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 4 of 6. 21 Comments.
For various Linux server workloads on this Intel Xeon E3-1280 v5 system, running with Call Depth Tracking provided a performance boost (retbleed=stuff) over the stock mitigations but still there is heavy cost with the other CPU security mitigations involved.