- 
    Type:Bug 
- 
    Resolution: Done
- 
    Priority:Major - P3 
- 
    Affects Version/s: None
- 
    Component/s: Diagnostics
- 
    None
- 
        Fully Compatible
- 
        ALL
- 
        None
- 
        None
- 
        None
- 
        None
- 
        None
- 
        None
- 
        None
Started at https://github.com/mongodb/mongo/commit/955f62adbd320f1ef725572cf7b935880facab7e
Here's a test to reproduce:
db.getSiblingDB("test").getCollection("test").insert({x:1})
before = db.adminCommand('top').totals['test.test'].writeLock
for(var i=0;i<1000;i++){
	db.getSiblingDB("test").getCollection("test").insert({x:i})
}
after = db.adminCommand('top').totals['test.test'].writeLock
assert.gt(after.count, before.count)
assert.gt(after.time, before.time)