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[S390] qdio: add qdio interrupts to interrupt statistics 

Count traditional qdio interrupts and adapter interrupts for qdio
in the interrupt statistics.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Jan Glauber 2011-01-05 12:47:29 +01:00 committed by Martin Schwidefsky
parent 052ff461c8
commit 30d77c3e1c
4 changed files with 8 additions and 0 deletions
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2
arch/s390/include/asm/irq.h
View File

@ -15,6 +15,8 @@ enum interruption_class {
EXTINT_VRT,
EXTINT_SCP,
EXTINT_IUC,
IOINT_QAI,
IOINT_QDI,
NMI_NMI,
NR_IRQS,
};

2
arch/s390/kernel/irq.c
View File

@ -32,6 +32,8 @@ static const struct irq_class intrclass_names[] = {
{.name = "VRT", .desc = "[EXT] Virtio" },
{.name = "SCP", .desc = "[EXT] Service Call" },
{.name = "IUC", .desc = "[EXT] IUCV" },
{.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt" },
{.name = "QDI", .desc = "[I/O] QDIO Interrupt" },
{.name = "NMI", .desc = "[NMI] Machine Check" },
};

2
drivers/s390/cio/qdio_main.c
View File

@ -14,6 +14,7 @@
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/gfp.h>
#include <linux/kernel_stat.h>
#include <asm/atomic.h>
#include <asm/debug.h>
#include <asm/qdio.h>
@ -970,6 +971,7 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
return;
}
kstat_cpu(smp_processor_id()).irqs[IOINT_QDI]++;
if (irq_ptr->perf_stat_enabled)
irq_ptr->perf_stat.qdio_int++;

2
drivers/s390/cio/qdio_thinint.c
View File

@ -8,6 +8,7 @@
*/
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/kernel_stat.h>
#include <asm/atomic.h>
#include <asm/debug.h>
#include <asm/qdio.h>
@ -127,6 +128,7 @@ static void tiqdio_thinint_handler(void *alsi, void *data)
struct qdio_q *q;
last_ai_time = S390_lowcore.int_clock;
kstat_cpu(smp_processor_id()).irqs[IOINT_QAI]++;
/*
* SVS only when needed: issue SVS to benefit from iqdio interrupt