From 8dc7ac166c30435d87a76bb5067724497a7ba592 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
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 <acme@redhat.com>
Signed-off-by: John Kacur <jkacur@redhat.com>
---
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 <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
+
+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