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Re: [Qemu-devel] Why is SeaBIOS used with -kernel?
From: |
Richard W.M. Jones |
Subject: |
Re: [Qemu-devel] Why is SeaBIOS used with -kernel? |
Date: |
Fri, 1 Apr 2016 21:25:25 +0100 |
User-agent: |
Mutt/1.5.20 (2009-12-10) |
On Fri, Apr 01, 2016 at 03:44:14PM -0400, Kevin O'Connor wrote:
[...]
I ran all the tests again, but this time I ran the test program 3
times (so 30 passes for each setting). As you can see from the
results below the test is not very stable, so that could easily have
accounted for the variation I saw when I only ran the test program
once for each setting.
The difference in .config is just:
--- seabios-bootorder=n.config 2016-04-01 21:19:53.599230008 +0100
+++ seabios-bootorder=y.config 2016-04-01 21:19:31.090441232 +0100
@@ -14,7 +14,7 @@
CONFIG_THREADS=y
# CONFIG_RELOCATE_INIT is not set
# CONFIG_BOOTMENU is not set
-# CONFIG_BOOTORDER is not set
+CONFIG_BOOTORDER=y
CONFIG_ENTRY_EXTRASTACK=y
CONFIG_MALLOC_UPPERMEMORY=y
CONFIG_ROM_SIZE=0
Rich.
----------------------------------------------------------------------
CONFIG_BOOTORDER=y
passes 10
append
backend libvirt
hv /home/rjones/d/qemu/x86_64-softmmu/qemu-system-x86_64
memsize 500
smp 1
Result: 1098.0ms ±0.8ms
passes 10
append
backend libvirt
hv /home/rjones/d/qemu/x86_64-softmmu/qemu-system-x86_64
memsize 500
smp 1
Result: 1095.9ms ±0.4ms
passes 10
append
backend libvirt
hv /home/rjones/d/qemu/x86_64-softmmu/qemu-system-x86_64
memsize 500
smp 1
Result: 1087.5ms ±3.8ms
CONFIG_BOOTORDER=n
passes 10
append
backend libvirt
hv /home/rjones/d/qemu/x86_64-softmmu/qemu-system-x86_64
memsize 500
smp 1
Result: 1103.4ms ±2.6ms
passes 10
append
backend libvirt
hv /home/rjones/d/qemu/x86_64-softmmu/qemu-system-x86_64
memsize 500
smp 1
Result: 1097.2ms ±4.8ms
passes 10
append
backend libvirt
hv /home/rjones/d/qemu/x86_64-softmmu/qemu-system-x86_64
memsize 500
smp 1
Result: 1098.0ms ±8.3ms
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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http://people.redhat.com/~rjones/virt-df/
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, (continued)
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Gerd Hoffmann, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Kevin O'Connor, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Paolo Bonzini, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Kevin O'Connor, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Kevin O'Connor, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?,
Richard W.M. Jones <=
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Kevin O'Connor, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Kevin O'Connor, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/02
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Paolo Bonzini, 2016/04/02
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Kevin O'Connor, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Kevin O'Connor, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Kevin O'Connor, 2016/04/01
- Re: [Qemu-devel] Why is SeaBIOS used with -kernel?, Richard W.M. Jones, 2016/04/01