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22 lines
398 B
Bash
22 lines
398 B
Bash
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#!/usr/bin/env bash
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counter=0
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until [ $counter -gt 32 ]
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do
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echo $counter > /sys/kernel/debug/pmc_core/ltr_ignore
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echo "LTR ignore for" $counter
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rtcwake -m freeze -s 10
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residency=$(cat /sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us)
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echo "residency is" $residency
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if [ $residency -gt 0 ]; then
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echo "Residency is non zero!"
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break
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fi
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((counter++))
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sleep 2
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done
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