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Viewing changes to meliae/perf_counter.py

  • Committer: Bazaar Package Importer
  • Author(s): Jelmer Vernooij
  • Date: 2010-07-20 18:26:22 UTC
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20100720182622-b0ks0nu34mify1lj
Tags: upstream-0.2.1
Import upstream version 0.2.1

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meliae/perf_counter.py
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# Copyright (C) 2009 Canonical Ltd
 
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# Copyright (C) 2009, 2010 Canonical Ltd
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# 
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 3 as
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import ctypes
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import math
 
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import re
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import sys
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import time
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        # This returns wall-clock time
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        return time.time
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    def get_memory(self, process):
 
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        pid = process.pid
 
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        try:
 
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            f = open('/proc/%s/status' % (process.pid,), 'rb')
 
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        except (IOError, OSError):
 
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            return None, None
 
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        try:
 
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            content = f.read()
 
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        finally:
 
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            f.close()
 
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        m = re.search(r'(?i)vmpeak:\s*(?P<peak>\d+) kB', content)
 
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        peak = current = None
 
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        if m is not None:
 
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           peak = int(m.group('peak')) * 1024
 
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        m = re.search(r'(?i)vmsize:\s*(?P<current>\d+) kB', content)
 
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        if m is not None:
 
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           current = int(m.group('current')) * 1024
 
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        return current, peak
 
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class _Win32PerformanceCounter(PerformanceCounter):
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