Re: [Xen-devel] [PATCH] tools: adds tracer on qemu-xen debug configure options

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2013-09-27 at 16:00 +0200, Fabio Fantoni wrote:
> When building tools in debug mode (debug=y), pass also
> --enable-trace-backend=stderr when configuring qemu-xen.
> Useful to improve debug.

What does this actually do in practice? More logging
in /var/log/xen/qemu-dm-$dom.log or something else?

> 
> Signed-off-by: Fabio Fantoni <fabio.fantoni@xxxxxxx>
> ---
>  tools/Makefile |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/Makefile b/tools/Makefile
> index e7a983b..77a3522 100644
> --- a/tools/Makefile
> +++ b/tools/Makefile
> @@ -174,7 +174,7 @@ qemu-xen-dir-force-update:
>       fi
>  
>  ifeq ($(debug),y)
> -QEMU_XEN_ENABLE_DEBUG := --enable-debug
> +QEMU_XEN_ENABLE_DEBUG := --enable-debug --enable-trace-backend=stderr
>  else
>  QEMU_XEN_ENABLE_DEBUG :=
>  endif



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