add loadavg

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 52 insertions, 0 deletions

diff --git a/src/plugins/loadavg.py b/src/plugins/loadavg.py
new file mode 100644
index 0000000..fc61c62
--- /dev/null
+++ b/src/plugins/loadavg.py
@@ -0,0 +1,52 @@
+# -*- 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/>.
+'''
+
+from util import *
+
+
+class AverageLoad:
+    '''
+    The current average load, number of scheduling entities and latest PID
+    
+    @variable  avg_5_min:float   The average load over the last 5 minutes
+    @variable  avg_10_min:float  The average load over the last 10 minutes
+    @variable  avg_15_min:float  The average load over the last 15 minutes
+    @variable  active_tasks:int  The number of active scheduling entities
+    @variable  total_tasks:int   The total number of scheduling entities
+    @variable  last_pid:int      The PID of the last created process on the system
+    '''
+    
+    
+    def __init__(self):
+        '''
+        Constructor
+        '''
+        uptime = None
+        with open('/proc/loadavg', 'rb') as file:
+            uptime = file.read()
+        uptime = uptime.decode('utf-8', 'replace')
+        uptime = uptime.replace('\n', ' ').split(' ')
+        
+        self.avg_5_min, self.avg_10_min, self.avg_15_min, tasks, self.last_pid = uptime[:5]
+        self.avg_5_min = float(self.avg_5_min)
+        self.avg_10_min = float(self.avg_10_min)
+        self.avg_15_min = float(self.avg_15_min)
+        self.last_pid = int(self.last_pid)
+        self.active_tasks, self.total_tasks = [int(t) for t in tasks.split('/')]
+