diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-01-05 12:47:34 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 12:47:26 +0100 |
| commit | f48198d592b0d680b9677bd69edd2290cd0c1f4f (patch) | |
| tree | 06ef549b2781c90d1841427a83343d9990e3da8f | |
| parent | b86651721f18f40319efe94ed3eac2d26682e5b9 (diff) | |
| download | kernel_goldelico_gta04-f48198d592b0d680b9677bd69edd2290cd0c1f4f.zip kernel_goldelico_gta04-f48198d592b0d680b9677bd69edd2290cd0c1f4f.tar.gz kernel_goldelico_gta04-f48198d592b0d680b9677bd69edd2290cd0c1f4f.tar.bz2 | |
[S390] vmur: add support for irq statistics
Add support for VMUR 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/vmur.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 6986343..6c9b556 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -21,6 +21,7 @@ enum interruption_class { IOINT_C15, IOINT_C70, IOINT_TAP, + IOINT_VMR, NMI_NMI, NR_IRQS, }; diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index 5d7b6fb..ae726d1 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -38,6 +38,7 @@ static const struct irq_class intrclass_names[] = { {.name = "C15", .desc = "[I/O] 3215" }, {.name = "C70", .desc = "[I/O] 3270" }, {.name = "TAP", .desc = "[I/O] Tape" }, + {.name = "VMR", .desc = "[I/O] Unit Record Devices" }, {.name = "NMI", .desc = "[NMI] Machine Check" }, }; diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c index f7e4ae6..caef175 100644 --- a/drivers/s390/char/vmur.c +++ b/drivers/s390/char/vmur.c @@ -11,6 +11,7 @@ #define KMSG_COMPONENT "vmur" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/kernel_stat.h> #include <linux/cdev.h> #include <linux/slab.h> @@ -302,6 +303,7 @@ static void ur_int_handler(struct ccw_device *cdev, unsigned long intparm, { struct urdev *urd; + kstat_cpu(smp_processor_id()).irqs[IOINT_VMR]++; TRACE("ur_int_handler: intparm=0x%lx cstat=%02x dstat=%02x res=%u\n", intparm, irb->scsw.cmd.cstat, irb->scsw.cmd.dstat, irb->scsw.cmd.count); |