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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-01-05 14:47:37 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 14:47:26 +0300 |
| commit | 85b81cdd0b038d580dedf6289df7de65826967d6 (patch) | |
| tree | 45611f4accbd79c07232788c7bad7035b0cdba4d | |
| parent | 355eb4022b92349f70cd69ce5b9572c71c0be226 (diff) | |
| download | linux-85b81cdd0b038d580dedf6289df7de65826967d6.tar.xz | |
[S390] ctc: add support for irq statistics
Add support for CTC 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/net/ctcm_main.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 2d5943c1c6a1..8c79f9400a36 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -24,6 +24,7 @@ enum interruption_class { IOINT_VMR, IOINT_LCS, IOINT_CLW, + IOINT_CTC, NMI_NMI, NR_IRQS, }; diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index 406b539f61a9..57ed2b55c2a1 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -41,6 +41,7 @@ static const struct irq_class intrclass_names[] = { {.name = "VMR", .desc = "[I/O] Unit Record Devices" }, {.name = "LCS", .desc = "[I/O] LCS" }, {.name = "CLW", .desc = "[I/O] CLAW" }, + {.name = "CTC", .desc = "[I/O] CTC" }, {.name = "NMI", .desc = "[NMI] Machine Check" }, }; diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c index 2c7d2d9be4d0..4c2845985927 100644 --- a/drivers/s390/net/ctcm_main.c +++ b/drivers/s390/net/ctcm_main.c @@ -24,6 +24,7 @@ #define KMSG_COMPONENT "ctcm" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/kernel_stat.h> #include <linux/module.h> #include <linux/init.h> #include <linux/kernel.h> @@ -1204,6 +1205,7 @@ static void ctcm_irq_handler(struct ccw_device *cdev, int cstat; int dstat; + kstat_cpu(smp_processor_id()).irqs[IOINT_CTC]++; CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG, "Enter %s(%s)", CTCM_FUNTAIL, dev_name(&cdev->dev)); |