CONFIG_HAVE_PERF_REGS (not configurable)

modulename: perf_regs.ko

configname: CONFIG_HAVE_PERF_REGS

Linux Kernel Configuration
└─>General architecture-dependent options
└─>HAVE_PERF_REGS
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Support selective register dumps for perf events. This includes
bit-mapping of each registers and a unique architecture id.

source code:
arch/csky/kernel/perf_regs.c