Added Load and DB Size info to Report Results

To get server info for performance testing recording.

bmsapp/views.py

 # Create your views here.
 import sys, logging, json, random, time
+import os
+import subprocess
 
 from django.http import HttpResponse
 from django.shortcuts import render_to_response, redirect
@@ -86,6 +88,12 @@ def get_report_results(request):
         # Make the chart object
         chart_obj = basechart.get_chart_object(request.GET)
         result = chart_obj.result()
+
+        # add some info about load and size of the database
+        dbsize = os.path.getsize(chart_obj.reading_db.db_fname)
+        loads = subprocess.check_output('uptime').split(':')[-1].split(',')
+        loads = [float(ld) for ld in loads]
+        result['objects'] = result['objects'].append( ('stats', {'dbsize': dbsize, 'loads': loads}) )
     
     except:
         _logger.exception('Error in get_report_results')