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Commit e40d2b1a authored Nov 14, 2019 by Treehugger Robot Committed by Gerrit Code Review Nov 14, 2019

Merge "Add support for freezer cgroup"

parents 8e2f75e3 726a68cb

libprocessgroup/profiles/cgroups.json

+7 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,13 @@
		"Mode": "0755",
		"UID": "system",
		"GID": "system"
		},
		{
		"Controller": "freezer",
		"Path": "/dev/freezer",
		"Mode": "0755",
		"UID": "system",
		"GID": "system"
		}
		],
		"Cgroups2": {

libprocessgroup/profiles/task_profiles.json

+26 −0

Original line number	Diff line number	Diff line
		@@ -66,6 +66,32 @@
		}
		]
		},
		{
		"Name": "Frozen",
		"Actions": [
		{
		"Name": "JoinCgroup",
		"Params":
		{
		"Controller": "freezer",
		"Path": "frozen"
		}
		}
		]
		},
		{
		"Name": "Unfrozen",
		"Actions": [
		{
		"Name": "JoinCgroup",
		"Params":
		{
		"Controller": "freezer",
		"Path": ""
		}
		}
		]
		},
		{
		"Name": "NormalPerformance",
		"Actions": [

rootdir/init.rc

+10 −0

Original line number	Diff line number	Diff line
		@@ -283,6 +283,16 @@ on init
		chmod 0664 /dev/cpuset/restricted/tasks
		chmod 0664 /dev/cpuset/tasks

		# freezer cgroup entries
		mkdir /dev/freezer/frozen
		write /dev/freezer/frozen/freezer.state FROZEN
		chown system system /dev/freezer/cgroup.procs
		chown system system /dev/freezer/frozen
		chown system system /dev/freezer/frozen/freezer.state
		chown system system /dev/freezer/frozen/cgroup.procs

		chmod 0444 /dev/freezer/frozen/freezer.state

		# make the PSI monitor accessible to others
		chown system system /proc/pressure/memory
		chmod 0664 /proc/pressure/memory