[Xen-changelog] [xen-unstable] xenpaging: print page-in/page-out progress

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

# HG changeset patch
# User Keir Fraser <keir@xxxxxxx>
# Date 1294741979 0
# Node ID c89a28b70b62534c717e5f8bcf5d4b896aeb705d
# Parent  af807bf09d1f65853bc5d589ae556c035af95e95
xenpaging: print page-in/page-out progress

Now that DPRINTF is triggered only when the environment variable
XENPAGING_DEBUG is found, make such a debug session actually useful by
printing the entire page-out/page-in process. The 'Got event from Xen'
message alone is not helpful.

Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
---
 tools/xenpaging/xenpaging.c |    2 ++
 1 files changed, 2 insertions(+)

diff -r af807bf09d1f -r c89a28b70b62 tools/xenpaging/xenpaging.c
--- a/tools/xenpaging/xenpaging.c       Tue Jan 11 10:32:32 2011 +0000
+++ b/tools/xenpaging/xenpaging.c       Tue Jan 11 10:32:59 2011 +0000
@@ -387,6 +387,7 @@ int xenpaging_evict_page(xenpaging_t *pa
         goto out;
     }
 
+    DPRINTF("evict_page > gfn %lx pageslot %d\n", victim->gfn, i);
     /* Notify policy of page being paged out */
     policy_notify_paged_out(victim->gfn);
 
@@ -427,6 +428,7 @@ static int xenpaging_populate_page(xenpa
     unsigned char oom = 0;
 
     _gfn = *gfn;
+    DPRINTF("populate_page < gfn %lx pageslot %d\n", _gfn, i);
     do
     {
         /* Tell Xen to allocate a page for the domain */

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