Update cheatsheets

linux/powerstat

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# powerstat
+
+> Measures the power consumption of a computer that has a battery power source or supports the RAPL interface.
+> More information: <https://manned.org/powerstat>.
+
+- Measure power with the default of 10 samples with an interval of 10 seconds:
+
+`powerstat`
+
+- Measure power with custom number of samples and interval duration:
+
+`powerstat {{interval}} {{number_of_samples}}`
+
+- Measure power using Intel's RAPL interface:
+
+`powerstat -R {{interval}} {{number_of_samples}}`
+
+- Show a histogram of the power measurements:
+
+`powerstat -H {{interval}} {{number_of_samples}}`
+
+- Enable all statistics gathering options:
+
+`powerstat -a {{interval}} {{number_of_samples}}`