linux-kernel - Re: [PATCH] tracing: Move trace_handle

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Date:   Thu, 16 Mar 2017 11:43:21 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Andi Kleen <andi@...stfloor.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] tracing: Move trace_handle_return() out of line

On Thu, 16 Mar 2017 11:34:59 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

>    text    data     bss     dec     hex filename
> 137827709       140221067       53264384        331313160       13bf7008 vmlinux-allyes-handle
> 137920629       140221067       53264384        331406080       13c0db00 vmlinux-allyes-orig

Andi, with your patch I have:

137828738       140221067       53264384        331314189       13bf740d        vmlinux-allyes-seq

That's 91891 bytes in savings. 1029 bytes less than the savings of my
patch. As I said, you out-of-lined the wrong function.

-- Steve


> 
> 92920 bytes in savings!!!
>