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authorHeiko Carstens <heiko.carstens@de.ibm.com>2011-01-05 14:47:28 +0300
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2011-01-05 14:47:25 +0300
commit052ff461c8427629aee887ccc27478fc7373237c (patch)
tree1b2cae2956cc94c5b32730d467e20ff447b8c072 /drivers/s390/block/dasd_diag.c
parent545b288dcbdea58a2ce2afba5f6a8302d31ac459 (diff)
downloadlinux-052ff461c8427629aee887ccc27478fc7373237c.tar.xz
[S390] irq: have detailed statistics for interrupt types
Up to now /proc/interrupts only has statistics for external and i/o interrupts but doesn't split up them any further. This patch adds a line for every single interrupt source so that it is possible to easier tell what the machine is/was doing. Part of the output now looks like this; CPU0 CPU2 CPU4 EXT: 3898 4232 2305 I/O: 782 315 245 CLK: 1029 1964 727 [EXT] Clock Comparator IPI: 2868 2267 1577 [EXT] Signal Processor TMR: 0 0 0 [EXT] CPU Timer TAL: 0 0 0 [EXT] Timing Alert PFL: 0 0 0 [EXT] Pseudo Page Fault [...] NMI: 0 1 1 [NMI] Machine Checks Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/block/dasd_diag.c')
-rw-r--r--drivers/s390/block/dasd_diag.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 266b34b55403..a3a5db58df18 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -10,6 +10,7 @@
#define KMSG_COMPONENT "dasd"
+#include <linux/kernel_stat.h>
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/slab.h>
@@ -238,6 +239,7 @@ static void dasd_ext_handler(unsigned int ext_int_code,
addr_t ip;
int rc;
+ kstat_cpu(smp_processor_id()).irqs[EXTINT_DSD]++;
switch (ext_int_code >> 24) {
case DASD_DIAG_CODE_31BIT:
ip = (addr_t) param32;