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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-01-05 12:47:35 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 12:47:26 +0100 |
| commit | 096a61682e86090e4e74118ff6fa6858ca73aa58 (patch) | |
| tree | f768604168b1d55aae0351f70f94c5089444b09f | |
| parent | f48198d592b0d680b9677bd69edd2290cd0c1f4f (diff) | |
| download | blackbird-op-linux-096a61682e86090e4e74118ff6fa6858ca73aa58.tar.gz blackbird-op-linux-096a61682e86090e4e74118ff6fa6858ca73aa58.zip | |
[S390] lcs: add support for irq statistics
Add support for LCS 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/lcs.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 6c9b55681eab..6a455b8ea18b 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -22,6 +22,7 @@ enum interruption_class { IOINT_C70, IOINT_TAP, IOINT_VMR, + IOINT_LCS, NMI_NMI, NR_IRQS, }; diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index ae726d1ae430..4c6e071b7f92 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -39,6 +39,7 @@ static const struct irq_class intrclass_names[] = { {.name = "C70", .desc = "[I/O] 3270" }, {.name = "TAP", .desc = "[I/O] Tape" }, {.name = "VMR", .desc = "[I/O] Unit Record Devices" }, + {.name = "LCS", .desc = "[I/O] LCS" }, {.name = "NMI", .desc = "[NMI] Machine Check" }, }; diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 0f19d540b655..0bf708944314 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -26,6 +26,7 @@ #define KMSG_COMPONENT "lcs" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/kernel_stat.h> #include <linux/module.h> #include <linux/if.h> #include <linux/netdevice.h> @@ -1396,6 +1397,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) int rc, index; int cstat, dstat; + kstat_cpu(smp_processor_id()).irqs[IOINT_LCS]++; if (lcs_check_irb_error(cdev, irb)) return; |
