From f4ce6098213b305e38c52d4944a01bcca1ae0f92 Mon Sep 17 00:00:00 2001
From: xdavidwu <xdavidwuph@gmail.com>
Date: Tue, 20 Oct 2020 10:51:20 +0800
Subject: [PATCH] bash: add psave

---
 .bashrc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/.bashrc b/.bashrc
index 81bede9..f1a89c3 100644
--- a/.bashrc
+++ b/.bashrc
@@ -92,6 +92,19 @@ play-playlist() {
 	mpv --ytdl-raw-options=audio-format=best --no-video $ARGS
 }
 
+psave() {
+	if [ "$1" = "perf" ];then
+		echo powersave perfomance
+		echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/energy_performance_preference >/dev/null
+	elif [ "$1" = "off" ];then
+		echo powersave off
+		echo balance_performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/energy_performance_preference >/dev/null
+	else
+		echo powersave on
+		echo power | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/energy_performance_preference >/dev/null
+	fi
+}
+
 # application envs
 # policy: should here even if global like /etc/environments
 export GPG_TTY=$(tty)
-- 
2.45.2