[Xen-changelog] Add support for XENSTORED_TRACE to enable trace output from xenstored.

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

# HG changeset patch
# User cl349@xxxxxxxxxxxxxxxxxxxx
# Node ID 074aadbb0fa8bcf806546c7a7ffd4bb1668686e7
# Parent  a4b22c7fbfa10595e530e9b920ddd333485b2baf
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@xxxxxxxxxxxx>

diff -r a4b22c7fbfa1 -r 074aadbb0fa8 tools/misc/xend
--- a/tools/misc/xend   Wed Aug 17 08:52:04 2005
+++ b/tools/misc/xend   Wed Aug 17 09:50:26 2005
@@ -117,11 +117,15 @@
        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:

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