diff --git a/libs/hwui/Properties.h b/libs/hwui/Properties.h
index ea9cbd5..1cb87be 100644
--- a/libs/hwui/Properties.h
+++ b/libs/hwui/Properties.h
@@ -158,6 +158,20 @@
 #define PROPERTY_CAPTURE_SKP_FILENAME "debug.hwui.skp_filename"
 
 /**
+ * Controls whether HWUI will send timing hints to HintManager for
+ * better CPU scheduling. Accepted values are "true" and "false".
+ */
+#define PROPERTY_USE_HINT_MANAGER "debug.hwui.use_hint_manager"
+
+/**
+ * Percentage of frame time that's used for CPU work. The rest is
+ * reserved for GPU work. This is used with use_hint_manager to
+ * provide timing hints to HintManager. Accepted values are
+ * integer from 1-100.
+ */
+#define PROPERTY_TARGET_CPU_TIME_PERCENTAGE "debug.hwui.target_cpu_time_percent"
+
+/**
  * Property for whether this is running in the emulator.
  */
 #define PROPERTY_IS_EMULATOR "ro.boot.qemu"
@@ -253,6 +267,9 @@
 
     static float defaultSdrWhitePoint;
 
+    static bool useHintManager;
+    static int targetCpuTimePercentage;
+
 private:
     static ProfileType sProfileType;
     static bool sDisableProfileBars;