Return-Path: Received: by vger.rutgers.edu id <157339-13684>; Thu, 7 Jan 1999 14:54:50 -0500 Received: from caffeine.ix.net.nz ([203.97.100.28]:1194 "EHLO caffeine.ix.net.nz" ident: "NO-IDENT-SERVICE[2]") by vger.rutgers.edu with ESMTP id <157665-13684>; Thu, 7 Jan 1999 02:29:29 -0500 Date: Thu, 7 Jan 1999 22:54:53 +1300 From: Chris Wedgwood To: scherrey@proteus-tech.com Cc: Kurt Garloff , Linux kernel list Subject: Re: [PATCH] HZ change for ix86 Message-ID: <19990107225453.A1900@caffeine.ix.net.nz> References: <19990105094830.A17862@kg1.ping.de> <3692DF1C.C03DD162@gte.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95i In-Reply-To: <3692DF1C.C03DD162@gte.net>; from Benjamin Scherrey on Tue, Jan 05, 1999 at 10:57:16PM -0500 Disposition-Notification-To: Disposition Test X-No-Archive: Yes Sender: owner-linux-kernel@vger.rutgers.edu Content-Length: 815 Lines: 27 On Tue, Jan 05, 1999 at 10:57:16PM -0500, Benjamin Scherrey wrote: > Thanx for the insightful information about the impact of > changing the HZ values. Questions: a) how platform specific is this > setting (i86, ALPHA, et al) each platform is differnet, for example, x86 is 100, alpha is 1024. Some RT people use 10,000 or so on x86 I beleive (you can also do this to get more fine frained shaper control) > and b) Does increasing the HZ value increases context switches or > increases duration of each context? no > This sounds like an excellent developer's config option to me.... why? what are you truing to achieve? -cw - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/