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From: "Venkatesh Ramamurthy" <venkateshr@softhome.net>
To: "Pekka Pietikainen" <pp@evil.netppl.fi>, <linux-kernel@vger.kernel.org>
Subject: Re: [Question] Explanation of zero-copy networking
Date: Mon, 7 May 2001 15:00:43 -0400	[thread overview]
Message-ID: <017501c0d728$05177160$7253e59b@megatrends.com> (raw)
In-Reply-To: <E14wlUi-0003WQ-00@the-village.bc.nu> <Pine.LNX.3.95.1010507121212.4256A-100000@chaos.analogic.com> <20010507213048.A17014@netppl.fi>

> Then there's the interrupt problem, which someone will have to solve
> before they start shipping 10gigE NICs that use 1500-byte frames, 850000
> interrupts/s without mitigation. Wheeee!!!!

In this situations polling helps rather than interrupt driven IO. When there
is heavy IO(read more interrupts per sec), we should automatically switch to
polling mode, once the IO drops we can go to Interrupt driven. But how do we
decide when to switch modes?

Just my 2 cents .....



  reply	other threads:[~2001-05-07 18:58 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-05-07 13:43 Alexander Eichhorn
2001-05-07 13:56 ` Alan Cox
2001-05-07 16:12   ` Richard B. Johnson
2001-05-07 17:53     ` Francois Romieu
2001-05-07 18:00       ` Blue Lang
2001-05-07 18:25     ` dean gaudet
2001-05-07 19:54       ` Richard B. Johnson
2001-05-07 20:23         ` dean gaudet
2001-05-08 11:09         ` Bjorn Wesen
2001-05-08 17:30         ` Alexander Eichhorn
2001-05-09  9:56           ` Reto Baettig
2001-05-07 18:30     ` Pekka Pietikainen
2001-05-07 19:00       ` Venkatesh Ramamurthy [this message]
2001-05-08  7:18     ` Jamie Lokier
2001-05-09 15:13       ` Eric W. Biederman
2001-05-07 18:21   ` dean gaudet
2001-05-07 21:59     ` Alan Cox
2001-05-08 16:20       ` Jamie Lokier

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