[PATCH 1/2] UBUNTU: [Config] enable MMIOTRACE for graphics debugging

Colin Ian King colin.king at canonical.com
Wed Mar 17 10:00:14 UTC 2010


The benefit as a debugging tool makes this a very good option to turn
on. It appears to add minimal overhead when not being used in debug
mode, so I'm for this. 

On Wed, 2010-03-17 at 09:26 +0000, Andy Whitcroft wrote:
> Enable MMIOTRACE to allow us to trace low level card operations.  This is
> commonly used to debug graphics issues particularly under Nouveau.
> According to the documentation it is a near zero impact when disabled.
> 
> Signed-off-by: Andy Whitcroft <apw at canonical.com>
Acked-by: Colin King <colin.king at canonical.com>

> ---
>  debian.master/config/config.common.ubuntu |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/debian.master/config/config.common.ubuntu b/debian.master/config/config.common.ubuntu
> index 0bca70a..989c14c 100644
> --- a/debian.master/config/config.common.ubuntu
> +++ b/debian.master/config/config.common.ubuntu
> @@ -2236,7 +2236,8 @@ CONFIG_MMC_TIFM_SD=m
>  # CONFIG_MMC_UNSAFE_RESUME is not set
>  CONFIG_MMC_VIA_SDMMC=m
>  CONFIG_MMC_WBSD=m
> -# CONFIG_MMIOTRACE is not set
> +CONFIG_MMIOTRACE=y
> +# CONFIG_MMIOTRACE_TEST is not set
>  CONFIG_MMU=y
>  CONFIG_MMU_NOTIFIER=y
>  CONFIG_MM_OWNER=y
> -- 
> 1.7.0
> 
> 






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