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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-01-05 11:47:30 (GMT) |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 11:47:25 (GMT) |
| commit | 3283942b71eb5023184b378230f5f0e3fbb40991 (patch) | |
| tree | 269d2d33b7eade2a3dc1092e217ff00bcc8a6e6f /drivers/s390/block/dasd.c | |
| parent | 30d77c3e1cbdff304b16ae02cb56baaa308e42fd (diff) | |
| download | linux-3283942b71eb5023184b378230f5f0e3fbb40991.tar.xz | |
[S390] dasd: add support for irq statistics
Add support for DASD 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/block/dasd.c')
| -rw-r--r-- | drivers/s390/block/dasd.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index fb613d7..faa7d42 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -11,6 +11,7 @@ #define KMSG_COMPONENT "dasd" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/kernel_stat.h> #include <linux/kmod.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -1076,6 +1077,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, unsigned long long now; int expires; + kstat_cpu(smp_processor_id()).irqs[IOINT_DAS]++; if (IS_ERR(irb)) { switch (PTR_ERR(irb)) { case -EIO: |