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authorHeiko Carstens <heiko.carstens@de.ibm.com>2011-01-05 12:47:37 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2011-01-05 12:47:26 +0100
commit85b81cdd0b038d580dedf6289df7de65826967d6 (patch)
tree45611f4accbd79c07232788c7bad7035b0cdba4d /drivers/s390/net
parent355eb4022b92349f70cd69ce5b9572c71c0be226 (diff)
downloadlinux-linaro-android-85b81cdd0b038d580dedf6289df7de65826967d6.tar.gz
[S390] ctc: add support for irq statistics
Add support for CTC 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/net')
-rw-r--r--drivers/s390/net/ctcm_main.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 2c7d2d9be4d..4c284598592 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -24,6 +24,7 @@
#define KMSG_COMPONENT "ctcm"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+#include <linux/kernel_stat.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
@@ -1204,6 +1205,7 @@ static void ctcm_irq_handler(struct ccw_device *cdev,
int cstat;
int dstat;
+ kstat_cpu(smp_processor_id()).irqs[IOINT_CTC]++;
CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG,
"Enter %s(%s)", CTCM_FUNTAIL, dev_name(&cdev->dev));