[PATCH v1 0/6] makedumpfile: makedumpfile enhancement to filter out kernel data from vmcore

[Mahesh J Salgaonkar]

Hi Ken'inchi,

On Tue, Mar 15, 2011 at 03:12:47PM +0900, Ken'ichi Ohmichi wrote:
> 
> Hi Mahesh,
> 
> In my idea, offset_eraseinfo points the *file offset* of the erased
> information and size_eraseinfo is the information size.
> 
> The erased information would contain *multiple* erased symbol names.
> For example, the following is based on your above example.
> 
>  	struct S1 {
>  		int a;
>  		int b;
>  		int c;
>  	};
>  	struct S2 {
>  		struct S1 *mystruct1;
>  		struct S1 *mystruct2;
>  	};
> 
>  	struct S2 mystruct2;
> 
>  	#Filter command
>  	erase mystruct2.mystruct1.a
>  	erase mystruct2.mystruct1.c
>  	erase mystruct2.mystruct2.b
> 
> 	#The erased information
>  	erase mystruct2.mystruct1.a 4
>  	erase mystruct2.mystruct1.c 4
>  	erase mystruct2.mystruct2.b 4
> 
> 
> The dumpfile image :
> 
>        header             dump data             the erased information
> +------------------+-----------------------+-------------------------------+
> | ................ | ..................... | erase mystruct2.mystruct1.a 4 |
> | offset_eraseinfo | ..................... | erase mystruct2.mystruct1.c 4 |
> |   size_eraseinfo | ..................... | erase mystruct2.mystruct2.b 4 |
> +------------------+-------------------------------------------------------+
>                                            : offset_eraseinfo (offset in dumpfile)
>                                             <------ size_eraseinfo ------->
>                                             

Will work on the cahnge.

Thanks,
-Mahesh.
> Thanks
> Ken'ichi Ohmichi

-- 
Signed-off-by: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com>