Ladder governor (for periodic timer tick)

modulename: ladder.ko

configname: CONFIG_CPU_IDLE_GOV_LADDER

Linux Kernel Configuration
└─>Power management and ACPI options
└─>CPU Idle
└─>Ladder governor (for periodic timer tick)
In linux kernel since version 4.2 (release Date: 2015-08-30)  
source code:
drivers/cpuidle/governors/ladder.c
depends
CONFIG_CPU_IDLE