diff options
author | Peter Oberparleiter <peter.oberparleiter@de.ibm.com> | 2011-10-30 10:16:04 -0400 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 10:16:15 -0400 |
commit | de400d6b78d15a73023485f050bc6b1709dc7a79 (patch) | |
tree | 2d2e7233a76982db4cf12ff0859054a33e46a911 /drivers/s390/net/claw.c | |
parent | ce949717b559709423c1ef716a9db16d1dcadaed (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/net/claw.c')
-rw-r--r-- | drivers/s390/net/claw.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index f1fa2483ae6b..b41fae37d3af 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c | |||
@@ -63,7 +63,6 @@ | |||
63 | 63 | ||
64 | #define KMSG_COMPONENT "claw" | 64 | #define KMSG_COMPONENT "claw" |
65 | 65 | ||
66 | #include <linux/kernel_stat.h> | ||
67 | #include <asm/ccwdev.h> | 66 | #include <asm/ccwdev.h> |
68 | #include <asm/ccwgroup.h> | 67 | #include <asm/ccwgroup.h> |
69 | #include <asm/debug.h> | 68 | #include <asm/debug.h> |
@@ -291,6 +290,7 @@ static struct ccw_driver claw_ccw_driver = { | |||
291 | .ids = claw_ids, | 290 | .ids = claw_ids, |
292 | .probe = ccwgroup_probe_ccwdev, | 291 | .probe = ccwgroup_probe_ccwdev, |
293 | .remove = ccwgroup_remove_ccwdev, | 292 | .remove = ccwgroup_remove_ccwdev, |
293 | .int_class = IOINT_CLW, | ||
294 | }; | 294 | }; |
295 | 295 | ||
296 | static ssize_t | 296 | static ssize_t |
@@ -645,7 +645,6 @@ claw_irq_handler(struct ccw_device *cdev, | |||
645 | struct claw_env *p_env; | 645 | struct claw_env *p_env; |
646 | struct chbk *p_ch_r=NULL; | 646 | struct chbk *p_ch_r=NULL; |
647 | 647 | ||
648 | kstat_cpu(smp_processor_id()).irqs[IOINT_CLW]++; | ||
649 | CLAW_DBF_TEXT(4, trace, "clawirq"); | 648 | CLAW_DBF_TEXT(4, trace, "clawirq"); |
650 | /* Bypass all 'unsolicited interrupts' */ | 649 | /* Bypass all 'unsolicited interrupts' */ |
651 | privptr = dev_get_drvdata(&cdev->dev); | 650 | privptr = dev_get_drvdata(&cdev->dev); |