Trace likely/unlikely instances


Linux Kernel Configuration
└─>Kernel hacking
└─>Trace likely/unlikely instances
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
This traces the events of likely and unlikely condition
calls in the kernel. The difference between this and the
"Trace likely/unlikely profiler" is that this is not a
histogram of the callers, but actually places the calling
events into a running trace buffer to see when and where the
events happened, as well as their results.

Say N if unsure.