linux-kernel - Re: [ANNOUNCE] v5.10-rc2-rt4

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]

Date:   Tue, 10 Nov 2020 19:05:18 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Daniel Wagner <wagi@...om.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-rt-users <linux-rt-users@...r.kernel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [ANNOUNCE] v5.10-rc2-rt4

On 2020-11-09 15:37:03 [+0100], Daniel Wagner wrote:
> > I've been staring at the code of signaltest on Friday and I might need
> > to stare longer to figure out what it does.
> 
> I hear you. Anyway, I gave the current head a run with lazy preemption
> disabled as you asked for.

I just sent a few patches your way regarding signaltest. It should help
you with tracing. I've been playing with it on a juno box and I didn't
see anything odd. My max value was below 200us. I added a few tracing
bits. With sched, signal and hrtimer events you should be able to see
what delays the RT thread. I didn't see anything odd.

Sebastian