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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-01-05 12:47:36 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 12:47:26 +0100 |
| commit | 355eb4022b92349f70cd69ce5b9572c71c0be226 (patch) | |
| tree | 638e77a5f8635f234bc1283ce9e1986756dfdd75 | |
| parent | 096a61682e86090e4e74118ff6fa6858ca73aa58 (diff) | |
| download | kernel_samsung_smdk4412-355eb4022b92349f70cd69ce5b9572c71c0be226.tar.gz kernel_samsung_smdk4412-355eb4022b92349f70cd69ce5b9572c71c0be226.tar.bz2 kernel_samsung_smdk4412-355eb4022b92349f70cd69ce5b9572c71c0be226.zip | |
[S390] claw: add support for irq statistics
Add support for CLAW 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/claw.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 6a455b8ea18..2d5943c1c6a 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -23,6 +23,7 @@ enum interruption_class { IOINT_TAP, IOINT_VMR, IOINT_LCS, + IOINT_CLW, NMI_NMI, NR_IRQS, }; diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index 4c6e071b7f9..406b539f61a 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -40,6 +40,7 @@ static const struct irq_class intrclass_names[] = { {.name = "TAP", .desc = "[I/O] Tape" }, {.name = "VMR", .desc = "[I/O] Unit Record Devices" }, {.name = "LCS", .desc = "[I/O] LCS" }, + {.name = "CLW", .desc = "[I/O] CLAW" }, {.name = "NMI", .desc = "[NMI] Machine Check" }, }; diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index 8e4153d740f..ce3a5c13ce0 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -63,6 +63,7 @@ #define KMSG_COMPONENT "claw" +#include <linux/kernel_stat.h> #include <asm/ccwdev.h> #include <asm/ccwgroup.h> #include <asm/debug.h> @@ -640,6 +641,7 @@ claw_irq_handler(struct ccw_device *cdev, struct claw_env *p_env; struct chbk *p_ch_r=NULL; + kstat_cpu(smp_processor_id()).irqs[IOINT_CLW]++; CLAW_DBF_TEXT(4, trace, "clawirq"); /* Bypass all 'unsolicited interrupts' */ privptr = dev_get_drvdata(&cdev->dev); |