linux-kernel - Re: Dynamic ticks make system jerking

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] [day] [month] [year] [list]

Message-ID: <20070630190844.GA1775@elte.hu>
Date:	Sat, 30 Jun 2007 21:08:45 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Uwe Kleine-König 
	<ukleinek@...ormatik.uni-freiburg.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: Dynamic ticks make system jerking


* Uwe Kleine-König <ukleinek@...ormatik.uni-freiburg.de> wrote:

> I found the problem, it had only indirectly to do with nohz.  I didn't 
> acknowledge the serial interrupt but as the timer and the serial need 
> the same acknowledgement the serial irq got his ack always when the 
> timer triggerd.  Up to now that delay didn't stick out as the delay 
> was < 10ms.

yeah, that makes sense. Now you've probably got a better serial driver 
as a side-effect :-)

	Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/