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Commit 85b81cdd authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

[S390] ctc: add support for irq statistics 



Add support for CTC I/O interrupt statistics in /proc/interrupts.

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 355eb402

arch/s390/include/asm/irq.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -24,6 +24,7 @@ enum interruption_class { 
	IOINT_VMR,

	IOINT_VMR,

	IOINT_LCS,

	IOINT_LCS,

	IOINT_CLW,

	IOINT_CLW,

	IOINT_CTC,

	NMI_NMI,

	NMI_NMI,

	NR_IRQS,

	NR_IRQS,

};

};

arch/s390/kernel/irq.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -41,6 +41,7 @@ static const struct irq_class intrclass_names[] = { 
	{.name = "VMR", .desc = "[I/O] Unit Record Devices" },

	{.name = "VMR", .desc = "[I/O] Unit Record Devices" },

	{.name = "LCS", .desc = "[I/O] LCS" },

	{.name = "LCS", .desc = "[I/O] LCS" },

	{.name = "CLW", .desc = "[I/O] CLAW" },

	{.name = "CLW", .desc = "[I/O] CLAW" },

	{.name = "CTC", .desc = "[I/O] CTC" },

	{.name = "NMI", .desc = "[NMI] Machine Check" },

	{.name = "NMI", .desc = "[NMI] Machine Check" },

};

};

drivers/s390/net/ctcm_main.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -24,6 +24,7 @@ 
#define KMSG_COMPONENT "ctcm"

#define KMSG_COMPONENT "ctcm"

#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt





#include <linux/kernel_stat.h>

#include <linux/module.h>

#include <linux/module.h>

#include <linux/init.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/kernel.h>
@@ -1204,6 +1205,7 @@ static void ctcm_irq_handler(struct ccw_device *cdev, 
	int cstat;

	int cstat;

	int dstat;

	int dstat;





	kstat_cpu(smp_processor_id()).irqs[IOINT_CTC]++;

	CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG,

	CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG,

		"Enter %s(%s)", CTCM_FUNTAIL, dev_name(&cdev->dev));

		"Enter %s(%s)", CTCM_FUNTAIL, dev_name(&cdev->dev));