Current File : //lib/python3.6/site-packages/tracer/resources/memory.py
#-*- coding: utf-8 -*-
# memory.py
# Module to work with files in memory
#
# Copyright (C) 2016 Jakub Kadlcik
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details. You should have received a copy of the
# GNU General Public License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
#
from __future__ import absolute_import
from tracer.resources.processes import Processes
import psutil
def dump_memory(user=None):
"""
Returns memory in BTree structure
{ file_1 : [process_1, process_2, ..., process_n],
...
}
Which describes that processes 1 to `n` is using file_1
"""
memory = {}
for process in Processes.all().owned_by(user).unique():
try:
for file in process.files:
if file in memory:
memory[file].append(process)
else:
memory[file] = [process]
except psutil.NoSuchProcess: pass
except psutil.AccessDenied: pass
return memory
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