3 # kills aptitude processes that eat an excessive amount of resources
5 # Copyright 2013 Peter Palfrader
7 # Permission is hereby granted, free of charge, to any person obtaining
8 # a copy of this software and associated documentation files (the
9 # "Software"), to deal in the Software without restriction, including
10 # without limitation the rights to use, copy, modify, merge, publish,
11 # distribute, sublicense, and/or sell copies of the Software, and to
12 # permit persons to whom the Software is furnished to do so, subject to
13 # the following conditions:
15 # The above copyright notice and this permission notice shall be
16 # included in all copies or substantial portions of the Software.
18 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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20 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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29 total_mem = psutil.phymem_usage().total
32 for p in psutil.process_iter():
33 if p.name != 'aptitude': continue
35 if parent is None: continue
36 if parent.name != 'schroot': continue
38 rootdir = os.readlink('/proc/%d/root'%(p.pid,))
39 if not rootdir.startswith('/var/lib/schroot/mount'): continue
41 used = p.get_memory_info().vms
42 if used < total_mem: continue
44 cputime = p.get_cpu_times().user
45 if cputime < cutoff_time: continue