From mboxrd@z Thu Jan 1 00:00:00 1970 From: erik quanstrom Date: Sat, 29 Sep 2012 13:03:19 -0400 To: 9fans@9fans.net Message-ID: In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] usbether Topicbox-Message-UUID: bbefa3b2-ead7-11e9-9d60-3106f5b1d025 > I had a similar problem with serial a while ago. The problem was that > it was taking too long doing too many system calls, doing big reads > and buffering may help you? why doesn't the device do the buffering? or is the problem that usb/ether essentially an event loop of and any delays in that pipeline accumulate? - erik