Re: instruction cache throttling
Joerg Sommer <joerg@alea.gnuu.de> wrote:
> Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:
>>
>>> Do you mean the powersave governor should controll this register too?
>>>
>>> > I'm interested to discuss this more. I have been wanting this feature for a
>>> > while; and even have written some code for it a couple of times, but I tend to
>>> > get distracted too easily when it comes to hobby code.
>>>
>>> Is your code anywher available?
>>
>> I would suggest you first write some kind of hack to control it via
>> sysfs or /proc and do some measurements to see if there is any real
>> benefit in throttling...
>
> Here is the hack http://www.minet.uni-jena.de/~joergs/ictc/. I don't know
> if its correct, but it doesn't make the kernel oops.
I used this module today and I don't see any difference to the life
without. I use 254 because 255 cause very high cpu load.
Jörg.
--
Wenn du nur einen Hammer hast, sieht jedes Problem aus wie ein Nagel.
Reply to: