Index: ELF/Writer.cpp
===================================================================
--- ELF/Writer.cpp
+++ ELF/Writer.cpp
@@ -24,6 +24,7 @@
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/Support/FileOutputBuffer.h"
 #include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Timer.h"
 #include <climits>
 
 using namespace llvm;
@@ -365,8 +366,32 @@
   InX::IgotPlt = make<IgotPltSection>();
   Add(InX::IgotPlt);
 
+  double TotalWallTime = 0.0;
+  double Min = std::numeric_limits<double>::max();
+  double Max = std::numeric_limits<double>::min();
+  uint64_t N = 0;
+
   if (Config->GdbIndex) {
-    InX::GdbIndex = createGdbIndex<ELFT>();
+    Timer T("Name", "Desc");
+
+    while (++N) {
+      T.startTimer();
+      InX::GdbIndex = createGdbIndex<ELFT>();
+      T.stopTimer();
+
+      double WallT = T.getTotalTime().getWallTime();
+      T.clear();
+
+      Min = std::min(Min, WallT);
+      Max = std::max(Max, WallT);
+      TotalWallTime += WallT;
+
+      outs() << "Avg: " << (TotalWallTime / N) << ", N: " << N
+             << " Min: " << Min << ", Max: " << Max << ", Last: " << WallT
+             << "\n";
+      outs().flush();
+    }
+
     Add(InX::GdbIndex);
   }