49 lines
1.2 KiB
Bash
Executable File
49 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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usage()
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{
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echo "Usage: cpu_freq_test.sh [test_second] [every_freq_stay_second]"
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echo "example: cpu_freq_test.sh 3600 30"
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echo "means cpu_freq_test.sh will run 1 hour and every cpu frequency stay 10s"
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}
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echo "test will run $1 seconds"
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echo "every cpu frqeucny will stay $2 seconds"
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#disalbe thermal
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if [ -e /sys/class/thermal/thermal_zone0 ]; then
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echo user_space >/sys/class/thermal/thermal_zone0/policy
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fi
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if [ -e /sys/class/thermal/thermal_zone1 ]; then
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echo user_space > /sys/class/thermal/thermal_zone1/policy
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fi
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#caculate how many cpu core
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cpu_cnt=`cat /proc/cpuinfo | grep processor | sort | uniq | wc -l`
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stressapptest -s $1 --pause_delay 10 --pause_duration 1 -W --stop_on_errors -M 128&
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RANDOM=$$$(date +%s)
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time_cnt=0
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while true; do
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if [ $time_cnt -ge $1 ]
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then
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echo "======TEST SUCCESSFUL, QUIT====="
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exit 0
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fi
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for d in /sys/devices/system/cpu/cpufreq/*; do
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echo userspace > $d/scaling_governor
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read -a FREQS < $d/scaling_available_frequencies
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FREQ=${FREQS[$RANDOM % ${#FREQS[@]} ]}
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echo Set $d freq to ${FREQ}
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echo ${FREQ} > $d/scaling_setspeed
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cur_freq=`cat $d/scaling_cur_freq`
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echo Get "***$d freq $cur_freq***"
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done
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sleep $2
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let "time_cnt=$time_cnt+$2"
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done
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