[Xen-changelog] [xen-unstable] xenpaging: print DPRINTF ouput if XENPAGING_DEBUG is in environment

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

# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1292352524 0
# Node ID c13f0bb3479da440cffe81079f3b9f58defdb26d
# Parent  fdf95845c2f8f1a48f1bf46f184404be4d835a8a
xenpaging: print DPRINTF ouput if XENPAGING_DEBUG is in environment

No DPRINTF output is logged because the default loglevel is to low in
libxc. Recognize the XENPAGING_DEBUG environment variable to change the
default loglevel at runtime.

Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 tools/xenpaging/xenpaging.c |   11 ++++-------
 1 files changed, 4 insertions(+), 7 deletions(-)

diff -r fdf95845c2f8 -r c13f0bb3479d tools/xenpaging/xenpaging.c
--- a/tools/xenpaging/xenpaging.c       Tue Dec 14 18:47:52 2010 +0000
+++ b/tools/xenpaging/xenpaging.c       Tue Dec 14 18:48:44 2010 +0000
@@ -39,12 +39,6 @@
 #include "policy.h"
 #include "xenpaging.h"
 
-
-#if 0
-#undef DPRINTF
-#define DPRINTF(...) ((void)0)
-#endif
-
 static char filename[80];
 static int interrupted;
 static void close_handler(int sig)
@@ -83,9 +77,12 @@ xenpaging_t *xenpaging_init(xc_interface
 {
     xenpaging_t *paging;
     xc_interface *xch;
+    xentoollog_logger *dbg = NULL;
     int rc;
 
-    xch = xc_interface_open(NULL, NULL, 0);
+    if ( getenv("XENPAGING_DEBUG") )
+        dbg = (xentoollog_logger *)xtl_createlogger_stdiostream(stderr, 
XTL_DEBUG, 0);
+    xch = xc_interface_open(dbg, NULL, 0);
     if ( !xch )
         goto err_iface;
 

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