linux-kernel - Re: Linux Serial Performance

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Message-ID: <bd8e30a41001091132m611a2054i3ed4098111e005cb@mail.gmail.com>
Date:	Sat, 9 Jan 2010 11:32:19 -0800
From:	"Paul G. Allen" <pgallen@...il.com>
To:	Samuel Thibault <samuel.thibault@...-lyon.org>,
	"Paul G. Allen" <pgallen@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Linux Serial Performance

Well, as far as I know. Same code on both systems. The embedded device
operates at 115200, 8N1, no flow control. It uses RPC/SLIP protocol
for commands and data. They talk to each other, but the Linux system
just takes forever to send the data.

PGA

On Sat, Jan 9, 2010 at 11:10 AM, Samuel Thibault
<samuel.thibault@...-lyon.org> wrote:
> Paul G. Allen, le Sat 09 Jan 2010 10:57:48 -0800, a écrit :
>> In all cases, the profiler shows the serial Tx
>> to be about 20x faster (twenty times) on Windows XP than in Linux.
>
> Did you properly set the serial port speed?
>
> Samuel
>



-- 
Paul G. Allen
Random Logic Consulting
www.randomlogic.com
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