1 files changed, 9 insertions, 1 deletions

diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 76993941cac9..5beffc8f481e 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -29,6 +29,7 @@
 #include <linux/module.h>
 #include <linux/kprobes.h>
 #include <linux/kdebug.h>
+#include <linux/perf_counter.h>
 
 #include <asm/firmware.h>
 #include <asm/page.h>
@@ -170,6 +171,8 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
                 die("Weird page fault", regs, SIGSEGV);
         }
 
+        perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+
         /* When running in the kernel we expect faults to occur only to
          * addresses in user space.  All other faults represent errors in the
          * kernel and should generate an OOPS.  Unfortunately, in the case of an
@@ -309,6 +312,8 @@ good_area:
         }
         if (ret & VM_FAULT_MAJOR) {
                 current->maj_flt++;
+                perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+                                     regs, address);
 #ifdef CONFIG_PPC_SMLPAR
                 if (firmware_has_feature(FW_FEATURE_CMO)) {
                         preempt_disable();
@@ -316,8 +321,11 @@ good_area:
                         preempt_enable();
                 }
 #endif
-        } else
+        } else {
                 current->min_flt++;
+                perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+                                     regs, address);
+        }
         up_read(&mm->mmap_sem);
         return 0;