linux-kernel - Re: [PATCH 5/7] add syscall tracepoints

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Message-ID: <20090619021418.GC7903@nowhere>
Date:	Fri, 19 Jun 2009 04:14:18 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Jason Baron <jbaron@...hat.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, laijs@...fujitsu.com,
	rostedt@...dmis.org, peterz@...radead.org,
	mathieu.desnoyers@...ymtl.ca, jiayingz@...gle.com,
	bligh@...gle.com, roland@...hat.com, fche@...hat.com
Subject: Re: [PATCH 5/7] add syscall tracepoints

On Fri, Jun 12, 2009 at 05:24:59PM -0400, Jason Baron wrote:
> update FTRACE_SYSCALL_MAX to the current number of syscalls
> 
> 
> Signed-off-by: Jason Baron <jbaron@...hat.com>
> 
> ---
>  arch/x86/include/asm/ftrace.h |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
> index bd2c651..d16d195 100644
> --- a/arch/x86/include/asm/ftrace.h
> +++ b/arch/x86/include/asm/ftrace.h
> @@ -30,9 +30,9 @@
>  
>  /* FIXME: I don't want to stay hardcoded */


BTW, is there a way to know this size dynamically?
Or is there already a hardcoded number of syscalls somewhere
in x86?

Frederic.


>  #ifdef CONFIG_X86_64
> -# define FTRACE_SYSCALL_MAX     296
> +# define FTRACE_SYSCALL_MAX     298
>  #else
> -# define FTRACE_SYSCALL_MAX     333
> +# define FTRACE_SYSCALL_MAX     336
>  #endif
>  
>  #ifdef CONFIG_FUNCTION_TRACER
> -- 
> 1.6.0.6
> 

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