perf binaries included here are part of the Linux kernel and are distributed
under GPL version 2; The full text of the license may be viewed here:

http://www.gnu.org/licenses/gpl-2.0.html

Source for these binaries is part of Linux Kernel source tree. This may be obtained
from Linaro here:

https://git.linaro.org/arm/big.LITTLE/mp.git
