Re: [LKP] [xen] 054954eb051f: -49.7% kernel-size.bss

From: David Vrabel
Date: Thu Jan 08 2015 - 09:43:19 EST


On 08/01/15 02:58, Huang Ying wrote:
> FYI, we noticed the below changes on
>
> commit 054954eb051f35e74b75a566a96fe756015352c8 ("xen: switch to linear virtual mapped sparse p2m list")
>
> testbox/testcase/testparams: vm-kbuild-yocto-ia32/boot/1
>
> 0aad5689837c882d 054954eb051f35e74b75a566a9
> ---------------- --------------------------
> %stddev %change %stddev
> \ | \
> 4161536 ± 0% -49.7% 2093056 ± 0% kernel-size.bss

This is a good thing, right?

> kernel-size.bss
>
> 4.5e+06 *+-*--*--*-*--*--*--*--*--*--*--*-*--*--*--*----------------------+
> | *..*.. |
> | *..*.*..*..*..*
> 4e+06 ++ |
> | |
> | |
> 3.5e+06 ++ |
> | |
> 3e+06 ++ |
> | |
> | |
> 2.5e+06 ++ |
> | |
> O O O O O O O O O O O O O O O O O O O O O |
> 2e+06 ++----------------------------------------------------------------+

I have no idea what this graph is supposed to be showing.

David
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/