linux-kernel - Re: Packet timestamps (was: Re: Network performance degradation from 2.6.11.12 to 2.6.16.20)

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Message-Id: <200703061538.45049.dada1@cosmosbay.com>
Date:	Tue, 6 Mar 2007 15:38:44 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	"Vladimir B. Savkin" <master@...torb.msk.ru>
Cc:	netdev@...r.kernel.org, Andi Kleen <ak@...e.de>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	David Miller <davem@...emloft.net>, hawk@...u.dk,
	harry@...os.washington.edu, linux-kernel@...r.kernel.org,
	Rick Jones <rick.jones2@...com>
Subject: Re: Packet timestamps (was: Re: Network performance degradation from 2.6.11.12 to 2.6.16.20)

On Tuesday 06 March 2007 14:25, Vladimir B. Savkin wrote:

>  	},
> +	{
> +		.ctl_name	= NET_CORE_ACCURATE_TIMESTAMPS,
> +		.procname	= "accurate_timestamps",
> +		.data		= &sysctl_accurate_timestamps,
> +		.maxlen		= sizeof(int),
> +		.mode		= 0644,
> +		.proc_handler	= &proc_dointvec
> +	},
>  	{ .ctl_name = 0 }
>  };
>
>
> May I ask about integrating this or a similar solution for those
> like me who values routing performance (with bind9 running) over
> minor convinience of having tcpdump always display accurate
> timestamps?
>

Quite frankly I dont like this patch :

1) Fix applications, do not bloat kernel.

2) "accurate_timestamps" is misleading. 
	Should be "disable_timestamps" 

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