diff --git a/tools/debug/core/error_ref_leak.py b/tools/debug/core/error_ref_leak.py new file mode 100644 index 00000000000..6582328a5b8 --- /dev/null +++ b/tools/debug/core/error_ref_leak.py @@ -0,0 +1,47 @@ +#!/usr/bin/env python2.7 +# +# Copyright 2017 gRPC authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# Reads stdin to find error_refcount log lines, and prints reference leaks +# to stdout + +# usege: python error_ref_leak < logfile.txt + +import sys +import re + +data = sys.stdin.readlines() + +errs = [] +for line in data: + # if we care about the line + if re.search(r'error.cc', line): + # str manip to cut off left part of log line + line = line.partition('error.cc:')[-1] + line = re.sub(r'\d+] ', r'', line) + line = line.strip().split() + err = line[0].strip(":") + if line[1] == "create": + assert(err not in errs) + errs.append(err) + elif line[0] == "realloc": + errs.remove(line[1]) + errs.append(line[3]) + # explicitly look for the last dereference + elif line[1] == "1" and line[3] == "0": + assert(err in errs) + errs.remove(err) + +print "leaked:", errs