Following is the known behavior of L2 Hit/Miss from HWPF metrics based on the BIOS settings:
- AMDuProfPcm L2 Hit/Miss from HWPF metric doesn't collect any data when all
following options are disabled in BIOS:
- L1 Stream HW Prefetcher
- L1 Stride Prefetcher
- L1 Region Prefetcher
- L2 Stream HW Prefetcher
- L2 up/Down Prefetcher
- AMDuProfPcm L2 Hit/Miss from HWPF metric collects very less samples with the
following BIOS settings:
- L1 Stream HW Prefetcher: Disable
- L1 Stride Prefetcher: Disable
- L1 Region Prefetcher: Enable
- L2 Stream HW Prefetcher: Disable
- L2 up/Down Prefetcher: Disable
Roofline plots generated using AMDuProfModelling.py and saved as PDF might have improperly aligned labels for the plot lines.