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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-01-05 14:47:32 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 14:47:25 +0300 |
| commit | 3fe22f6bfd6f81aafd140d69578d3a2c39674664 (patch) | |
| tree | 299ea61e404e827d67b4b834bb0c189c631af62b | |
| parent | 12fae5858cd97181c92472c9bb5f098a7eca2ffe (diff) | |
| download | linux-3fe22f6bfd6f81aafd140d69578d3a2c39674664.tar.xz | |
[S390] 3270: add support for irq statistics
Add support for 3270 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/raw3270.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 d52533df6ac8..65e63c02b0f9 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -19,6 +19,7 @@ enum interruption_class { IOINT_QDI, IOINT_DAS, IOINT_C15, + IOINT_C70, NMI_NMI, NR_IRQS, }; diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index e7914e4adc48..8c241416576f 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -36,6 +36,7 @@ static const struct irq_class intrclass_names[] = { {.name = "QDI", .desc = "[I/O] QDIO Interrupt" }, {.name = "DAS", .desc = "[I/O] DASD" }, {.name = "C15", .desc = "[I/O] 3215" }, + {.name = "C70", .desc = "[I/O] 3270" }, {.name = "NMI", .desc = "[NMI] Machine Check" }, }; diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 2a4c566456e7..96ba2fd1c8ad 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -7,6 +7,7 @@ * Copyright IBM Corp. 2003, 2009 */ +#include <linux/kernel_stat.h> #include <linux/module.h> #include <linux/err.h> #include <linux/init.h> @@ -329,6 +330,7 @@ raw3270_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) struct raw3270_request *rq; int rc; + kstat_cpu(smp_processor_id()).irqs[IOINT_C70]++; rp = dev_get_drvdata(&cdev->dev); if (!rp) return; |