linux-kernel - Re: [PATCH] feat(CFS Bandwidth): add an interface for CFS Bandwidth

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Date:   Mon, 29 Apr 2019 09:55:07 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     k-onishi <princeontrojanhorse@...il.com>
Cc:     mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] feat(CFS Bandwidth): add an interface for CFS Bandwidth

On Sun, Apr 28, 2019 at 04:32:06PM +0900, k-onishi wrote:
> I added an interface which is more intuitive
> and takes less write/read systemcalls.
> 
> I think that most people don't really care period
> and quota of CFS Bandwidth,
> 
> They just use it like
> "I will allow this process to use 50% of single core" in most cases.
> 
> But I know that we still need to care period and quota in some cases.
> 
> Please consider for merging this if you like, thanks.

This is ABI, never just add ABI without proper consideration. And given
we can already do this, it sreves no purpose what so ever.

If people cannot compute a runtime from a period, they have no business
being admin on a computer.