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Unified Diff: tools/find_runtime_symbols/parse_proc_maps.py

Issue 10825075: Classify memory usage by allocated type in Deep Memory Profiler. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebased Created 8 years, 3 months ago
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Index: tools/find_runtime_symbols/parse_proc_maps.py
diff --git a/tools/find_runtime_symbols/parse_proc_maps.py b/tools/find_runtime_symbols/parse_proc_maps.py
deleted file mode 100755
index 13c15681cac223c7cc245bf7a7aa19566d460080..0000000000000000000000000000000000000000
--- a/tools/find_runtime_symbols/parse_proc_maps.py
+++ /dev/null
@@ -1,104 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 2012 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 re
-import sys
-
-
-_MAPS_PATTERN = re.compile(
- '^([a-f0-9]+)-([a-f0-9]+)\s+(.)(.)(.)(.)\s+([a-f0-9]+)\s+(\S+):(\S+)\s+'
- '(\d+)\s+(\S+)$', re.IGNORECASE)
-
-
-class ProcMapsEntry(object):
- """A class representing one line in /proc/.../maps."""
-
- def __init__(
- self, begin, end, readable, writable, executable, private, offset,
- major, minor, inode, name):
- self.begin = begin
- self.end = end
- self.readable = readable
- self.writable = writable
- self.executable = executable
- self.private = private
- self.offset = offset
- self.major = major
- self.minor = minor
- self.inode = inode
- self.name = name
-
-
-class ProcMaps(object):
- """A class representing contents in /proc/.../maps."""
-
- def __init__(self):
- self._sorted_indexes = []
- self._dictionary = {}
- self._sorted = True
-
- def append(self, entry):
- if self._sorted_indexes and self._sorted_indexes[-1] > entry.begin:
- self._sorted = False
- self._sorted_indexes.append(entry.begin)
- self._dictionary[entry.begin] = entry
-
- def iter(self, condition):
- if not self._sorted:
- self._sorted_indexes.sort()
- self._sorted = True
- for index in self._sorted_indexes:
- if not condition or condition(self._dictionary[index]):
- yield self._dictionary[index]
-
- def __iter__(self):
- if not self._sorted:
- self._sorted_indexes.sort()
- self._sorted = True
- for index in self._sorted_indexes:
- yield self._dictionary[index]
-
-
-def parse_proc_maps(f):
- table = ProcMaps()
- for line in f:
- matched = _MAPS_PATTERN.match(line)
- if matched:
- table.append(ProcMapsEntry(
- int(matched.group(1), 16), # begin
- int(matched.group(2), 16), # end
- matched.group(3), # readable
- matched.group(4), # writable
- matched.group(5), # executable
- matched.group(6), # private
- int(matched.group(7), 16), # offset
- matched.group(8), # major
- matched.group(9), # minor
- int(matched.group(10), 10), # inode
- matched.group(11) # name
- ))
-
- return table
-
-
-def main():
- if len(sys.argv) < 2:
- sys.stderr.write("""Usage:
-%s /path/to/maps
-""" % sys.argv[0])
- return 1
-
- with open(sys.argv[1], mode='r') as f:
- maps = parse_proc_maps(f)
-
- for entry in maps:
- print "%016x-%016x +%06x %s" % (
- entry.begin, entry.end, entry.offset, entry.name)
-
- return 0
-
-
-if __name__ == '__main__':
- sys.exit(main())
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