Update systemctl.md; add page of systemd-analyze (#844)

2016-04-10 06:36:11 +08:00
parent 87a46c30e7
commit 1bafef40fa
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--- a/pages/linux/systemd-analyze.md
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+# systemd-analyze
+
+> Show timing details about the boot process of units (services, mount points, devices, sockets).
+
+- List time of each unit to start up:
+
+`systemd-analyze blame`
+
+- Print a tree of the time critical chain of units:
+
+`systemd-analyze critical-chain`