[Bug 112315] 5.3.11 regression: No RC6 on Kaby Lake
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Nov 18 10:10:54 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=112315
--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
Correct; that patch disables rc6 while active to prevent catastrophe. And yes,
no rc6 is itself pretty catastrophic.
Could you please do something like:
$ perf stat -a -x, -r 1 \
-e "power/energy-pkg/" \
-e "power/energy-cores/" \
-e "power/energy-gpu/" \
-e "i915/actual-frequency/" \
-e "i915/rc6-residency/" \
-e "i915/rcs0-busy/" \
-e "i915/bcs0-busy/" \
-e "i915/vcs0-busy/" \
sleep 300
while you do your normal activities, and report before/after? (Trying to do the
same activity in each sample.)
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