simplebench/results_to_text: make executable

Make results_to_text a tool to dump results saved in JSON file.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20201021145859.11201-21-vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>

diff --git a/scripts/simplebench/results_to_text.py b/scripts/simplebench/results_to_text.py
old mode 100644 (file)
new mode 100755 (executable)
index e46940f..d561e5e
--- a/scripts/simplebench/results_to_text.py
+++ b/scripts/simplebench/results_to_text.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+#
 # Simple benchmarking framework
 #
 # Copyright (c) 2019 Virtuozzo International GmbH.
@@ -110,3 +112,15 @@ def results_to_text(results):
         tab.append(row)
 
     return f'All results are in {dim}\n\n' + tabulate.tabulate(tab)
+
+
+if __name__ == '__main__':
+    import sys
+    import json
+
+    if len(sys.argv) < 2:
+        print(f'USAGE: {sys.argv[0]} results.json')
+        exit(1)
+
+    with open(sys.argv[1]) as f:
+        print(results_to_text(json.load(f)))