Properly scale governor sample rates to sched periods

Signed-off-by: tytydraco <tylernij@gmail.com>
latency
tytydraco 4 years ago
parent b474bb18ca
commit 0bf37a9dd0

@ -160,9 +160,9 @@ done
find /sys/devices/system/cpu/ -name schedutil -type d | while IFS= read -r governor
do
# Consider changing frequencies once per scheduling period
write "$governor/up_rate_limit_us" 5000
write "$governor/down_rate_limit_us" 5000
write "$governor/rate_limit_us" 5000
write "$governor/up_rate_limit_us" "$((SCHED_PERIOD / 1000))"
write "$governor/down_rate_limit_us" "$((SCHED_PERIOD / 1000))"
write "$governor/rate_limit_us" "$((SCHED_PERIOD / 1000))"
# Jump to max frequency at 90% load
write "$governor/hispeed_load" 90
@ -173,8 +173,8 @@ done
find /sys/devices/system/cpu/ -name interactive -type d | while IFS= read -r governor
do
# Consider changing frequencies once per scheduling period
write "$governor/timer_rate" 5000
write "$governor/min_sample_time" 5000
write "$governor/timer_rate" "$((SCHED_PERIOD / 1000))"
write "$governor/min_sample_time" "$((SCHED_PERIOD / 1000))"
# Jump to max frequency at 90% load
write "$governor/go_hispeed_load" 90

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