linux-kernel - Re: [PATCH 2/2] Add a thread cpu time implementation to vDSO

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Date:	Mon, 12 Dec 2011 21:13:11 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Arun Sharma <asharma@...com>
Cc:	linux-kernel@...r.kernel.org, Kumar Sundararajan <kumar@...com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	john stultz <johnstul@...ibm.com>,
	Andy Lutomirski <luto@....EDU>
Subject: Re: [PATCH 2/2] Add a thread cpu time implementation to vDSO

Le lundi 12 décembre 2011 à 11:36 -0800, Arun Sharma a écrit :
> From: Kumar Sundararajan <kumar@...com>
> 

...

> +
> +struct vcpu_data {
> +	struct vpercpu_data vpercpu[NR_CPUS];
> +	unsigned int tsc_khz;
> +	unsigned int tsc_unstable;
> +};

Thats a showstopper.

Try to compile the thing with NR_CPUS=4096 ?


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