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,
19 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 # XXX: This is a hack, but since we are run from cron, it's
33 # better to handle this on the next run than to send mail.
34 if e.errno == errno.ENOENT:
37 total_mem = psutil.phymem_usage().total
40 for p in psutil.process_iter():
42 if p.name != 'aptitude': continue
44 if parent is None: continue
45 if parent.name != 'schroot': continue
48 rootdir = os.readlink('/proc/%d/root'%(p.pid,))
50 if e.errno == errno.ENOENT:
54 if not rootdir.startswith('/var/lib/schroot/mount'): continue
56 used = p.get_memory_info().vms
57 if used < total_mem: continue
59 cputime = p.get_cpu_times().user
60 if cputime < cutoff_time: continue
63 except psutil.error.NoSuchProcess: