[Click] About dynamic polling

[Adam Greenhalgh]

But if click is only running as part of the kernel idle loop it
shouldn't matter if the incoming packet rate is low , the CPU should
switch to undertake what ever tasks are being demanded of it leaving
click to run when it isn't doing anything else.

adam

On 13 April 2011 17:06, shule ney <neyshule at gmail.com> wrote:
> What I'm thinking about is when the incoming packet rate is low, high rate
> polling is not needed and you can make use of CPU to do other tasks, while
> if you are always 100%, it's not possible.
>
> 2011/4/13 Adam Greenhalgh <a.greenhalgh at cs.ucl.ac.uk>
>>
>> Unless I'm wrong, the click router exploits the idle cycles of the
>> kernel to undertake its polling and other tasks. So unless you are
>> wanting to undertake power management, why are you worried about the
>> CPU being at 100% if click is just filling the idle tasks ? I am sure
>> Eddie or someone else will correct me if I am wrong.
>>
>> adam
>>
>> On 13 April 2011 16:40, shule ney <neyshule at gmail.com> wrote:
>> > Hi all:
>> > I'm using intel 8254 family NIC, now I want to make the polling
>> > mechanism dynamically(now it's constant rate polling and CPU usage is
>> > always
>> > 100%), is there any suitable patch for my setups? Thanks very much to
>> > reply.
>> > _______________________________________________
>> > click mailing list
>> > click at amsterdam.lcs.mit.edu
>> > https://amsterdam.lcs.mit.edu/mailman/listinfo/click
>> >
>
>