diff --git a/test/prsim_plot.py b/test/prsim_plot.py
index 3064344..0cad3e5 100755
--- a/test/prsim_plot.py
+++ b/test/prsim_plot.py
@@ -53,6 +53,20 @@ Use -exclude='regex' to specify signals to exclude (or -ex).""")
 			else:
 				raise Exception("Unknown colour given. I cba to code up general colours atm.")
 
+	# Check if start time given
+	for arg in argv:
+		r = re.findall(r'-t0=(\d+)', arg)
+		if len(r) >= 1:
+			print(f"Filtering by start time t0 = {r[0]}")
+			entries = [e for e in entries if int(e[0]) >= int(r[0])]
+
+	# Check if end time given
+	for arg in argv:
+		r = re.findall(r'-t1=(\d+)', arg)
+		if len(r) >= 1:
+			print(f"Filtering by start time t0 = {r[0]}")
+			entries = [e for e in entries if int(e[0]) <= int(r[0])]
+
 
 	# Check if user gave an include filter
 	include_given = False
@@ -72,6 +86,18 @@ Use -exclude='regex' to specify signals to exclude (or -ex).""")
 			exclude_given = True
 			exclude_re = r[0][1]
 
+	# Check if user gave "keep all times" flag
+	# This is so you can look at certain signals only
+	# without them all bunching up.
+	include_all_times = False
+	for arg in argv:
+		r = re.findall(r'(-alltimes?)', arg)
+		if len(r) >= 1:
+			include_all_times = True
+
+	# Get list of all times (before filtering)
+	unique_times = np.unique([int(e[0]) for e in entries])
+
 	assert not (exclude_given and include_given), "Can't give include and exclude re simultaneously."
 	if include_given: print(f"Including signals that match regex {include_re}")
 	if exclude_given: print(f"Excluding signals that match regex {exclude_re}")
@@ -82,27 +108,15 @@ Use -exclude='regex' to specify signals to exclude (or -ex).""")
 	if exclude_given:
 		entries = [e for e in entries if re.search(exclude_re, e[1]) == None]
 
-	# Check if start time given
-	for arg in argv:
-		r = re.findall(r'-t0=(\d+)', arg)
-		if len(r) >= 1:
-			print(f"Filtering by start time t0 = {r[0]}")
-			entries = [e for e in entries if int(e[0]) >= int(r[0])]
-
-	# Check if end time given
-	for arg in argv:
-		r = re.findall(r'-t1=(\d+)', arg)
-		if len(r) >= 1:
-			print(f"Filtering by start time t0 = {r[0]}")
-			entries = [e for e in entries if int(e[0]) <= int(r[0])]
-
 	assert len(entries) >= 1, "No valid entries in prsim.out!"
 
-	# Get list of all sigs and times
-	times = np.array([int(e[0]) for e in entries])
-	unique_times = np.unique(times)
 	num_times = unique_times.shape[0]
 
+	# Get list of all times (after filtering)
+	times = np.array([int(e[0]) for e in entries])
+	if not include_all_times: unique_times = np.unique(times)
+
+	# Get list of all sigs
 	sigs = np.array([e[1] for e in entries])
 	unique_sigs = np.unique(sigs)
 	num_sigs = unique_sigs.shape[0]