diff --git a/twrp-functions.cpp b/twrp-functions.cpp
index 1798c49..cd8700f 100644
--- a/twrp-functions.cpp
+++ b/twrp-functions.cpp
@@ -42,6 +42,7 @@
 #include "partitions.hpp"
 #include "variables.h"
 #include "bootloader.h"
+#include "cutils/properties.h"
 #ifdef ANDROID_RB_POWEROFF
 	#include "cutils/android_reboot.h"
 #endif
@@ -1278,4 +1279,14 @@
 #endif
 }
 
+void TWFunc::SetPerformanceMode(bool mode) {
+	if (mode) {
+		property_set("recovery.perf.mode", "1");
+	} else {
+		property_set("recovery.perf.mode", "0");
+	}
+	// Some time for events to catch up to init handlers
+	usleep(500000);
+}
+
 #endif // ndef BUILD_TWRPTAR_MAIN