There's no need to encode and decode the hash key as a single string,
a tuple works just fine. Iterating over entries can be written more
concisely.
Entries in the stat results are integers, not floating point values.
(Bitbake rev: 3c943e989964382c0b819d92de26a0c914ebed33)
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>