CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_ONE is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_ONE.
Result is shown for kernelversion 6.7-rc3

Compress single-level loops

configname: CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_ONE

Omit loop Tracing
└─>Compress single-level loops
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
The trace buffer does not record single loops - helpful if trace
is spinning on a while or do loop.