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From 8dc7ac166c30435d87a76bb5067724497a7ba592 Mon Sep 17 00:00:00 2001
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From: Arnaldo Carvalho de Melo <acme@redhat.com>
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Date: Thu, 11 Jun 2015 16:45:33 -0300
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Subject: [PATCH 6/7] pflags: Add command line utility to print processor flags
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E.g.:
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$ ./pflags-cmd.py ssh*,bash,6941
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1278 sshd RANDOMIZE|SUPERPRIV|USED_ASYNC|USED_MATH
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2692 bash RANDOMIZE|USED_ASYNC|USED_MATH
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2919 bash RANDOMIZE|SUPERPRIV|USED_ASYNC|USED_MATH
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3116 bash RANDOMIZE|USED_ASYNC|USED_MATH
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3149 bash RANDOMIZE|USED_ASYNC|USED_MATH
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3384 bash RANDOMIZE|USED_ASYNC|USED_MATH
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3579 bash RANDOMIZE|USED_ASYNC|USED_MATH
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3834 ssh RANDOMIZE|USED_ASYNC|USED_MATH
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4372 bash RANDOMIZE|USED_ASYNC|USED_MATH
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5024 bash RANDOMIZE|USED_ASYNC|USED_MATH
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6339 bash RANDOMIZE|USED_ASYNC|USED_MATH
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6941 vim FREEZER_SKIP|RANDOMIZE|USED_ASYNC|USED_MATH
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$
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Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Signed-off-by: John Kacur <jkacur@redhat.com>
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---
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pflags-cmd.py | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 65 insertions(+)
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create mode 100755 pflags-cmd.py
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diff --git a/pflags-cmd.py b/pflags-cmd.py
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new file mode 100755
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index 000000000000..9228c688e7a2
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--- /dev/null
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+++ b/pflags-cmd.py
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@@ -0,0 +1,65 @@
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+#! /usr/bin/python
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+# -*- python -*-
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+# -*- coding: utf-8 -*-
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+# print process flags
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+# Copyright (C) 2015 Red Hat Inc.
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+# Arnaldo Carvalho de Melo <acme@redhat.com>
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+#
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+# This application is free software; you can redistribute it and/or
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+# modify it under the terms of the GNU General Public License
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+# as published by the Free Software Foundation; version 2.
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+#
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+# This application is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+# General Public License for more details.
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+
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+import procfs, re, fnmatch, sys
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+
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+ps = None
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+
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+def thread_mapper(s):
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+ global ps
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+
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+ try:
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+ return [ int(s), ]
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+ except:
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+ pass
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+ try:
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+ return ps.find_by_regex(re.compile(fnmatch.translate(s)))
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+ except:
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+ return ps.find_by_name(s)
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+
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+def main(argv):
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+
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+ global ps
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+ ps = procfs.pidstats()
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+
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+ if (len(argv) > 1):
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+ pids = reduce(lambda i, j: i + j, map(thread_mapper, argv[1].split(",")))
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+ else:
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+ pids = ps.processes.keys()
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+
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+ pids.sort()
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+ len_comms = map(lambda pid: len(ps[pid]["stat"]["comm"]), pids)
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+ max_comm_len = max(len_comms)
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+ del(len_comms)
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+
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+ for pid in pids:
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+ flags = ps[pid].stat.process_flags()
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+ # Remove flags that were superseeded
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+ if "PF_THREAD_BOUND" in flags and "PF_NO_SETAFFINITY" in flags:
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+ flags.remove("PF_THREAD_BOUND")
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+ if "PF_FLUSHER" in flags and "PF_NPROC_EXCEEDED" in flags:
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+ flags.remove("PF_FLUSHER")
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+ if "PF_SWAPOFF" in flags and "PF_MEMALLOC_NOIO" in flags:
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+ flags.remove("PF_SWAPOFF")
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+ if "PF_FREEZER_NOSIG" in flags and "PF_SUSPEND_TASK" in flags:
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+ flags.remove("PF_FREEZER_NOSIG")
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+ comm = ps[pid].stat["comm"]
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+ flags.sort()
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+ sflags = reduce(lambda i, j: "%s|%s" % (i, j), map(lambda a: a[3:],flags))
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+ print "%6d %*s %s" %(pid, max_comm_len, comm, sflags)
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+
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+if __name__ == '__main__':
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+ main(sys.argv)
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--
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1.8.3.1
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