diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-01-05 12:47:34 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 12:47:26 +0100 |
| commit | f48198d592b0d680b9677bd69edd2290cd0c1f4f (patch) | |
| tree | 06ef549b2781c90d1841427a83343d9990e3da8f /drivers | |
| parent | b86651721f18f40319efe94ed3eac2d26682e5b9 (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')
| -rw-r--r-- | drivers/s390/char/vmur.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c index f7e4ae6bf15..caef1757341 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); |