From 8dc7ac166c30435d87a76bb5067724497a7ba592 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 11 Jun 2015 16:45:33 -0300 Subject: [PATCH 6/7] pflags: Add command line utility to print processor flags E.g.: $ ./pflags-cmd.py ssh*,bash,6941 1278 sshd RANDOMIZE|SUPERPRIV|USED_ASYNC|USED_MATH 2692 bash RANDOMIZE|USED_ASYNC|USED_MATH 2919 bash RANDOMIZE|SUPERPRIV|USED_ASYNC|USED_MATH 3116 bash RANDOMIZE|USED_ASYNC|USED_MATH 3149 bash RANDOMIZE|USED_ASYNC|USED_MATH 3384 bash RANDOMIZE|USED_ASYNC|USED_MATH 3579 bash RANDOMIZE|USED_ASYNC|USED_MATH 3834 ssh RANDOMIZE|USED_ASYNC|USED_MATH 4372 bash RANDOMIZE|USED_ASYNC|USED_MATH 5024 bash RANDOMIZE|USED_ASYNC|USED_MATH 6339 bash RANDOMIZE|USED_ASYNC|USED_MATH 6941 vim FREEZER_SKIP|RANDOMIZE|USED_ASYNC|USED_MATH $ Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: John Kacur --- pflags-cmd.py | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100755 pflags-cmd.py diff --git a/pflags-cmd.py b/pflags-cmd.py new file mode 100755 index 000000000000..9228c688e7a2 --- /dev/null +++ b/pflags-cmd.py @@ -0,0 +1,65 @@ +#! /usr/bin/python +# -*- python -*- +# -*- coding: utf-8 -*- +# print process flags +# Copyright (C) 2015 Red Hat Inc. +# Arnaldo Carvalho de Melo +# +# 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 + +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() + + if (len(argv) > 1): + pids = reduce(lambda i, j: i + j, map(thread_mapper, argv[1].split(","))) + else: + pids = ps.processes.keys() + + pids.sort() + len_comms = map(lambda pid: len(ps[pid]["stat"]["comm"]), pids) + max_comm_len = max(len_comms) + del(len_comms) + + for pid in pids: + 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) -- 1.8.3.1