This needs documentation:

"locks" : {
"." : {
"timeLocked" :

{ "R" : NumberLong(26946), "W" : NumberLong(3110192), "r" : NumberLong(2258547), "w" : NumberLong(0) }

,
"timeAcquiring" :

{ "R" : NumberLong(2190653), "W" : NumberLong(997) }

},

As well as:

"admin" : {
"timeLocked" :

{ "r" : NumberLong(14701), "w" : NumberLong(53) }

,
"timeAcquiring" :

{ "r" : NumberLong(13940), "w" : NumberLong(14) }

},