[vbox-dev] The EMT thread

Frank Mehnert frank.mehnert at oracle.com
Wed Jan 9 01:25:02 PST 2013


Hi Yao,

On Wednesday 09 January 2013 04:36:04 Yao wrote:
> By reading the source code of Vbox, I have met EMT thread in many parts,
> but there is no more information that I can find in the vbox. Are there
> some important file that I ignore? Anyone know about this? Very grateful
> for your reply

in short, the EM thread is the 'emulation thread' which emulates one
guest CPU. One EM thread per guest CPU, so if your guest has 4 CPUs
configured, your VM process will create 4 EM threads. The threads of
a VM process are scheduled by the host.

Kind regards,

Frank
-- 
Dr.-Ing. Frank Mehnert | Software Development Director, VirtualBox
ORACLE Deutschland B.V. & Co. KG | Werkstr. 24 | 71384 Weinstadt, Germany

Hauptverwaltung: Riesstr. 25, D-80992 München
Registergericht: Amtsgericht München, HRA 95603
Geschäftsführer: Jürgen Kunz

Komplementärin: ORACLE Deutschland Verwaltung B.V.
Hertogswetering 163/167, 3543 AS Utrecht, Niederlande
Handelsregister der Handelskammer Midden-Niederlande, Nr. 30143697
Geschäftsführer: Alexander van der Ven, Astrid Kepper, Val Maher
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 198 bytes
Desc: This is a digitally signed message part.
Url : http://www.virtualbox.org/pipermail/vbox-dev/attachments/20130109/14596e3b/attachment-0002.bin 


More information about the vbox-dev mailing list