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Re: [gpsd-dev] A detail in your ntpoffset script


From: Dave Platt
Subject: Re: [gpsd-dev] A detail in your ntpoffset script
Date: Tue, 22 Oct 2013 16:30:08 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0

On 10/22/2013 04:00 PM, Andy Walls wrote:
> 8 milliseconds.
> 
> You might want to read this:
> https://github.com/scottellis/overo-irqlat/blob/master/README.md

Ouch!

The article you pointed to, suggests an IRQ latency which is typically
8 to 10 microseconds.  Any idea why you're seeing 1000x worse?






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