From: Valerio Aimale <valerio@aimale.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: lcapitulino@redhat.com, Eduardo Habkost <ehabkost@redhat.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] QEMU patch to allow VM introspection via libvmi
Date: Tue, 27 Oct 2015 09:31:29 -0600 [thread overview]
Message-ID: <562F98D1.8060506@aimale.com> (raw)
In-Reply-To: <562F95C5.2020006@aimale.com>
On 10/27/15 9:18 AM, Valerio Aimale wrote:
>
>
> I did not try to mmap'ing to a file on a RAMdisk. Without physical
> disk I/O, the VM might run faster.
>
>
I did try with the file on a ramdisk
$ sudo mount -o size=3G -t tmpfs none /ramdisk
$ /usr/local/bin/qemu-system-x86_64 -name Windows10 -S -machine
pc-i440fx-2.4,accel=kvm,usb=off [...] -mem-prealloc -mem-path /ramdisk
with that, the speed of the VM is acceptable. It will not take your
breath away, but it is reasonable.
next prev parent reply other threads:[~2015-10-27 15:31 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-15 23:44 [Qemu-devel] QEMU patch to allow VM introspection via libvmi valerio
2015-10-15 23:44 ` [Qemu-devel] [PATCH] QEMU patch for libvmi to introspect QEMU/kvm virtual machines. Usually this patch is distributed with libvmi, but, it might be more useful to have it in the QEMU source permanently valerio
2015-10-19 21:33 ` Eric Blake
2015-10-21 15:11 ` Valerio Aimale
2015-10-16 8:15 ` [Qemu-devel] QEMU patch to allow VM introspection via libvmi Markus Armbruster
2015-10-16 14:30 ` Valerio Aimale
2015-10-19 7:52 ` Markus Armbruster
2015-10-19 14:37 ` Valerio Aimale
2015-10-21 10:54 ` Markus Armbruster
2015-10-21 15:50 ` Valerio Aimale
2015-10-22 11:50 ` Markus Armbruster
2015-10-22 18:11 ` Valerio Aimale
2015-10-23 6:31 ` Markus Armbruster
2015-10-22 18:43 ` Valerio Aimale
2015-10-22 18:54 ` Eric Blake
2015-10-22 19:12 ` Eduardo Habkost
2015-10-22 19:57 ` Valerio Aimale
2015-10-22 20:03 ` Eric Blake
2015-10-22 20:45 ` Valerio Aimale
2015-10-22 21:47 ` Eduardo Habkost
2015-10-22 21:51 ` Valerio Aimale
2015-10-23 8:25 ` Daniel P. Berrange
2015-10-23 19:00 ` Eduardo Habkost
2015-10-23 18:55 ` Eduardo Habkost
2015-10-23 19:08 ` Valerio Aimale
2015-10-26 9:09 ` Markus Armbruster
2015-10-26 17:37 ` Valerio Aimale
2015-10-26 17:52 ` Eduardo Habkost
2015-10-27 14:17 ` Valerio Aimale
2015-10-27 15:00 ` Markus Armbruster
2015-10-27 15:18 ` Valerio Aimale
2015-10-27 15:31 ` Valerio Aimale [this message]
2015-10-27 16:11 ` Markus Armbruster
2015-10-27 16:27 ` Valerio Aimale
2015-10-23 6:35 ` Markus Armbruster
2015-10-23 8:18 ` Daniel P. Berrange
2015-10-23 14:48 ` Valerio Aimale
2015-10-23 14:44 ` Valerio Aimale
2015-10-23 14:56 ` Eric Blake
2015-10-23 15:03 ` Valerio Aimale
2015-10-23 19:24 ` Eduardo Habkost
2015-10-23 20:02 ` Richard Henderson
2015-11-02 12:55 ` Paolo Bonzini
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