Re: [PATCH] cpufreq: schedutil: Always trace frequency if it does not change

From: Peter Zijlstra
Date: Wed Mar 22 2017 - 10:22:35 EST


On Wed, Mar 22, 2017 at 01:52:04PM +0100, Rafael J. Wysocki wrote:
> On Wed, Mar 22, 2017 at 10:29 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> > So why not fix the tools?
>
> Because I can't.
>
> I just can't go and fix all of the tools binaries that people use out
> there and I want them to use recent kernels at the same time.
>

Thing is; you're now letting random tracepoint user dictate kernel
implementation. That's a bad state to be in.

(and why I hate tracepoint to begin with)