/usr/lib/python2.7/dist-packages/dolfin/common/memory.py is in python-dolfin 1.3.0+dfsg-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | # Copyright (C) 2010 Anders Logg
#
# This file is part of DOLFIN.
#
# DOLFIN is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# DOLFIN is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
#
# First added: 2010-02-14
# Last changed: 2010-02-14
import os
__all__ = ["memory_usage"]
def memory_usage(as_string=True):
"""
Return memory usage of current process. Note that this function
only works on Linux systems. If the flag as_string is true, memory
usage is returned as a string. Otherwise, a tuple of integers is
returned with current memory usage and maximum memory usage in kB.
"""
# Try reading /proc
try:
pid = os.getpid()
status = open("/proc/%d/status" % pid).read()
except:
return "Failed to get memory usage, chances are you are not running GNU/Linux."
# Parse values
vmsize = int(status.split("VmSize:")[1].split("kB")[0])
vmpeak = int(status.split("VmPeak:")[1].split("kB")[0])
# Return values
if as_string:
return "Memory usage is %d kB (peak usage is %d kB)" % (vmsize, vmpeak)
else:
return (vmsize, vmpeak)
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