Messages in this thread |  | | Subject | Re: page_launder() on 2.4.9/10 issue | Date | Thu, 6 Sep 2001 15:39:17 +0100 (BST) | From | Alan Cox <> |
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> forgive me if I'm asking a silly question or making a silly comment. It > seems to me, from what I've seen of this discussion so far, that the only > way one "tunes" Linux kernels at the moment is by changing code and > rebuilding the kernel. That is, there are few "tunables" that one can set, > based on one's circumstances, to optimize kernel performance for a specific > application or environment.
There are a lot of tunables in /proc/sys. An excellent tool for playing with them is "powertweak".
> No one "memory management scheme", for example, can be all things to all > tasks, and it seems to me that giving users tools to measure and control the > behavior of memory management, *preferably without having to recompile and > reboot*, should be a major priority if Linux is to succeed in a wide variety > of applications.
The VM is tunable in the -ac tree. I still believe the VM can and should be self tuning but we are not there yet.
> OK, I'll get off my soapbox now, and ask a related question. Is there a > mathematical model of the Linux kernel somewhere that I could get my hands > on?
Not that I am aware of.
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