linux-kernel - Re: [PATCH v2 5/5] rv: Add rts monitor

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250815134851.GC3289052@noisy.programming.kicks-ass.net>
Date: Fri, 15 Aug 2025 15:48:51 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Nam Cao <namcao@...utronix.de>
Cc: Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Gabriele Monaco <gmonaco@...hat.com>,
	linux-trace-kernel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...hat.com>, Juri Lelli <juri.lelli@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
	Valentin Schneider <vschneid@...hat.com>,
	K Prateek Nayak <kprateek.nayak@....com>
Subject: Re: [PATCH v2 5/5] rv: Add rts monitor

On Wed, Aug 06, 2025 at 10:01:21AM +0200, Nam Cao wrote:
> Add "real-time scheduling" monitor, which validates that SCHED_RR and
> SCHED_FIFO tasks are scheduled before tasks with normal and extensible
> scheduling policies

The actual monitor seems to know about deadline too. Surely changelog
and document need updating?

While there, you should probably extend to cover at least STOP class,
but possibly also IDLE class, no? Validating: IDLE < EXT < FAIR <
FIFO/RR < DL < STOP.