function::pstrace
名称
function::pstrace — Chain of processes and pids back to init(1)
Synopsis
pstrace:string(task:long)
pstrace:string(task:long)
Arguments
task- Pointer to task struct of process
 
Description
					This function returns a string listing execname and pid for each process starting from 
task back to the process ancestor that init(1) spawned.