diff --git a/runtime/monitor.cc b/runtime/monitor.cc
index bb33047..18a6fc4 100644
--- a/runtime/monitor.cc
+++ b/runtime/monitor.cc
@@ -437,17 +437,11 @@
                     << " in " << ArtMethod::PrettyMethod(m) << " for "
                     << PrettyDuration(MsToNs(wait_ms));
               }
-              const char* owners_filename;
-              int32_t owners_line_number;
-              TranslateLocation(owners_method,
-                                owners_dex_pc,
-                                &owners_filename,
-                                &owners_line_number);
               LogContentionEvent(self,
                                  wait_ms,
                                  sample_percent,
-                                 owners_filename,
-                                 owners_line_number);
+                                 owners_method,
+                                 owners_dex_pc);
             }
           }
         }
diff --git a/runtime/monitor.h b/runtime/monitor.h
index e80d31c..6dc706f 100644
--- a/runtime/monitor.h
+++ b/runtime/monitor.h
@@ -181,8 +181,11 @@
       REQUIRES_SHARED(Locks::mutator_lock_)
       NO_THREAD_SAFETY_ANALYSIS;  // For m->Install(self)
 
-  void LogContentionEvent(Thread* self, uint32_t wait_ms, uint32_t sample_percent,
-                          const char* owner_filename, int32_t owner_line_number)
+  void LogContentionEvent(Thread* self,
+                          uint32_t wait_ms,
+                          uint32_t sample_percent,
+                          ArtMethod* owner_method,
+                          uint32_t owner_dex_pc)
       REQUIRES_SHARED(Locks::mutator_lock_);
 
   static void FailedUnlock(mirror::Object* obj,
diff --git a/runtime/monitor_android.cc b/runtime/monitor_android.cc
index 1dd60f8..a597852 100644
--- a/runtime/monitor_android.cc
+++ b/runtime/monitor_android.cc
@@ -49,8 +49,15 @@
   return dst + len;
 }
 
-void Monitor::LogContentionEvent(Thread* self, uint32_t wait_ms, uint32_t sample_percent,
-                                 const char* owner_filename, int32_t owner_line_number) {
+void Monitor::LogContentionEvent(Thread* self,
+                                 uint32_t wait_ms,
+                                 uint32_t sample_percent,
+                                 ArtMethod* owner_method,
+                                 uint32_t owner_dex_pc) {
+  const char* owner_filename;
+  int32_t owner_line_number;
+  TranslateLocation(owner_method, owner_dex_pc, &owner_filename, &owner_line_number);
+
   // Emit the event list length, 1 byte.
   char eventBuffer[174];
   char* cp = eventBuffer;
diff --git a/runtime/monitor_linux.cc b/runtime/monitor_linux.cc
index 1c77ac0..6678661 100644
--- a/runtime/monitor_linux.cc
+++ b/runtime/monitor_linux.cc
@@ -18,7 +18,7 @@
 
 namespace art {
 
-void Monitor::LogContentionEvent(Thread*, uint32_t, uint32_t, const char*, int32_t) {
+void Monitor::LogContentionEvent(Thread*, uint32_t, uint32_t, ArtMethod*, uint32_t) {
 }
 
 }  // namespace art