0
votes
1answer
56 views

Linux benchmark SSD vs HDD

I wonder if there is any performance difference when using SSD as the main Hard drive rather than mounting it to be used by different applications on the server. For example using a command line ...
2
votes
1answer
59 views

Can a kernel that supports multi-core reduce cpu overhead, reduce cpu overheat

I found only a single core as identified by kernel from /proc/cpuinfo. Therefore I am installing a 686 pae kernel to identify all cores and get multi-core functionality. I read about how a process ...
0
votes
3answers
4k views

Macbook freezes, console printing kernel: disk0s2 I/O error

Yesterday I've closed my mac, opened it today and experienced horrible performance slowdown, beachball, and eventually a freeze. After several reboots I managed to close most of my applications but ...
1
vote
0answers
171 views

Kernel tuning on Linux [closed]

I have heard about using operating systems where they "tune" the kernel. If they are bypassing the kernel, do they need to tune the kernel? Is it a case of they do both because whilst the network ...
5
votes
1answer
3k views

How do I analyze excessive Windows kernel mode CPU usage?

My Windows XP machine recently started to semi freeze on me every odd reboot after a few minutes of usage (different programs / no additional prg start at all). Update: I have now managed to get a ...
6
votes
1answer
1k views

How to benchmark kernel (-Os vs -O2)

It seems logical to me that on a 64-bit kernel compiling it to optimize for size might help overall. (My distro of choice uses -O2) It has the benefits of more registers and memory and perhaps less ...
9
votes
7answers
12k views

Any reason not to disable Windows kernel paging?

So I'm planning on eventually going to 2 GB (mobo max) RAM from 1 GB, and I want to disable kernel paging once I do, because I've heard it can give a performance boost (and that I believe). Any reason ...