2 files changed, 14 insertions, 0 deletions
diff --git a/tools/timer/Timer.cpp b/tools/timer/Timer.cpp
index a9f04afe75..e430404b3d 100644
--- a/tools/timer/Timer.cpp
+++ b/tools/timer/Timer.cpp
@@ -51,3 +51,14 @@ void WallTimer::start() {
 void WallTimer::end() {
     fWall = fSysTimer.endWall();
 }
+
+SkString HumanizeMs(double ms) {
+    if (ms > 1e+3)     return SkStringPrintf("%.3gs",  ms/1e3);
+    if (ms < 1e-3)     return SkStringPrintf("%.3gns", ms*1e6);
+#ifdef SK_BUILD_FOR_WIN
+    if (ms < 1)        return SkStringPrintf("%.3gus", ms*1e3);
+#else
+    if (ms < 1)        return SkStringPrintf("%.3gµs", ms*1e3);
+#endif
+    return SkStringPrintf("%.3gms", ms);
+}
diff --git a/tools/timer/Timer.h b/tools/timer/Timer.h
index 81d1ca50ef..e28a515b54 100644
--- a/tools/timer/Timer.h
+++ b/tools/timer/Timer.h
@@ -8,6 +8,7 @@
 #define Timer_DEFINED
 
 #include "SkTypes.h"
+#include "SkString.h"
 
 #if defined(SK_BUILD_FOR_WIN32)
     #include "SysTimer_windows.h"
@@ -70,4 +71,6 @@ private:
     SysTimer fSysTimer;
 };
 
+SkString HumanizeMs(double);
+
 #endif