Re: Measuring Time on Serial Port Events

2004-01-13 Thread M. Warner Losh
In message: <[EMAIL PROTECTED]> "Crist J. Clark" <[EMAIL PROTECTED]> writes: : I'm doing some work involving measuring latencies of communications : over serial ports. To avoid clock synchronizations issues if we were : running on separate machines, a configuration is a modem hooked int

Measuring Time on Serial Port Events

2004-01-13 Thread Crist J. Clark
I'm doing some work involving measuring latencies of communications over serial ports. To avoid clock synchronizations issues if we were running on separate machines, a configuration is a modem hooked into /dev/cuaa0 and another in /dev/cuaa1. We talk to the modem on cuaa0 which calls the modem on