[Xen-devel] [PATCH 5 of 9] xenpaging: track the number of paged-

To:	xen-devel@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-devel] [PATCH 5 of 9] xenpaging: track the number of paged-out pages
From:	Olaf Hering <olaf@xxxxxxxxx>
Date:	Thu, 15 Sep 2011 08:16:33 +0200
Delivery-date:	Wed, 14 Sep 2011 23:19:07 -0700
Dkim-signature:	v=1; a=rsa-sha1; c=relaxed/relaxed; t=1316067406; l=1499; s=domk; d=aepfle.de; h=To:From:Date:References:In-Reply-To:Subject: Content-Transfer-Encoding:MIME-Version:Content-Type:X-RZG-CLASS-ID: X-RZG-AUTH; bh=DuSq8/mlO8yJlMe37LQjjqHXklo=; b=n9W19NIiDxFLI8iMSIDEzMge3+7vj2myh+3t5YCwkh/b2/UV3tBwOSWw1ReW2aVyzRW fetsLSklLJXd7OZCi3/A9tj4Mcm29qdvQF3dt6ph8+Ev2e04x8Yq3WGJAf3pJJ0tw2jXv 9k4CMpXBb2SkIVfwODJVGoGNv6mKAqxaoCA=
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<patchbomb.1316067388@xxxxxxxxxxxx>
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References:	<patchbomb.1316067388@xxxxxxxxxxxx>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent:	Mercurial-patchbomb/1.7.5

# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1316067229 -7200
# Node ID 6beca8cbc2c92900859712f8738db17084bcebdb
# Parent  2ff9871c02a1712d55addc2b30e4f7694e5b7ebe
xenpaging: track the number of paged-out pages

This change is required by subsequent changes.

Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>

diff -r 2ff9871c02a1 -r 6beca8cbc2c9 tools/xenpaging/xenpaging.c
--- a/tools/xenpaging/xenpaging.c
+++ b/tools/xenpaging/xenpaging.c
@@ -468,6 +468,9 @@ static int xenpaging_evict_page(xenpagin
     /* Notify policy of page being paged out */
     policy_notify_paged_out(victim->gfn);
 
+    /* Record number of evicted pages */
+    paging->num_paged_out++;
+
  out:
     return ret;
 }
@@ -481,8 +484,13 @@ static int xenpaging_resume_page(xenpagi
 
     /* Notify policy of page being paged in */
     if ( notify_policy )
+    {
         policy_notify_paged_in(rsp->gfn);
 
+       /* Record number of resumed pages */
+       paging->num_paged_out--;
+    }
+
     /* Tell Xen page is ready */
     ret = xc_mem_paging_resume(paging->xc_handle, paging->mem_event.domain_id,
                                rsp->gfn);
diff -r 2ff9871c02a1 -r 6beca8cbc2c9 tools/xenpaging/xenpaging.h
--- a/tools/xenpaging/xenpaging.h
+++ b/tools/xenpaging/xenpaging.h
@@ -49,6 +49,7 @@ typedef struct xenpaging {
     mem_event_t mem_event;
     /* number of pages for which data structures were allocated */
     int max_pages;
+    int num_paged_out;
     int num_pages;
     int policy_mru_size;
     unsigned long pagein_queue[XENPAGING_PAGEIN_QUEUE_SIZE];

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

WARNING - OLD ARCHIVES

xen-devel

[Xen-devel] [PATCH 5 of 9] xenpaging: track the number of paged-out page