Page MenuHomeFreeBSD

rge: add disable_aspm tunable for PCIe power management
ClosedPublic

Authored by chris.longros_gmail.com on Thu, Mar 26, 10:12 PM.
Tags
None
Referenced Files
Unknown Object (File)
Sun, Apr 19, 12:20 AM
Unknown Object (File)
Sat, Apr 18, 9:52 PM
Unknown Object (File)
Sat, Apr 18, 9:52 PM
Unknown Object (File)
Fri, Apr 17, 11:58 AM
Unknown Object (File)
Thu, Apr 16, 7:57 PM
Unknown Object (File)
Thu, Apr 16, 3:37 PM
Unknown Object (File)
Wed, Apr 15, 12:07 AM
Unknown Object (File)
Mon, Apr 13, 3:32 PM
Subscribers

Details

Summary

Add a per-interface loader tunable dev.rge.%d.disable_aspm to
disable PCIe ASPM (L0s/L1) and ECPM on the RTL8125/8126/8127.

Disabling ASPM reduces latency at the cost of higher power
consumption. Default is off (ASPM left as configured by BIOS).

Signed-off-by: Christos Longros <chris.longros@gmail.com>

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Not Applicable
Unit
Tests Not Applicable