Re: MTIME update frequency

Ved Shanbhogue

On Tue, Nov 16, 2021 at 11:31:44AM -0800, Greg Favor wrote:
On Tue, Nov 16, 2021 at 10:50 AM Jonathan Behrens <behrensj@...> wrote:

To Ved's last post, it is the timebase resolution (and not update
frequency) that determines the conversion from time to ticks.

So the question is whether there should be a fixed resolution so that
platform-compliant software can simply do a fixed absolute time to
mtime/time conversion, and conversely how much or little change to Linux
would be required to support a discoverable variable conversion?
Linux discovers the timebase from device-tree and does not assume a fixed frequency:


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