diff --git a/libs/video/renderer/gl/gl_rmisc.c b/libs/video/renderer/gl/gl_rmisc.c
index 40a5de40a..faacd27c2 100644
--- a/libs/video/renderer/gl/gl_rmisc.c
+++ b/libs/video/renderer/gl/gl_rmisc.c
@@ -260,5 +260,5 @@ gl_R_TimeRefresh_f (void)
 
 	stop = Sys_DoubleTime ();
 	time = stop - start;
-	Sys_MaskPrintf (SYS_DEV, "%f seconds (%f fps)\n", time, 128 / time);
+	Sys_Printf ("%g seconds (%g fps)\n", time, 128 / time);
 }
diff --git a/libs/video/renderer/glsl/glsl_main.c b/libs/video/renderer/glsl/glsl_main.c
index f83594409..2f28cc722 100644
--- a/libs/video/renderer/glsl/glsl_main.c
+++ b/libs/video/renderer/glsl/glsl_main.c
@@ -247,7 +247,9 @@ void
 glsl_R_Init (void)
 {
 	Cmd_AddCommand ("pointfile", glsl_R_ReadPointFile_f,
-					"Load a pointfile to determine map leaks");
+					"Load a pointfile to determine map leaks.");
+	Cmd_AddCommand ("timerefresh", glsl_R_TimeRefresh_f,
+					"Test the current refresh rate for the current location.");
 	R_Init_Cvars ();
 	glsl_R_Particles_Init_Cvars ();
 	Draw_Init ();
@@ -295,3 +297,23 @@ glsl_R_ClearState (void)
 	R_ClearDlights ();
 	glsl_R_ClearParticles ();
 }
+
+void
+glsl_R_TimeRefresh_f (void)
+{
+	double      start, stop, time;
+	int         i;
+
+	vid.end_rendering ();
+
+	start = Sys_DoubleTime ();
+	for (i = 0; i < 128; i++) {
+		r_refdef.viewangles[1] = i * (360.0 / 128.0);
+		glsl_R_RenderView ();
+		vid.end_rendering ();
+	}
+
+	stop = Sys_DoubleTime ();
+	time = stop - start;
+	Sys_Printf ("%g seconds (%g fps)\n", time, 128 / time);
+}
diff --git a/libs/video/renderer/sw/sw_rmisc.c b/libs/video/renderer/sw/sw_rmisc.c
index 82a3cd648..f30200ffa 100644
--- a/libs/video/renderer/sw/sw_rmisc.c
+++ b/libs/video/renderer/sw/sw_rmisc.c
@@ -78,7 +78,7 @@ R_TimeRefresh_f (void)
 	}
 	stop = Sys_DoubleTime ();
 	time = stop - start;
-	Sys_Printf ("%f seconds (%f fps)\n", time, 128 / time);
+	Sys_Printf ("%g seconds (%g fps)\n", time, 128 / time);
 
 	r_refdef.viewangles[1] = startangle;
 }
diff --git a/libs/video/renderer/sw32/sw32_rmisc.c b/libs/video/renderer/sw32/sw32_rmisc.c
index b7af00c85..be5c0b914 100644
--- a/libs/video/renderer/sw32/sw32_rmisc.c
+++ b/libs/video/renderer/sw32/sw32_rmisc.c
@@ -81,7 +81,7 @@ sw32_R_TimeRefresh_f (void)
 	}
 	stop = Sys_DoubleTime ();
 	time = stop - start;
-	Sys_Printf ("%f seconds (%f fps)\n", time, 128 / time);
+	Sys_Printf ("%g seconds (%g fps)\n", time, 128 / time);
 
 	r_refdef.viewangles[1] = startangle;
 }