[S390] oprofile: add missing irq stats counter

Count CPU measurement external interrupts as well.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c
index 8e686bfe2959..cb4338ccbf7b 100644
--- a/arch/s390/oprofile/hwsampler.c
+++ b/arch/s390/oprofile/hwsampler.c
@@ -5,6 +5,7 @@
  * Author: Heinz Graalfs <graalfs@de.ibm.com>
  */
 
+#include <linux/kernel_stat.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/smp.h>
@@ -677,6 +678,7 @@ static void hws_ext_handler(unsigned int ext_int_code,
         int cpu;
         struct hws_cpu_buffer *cb;
 
+        kstat_cpu(smp_processor_id()).irqs[EXTINT_CPM]++;
         cpu = smp_processor_id();
         cb = &per_cpu(sampler_cpu_buffer, cpu);