Replacing PID bitmap implementation with IDR API- Final Stats

  filename text data bss dec hex
             
BEFORE kernel/pid.o 8447 3894 64 12405 3075
AFTER   3397 304 0 3701 e75
BEFORE kernel/pid_namespace.o 5692 1842 192 7726 1e2e
AFTER   2854 216 16 3086 c0e

ps

  With IDR API With bitmap
real 0m1.962s 0m2.319s
user 0m0.052s 0m0.060s
sys 0m0.392s 0m0.516s

pstree

  With IDR API With bitmap
real 0m1.062s 0m1.794s
user 0m0.536s 0m0.612s
sys 0m0.184s 0m0.264s

proc

  With IDR API With bitmap
real 0m0.073s 0m0.074s
user 0m0.004s 0m0.004s
sys 0m0.012s 0m0.016s
Written on October 3, 2017