| To: | Luca Bortot <l.bortot@xxxxxxx> |
|---|---|
| Subject: | Re: jumbo on 8169 |
| From: | Francois Romieu <romieu@xxxxxxxxxxxxx> |
| Date: | Mon, 27 Dec 2004 17:38:02 +0100 |
| Cc: | netdev@xxxxxxxxxxx |
| In-reply-to: | <41D01562.4090606@xxxxxxx> |
| References: | <41CFF27A.2070008@xxxxxxx> <20041227123136.GA25187@xxxxxxxxxxxxxxxxxxxxxxxxxx> <41D01562.4090606@xxxxxxx> |
| Resent-date: | Mon, 27 Dec 2004 18:47:00 +0100 |
| Resent-from: | romieu@xxxxxxxxxxxxx |
| Resent-message-id: | <200412271747.iBRHl0CM028784@xxxxxxxxxxxxxxxxxxxxxxxxxx> |
| Resent-to: | netdev@xxxxxxxxxxx |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.4.1i |
Luca Bortot <l.bortot@xxxxxxx> : [...] > based on a simple tcp test I made (writes zeroes to a socket in 32Kb > blocks and prints the write speed), these are the results (win box cpu > not reported - always under 10% load): > > BEFORE PATCH (mtu 1500) > speed ~38 MB/s > cpu idle 10% > cpu system 90% > > AFTER PATCH (mtu 7000) > speed ~45MB/s > cpu idle 40% > cpu system 60% TSO may make a difference for a TCP test. See ethtool help to enable it. You can experiment with Tx csum/SG as well. I'll welcome a complete dmesg and lspci -vx as they pretty well describe the working combinations. -- Ueimor |
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