| #!/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 |