rename cl_timeframes to demo_timeframes and make it /not/ archive.

move call to CL_TimeFrames_AddTimestamp from cl_main.c to cl_demo.c.

add a hacky little python script to create a pnm (portable anymap file
format) graph from timeframes.txt

tools/misc/timeframes.py

@@ -0,0 +1,97 @@
+import array
+
+black   = (  0,  0,  0)
+blue    = (  0,  0,255)
+green   = (  0,255,  0)
+cyan    = (  0,255,255)
+red     = (255,  0,  0)
+magenta = (255,  0,255)
+yellow  = (255,255,  0)
+white   = (255,255,  0)
+
+def plot (x, y, color):
+	y = height - 1 - y
+	p = (y * width + x) * 3
+	a[p + 0], a[p + 1], a[p + 2] = color
+
+def vline (x, y1, y2, color):
+	if y1 == y2:
+		plot (x, y1, color)
+	elif y1 < y2:
+		for y in range (y1, y2 + 1):
+			plot (x, y, color)
+	else:
+		for y in range (y2, y1 + 1):
+			plot (x, y, color)
+
+def hline (x1, x2, y, color):
+	if x1 == x2:
+		plot (x1, y, color)
+	elif x1 < x2:
+		for x in range (x1, x2 + 1):
+			plot (x, y, color)
+	else:
+		for x in range (x2, x1 + 1):
+			plot (x, y, color)
+
+f = open ("timeframes.txt", "rt")
+lines = f.readlines ()
+f.close
+
+times = map (lambda x: (int(x) + 5)/100, lines[2:])
+
+sum = 0
+min=max=times[0]
+for t in times:
+	if min > t:
+		min = t
+	if max < t:
+		max = t
+	sum = sum + t
+
+print min/10.0, max/10.0, sum/10.0 / len(times)
+average = sum / len(times)
+
+group = 1
+width = (len (times) + group - 1) / group
+height = max + 1
+a = array.array ('B', '\0' * height * width * 3)
+
+ravg = 0.0
+ravg_span = 20
+for x in range (width):
+	if group > 1:
+		tset = times[x * group: x * group + group]
+		sum = 0;
+		min = max = tset[0]
+		for t in tset:
+			if min > t:
+				min = t
+			if max < t:
+				max = t
+			sum = sum + t
+		if x:
+			oldavg = avg
+		avg = sum / len (tset)
+		vline (x, min, max, green)
+		if x:
+			vline (x, oldavg, avg, yellow)
+		else:
+			plot (x, avg, yellow)
+	else:
+		if x < width - 1:
+			vline (x, times[x], times[x + 1], yellow)
+		plot (x, times[x], red)
+		plot (x, int (ravg + 0.5), cyan)
+		if (x >= ravg_span):
+			ravg -= times[x - ravg_span]/float(ravg_span)
+		ravg += times[x]/float(ravg_span)
+hline (0, width - 1, average, blue)
+
+f = open ("timeframes.ppm", "wb")
+f.write ("P6\n")
+f.write ("#File written by timeframes.py\n")
+f.write (`width` + " " + `height` + "\n")
+f.write ("255\n")
+f.write (a.tostring ())
+f.close ()