0
votes
1answer
16 views

Advantages of alternative kernel

Recently I have seen an WebUpd8 article about an alternative kenrel to the stock Ubuntu kernel, the pf-kernel, that supposed increases performance. I am running Ubuntu 12.10 using kernel 3.5.0-30 ...
0
votes
3answers
241 views

building monolithic kernels will improve performace of the system ?

i am using ubuntu 12.04 . If I build monolithic kernels for device drivers i.e driver will have its own kernel as i understand , will it really improves system ...
2
votes
1answer
473 views

Ubuntu 12.04 - e1000e slow performance

I'm running Ubuntu 12.04 on a Thinkpad W510. lspci reports this ethernet controller 00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network Connection (rev 06) By default the ...
0
votes
1answer
691 views

How to get isolcpus kernel parameter working with Precise 12.04 amd64?

I've been testing this stuff trying to reserve some CPUs in a host with two Intel E5645 but I can't get it working for some reason. Steps I followed: Edit /etc/default/grub and added isolcpus=0,1 to ...
0
votes
0answers
458 views

Improving TCP performance over a gigabit network with lots of connections and high traffic of small packets [closed]

I’m trying to improve my TCP throughput over a “gigabit network with lots of connections and high traffic of small packets”. My server OS is Ubuntu 11.10 Server 64bit. There are about 50.000 (and ...
2
votes
1answer
144 views

Can I use kernel-seeds on top of Ubuntu kernels?

Former Gentoo user here. I'm trying to optimize the system by recompiling kernel specifically for my processor and disabling code I won't be using (to reduce memory consumption, improve speed etc.). ...
3
votes
1answer
318 views

How do I get Perfmon support for my kernel?

I would like to install perfmon for using performance monitoring events on my Ubuntu 10.04 LTS server machine. I have read that Ubuntu kernel 2.6 comes with perfmon support. However, as we can see ...
58
votes
6answers
9k views

How do we get this magic performance-boosting 200 line patch?

I read today on Phoronix that there is a 200 line patch to the Linux Kernel which dramatically improves desktop responsiveness. How can Ubuntu users get this in a way that's supported?
6
votes
1answer
827 views

What would be the recommended kernel configuration for a gaming machine?

I have read a lot of talk about how OpenSUSE is using a "Desktop" kernel. This kernel utilizes a 1000hz timer and full preemption among other things. The feature request here goes into more detail ...
3
votes
2answers
793 views

Why to use ordinary kernel if there's realtime one?

What are benefits of an ordinary Ubuntu kernel compared to realtime one? What are realtime kernel's tradeoffs?