Kara Zaffarano SunyIT. Detect CPU bound and I/O bound processes Increase process priority for CPU bound processes and lower nice value Lower priority.

Kara ZaffaranoSunyIT

Detect CPU bound and I/O bound processes Increase process priority for CPU bound

processes and lower nice value Lower priority for I/O bound processes and

increase nice value Control operation using a system call

Toggle functionality Set parameters

Log detection and changes to process priority

Virtual machine (VM) 2GB RAM 2 2.1GHz cores

Ubuntu 12.10 3.8-rc6 Kernel

Kernel/sched/fair.c Include/linux/syscalls.hArch/x86/syscalls.tbl

Phoronix Automated open source testing

framework http://www.phoronix-test-suite.com/

Chess test suite Tscp – AI algorithm for the game of

chessCustom AI project test

Classification

High deviations in collected data both with and without modifications Caused by virtual environment?

Time skew issue wasted a lot of time Would have tested/validated modifications

more Would have cleaned up the code a bit more Would have explored rt, se Etc.

Slow VM!!!!