From 77e7b6cd65a15da46bf8ae3e28f12dc166505d6f Mon Sep 17 00:00:00 2001
From: David Peter <mail@david-peter.de>
Date: Mon, 17 Apr 2023 22:27:28 +0200
Subject: [PATCH] Add --log-count option to plot_histogram.py

---
 scripts/plot_histogram.py | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/scripts/plot_histogram.py b/scripts/plot_histogram.py
index b084defd0..9700b907e 100755
--- a/scripts/plot_histogram.py
+++ b/scripts/plot_histogram.py
@@ -17,15 +17,18 @@
 parser.add_argument(
     "--type", help="Type of histogram (*bar*, barstacked, step, stepfilled)"
 )
-parser.add_argument(
-    "-o", "--output", help="Save image to the given filename."
-)
+parser.add_argument("-o", "--output", help="Save image to the given filename.")
 parser.add_argument(
     "--t-min", metavar="T", help="Minimum time to be displayed (seconds)"
 )
 parser.add_argument(
     "--t-max", metavar="T", help="Maximum time to be displayed (seconds)"
 )
+parser.add_argument(
+    "--log-count",
+    help="Use a logarithmic y-axis for the event count",
+    action="store_true",
+)
 
 args = parser.parse_args()
 
@@ -45,7 +48,11 @@
 histtype = args.type if args.type else "bar"
 
 plt.hist(
-    all_times, label=labels, bins=bins, histtype=histtype, range=(t_min, t_max),
+    all_times,
+    label=labels,
+    bins=bins,
+    histtype=histtype,
+    range=(t_min, t_max),
 )
 plt.legend(prop={"family": ["Source Code Pro", "Fira Mono", "Courier New"]})
 
@@ -53,6 +60,11 @@
 if args.title:
     plt.title(args.title)
 
+if args.log_count:
+    plt.yscale("log")
+else:
+    plt.ylim(0, None)
+
 if args.output:
     plt.savefig(args.output)
 else: