[S390] oprofile: add missing irq stats counter

Count CPU measurement external interrupts as well.

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

3 files changed, 4 insertions, 0 deletions

diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index db14a311f1d2..1544b90bd6d6 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -15,6 +15,7 @@ enum interruption_class {
         EXTINT_VRT,
         EXTINT_SCP,
         EXTINT_IUC,
+        EXTINT_CPM,
         IOINT_QAI,
         IOINT_QDI,
         IOINT_DAS,
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index ea5099c9709c..e204f9597aaf 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -32,6 +32,7 @@ static const struct irq_class intrclass_names[] = {
         {.name = "VRT", .desc = "[EXT] Virtio" },
         {.name = "SCP", .desc = "[EXT] Service Call" },
         {.name = "IUC", .desc = "[EXT] IUCV" },
+        {.name = "CPM", .desc = "[EXT] CPU Measurement" },
         {.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt" },
         {.name = "QDI", .desc = "[I/O] QDIO Interrupt" },
         {.name = "DAS", .desc = "[I/O] DASD" },
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);