function ov rootfs drop caches
This function uses the /proc filesystem to flush all the memory pages caches on the target. This is done to reduce the variability in tests by starting tests
without any data cached by the kernel.
Here are some sample invocations:
This requires the /proc filesystem on the target.
Aborts the job if an error is encountered performing the operation.
Located in overlays/base/base-distrib.fuegoclass