> db.system.profile.find().pretty()
{
	"op" : "query",
	"ns" : "test.system.profile",
	"query" : {

	},
	"ntoreturn" : 0,
	"ntoskip" : 0,
	"nscanned" : 0,
	"nscannedObjects" : 0,
        "keyUpdates" : 0,
        "numYield" : 0,                          <=== this no longer applies
	"lockStats" : {                            <=== this no longer applies
		"timeLockedMicros" : {

		},
		"timeAcquiringMicros" : {

		}
	},
	"nreturned" : 0,
	"responseLength" : 20,
	"millis" : 0,
	"execStats" : {
		"stage" : "COLLSCAN",
		"filter" : {
			"$and" : [ ]
		},
		"nReturned" : 0,
		"executionTimeMillisEstimate" : 0,
		"works" : 2,
		"advanced" : 0,
		"needTime" : 1,
		"saveState" : 0,
		"restoreState" : 0,
		"isEOF" : 1,
		"invalidates" : 0,
		"direction" : "forward",
		"docsExamined" : 0
	},
	"ts" : ISODate("2014-10-29T15:23:30.045Z"),
	"client" : "127.0.0.1",
	"allUsers" : [ ],
	"user" : ""
}