initial commit. add bin/togglecpu_pstates.sh

dot_local/bin/executable_togglecpu_pstates.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+if [[ -z $1 ]]; then
+	echo "error. no argument."
+	echo "use [performance|default|power]"
+else
+
+    if [[ $1 == "performance" ]]
+    then
+
+        for i in /sys/bus/cpu/devices/cpu*
+        do
+            CPU=`echo "${i: -1}"`
+            sudo cpufreq-set -c $CPU -g performance
+        done
+        sudo x86_energy_perf_policy --turbo-enable 1
+        sudo x86_energy_perf_policy -a performance
+        watch cat /sys/devices/system/cpu/cpu[0-9]*/cpufreq/scaling_cur_freq
+
+    elif [[ $1 == "default" ]]
+    then
+
+        for i in /sys/bus/cpu/devices/cpu*
+        do
+            CPU=`echo "${i: -1}"`
+            sudo cpufreq-set -c $CPU -g powersave
+        done
+        sudo x86_energy_perf_policy --turbo-enable 0
+        sudo x86_energy_perf_policy -a default
+        watch cat /sys/devices/system/cpu/cpu[0-9]*/cpufreq/scaling_cur_freq
+
+    elif [[ $1 == "power" ]]
+    then
+
+        for i in /sys/bus/cpu/devices/cpu*
+        do
+            CPU=`echo "${i: -1}"`
+            sudo cpufreq-set -c $CPU -g powersave
+        done
+
+        sudo x86_energy_perf_policy --turbo-enable 0
+        sudo x86_energy_perf_policy -a power
+        watch cat /sys/devices/system/cpu/cpu[0-9]*/cpufreq/scaling_cur_freq
+
+    else
+
+	    echo "error. no match."
+	    echo "use [performance|default|power]"
+
+    fi
+fi