<function name="collectgarbage" parent="Global" type="libraryfunc"> <description>Executes the specified action on the garbage collector.</description> <realm>Shared and Menu</realm> <args> <arg name="action" type="string" default="collect">The action to run. Valid actions are `collect`, `stop`, `restart`, `count`, `step`, `setpause` and `setstepmul`.</arg>⤶ Valid actions are `collect`, `stop`, `restart`, `count`, `step`, `setpause`, `setstepmul` and `isrunning`.⤶ <note>`isrunning` is only available on the x86-64 versions, because of the difference in the LuaJIT version. [See here](jit.version)</note></arg>⤶ <arg name="arg" type="number">The argument of the specified action, only applicable for `step`, `setpause` and `setstepmul`.</arg> </args> <rets> <ret name="" type="any">If the action is count this is the number of kilobytes of memory used by Lua. If the action is step this is true if a garbage collection cycle was finished. If the action is setpause this is the previous value for the GC's pause. If the action is setstepmul this is the previous value for the GC's step.</ret> </rets> </function> <example> <description>The current floored dynamic memory usage of Lua, in kilobytes.</description> <code>print( collectgarbage( "count" ) )</code> </example>