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



Thanks Julien for your comments, reposting.

On Sun, Jan 5, 2014 at 8:44 PM, Julien Grall <julien.grall@xxxxxxxxxx> wrote:
> 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



-- 
Karim Allah Ahmed.
LinkedIn

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