xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[PATCH] i386: Selectable Frequency of the Timer Interrupt

Browse Source 
Make the timer frequency selectable. The timer interrupt may cause bus
and memory contention in large NUMA systems since the interrupt occurs
on each processor HZ times per second.

Signed-off-by: Christoph Lameter <christoph@lameter.com>
Signed-off-by: Shai Fultheim <shai@scalex86.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christoph Lameter
2005-06-23 00:08:25 -07:00
committed by Linus Torvalds
parent 799d19f6ec
commit 5912100372
5 changed files with 57 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/asm-i386/param.h
View File

@@ -1,8 +1,10 @@
#include <linux/config.h>
#ifndef _ASMi386_PARAM_H
#define _ASMi386_PARAM_H
#ifdef __KERNEL__
# define HZ 1000 /* Internal kernel timer frequency */
# define HZ CONFIG_HZ /* Internal kernel timer frequency */
# define USER_HZ 100 /* .. some user interfaces are in "ticks" */
# define CLOCKS_PER_SEC (USER_HZ) /* like times() */
#endif