Re: [PATCH] tracing - enabling "__cold" functions

From: Jiri Olsa
Date: Mon Oct 12 2009 - 07:20:48 EST


any feedback on this one?

thanks,
jirka

On Fri, Oct 09, 2009 at 06:14:59PM +0200, jolsa@xxxxxxxxxx wrote:
> Based on the commit:
>
> a586df06 "x86: Support __attribute__((__cold__)) in gcc 4.3"
>
> some of the functions goes to the ".text.unlikely" section.
>
> Looks like there's not many of them (I found printk, panic,
> __ssb_dma_not_implemented, fat_fs_error), but still worth
> to include I think.
>
> wbr,
> jirka
>
>
> Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> ---
> scripts/recordmcount.pl | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
> index 090d300..bfb8b2c 100755
> --- a/scripts/recordmcount.pl
> +++ b/scripts/recordmcount.pl
> @@ -119,6 +119,7 @@ my %text_sections = (
> ".sched.text" => 1,
> ".spinlock.text" => 1,
> ".irqentry.text" => 1,
> + ".text.unlikely" => 1,
> );
>
> $objdump = "objdump" if ((length $objdump) == 0);
> --
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