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Date: Sat, 23 Jul 2005 16:48:02 -0700
From: randy_dunlap <rdunlap@xenotime.net>
To: Jesper Juhl <jesper.juhl@gmail.com>
Cc: torvalds@osdl.org, rlrevell@joe-job.com, cw@f00f.org, akpm@osdl.org,
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Subject: Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt
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On Fri, 15 Jul 2005 05:46:44 +0200 Jesper Juhl wrote:

> +static int __init jiffies_increment_setup(char *str)
> +{
> +	printk(KERN_NOTICE "setting up jiffies_increment : ");
> +	if (str) {
> +		printk("kernel_hz = %s, ", str);
> +	} else {
> +		printk("kernel_hz is unset, ");
> +	}
> +	if (!strncmp("100", str, 3)) {

BTW, if someone enters "kernel_hz=1000", this check (above) for "100"
matches (detects) 100, not 1000.

> +		jiffies_increment = 10;
> +		printk("jiffies_increment set to 10, effective HZ will be 100\n");
> +	} else if (!strncmp("250", str, 3)) {
> +		jiffies_increment = 4;
> +		printk("jiffies_increment set to 4, effective HZ will be 250\n");
> +	} else {
> +		jiffies_increment = 1;
> +		printk("jiffies_increment set to 1, effective HZ will be 1000\n");
> +	}
> +
> +	return 1;
> +}

---
~Randy