From 355eb4022b92349f70cd69ce5b9572c71c0be226 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 5 Jan 2011 12:47:36 +0100 Subject: [S390] claw: add support for irq statistics Add support for CLAW I/O interrupt statistics in /proc/interrupts. Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/irq.h | 1 + arch/s390/kernel/irq.c | 1 + drivers/s390/net/claw.c | 2 ++ 3 files changed, 4 insertions(+) diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h index 6a455b8..2d5943c 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 4c6e071..406b539 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 8e4153d..ce3a5c1 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -63,6 +63,7 @@ #define KMSG_COMPONENT "claw" +#include #include #include #include @@ -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); -- cgit v1.1