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From: Andi Kleen <ak@suse.de>
To: Adrian Bunk <bunk@stusta.de>
Cc: Zachary Amsden <zach@vmware.com>, Andrew Morton <akpm@osdl.org>,
	xen-devel@lists.xensource.com,
	Christoph Hellwig <hch@infradead.org>, Jack Lo <jlo@vmware.com>,
	Greg KH <greg@kroah.com>, Rusty Russell <rusty@rustcorp.com.au>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Chris Wright <chrisw@sous-sol.org>,
	virtualization@lists.osdl.org, Linus Torvalds <torvalds@osdl.org>,
	James.Bottomley@steeleye.com, pazke@donpac.ru
Subject: Re: A proposal - binary
Date: Sat, 5 Aug 2006 13:57:09 +0200	[thread overview]
Message-ID: <200608051357.09432.ak@suse.de> (raw)
In-Reply-To: <20060805104735.GS25692@stusta.de>


> Has anyone measured the performance impact of rutime CLOCK_TICK_RATE 
> switching (since this will no longer allow some compile time 
> optimizations in jiffies.h)?

SUSE shipped a kernel briefly that had runtime switchable jiffies
and there were some benchmarks done and they didn't show noticeable
slowdown.

But with hr timers it should be pretty much obsolete anyways.

-Andi

  reply	other threads:[~2006-08-05 11:57 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <44D1CC7D.4010600@vmware.com>
     [not found] ` <20060803190605.GB14237@kroah.com>
     [not found]   ` <44D24DD8.1080006@vmware.com>
     [not found]     ` <20060803200136.GB28537@kroah.com>
     [not found]       ` <20060804183448.GE11244@sequoia.sous-sol.org>
     [not found]         ` <44D3B0F0.2010409@vmware.com>
2006-08-04 21:26           ` A proposal - binary Alan Cox
2006-08-05  1:14             ` James Bottomley
2006-08-05  5:37               ` Zachary Amsden
2006-08-05 10:42                 ` Adrian Bunk
2006-08-05 11:50                 ` Alan Cox
2006-08-04 22:01           ` Andi Kleen
2006-08-04 22:39             ` Zachary Amsden
2006-08-04 22:52               ` Andi Kleen
2006-08-04 22:43             ` David Lang
2006-08-05 10:47             ` Adrian Bunk
2006-08-05 11:57               ` Andi Kleen [this message]
2006-08-05  1:30           ` James Bottomley
2006-08-05  4:33             ` Zachary Amsden

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