1 files changed, 9 insertions, 2 deletions

diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 783ad0065fdf..137ee76a0045 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -18,6 +18,7 @@
 #include <linux/smp.h>
 #include <linux/module.h>
 #include <linux/kprobes.h>
+#include <linux/perf_event.h>
 
 #include <asm/branch.h>
 #include <asm/mmu_context.h>
@@ -144,6 +145,7 @@ good_area:
          * the fault.
          */
         fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0);
+        perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
         if (unlikely(fault & VM_FAULT_ERROR)) {
                 if (fault & VM_FAULT_OOM)
                         goto out_of_memory;
@@ -151,10 +153,15 @@ good_area:
                         goto do_sigbus;
                 BUG();
         }
-        if (fault & VM_FAULT_MAJOR)
+        if (fault & VM_FAULT_MAJOR) {
+                perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ,
+                                1, 0, regs, address);
                 tsk->maj_flt++;
-        else
+        } else {
+                perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN,
+                                1, 0, regs, address);
                 tsk->min_flt++;
+        }
 
         up_read(&mm->mmap_sem);
         return;