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+# systemd-cgtop
+
+> Show the top control groups of the local Linux control group hierarchy, ordered by their CPU, memory, or disk I/O load.
+> See also: `top`.
+> More information: <https://www.freedesktop.org/software/systemd/man/systemd-cgtop.html>.
+
+- Start an interactive view:
+
+`systemd-cgtop`
+
+- Change the sort order:
+
+`systemd-cgtop --order={{cpu|memory|path|tasks|io}}`
+
+- Show the CPU usage by time instead of percentage:
+
+`systemd-cgtop --cpu=percentage`
+
+- Change the update interval in seconds (or one of these time units: `ms`, `us`, `min`):
+
+`systemd-cgtop --delay={{interval}}`
+
+- Only count userspace processes (without kernel threads):
+
+`systemd-cgtop -P`