Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt

randy_dunlap
2005-07-23T23:48:17Z

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