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| author | Holger Dengler <hd@linux.vnet.ibm.com> | 2011-01-05 14:47:38 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 14:47:26 +0300 |
| commit | 62d146ffe3adfed2747fc36138476c8417ce73a7 (patch) | |
| tree | d5d27798a98fc7683e092ffb4a6cc208a64fb90a | |
| parent | 85b81cdd0b038d580dedf6289df7de65826967d6 (diff) | |
| download | linux-62d146ffe3adfed2747fc36138476c8417ce73a7.tar.xz | |
[S390] ap bus: add support for irq statistics
Add support for AP Bus I/O interrupt statistics in /proc/interrupts.
Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Felix Beck <felix.beck@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/crypto/ap_bus.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 8c79f9400a36..db14a311f1d2 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -25,6 +25,7 @@ enum interruption_class { IOINT_LCS, IOINT_CLW, IOINT_CTC, + IOINT_APB, NMI_NMI, NR_IRQS, }; diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index 57ed2b55c2a1..ea5099c9709c 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -42,6 +42,7 @@ static const struct irq_class intrclass_names[] = { {.name = "LCS", .desc = "[I/O] LCS" }, {.name = "CLW", .desc = "[I/O] CLAW" }, {.name = "CTC", .desc = "[I/O] CTC" }, + {.name = "APB", .desc = "[I/O] AP Bus" }, {.name = "NMI", .desc = "[NMI] Machine Check" }, }; diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index a1ba52a09602..4f37c45ee114 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -27,6 +27,7 @@ #define KMSG_COMPONENT "ap" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/kernel_stat.h> #include <linux/module.h> #include <linux/init.h> #include <linux/delay.h> @@ -1042,6 +1043,7 @@ out: static void ap_interrupt_handler(void *unused1, void *unused2) { + kstat_cpu(smp_processor_id()).irqs[IOINT_APB]++; tasklet_schedule(&ap_tasklet); } |