[Bug 234733] Setting CPU frequency with sysctl dev.cpu.0.fr slows a Ryzen 2700X down

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Mon Jan 27 06:05:14 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234733

--- Comment #17 from commit-hook at freebsd.org ---
A commit references this bug:

Author: cem
Date: Mon Jan 27 06:04:33 UTC 2020
New revision: 357165
URL: https://svnweb.freebsd.org/changeset/base/357165

Log:
  hwpstate(4): Log a debug line when throttled

  If we're going to throttle user requested P-states, we should at least
produce
  a debug log line indicating the surprising behavior.

  PR:           inspired by 234733

Changes:
  head/sys/x86/cpufreq/hwpstate_amd.c

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