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#! /usr/bin/python
# -*- python -*-
# -*- coding: utf-8 -*-
# print process flags
# Copyright (C) 2015 Red Hat Inc.
# Arnaldo Carvalho de Melo <acme@redhat.com>
#
# This application is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2.
#
# This application 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
# General Public License for more details.
import procfs, re, fnmatch, sys
import argparse
ps = None
def thread_mapper(s):
global ps
try:
return [ int(s), ]
except:
pass
try:
return ps.find_by_regex(re.compile(fnmatch.translate(s)))
except:
return ps.find_by_name(s)
def main(argv):
global ps
ps = procfs.pidstats()
parser = argparse.ArgumentParser(description='Print process flags')
parser.add_argument('pid', nargs='*', help='a list of pids or names')
args = parser.parse_args()
if (len(argv) > 1):
pids = args.pid
pids = reduce(lambda i, j: i + j, list(map(thread_mapper, pids)))
else:
pids = ps.processes.keys()
pids.sort()
len_comms = [len(ps[pid]["stat"]["comm"]) for pid in pids if pid in ps]
if len_comms:
max_comm_len = max(len_comms)
del(len_comms)
for pid in pids:
if pid not in ps:
continue
flags = ps[pid].stat.process_flags()
# Remove flags that were superseeded
if "PF_THREAD_BOUND" in flags and "PF_NO_SETAFFINITY" in flags:
flags.remove("PF_THREAD_BOUND")
if "PF_FLUSHER" in flags and "PF_NPROC_EXCEEDED" in flags:
flags.remove("PF_FLUSHER")
if "PF_SWAPOFF" in flags and "PF_MEMALLOC_NOIO" in flags:
flags.remove("PF_SWAPOFF")
if "PF_FREEZER_NOSIG" in flags and "PF_SUSPEND_TASK" in flags:
flags.remove("PF_FREEZER_NOSIG")
comm = ps[pid].stat["comm"]
flags.sort()
sflags = reduce(lambda i, j: "%s|%s" % (i, j), map(lambda a: a[3:],flags))
print "%6d %*s %s" %(pid, max_comm_len, comm, sflags)
if __name__ == '__main__':
main(sys.argv)
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