linux-kernel - Re: [PATCH] tracing: Cleanup the convoluted softirq tracepoints

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Message-ID: <1287680725.16971.586.camel@gandalf.stny.rr.com>
Date:	Thu, 21 Oct 2010 13:05:25 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Koki Sanagi <sanagi.koki@...fujitsu.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	nhorman@...driver.com, scott.a.mcmillan@...el.com,
	laijs@...fujitsu.com, "H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>, eric.dumazet@...il.com,
	kaneshige.kenji@...fujitsu.com, David Miller <davem@...emloft.net>,
	izumi.taku@...fujitsu.com, kosaki.motohiro@...fujitsu.com,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	"Luck, Tony" <tony.luck@...el.com>
Subject: Re: [PATCH] tracing: Cleanup the convoluted softirq tracepoints

On Thu, 2010-10-21 at 18:18 +0200, Thomas Gleixner wrote:
> 
> On Tue, 19 Oct 2010, Steven Rostedt wrote:
> 
> > On Wed, 2010-10-20 at 00:04 +0200, Thomas Gleixner wrote:
> > 
> > > hpa just posted code which does the _RIGHT_ _THING_ independent of any
> > > compiler madness and you tracer folks just missed it.
> > 
> > Thomas,
> > 
> > Can you try this patch and see if it makes the object code better?
> 
> Nope, same result.

Yeah, I figured. Do you have CC_OPTIMIZE_FOR_SIZE set? And if you do,
what happens if you disable it?

-- Steve


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