Manual:$wgEnableParserLimitReporting

Extensions: $wgEnableParserLimitReporting
Controls whether the NewPP parser report is output in a HTML comment.
Introduced in version:	1.22.0 (Gerrit change 89758; git #4c3b64e0)
Removed in version:	Still in use
Allowed values:	(boolean)
Default value:	true
Other settings: Alphabetical | By function

Details

Controls whether or not the Parser adds the NewPP parser report : an HTML comment containing possibly useful information about loops, inclusion, limits, etc. You can see an example below:

<!-- 
NewPP limit report
CPU time usage: 0.337 seconds
Real time usage: 0.352 seconds
Preprocessor visited node count: 189/1000000
Preprocessor generated node count: 871/1000000
Post‐expand include size: 40876/2097152 bytes
Template argument size: 223/2097152 bytes
Highest expansion depth: 8/40
Expensive parser function count: 0/100
ExtLoops count: 0/100
-->