# Re: \[PATCH 2/24\] timekeeping: Use system\_time\_snapshot::sys instead of ::real

- From: David Woodhouse \<dwmw2@infradead.org\>
- Date: 2026-05-26 23:40:59 
- List: netdev
- Page: https://ratatoskr.run/netdev/2026/05/17033757
- Thread: https://ratatoskr.run/kvmarm/2026/05/17032577/t.md

```text
On Tue, 26 May 2026 19:13:38 +0200, Thomas Gleixner wrote:
> system_time_snapshot::sys provides the same information as
> system_time_snapshot::real when the snapshot was taken with
> ktime_get_snapshot_id(CLOCK_REALTIME).
>
> Convert the history interpolation over to use 'sys' as 'real' is going away
> once all users are converted.
>
> As a side effect this is the first step to support CLOCK_AUX with
> get_device_crosstime_stamp() and the history interpolation.
>
> Signed-off-by: Thomas Gleixner <tglx@kernel.org>

Reviewed-by: David Woodhouse <redacted>
Tested-by: David Woodhouse <redacted>

```

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