From 22df51742511e2a4bf2f0e143e0a2dd21ba6b231 Mon Sep 17 00:00:00 2001
From: Rafal Wojtczuk <rafal@invisiblethingslab.com>
Date: Mon, 6 Sep 2010 10:46:36 +0200
Subject: [PATCH] qmemman: detect domain list change by watching /vm, not
 /local/domain

The latter triggers on every memory/meminfo key update, which needlessly
adds xenstore requests.
---
 dom0/qmemman/qmemman_server.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dom0/qmemman/qmemman_server.py b/dom0/qmemman/qmemman_server.py
index 73dd205f..4a95fee3 100755
--- a/dom0/qmemman/qmemman_server.py
+++ b/dom0/qmemman/qmemman_server.py
@@ -30,7 +30,7 @@ class WatchType:
 class XS_Watcher:
     def __init__(self):
         self.handle = xen.lowlevel.xs.xs()
-        self.handle.watch('/local/domain', WatchType(XS_Watcher.dom_list_change, None))
+        self.handle.watch('/vm', WatchType(XS_Watcher.dom_list_change, None))
         self.watch_token_dict = {}
 
     def dom_list_change(self, param):