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spawn_seeker.stp - List which processes spawning others
This script once a minute prints out sorted lists showing which
processes and executables are spawning the most additional tasks on
the system.
$ stap ./spawn_seeker.stp
^C
Sun Apr 19 22:57:02 2015 EDT
execname( PID) spawned (percent)
make( 18559) 576 ( 39%)
make( 21070) 325 ( 22%)
make( 18959) 176 ( 12%)
make( 16030) 166 ( 11%)
make( 20118) 119 ( 8%)
make( 20476) 59 ( 4%)
make( 20723) 16 ( 1%)
gcc( 20749) 3 ( 0%)
gcc( 20775) 3 ( 0%)
gcc( 20790) 3 ( 0%)
gcc( 20758) 2 ( 0%)
gcc( 20781) 2 ( 0%)
gcc( 20793) 2 ( 0%)
make( 12759) 1 ( 0%)
sh( 20748) 1 ( 0%)
sh( 20774) 1 ( 0%)
sh( 20789) 1 ( 0%)
sh( 20801) 1 ( 0%)
gcc( 20802) 1 ( 0%)
gcc( 20803) 1 ( 0%)
execname spawned (percent)
sh 637 ( 43%)
gcc 605 ( 41%)
make 217 ( 14%)