Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 29 May 2007 19:04:42 +0000
From:      "Poul-Henning Kamp" <phk@phk.freebsd.dk>
To:        Jeff Roberson <jroberson@chesapeake.net>
Cc:        arch@freebsd.org
Subject:   Re: rusage breakdown and cpu limits. 
Message-ID:  <32969.1180465482@critter.freebsd.dk>
In-Reply-To: Your message of "Tue, 29 May 2007 11:01:36 MST." <20070529105856.L661@10.0.0.1> 

next in thread | previous in thread | raw e-mail | index | archive | help
In message <20070529105856.L661@10.0.0.1>, Jeff Roberson writes:

>I'm working with Attilio to break down rusage further to be per-thread in 
>places where it is protected by the global scheduler lock.  To support 
>this, I am interested in moving the rlimit cpulimit check into userret(), 
>or perhaps ast().  Is there any reason why we need to check this on every 
>context switch?  Any objections to moving it?  Eventually it will require 
>a different lock from the one we obtain to call mi_switch().

For all I care, we can do the cpu limit check once per second only.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?32969.1180465482>