Checkout Linux Trace Toolkit at http://www.opersys.com/LTT/ It might help you. If you don't want to modify the kernel source just to place TRACE statements all over the place, or don't want to recompile the kernel much, you may want to check out http://www-124.ibm.com/linux/projects/dprobes. On Wed, Jul 10, 2002 at 02:24:26PM +0900, Jonathan Khoo wrote: > Hi guys, > > I want to measure the timings between various operations in the kernel > and the only way I know of is to use printk to output the timings. > However, I also realize that by adding unnecessary printk statements > will affect the system performance. How can I measure the "actual" > timings? > > Cheers, > Jonathan Khoo > -- Vamsi Krishna S. Linux Technology Center, IBM Software Lab, Bangalore. Ph: +91 80 5044959 Internet: vamsi@in.ibm.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
