Re: [PATCH 2/3] mm/page_isolation: add new tracepoint, test_pages_isolated

[Joonsoo Kim]

On Thu, Nov 19, 2015 at 03:34:11PM -0800, Andrew Morton wrote:
> On Fri, 13 Nov 2015 11:23:47 +0900 Joonsoo Kim <js1304@xxxxxxxxx> wrote:
> 
> > cma allocation should be guranteeded to succeed, but, sometimes,
> > it could be failed in current implementation. To track down
> > the problem, we need to know which page is problematic and
> > this new tracepoint will report it.
> 
> akpm3:/usr/src/25> size mm/page_isolation.o
>    text    data     bss     dec     hex filename
>    2972     112    1096    4180    1054 mm/page_isolation.o-before
>    4608     570    1840    7018    1b6a mm/page_isolation.o-after
> 
> This seems an excessive amount of bloat for one little tracepoint.  Is
> this expected and normal (and acceptable)?

Hello,

I checked bloat on other tracepoints and found that it's normal.
It takes 1KB more per tracepoint.

Thanks.
--
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/