| # Copyright 2013 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import sys |
| |
| from lib.bucket import BUCKET_ID |
| from lib.subcommand import SubCommand |
| |
| |
| class StacktraceCommand(SubCommand): |
| def __init__(self): |
| super(StacktraceCommand, self).__init__( |
| 'Usage: %prog stacktrace <dump>') |
| |
| def do(self, sys_argv): |
| _, args = self._parse_args(sys_argv, 1) |
| dump_path = args[1] |
| (bucket_set, dump) = SubCommand.load_basic_files(dump_path, False) |
| |
| StacktraceCommand._output(dump, bucket_set, sys.stdout) |
| return 0 |
| |
| @staticmethod |
| def _output(dump, bucket_set, out): |
| """Outputs a given stacktrace. |
| |
| Args: |
| bucket_set: A BucketSet object. |
| out: A file object to output. |
| """ |
| for line in dump.iter_stacktrace: |
| words = line.split() |
| bucket = bucket_set.get(int(words[BUCKET_ID])) |
| if not bucket: |
| continue |
| for i in range(0, BUCKET_ID - 1): |
| out.write(words[i] + ' ') |
| for frame in bucket.symbolized_stackfunction: |
| out.write(frame + ' ') |
| out.write('\n') |
