[Xen-changelog] [xen-unstable] [XEND] Cleanup old domains in statistics monitor.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Alastair Tse <atse@xxxxxxxxxxxxx>
# Date 1169653858 0
# Node ID e4d415692ba5994b20a6833bbc609c69975beffc
# Parent  f000f963bbfdb27c4f289227d0183cb00bab6672
[XEND] Cleanup old domains in statistics monitor.

Signed-off-by: Alastair Tse <atse@xxxxxxxxxxxxx>
---
 tools/python/xen/xend/XendMonitor.py |   16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletion(-)

diff -r f000f963bbfd -r e4d415692ba5 tools/python/xen/xend/XendMonitor.py
--- a/tools/python/xen/xend/XendMonitor.py      Wed Jan 24 15:50:02 2007 +0000
+++ b/tools/python/xen/xend/XendMonitor.py      Wed Jan 24 15:50:58 2007 +0000
@@ -220,10 +220,11 @@ class XendMonitor(threading.Thread):
         while True:
             self.lock.acquire()
             try:
-            
+                active_domids = set()
                 # Calculate utilisation for VCPUs
                 
                 for domid, cputimes in self._get_cpu_stats().items():
+                    active_domids.add(domid)
                     if domid not in self._domain_vcpus:
                         # if not initialised, save current stats
                         # and skip utilisation calculation
@@ -310,6 +311,19 @@ class XendMonitor(threading.Thread):
                     self.pifs_util[pifid] = (rx_util, tx_util)
                     self.pifs[pifid] = stats
 
+                for domid in self.domain_vcpus_util.keys():
+                    if domid not in active_domids:
+                        del self.domain_vcpus_util[domid]
+                        del self.domain_vcpus[domid]
+                for domid in self.domain_vifs_util.keys():
+                    if domid not in active_domids:
+                        del self.domain_vifs_util[domid]
+                        del self.domain_vifs[domid]
+                for domid in self.domain_vbds_util.keys():
+                    if domid not in active_domids:
+                        del self.domain_vbds_util[domid]
+                        del self.domain_vbds[domid]
+
             finally:
                 self.lock.release()
 

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