probe::vm.write_shared_copy
名称
probe::vm.write_shared_copy — Page copy for shared page write
Synopsis
vm.write_shared_copy
vm.write_shared_copy 
Values
zero- boolean indicating whether it is a zero page (can do a clear instead of a copy)
 name- Name of the probe point
 address- The address of the shared write
 
Context
					The process attempting the write.
				
Description
					Fires when a write to a shared page requires a page copy. This is always preceded by a vm.write_shared.