CONFIG_TRACING (not configurable)

modulename: trace.ko

and/or

trace_output.ko

and/or

trace_stat.ko

and/or

trace_printk.ko

configname: CONFIG_TRACING

Linux Kernel Configuration
└─>TRACING
In linux kernel since version 2.6.27 (release Date: 2008-10-09)
source code:
kernel/trace/trace.c