netdev - Re:

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Date:	Wed, 17 Oct 2012 11:18:04 -0400
From:	Shravan Mishra <shravan.mishra@...il.com>
To:	netdev@...r.kernel.org
Subject: Re:

On Wed, Oct 17, 2012 at 11:16 AM, Shravan Mishra
<shravan.mishra@...il.com> wrote:
>
> Hi,
>
> Is there a way to simulate delayed acknowlegement such that in my packet
> trace I see it getting triggered.
>
> I'm using 3.2.31 linux kernel.
>
> I don't see any sysctl parameter for doing this.
>
> I checked HZ on my box using sysconf(_SC_CLK_TICK) it shows 100.
>
> Under tcp.h
>
> TCP_DELACK_MIN - HZ/25
>
> which means that my delayed ack timeout will be 40ms.
>
> How can I see this ?
>
> Currently I see tcp acks well within the above bounds.
>
>
> Sincerely
> Shravan
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