Florian Weimer writes:

* Sam Varshavchik:

> Based on a casual browsing of clock_gettime(3), CLOCK_MONOTONIC_RAW
> seems to be a better fit for std::chrono::steady_clock's requirements
> as given in  20.11.7.2, with recent Linux kernels,

Are the Linux clock semantics documented somewhere in detail?

clock_gettime(3) says:

# CLOCK_MONOTONIC_RAW (since Linux 2.6.28; Linux-specific)
# Similar  to  CLOCK_MONOTONIC, but provides access to a raw hard‐
# ware-based time that is not subject to NTP adjustments.

That looks like a better fit for what 20.11.7.2 says steady_clock should be.

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