[vbox-dev] Logging

[Vikram Kapoor]

Hi,

The issue was that I was using 'set' on Windows to set the environment
variable VBOX_LOG. I should have been using 'setx' so that variable could be
properly exported to VirtualBox.exe.

Thanks Frank for helping me through the issue!
--Vikram

On Wed, Mar 30, 2011 at 11:43 PM, Frank Mehnert <frank.mehnert at oracle.com>wrote:

> Vikram,
>
> On Thursday 31 March 2011 07:51:00 Vikram Kapoor wrote:
> > What is the right way to enable logging for VirtualBox? I compiled VBox
> > with LOG_ENABLED and VBOX_WITH_R0_LOGGING defined.
> >
> > Then I am running VirtualBox.exe with "VBOX_LOG=+all.f.l" and
> > "VBOX_LOG_DEST=file=<file_path>" environement variables set.  The file
> does
> > get created with a single logline in it but when I run a VM, no other
> > messages are logged.
>
> Logging is normally automatically enabled in debug builds. So if you
> compile
> VirtualBox with
>
>  export BUILD_TYPE=debug
>  kmk
>
> then the resulting build will be able to create debug log files. However,
> that build will also include a lot of assertions and additional code for
> debugging which makes VirtualBox slow.
>
> If you only want to enable logging then you have to add the following line
> to LocalConfig.kmk in the root directory of the VirtualBox tree:
>
>  DEFS += LOG_ENABLED
>
> After doing so, you have to recompile the whole beast of course.
> When running VirtualBox, make sure to do
>
>  export VBOX_LOG=+all.e.l.f
>
> -- the 'export' is important if you want to log the VBoxSVC server as well.
> The log files are created in the current directory.
>
> Kind regards,
>
> Frank
> --
> ORACLE Deutschland B.V. & Co. KG   Dr.-Ing. Frank Mehnert
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