Re: [Xen-devel] [PATCH] dump available order allocations in each zone while dumping heap information

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Karim,

(+ adding maintainers) Don't forget the maintainers, you can use 
scripts/get_maintainers.pl.
On 01/05/2014 06:45 PM, Karim Raslan wrote:
> Signed-off-by: Karim Raslan <karim.allah.ahmed@xxxxxxxxx>
> ---
>   xen/common/page_alloc.c |   11 ++++++++++-
>   1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c
> index 5f484a2..5419b3f 100644
> --- a/xen/common/page_alloc.c
> +++ b/xen/common/page_alloc.c
> @@ -1673,7 +1673,7 @@ void scrub_one_page(struct page_info *pg)
>   static void dump_heap(unsigned char key)
>   {
>       s_time_t      now = NOW();
> -    int           i, j;
> +    int           i, j, k;
>
>       printk("'%c' pressed -> dumping heap info (now-0x%X:%08X)\n", key,
>              (u32)(now>>32), (u32)now);
> @@ -1683,8 +1683,17 @@ static void dump_heap(unsigned char key)
>           if ( !avail[i] )
>               continue;
>           for ( j = 0; j < NR_ZONES; j++ )
> +        {
>               printk("heap[node=%d][zone=%d] -> %lu pages\n",
>                      i, j, avail[i][j]);
> +            if(avail[i][j]) {
if ( .. )
{

You are using Linux coding style, not Xen. See CODING_STYLE in the root 
of the repository.
> +               printk("\t(In:\n");
We don't use tabulations on Xen, please use spaces (same for the next 4 
lines).
> +                               for ( k = 0; k < MAX_ORDER; k++)
> +                                       if(!page_list_empty(&heap(i, j, k)))
if ( .. )

> +                                               printk("  \t[order=%d]\n",k);
> +                               printk(")\n");
> +            }
> +        }
>       }
>   }
Sincerely yours,

--
Julien Grall

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