diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-01-05 12:47:31 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 12:47:25 +0100 |
| commit | 12fae5858cd97181c92472c9bb5f098a7eca2ffe (patch) | |
| tree | 7cb0aff0fec24b9396ae05c0da8d9123008e5f1d | |
| parent | 3283942b71eb5023184b378230f5f0e3fbb40991 (diff) | |
[S390] 3215: add support for irq statistics
Add support for 3215 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>
| -rw-r--r-- | arch/s390/include/asm/irq.h | 1 | ||||
| -rw-r--r-- | arch/s390/kernel/irq.c | 1 | ||||
| -rw-r--r-- | drivers/s390/char/con3215.c | 2 |
3 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h index 082ef0cce287..d52533df6ac8 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -18,6 +18,7 @@ enum interruption_class { IOINT_QAI, IOINT_QDI, IOINT_DAS, + IOINT_C15, NMI_NMI, NR_IRQS, }; diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index 313fe83a443a..e7914e4adc48 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -35,6 +35,7 @@ static const struct irq_class intrclass_names[] = { {.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt" }, {.name = "QDI", .desc = "[I/O] QDIO Interrupt" }, {.name = "DAS", .desc = "[I/O] DASD" }, + {.name = "C15", .desc = "[I/O] 3215" }, {.name = "NMI", .desc = "[NMI] Machine Check" }, }; diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 59ec073724bf..3fb4335d491d 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -9,6 +9,7 @@ * Dan Morrison, IBM Corporation <dmorriso@cse.buffalo.edu> */ +#include <linux/kernel_stat.h> #include <linux/module.h> #include <linux/types.h> #include <linux/kdev_t.h> @@ -361,6 +362,7 @@ static void raw3215_irq(struct ccw_device *cdev, unsigned long intparm, int cstat, dstat; int count; + kstat_cpu(smp_processor_id()).irqs[IOINT_C15]++; raw = dev_get_drvdata(&cdev->dev); req = (struct raw3215_req *) intparm; cstat = irb->scsw.cmd.cstat; |