[vbox-dev] LogFlow() statements...

Ramshankar ramshankar.venkataraman at oracle.com
Mon Dec 10 10:44:58 GMT 2012

On 12/07/2012 04:32 AM, Sandeep Koppala wrote:
> Hi all,
> I am trying to implement Page Fusion for x64 Linux guests. I 
> understand that this will require changes to the Guest Additions. 
> Specifically, in the VBoxServicePageSharing.cpp code. I have made some 
> changes here and I am trying to call VbglR3RegisterSharedModule 
> function with information about Linux guest modules.
> 1. I am unable to put a trace in the R3 code, the code for the VMM / 
> hypervisor. I am unable to see the LogFlow() messages. Can you help me 
> enable it ?
> 2. Is the code that implements page-fusing / sharing in the VMM 
> specific to windows ?
> Thanks in advance !
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> vbox-dev at virtualbox.org
> https://www.virtualbox.org/mailman/listinfo/vbox-dev

1. Did you take a look at logging information here: 
https://www.virtualbox.org/wiki/VBoxLogging (see Ring-0 logging)?

2. From a quick glance, the guest additions part of the code is specific 
to Windows, on the host side it is platform agnostic (not enabled for 
64-bit darwin hosts though). The guest addition side has some 
compile-time defines that only register the service hooks for Windows 


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