kernelconfig_penguin
CONFIG_ARC_HAS_RTSC is not available for the default architecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_ARC_HAS_RTSC.
Result is shown for kernelversion 4.1.9

Insn: RTSC (64-bit r/o cycle counter)

configname: CONFIG_ARC_HAS_RTSC

Linux Kernel Configuration
└─> ARC Architecture Configuration
└─> ARC CPU Configuration
└─> Enable support for Rel 4.10 features
└─> Insn: RTSC (64-bit r/o cycle counter)