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From: Andi Kleen <ak@suse.de>
To: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Andrew Morton <akpm@osdl.org>, Andi Kleen <ak@suse.de>,
	Dave Jones <davej@redhat.com>, cpufreq <cpufreq@www.linux.org.uk>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] CPU frequency display in /proc/cpuinfo
Date: Fri, 2 Dec 2005 19:19:27 +0100	[thread overview]
Message-ID: <20051202181927.GD9766@wotan.suse.de> (raw)
In-Reply-To: <20051202101331.A2723@unix-os.sc.intel.com>

On Fri, Dec 02, 2005 at 10:13:31AM -0800, Pallipadi, Venkatesh wrote:
> On x86_64:
> There is one single variable cpu_khz that gets written by all the CPUs. So,
> the frequency set by last CPU will be seen on /proc/cpuinfo of all the
> CPUs in the system. What you see also depends on whether you have constant_tsc
> capable CPU or not.

x86-64 part looks good. Thanks.

>  /* query the current CPU frequency (in kHz). If zero, cpufreq couldn't detect it */
>  unsigned int cpufreq_get(unsigned int cpu);
>  
> +/* query the last known CPU freq (in kHz). If zero, cpufreq couldn't detect it */
> +#ifdef CONFIG_CPU_FREQ
> +unsigned int cpufreq_quick_get(unsigned int cpu);
> +#else
> +unsigned int cpufreq_quick_get(unsigned int cpu)
> +{
> +	return 0;
> +}
> +#endif

Shouldn't this be a static inline? 

-Andi

  reply	other threads:[~2005-12-02 18:19 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-02 18:13 [PATCH] CPU frequency display in /proc/cpuinfo Venkatesh Pallipadi
2005-12-02 18:19 ` Andi Kleen [this message]
2005-12-02 18:43   ` Venkatesh Pallipadi
2005-12-04 16:43     ` Dominik Brodowski
2005-12-04 18:32       ` Andi Kleen
2005-12-04 19:49         ` Lee Revell
2005-12-04 20:13           ` Andi Kleen
2005-12-04 21:01           ` Horst von Brand
2005-12-05  1:16           ` Dave Jones
2005-12-05 13:02             ` Erik Mouw
2005-12-05 17:25               ` Dave Jones
2005-12-05 17:27                 ` Lee Revell
2005-12-06 11:13                 ` Erik Mouw
2005-12-06 16:56                   ` Dave Jones
2005-12-06 17:35                     ` Erik Mouw
2005-12-05 15:32             ` Lee Revell
2005-12-05 18:36               ` Andi Kleen
2005-12-05 15:59             ` Mark Lord
2005-12-05 17:26               ` Dave Jones
2005-12-05 16:29             ` Avi Kivity
2005-12-05 16:46               ` linux-os (Dick Johnson)
2005-12-05 17:27               ` Dave Jones

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