Tools: fixed ccache test for newer ccache version

Tools/scripts/build_tests/test_ccache.py

@@ -11,6 +11,7 @@
 parser = argparse.ArgumentParser(description='test ccache performance')
 parser.add_argument('--boards', default='MatekF405,MatekF405-bdshot', help='boards to test')
 parser.add_argument('--min-cache-pct', type=int, default=75, help='minimum acceptable ccache hit rate')
+parser.add_argument('--display', action='store_true', help='parse and show ccache stats')
 
 args = parser.parse_args()
 
@@ -24,9 +25,21 @@ def ccache_stats():
         m = re.match(r"cache.hit\D*(\d+)$", line)
         if m is not None:
             hits += int(m.group(1))
+
         m = re.match(r"cache.miss\D*(\d+)", line)
         if m is not None:
             miss += int(m.group(1))
+
+        m = re.match(r"\s*Hits:\s*(\d+)", line)
+        if m is not None:
+            hits += int(m.group(1))
+
+        m = re.match(r"\s*Misses:\s*(\d+)", line)
+        if m is not None:
+            miss += int(m.group(1))
+
+        if line.startswith("Primary"):
+            break
     return (hits, miss)
 
 
@@ -35,13 +48,19 @@ def build_board(boardname):
     subprocess.run(["./waf", "clean", "copter"])
 
 
+if args.display:
+    (hits, misses) = ccache_stats()
+    print("Hits=%u misses=%u" % (hits, misses))
+    sys.exit(0)
+
 boards = args.boards.split(",")
 if len(boards) != 2:
     print(boards)
     print("Must specify exactly 2 boards (comma separated)")
     sys.exit(1)
 
 os.environ['CCACHE_DIR'] = os.path.join(os.getcwd(), 'build', 'ccache')
+subprocess.run(["ccache", "--version"])
 subprocess.run(["ccache", "-C", "-z"])
 build_board(boards[0])
 subprocess.run(["ccache", "-z"])