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authorHeiko Carstens <heiko.carstens@de.ibm.com>2011-01-05 12:47:34 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2011-01-05 12:47:26 +0100
commitf48198d592b0d680b9677bd69edd2290cd0c1f4f (patch)
tree06ef549b2781c90d1841427a83343d9990e3da8f /drivers/s390
parentb86651721f18f40319efe94ed3eac2d26682e5b9 (diff)
[S390] vmur: add support for irq statistics
Add support for VMUR 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/vmur.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index f7e4ae6bf15a..caef1757341d 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -11,6 +11,7 @@
#define KMSG_COMPONENT "vmur"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+#include <linux/kernel_stat.h>
#include <linux/cdev.h>
#include <linux/slab.h>
@@ -302,6 +303,7 @@ static void ur_int_handler(struct ccw_device *cdev, unsigned long intparm,
{
struct urdev *urd;
+ kstat_cpu(smp_processor_id()).irqs[IOINT_VMR]++;
TRACE("ur_int_handler: intparm=0x%lx cstat=%02x dstat=%02x res=%u\n",
intparm, irb->scsw.cmd.cstat, irb->scsw.cmd.dstat,
irb->scsw.cmd.count);