Python utility to run tracedump locally

tools/xenosci/local_runner.py

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+#!/usr/bin/env python3
+# Copyright 2017 Justin Moore. All Rights Reserved.
+import argparse
+import glob
+import itertools
+from multiprocessing.dummy import Pool
+import os
+import time
+import subprocess
+import sys
+
+
+def parallel_arg_type(value):
+    ivalue = int(value)
+    if ivalue < 1:
+        raise argparse.ArgumentError(
+            "%s is an invalid number of processes (>= 1)" % ivalue)
+
+    return ivalue
+
+
+def file_type(value):
+    if not os.path.isfile(value):
+        raise argparse.ArgumentError("%s is an invalid filename" % value)
+
+    return value
+
+
+def run_dumper(exe_path, input_name):
+    try:
+        start_time = time.perf_counter()
+
+        p = subprocess.Popen([
+            exe_path,
+            input_name,
+            '--log_file=stdout',
+        ], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        p.wait()
+        elapsed_time = time.perf_counter() - start_time
+        print("%.3f seconds, code %2d (%s)" % (elapsed_time, p.returncode, input_name))
+    except OSError:
+        print("exe is invalid :(")
+
+
+def main(argv):
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        'exepath', help='path to the trace dump executable', type=file_type)
+    parser.add_argument('files', nargs='*')
+    parser.add_argument('-j', type=parallel_arg_type,
+                        help='number of parallel processes', default=1)
+    args = parser.parse_args(argv[1:])
+    exepath = args.exepath
+
+    files = []
+    for wildcard in args.files:
+        files.extend(glob.glob(wildcard))
+
+    if len(files) == 0:
+        print("No input files found!")
+        return 1
+
+    print("Processing...")
+    pool = Pool(args.j)
+
+    start_time = time.perf_counter()
+    results = pool.starmap(run_dumper, zip(itertools.repeat(exepath), files))
+    pool.close()
+    pool.join()
+
+    elapsed_time = time.perf_counter() - start_time
+    print("entire runtime took %.3f seconds" % elapsed_time)
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))