kcontrol_gpu_msm ================ How to build? 1. Edit the Makefile to point to your kernel source in which you want the module to be inserted. 2. make 3. #done How to use: Kcontrol will insert this module with the appropriate parameters on it's own if found in /system/lib/modules. All you need for that to work is compile your kernel with CONFIG_KALLSYMS_ALL. If you want to test this module on your own without KControl, do this: echo "0" > /proc/sys/kernel/kptr_restrict cat /proc/kallsyms | grep 'device_3d0' | tail -n1 XXXXXXXX d device_3d0 cat /proc/kallsyms | grep 'gfx2d0_clk' YYYYYYYY d gfx2d0_clk cat /proc/kallsyms | grep 'gfx3d_clk' ZZZZZZZZ d gfx3d_clk insmod kcontrol_gpu_msm.ko dev_3d0=0xXXXXXXXX gfx2d0_clk=0xYYYYYYYY gfx3d_clk=0xZZZZZZZZ (If you insert the module without these parameters, the insert will fail and the module will remove itself. No changes will have been done to your kernel.) The sysfs exposeables are in /sys/kernel/kcontrol_gpu_msm/. If you plan on extending this module with any functionality beware of changing the kernel memory. As that may result in unexpected behavior, like world war III, a black hole, or some other shit. This module only reads stuff and if it should write something in the future then I am 99.99999% sure that it is safe. You should be too if your extension plans to modify a running kernel. Otherwise: Don't touch things of which you have no clue.