123 lines
4.2 KiB
Python
123 lines
4.2 KiB
Python
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#!/usr/bin/env python
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#
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# Copyright (c) 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import re
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import sys
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from sets import Set
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_ENTRIES = [
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('Total', '.* r... .*'),
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('Read-only', '.* r--. .*'),
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('Read-write', '.* rw.. .*'),
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('Executable', '.* ..x. .*'),
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('Anonymous total', '.* .... .* .*other=[0-9]+ ($|.*chromium:.*)'),
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('Anonymous read-write', '.* rw.. .* .*other=[0-9]+ ($|.*chromium:.*)'),
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('Anonymous executable (JIT\'ed code)', '.* ..x. .* shared_other=[0-9]+ $'),
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('File total', '.* .... .* /.*'),
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('File read-write', '.* rw.. .* /.*'),
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('File executable', '.* ..x. .* /.*'),
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('chromium mmap', '.* r... .*chromium:.*'),
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('chromium TransferBuffer', '.* r... .*chromium:.*CreateTransferBuffer.*'),
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('Galaxy Nexus GL driver', '.* r... .*pvrsrvkm.*'),
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('Dalvik', '.* rw.. .* /.*dalvik.*'),
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('Dalvik heap', '.* rw.. .* /.*dalvik-heap.*'),
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('Native heap (jemalloc)', '.* r... .* /.*jemalloc.*'),
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('System heap', '.* r... .* \\[heap\\]'),
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('Ashmem', '.* rw.. .* /dev/ashmem .*'),
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('libchromeview.so total', '.* r... .* /.*libchromeview.so'),
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('libchromeview.so read-only', '.* r--. .* /.*libchromeview.so'),
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('libchromeview.so read-write', '.* rw-. .* /.*libchromeview.so'),
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('libchromeview.so executable', '.* r.x. .* /.*libchromeview.so'),
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]
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def _CollectMemoryStats(memdump, region_filters):
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processes = []
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mem_usage_for_regions = None
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regexps = {}
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for region_filter in region_filters:
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regexps[region_filter] = re.compile(region_filter)
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for line in memdump:
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if 'PID=' in line:
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mem_usage_for_regions = {}
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processes.append(mem_usage_for_regions)
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continue
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matched_regions = Set([])
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for region_filter in region_filters:
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if regexps[region_filter].match(line.rstrip('\r\n')):
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matched_regions.add(region_filter)
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if not region_filter in mem_usage_for_regions:
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mem_usage_for_regions[region_filter] = {
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'private_unevictable': 0,
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'private': 0,
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'shared_app': 0.0,
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'shared_other_unevictable': 0,
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'shared_other': 0,
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}
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for matched_region in matched_regions:
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mem_usage = mem_usage_for_regions[matched_region]
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for key in mem_usage:
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for token in line.split(' '):
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if (key + '=') in token:
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field = token.split('=')[1]
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if key != 'shared_app':
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mem_usage[key] += int(field)
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else: # shared_app=[\d,\d...]
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array = eval(field)
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for i in xrange(len(array)):
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mem_usage[key] += float(array[i]) / (i + 2)
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break
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return processes
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def _ConvertMemoryField(field):
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return str(field / (1024.0 * 1024))
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def _DumpCSV(processes_stats):
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total_map = {}
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i = 0
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for process in processes_stats:
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i += 1
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print (',Process ' + str(i) + ',private,private_unevictable,shared_app,' +
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'shared_other,shared_other_unevictable,')
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for (k, v) in _ENTRIES:
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if not v in process:
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print ',' + k + ',0,0,0,0,'
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continue
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if not v in total_map:
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total_map[v] = {'resident':0, 'unevictable':0}
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total_map[v]['resident'] += (process[v]['private'] +
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process[v]['shared_app'])
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total_map[v]['unevictable'] += process[v]['private_unevictable']
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print (
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',' + k + ',' +
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_ConvertMemoryField(process[v]['private']) + ',' +
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_ConvertMemoryField(process[v]['private_unevictable']) + ',' +
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_ConvertMemoryField(process[v]['shared_app']) + ',' +
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_ConvertMemoryField(process[v]['shared_other']) + ',' +
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_ConvertMemoryField(process[v]['shared_other_unevictable']) + ','
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)
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print ''
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for (k, v) in _ENTRIES:
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if not v in total_map:
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print ',' + k + ',0,0,'
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continue
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print (',' + k + ',' + _ConvertMemoryField(total_map[v]['resident']) + ',' +
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_ConvertMemoryField(total_map[v]['unevictable']) + ',')
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print ''
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def main(argv):
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_DumpCSV(_CollectMemoryStats(sys.stdin, [value for (key, value) in _ENTRIES]))
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if __name__ == '__main__':
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main(sys.argv)
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