev);
req = (struct raw3215_req *) intparm;
cstat = irb->scsw.cmd.cstat;