From: "Michael R. Hines" <mrhines@linux.vnet.ibm.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: aliguori@us.ibm.com, "Michael S. Tsirkin" <mst@redhat.com>,
qemu-devel@nongnu.org, owasserm@redhat.com, abali@us.ibm.com,
mrhines@us.ibm.com, gokul@us.ibm.com
Subject: Re: [Qemu-devel] [RFC PATCH RDMA support v4: 03/10] more verbose documentation of the RDMA transport
Date: Tue, 19 Mar 2013 14:04:44 -0400 [thread overview]
Message-ID: <5148A8BC.8080705@linux.vnet.ibm.com> (raw)
In-Reply-To: <5148A5FB.1000209@redhat.com>
On 03/19/2013 01:52 PM, Paolo Bonzini wrote:
> So, if I submit a separate patch to fix this, would you guys review it?
> (Using /dev/pagemap).
> Sorry about the ignorance, but what is /dev/pagemap? :)
/dev/pagemap is a recent interface for eserland accesses to the pagetables.
https://www.kernel.org/doc/Documentation/vm/pagemap.txt
It would very easily tell you (without extra tracking) which pages
were mapped and which were not mapped.
It should work for both cgroups and ballooning. We've used it before.
- Michael
next prev parent reply other threads:[~2013-03-19 18:05 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-18 3:18 [Qemu-devel] [RFC PATCH RDMA support v4: 00/10] cleaner ramblocks and documentation mrhines
2013-03-18 3:18 ` [Qemu-devel] [RFC PATCH RDMA support v4: 01/10] ./configure --enable-rdma mrhines
2013-03-18 3:18 ` [Qemu-devel] [RFC PATCH RDMA support v4: 02/10] check for CONFIG_RDMA mrhines
2013-03-18 3:18 ` [Qemu-devel] [RFC PATCH RDMA support v4: 03/10] more verbose documentation of the RDMA transport mrhines
2013-03-18 10:40 ` Michael S. Tsirkin
2013-03-18 20:24 ` Michael R. Hines
2013-03-18 21:26 ` Michael S. Tsirkin
2013-03-18 23:23 ` Michael R. Hines
2013-03-19 8:19 ` Michael S. Tsirkin
2013-03-19 13:21 ` Michael R. Hines
2013-03-19 15:08 ` Michael R. Hines
2013-03-19 15:16 ` Michael S. Tsirkin
2013-03-19 15:32 ` Michael R. Hines
2013-03-19 15:36 ` Michael S. Tsirkin
2013-03-19 17:09 ` Michael R. Hines
2013-03-19 17:14 ` Paolo Bonzini
2013-03-19 17:23 ` Michael S. Tsirkin
2013-03-19 17:40 ` Michael R. Hines
2013-03-19 17:52 ` Paolo Bonzini
2013-03-19 18:04 ` Michael R. Hines [this message]
2013-03-20 13:07 ` Michael S. Tsirkin
2013-03-20 15:15 ` Michael R. Hines
2013-03-20 15:22 ` Michael R. Hines
2013-03-20 15:55 ` Michael S. Tsirkin
2013-03-20 16:08 ` Michael R. Hines
2013-03-20 19:06 ` Michael S. Tsirkin
2013-03-20 20:20 ` Michael R. Hines
2013-03-20 20:31 ` Michael S. Tsirkin
2013-03-20 20:39 ` Michael R. Hines
2013-03-20 20:46 ` Michael S. Tsirkin
2013-03-20 20:56 ` Michael R. Hines
2013-03-21 5:20 ` Michael S. Tsirkin
2013-03-20 20:24 ` Michael R. Hines
2013-03-20 20:37 ` Michael S. Tsirkin
2013-03-20 20:45 ` Michael R. Hines
2013-03-20 20:52 ` Michael S. Tsirkin
2013-03-19 17:49 ` Michael R. Hines
2013-03-21 6:11 ` Michael S. Tsirkin
2013-03-21 15:22 ` Michael R. Hines
2013-04-05 20:45 ` Michael R. Hines
2013-04-05 20:46 ` Michael R. Hines
2013-03-18 3:18 ` [Qemu-devel] [RFC PATCH RDMA support v4: 04/10] iterators for getting the RAMBlocks mrhines
2013-03-18 8:48 ` Paolo Bonzini
2013-03-18 20:25 ` Michael R. Hines
2013-03-18 3:18 ` [Qemu-devel] [RFC PATCH RDMA support v4: 05/10] reuse function for parsing the QMP 'migrate' string mrhines
2013-03-18 3:18 ` [Qemu-devel] [RFC PATCH RDMA support v4: 06/10] core RDMA migration code (rdma.c) mrhines
2013-03-18 3:19 ` [Qemu-devel] [RFC PATCH RDMA support v4: 07/10] connection-establishment for RDMA mrhines
2013-03-18 8:56 ` Paolo Bonzini
2013-03-18 20:26 ` Michael R. Hines
2013-03-18 3:19 ` [Qemu-devel] [RFC PATCH RDMA support v4: 08/10] introduce QEMUFileRDMA mrhines
2013-03-18 9:09 ` Paolo Bonzini
2013-03-18 20:33 ` Michael R. Hines
2013-03-19 9:18 ` Paolo Bonzini
2013-03-19 13:12 ` Michael R. Hines
2013-03-19 13:25 ` Paolo Bonzini
2013-03-19 13:40 ` Michael R. Hines
2013-03-19 13:45 ` Paolo Bonzini
2013-03-19 14:10 ` Michael R. Hines
2013-03-19 14:22 ` Paolo Bonzini
2013-03-19 15:02 ` [Qemu-devel] [Bug]? (RDMA-related) ballooned memory not consulted during migration? Michael R. Hines
2013-03-19 15:12 ` Michael R. Hines
2013-03-19 15:17 ` Michael S. Tsirkin
2013-03-19 18:27 ` [Qemu-devel] [RFC PATCH RDMA support v4: 08/10] introduce QEMUFileRDMA Michael R. Hines
2013-03-19 18:40 ` Paolo Bonzini
2013-03-20 15:20 ` Paolo Bonzini
2013-03-20 16:09 ` Michael R. Hines
2013-03-18 3:19 ` [Qemu-devel] [RFC PATCH RDMA support v4: 09/10] check for QMP string and bypass nonblock() calls mrhines
2013-03-18 8:47 ` Paolo Bonzini
2013-03-18 20:37 ` Michael R. Hines
2013-03-19 9:23 ` Paolo Bonzini
2013-03-19 13:08 ` Michael R. Hines
2013-03-19 13:20 ` Paolo Bonzini
2013-03-18 3:19 ` [Qemu-devel] [RFC PATCH RDMA support v4: 10/10] send pc.ram over RDMA mrhines
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