Re: Serial port blues
- From: Theodore Tso <tytso@xxxxxxx>
- Date: Sun, 21 Jan 2007 13:55:35 -0500
On Sun, Jan 21, 2007 at 08:05:57AM +0100, Willy Tarreau wrote:
Hmmm the busy loop is dirty as hell, even on SMP, but it works ;-)
I remember is was possible to reprogram the RTC to interrupt at 8192 Hz.
If the task is running with real time prio, it should get this accuracy,
or am I mistaken ?
You can do in a kernel module. The problem with a userspace program
is that without the -rt patches, you can't guarantee that userspace
process will get a chance to run in time.
- Ted
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