Linux 6.2's Call Depth Tracking Helps Recover Lost Performance On Intel Skylake CPUs
Written by Michael Larabel in Software on 28 December 2022 at 08:00 PM EST. Page 5 of 6. 21 Comments.
The Call Depth Tracking difference clearly slows up in the stress-ng kernel micro-benchmarks.
The context switching time is much lower with Call Depth Tracking over having IBRS for Retbleed.