#!/bin/bash
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RESULT_DIR=/userdata/rockchip-test/
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RESULT_LOG=${RESULT_DIR}/suspend_resume.txt
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SUSPEND_MAX=6
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SUSPEND_MIN=3
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SUSPEND_INTERVAL=$(($SUSPEND_MAX - $SUSPEND_MIN + 1 ))
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WAKE_MAX=6
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WAKE_MIN=3
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WKAE_INTERVAL=$(($WAKE_MAX - $WAKE_MIN + 1 ))
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MAX_CYCLES=10000
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if [ ! -e "/sys/class/rtc/rtc0/wakealarm" ];then
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echo "non-existent rtc, please check if rtc enabled"
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exit
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fi
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mkdir -p ${RESULT_DIR}
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random() {
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hexdump -n 2 -e '/2 "%u"' /dev/urandom
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}
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auto_suspend_resume_rtc()
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{
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cnt=0
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# set sys time same with rtc
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hwclock --systohc
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hwclock -w
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echo "$(date): auto_suspend_resume_rtc start" > ${RESULT_LOG}
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while true; do
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echo "have done $cnt suspend/resume"
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if [ $cnt -ge $MAX_CYCLES ]
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then
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echo "run $MAX_CYCLES cycles, finish test"
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exit 0
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fi
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sus_time=$(( ( $(random) % $SUSPEND_INTERVAL ) + $SUSPEND_MIN ))
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echo "sleep for $sus_time second"
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echo 0 > /sys/class/rtc/rtc0/wakealarm
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echo "+${sus_time}" > /sys/class/rtc/rtc0/wakealarm
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pm-suspend
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wake_time=$(( ( $(random) % $WKAE_INTERVAL ) + $WAKE_MIN ))
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echo "wake for $wake_time second"
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sleep $wake_time
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echo "$(date): Count: $cnt - sleep: $sus_time wake: $wake_time " >> ${RESULT_LOG}
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let "cnt=$cnt+1"
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done
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}
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auto_suspend_resume_rtc
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