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authorMattias Andrée <maandree@operamail.com>2014-06-20 16:50:14 +0200
committerMattias Andrée <maandree@operamail.com>2014-06-20 16:50:14 +0200
commit8199ab0d31bc4f42c184e369a611d2e55e082eb9 (patch)
tree8844e845e473c076506ec846facf1f30d2e52008 /src/plugins
parentadd dentrystate (diff)
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add inodestate
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src/plugins')
-rw-r--r--src/plugins/inodestate.py45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/plugins/inodestate.py b/src/plugins/inodestate.py
new file mode 100644
index 0000000..6c87a77
--- /dev/null
+++ b/src/plugins/inodestate.py
@@ -0,0 +1,45 @@
+# -*- python -*-
+'''
+xpybar – xmobar replacement written in python
+Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
+
+This program 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, either version 3 of the License, or
+(at your option) any later version.
+
+This program 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.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+'''
+
+
+class InodeState:
+ '''
+ Data from /proc/sys/fs/inode-state
+
+ @variable nr_inodes:int The number of inodes the system has allocated.
+ This can be slightly more than inode-max because
+ Linux allocates them one page full at a time.
+ @variable nr_free_inodes:int Tthe number of free inodes
+ @variable preshrink:int Nonzero when the `nr_inodes` is more than inode-max
+ and the system needs to prune the inode list instead
+ of allocating more
+ '''
+
+
+ def __init__(self):
+ '''
+ Constructor
+ '''
+ state = None
+ with open('/proc/sys/fs/inode-state', 'rb') as file:
+ state = file.read()
+ state = state.decode('utf-8', 'replace').replace('\t', ' ')
+ state = [int(field) for field in state.split(' ') if not field == '']
+ (self.nr_inodes, self.nr_free_inodes, self.preshrink, _dummy1, _dummy2, _dummy_3, _dummy_4) = state
+