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-next>] [day] [month] [year] [list]
Date:	Mon, 23 Apr 2007 20:52:53 +0200
From:	Niel Lambrechts <unix@...komsa.net>
To:	Gene Heskett <gene.heskett@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [report] renicing X, cfs-v5 vs sd-0.46

Gene Heskett wrote:
> This message prompted me to do some checking in re context switches myself, 
> and I've come to the conclusion that there could be a bug in vmstat itself.

Perhaps. perhaps not. :)

> Run singly the context switching is reasonable even for a -19 niceness of x, 
> its only showing about 200 or so on the first loop of vmstat.  But throw in 
> the -n 1 arguments and it goes crazy on the second and subsequent loops.

man vmstat:
"The first report produced gives averages since the last reboot.
Additional reports  give information on a sampling period of length delay."

Regards,
Niel
-
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ