Add support for XENSTORED_TRACE to enable trace output from xenstored.

Set XENSTORED_TRACE in /usr/sbin/xenstored's environment to enable the
trace output.
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>

diff --git a/tools/misc/xend b/tools/misc/xend
index 5abcdc6e0465692fb9936ffe9915faf0117baddb..db868b5c67a62bc86650b812691e2e1e6fdf8f88 100644 (file)
--- a/tools/misc/xend
+++ b/tools/misc/xend
@@ -117,11 +117,15 @@ def stop_xcs():
        return    
 
 def start_xenstored():
-    s,o = commands.getstatusoutput("/usr/sbin/xenstored --pid-file=/var/run/xenstore.pid");
+    XENSTORED_TRACE = os.getenv("XENSTORED_TRACE")
+    cmd = "/usr/sbin/xenstored --pid-file=/var/run/xenstore.pid"
+    if XENSTORED_TRACE:
+        cmd += " -T /var/log/xenstored-trace.log"
+    s,o = commands.getstatusoutput(cmd)
 
 def start_consoled():
     if os.fork() == 0:
-        os.execvp('/usr/sbin/xenconsoled', ['/usr/sbin/xenconsoled']);
+        os.execvp('/usr/sbin/xenconsoled', ['/usr/sbin/xenconsoled'])
             
 def main():
     try: