linux-kernel - Re: Issue in PI boosting code in __sched

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Message-ID: <20150507162215.75d23279@gandalf.local.home>
Date:	Thu, 7 May 2015 16:22:15 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Ronny Meeus <ronny.meeus@...il.com>
Cc:	Mike Galbraith <umgwanakikbuti@...il.com>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: Issue in PI boosting code in __sched_setscheduler

On Thu, 7 May 2015 22:17:48 +0200
Ronny Meeus <ronny.meeus@...il.com> wrote:

> > View on what?
> 
> Whether the real-time priority threads are used a lot.
> I have the impression that there are severe issues in the Linux eco
> system (Kernel+glibc) when it comes to real-time priority handling.
> 

It matters what you want from the thread. Real-time is about
determinism, not throughput. Most actions are about throughput, so it
would not surprise me that they do not make them RT.

-- Steve
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