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authorHeiko Carstens <heiko.carstens@de.ibm.com>2011-01-05 12:47:36 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2011-01-05 12:47:26 +0100
commit355eb4022b92349f70cd69ce5b9572c71c0be226 (patch)
tree638e77a5f8635f234bc1283ce9e1986756dfdd75 /drivers/s390
parent096a61682e86090e4e74118ff6fa6858ca73aa58 (diff)
downloadlinux-linaro-android-355eb4022b92349f70cd69ce5b9572c71c0be226.tar.gz
[S390] claw: add support for irq statistics
Add support for CLAW 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/net/claw.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index 8e4153d740f..ce3a5c13ce0 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -63,6 +63,7 @@
#define KMSG_COMPONENT "claw"
+#include <linux/kernel_stat.h>
#include <asm/ccwdev.h>
#include <asm/ccwgroup.h>
#include <asm/debug.h>
@@ -640,6 +641,7 @@ claw_irq_handler(struct ccw_device *cdev,
struct claw_env *p_env;
struct chbk *p_ch_r=NULL;
+ kstat_cpu(smp_processor_id()).irqs[IOINT_CLW]++;
CLAW_DBF_TEXT(4, trace, "clawirq");
/* Bypass all 'unsolicited interrupts' */
privptr = dev_get_drvdata(&cdev->dev);