linux-kernel - Re: [PATCH] tile: support ftrace on tilegx

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Message-ID: <20130822123714.2611671a@gandalf.local.home>
Date:	Thu, 22 Aug 2013 12:37:14 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Tony Lu <zlu@...era.com>
Cc:	<linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH] tile: support ftrace on tilegx

On Fri, 9 Aug 2013 13:26:09 -0400
Tony Lu <zlu@...era.com> wrote:


> diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
> index 858966a..a674fd5 100755
> --- a/scripts/recordmcount.pl
> +++ b/scripts/recordmcount.pl
> @@ -364,6 +364,10 @@ if ($arch eq "x86_64") {
>  } elsif ($arch eq "blackfin") {
>      $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s__mcount\$";
>      $mcount_adjust = -4;
> +} elsif ($arch eq "tilegx") {
> +    $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s__mcount\$";
> +    $type = ".quad";
> +    $alignment = 8;
>  } else {
>      die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD";
>  }


If you want faster build times, you may want to update recordmcount.c,
and then add HAVE_C_RECORDMCOUNT

-- Steve
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