Correction to RAPL information

this is happening because the energy status MSR registers for Package: "MSR_PKG_ENERGY_STATUS" and DRAM: "MSR_DRAM_ENERGY_STATUS"
are counted on 32 bit ( the MSRs are 64bit wide) and they wrap around every few minutes.

for info check out the attached screenshot of the Intel's doc
or here for Intel's complete doc: http://download.intel.com/products/processor/manual/325384.pdf