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From:   Peter Zijlstra <peterz@infradead.org>
To:     Tim Chen <tim.c.chen@linux.intel.com>
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Subject: Re: [RFC PATCH 1/2] sched: Rate limit migrations to 1 per 2ms per
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On Tue, Sep 05, 2023 at 03:44:57PM -0700, Tim Chen wrote:

> Reading up on sched_clock() documentation and seems like it should 
> indeed be monotonic.

It tries very hard to be monotonic but cannot guarantee. The moment TSC
is found unstable it's too late to fix up everything.