summaryrefslogtreecommitdiff
path: root/drivers/s390/char
diff options
context:
space:
mode:
authorPeter Oberparleiter <peter.oberparleiter@de.ibm.com>2011-10-30 15:16:04 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2011-10-30 15:16:15 +0100
commitde400d6b78d15a73023485f050bc6b1709dc7a79 (patch)
tree2d2e7233a76982db4cf12ff0859054a33e46a911 /drivers/s390/char
parentce949717b559709423c1ef716a9db16d1dcadaed (diff)
[S390] fix mismatch in summation of I/O IRQ statistics
Current IRQ statistics support does not show detail counts for I/O interrupts which are processed internally only. The result is a summation count which is way off such as this one: CPU0 CPU1 CPU2 I/O: 1331 710 442 [...] QAI: 15 16 16 [I/O] QDIO Adapter Interrupt QDI: 1 0 0 [I/O] QDIO Interrupt DAS: 706 645 381 [I/O] DASD C15: 26 10 0 [I/O] 3215 C70: 0 0 0 [I/O] 3270 TAP: 0 0 0 [I/O] Tape VMR: 0 0 0 [I/O] Unit Record Devices LCS: 0 0 0 [I/O] LCS CLW: 0 0 0 [I/O] CLAW CTC: 0 0 0 [I/O] CTC APB: 0 0 0 [I/O] AP Bus Fix this by moving I/O interrupt accounting into the common I/O layer. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/char')
-rw-r--r--drivers/s390/char/con3215.c3
-rw-r--r--drivers/s390/char/raw3270.c3
-rw-r--r--drivers/s390/char/tape_34xx.c1
-rw-r--r--drivers/s390/char/tape_3590.c1
-rw-r--r--drivers/s390/char/tape_core.c2
-rw-r--r--drivers/s390/char/vmur.c3
6 files changed, 5 insertions, 8 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 694464c65fcd..934458ad55e5 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -9,7 +9,6 @@
* Dan Morrison, IBM Corporation <dmorriso@cse.buffalo.edu>
*/
-#include <linux/kernel_stat.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kdev_t.h>
@@ -362,7 +361,6 @@ static void raw3215_irq(struct ccw_device *cdev, unsigned long intparm,
int cstat, dstat;
int count;
- kstat_cpu(smp_processor_id()).irqs[IOINT_C15]++;
raw = dev_get_drvdata(&cdev->dev);
req = (struct raw3215_req *) intparm;
cstat = irb->scsw.cmd.cstat;
@@ -776,6 +774,7 @@ static struct ccw_driver raw3215_ccw_driver = {
.freeze = &raw3215_pm_stop,
.thaw = &raw3215_pm_start,
.restore = &raw3215_pm_start,
+ .int_class = IOINT_C15,
};
#ifdef CONFIG_TN3215_CONSOLE
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 810ac38631c3..e5cb9248a442 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -7,7 +7,6 @@
* Copyright IBM Corp. 2003, 2009
*/
-#include <linux/kernel_stat.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/init.h>
@@ -330,7 +329,6 @@ raw3270_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
struct raw3270_request *rq;
int rc;
- kstat_cpu(smp_processor_id()).irqs[IOINT_C70]++;
rp = dev_get_drvdata(&cdev->dev);
if (!rp)
return;
@@ -1398,6 +1396,7 @@ static struct ccw_driver raw3270_ccw_driver = {
.freeze = &raw3270_pm_stop,
.thaw = &raw3270_pm_start,
.restore = &raw3270_pm_start,
+ .int_class = IOINT_C70,
};
static int
diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 9eff2df70ddb..934ef33eb9a4 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -1330,6 +1330,7 @@ static struct ccw_driver tape_34xx_driver = {
.set_online = tape_34xx_online,
.set_offline = tape_generic_offline,
.freeze = tape_generic_pm_suspend,
+ .int_class = IOINT_TAP,
};
static int
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index a7d570728882..49c6aab7ad78 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -1762,6 +1762,7 @@ static struct ccw_driver tape_3590_driver = {
.set_offline = tape_generic_offline,
.set_online = tape_3590_online,
.freeze = tape_generic_pm_suspend,
+ .int_class = IOINT_TAP,
};
/*
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index 7978a0adeaf3..b3a3e8e8656e 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -14,7 +14,6 @@
#define KMSG_COMPONENT "tape"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
-#include <linux/kernel_stat.h>
#include <linux/module.h>
#include <linux/init.h> // for kernel parameters
#include <linux/kmod.h> // for requesting modules
@@ -1115,7 +1114,6 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
struct tape_request *request;
int rc;
- kstat_cpu(smp_processor_id()).irqs[IOINT_TAP]++;
device = dev_get_drvdata(&cdev->dev);
if (device == NULL) {
return;
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index f6b00c3df425..d291a54acfad 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -11,7 +11,6 @@
#define KMSG_COMPONENT "vmur"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
-#include <linux/kernel_stat.h>
#include <linux/cdev.h>
#include <linux/slab.h>
@@ -74,6 +73,7 @@ static struct ccw_driver ur_driver = {
.set_online = ur_set_online,
.set_offline = ur_set_offline,
.freeze = ur_pm_suspend,
+ .int_class = IOINT_VMR,
};
static DEFINE_MUTEX(vmur_mutex);
@@ -305,7 +305,6 @@ static void ur_int_handler(struct ccw_device *cdev, unsigned long intparm,
{
struct urdev *urd;
- kstat_cpu(smp_processor_id()).irqs[IOINT_VMR]++;
TRACE("ur_int_handler: intparm=0x%lx cstat=%02x dstat=%02x res=%u\n",
intparm, irb->scsw.cmd.cstat, irb->scsw.cmd.dstat,
irb->scsw.cmd.count);