linux-kernel - Re: [PATCH 207/208] x86/fpu: Add FPU performance measurement subsystem

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Message-ID: <CALCETrUXJTNO0kdiuuR3L-YHOr0YRqMCVwg-BMDd=Wi1gKDi3w@mail.gmail.com>
Date:	Tue, 5 May 2015 17:52:42 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Borislav Petkov <bp@...en8.de>, Fenghua Yu <fenghua.yu@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 207/208] x86/fpu: Add FPU performance measurement subsystem

On May 5, 2015 11:30 PM, "Ingo Molnar" <mingo@...nel.org> wrote:
>
> Add a short FPU performance suite that runs once during bootup.
>
> It can be enabled via CONFIG_X86_DEBUG_FPU_PERFORMANCE=y.

Neat!

Can you change "cycles" to "TSC ticks"?  They're not quite the same thing.

--Andy
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