Update cheatsheets

linux/powertop

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# powertop
+
+> Optimize battery power usage.
+> More information: <https://github.com/fenrus75/powertop>.
+
+- Calibrate power usage measurements:
+
+`sudo powertop --calibrate`
+
+- Generate HTML power usage report in the current directory:
+
+`sudo powertop --html={{power_report.html}}`
+
+- Tune to optimal settings:
+
+`sudo powertop --auto-tune`
+
+- Generate a report for a specified number of seconds (instead of 20 by default):
+
+`sudo powertop --time={{5}}`