test: Run bench sanity checks in parallel with functional tests

test/functional/tool_bench_sanity_check.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+# Copyright (c) The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or https://opensource.org/license/mit/.
+"""Special script to run each bench sanity check
+"""
+import shlex
+import subprocess
+
+from test_framework.test_framework import BitcoinTestFramework
+
+
+class BenchSanityCheck(BitcoinTestFramework):
+    def set_test_params(self):
+        self.num_nodes = 0  # No node/datadir needed
+
+    def setup_network(self):
+        pass
+
+    def skip_test_if_missing_module(self):
+        self.skip_if_no_bitcoin_bench()
+
+    def add_options(self, parser):
+        parser.add_argument(
+            "--bench",
+            default=".*",
+            help="Regex to filter the bench to run (default=%(default)s)",
+        )
+
+    def run_test(self):
+        cmd = self.get_binaries().bench_argv() + [
+            f"-filter={self.options.bench}",
+            "-sanity-check",
+        ]
+        self.log.info(f"Starting: {shlex.join(cmd)}")
+        subprocess.run(cmd, check=True)
+        self.log.info("Success!")
+
+
+if __name__ == "__main__":
+    BenchSanityCheck(__file__).main()