Join cpuacct, freezer, perf_event, and blkio groups

Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
This commit is contained in:
Michael Crosby 2014-04-11 17:27:19 +00:00
parent 031fcb31d3
commit 505184d2dc

View file

@ -39,19 +39,21 @@ func rawApply(c *Cgroup, pid int) (ActiveCgroup, error) {
root: cgroupRoot,
cgroup: cgroup,
}
for _, g := range []func(*Cgroup, int) error{
raw.setupDevices,
raw.setupMemory,
raw.setupCpu,
raw.setupCpuset,
raw.setupCpuacct,
raw.setupBlkio,
raw.setupPerfevent,
raw.setupFreezer,
} {
if err := g(c, pid); err != nil {
return nil, err
}
}
if err := raw.setupDevices(c, pid); err != nil {
return nil, err
}
if err := raw.setupMemory(c, pid); err != nil {
return nil, err
}
if err := raw.setupCpu(c, pid); err != nil {
return nil, err
}
if err := raw.setupCpuset(c, pid); err != nil {
return nil, err
}
return raw, nil
}
@ -198,6 +200,30 @@ func (raw *rawCgroup) setupCpuset(c *Cgroup, pid int) (err error) {
return nil
}
func (raw *rawCgroup) setupCpuacct(c *Cgroup, pid int) error {
// we just want to join this group even though we don't set anything
_, err := raw.join("cpuacct", pid)
return err
}
func (raw *rawCgroup) setupBlkio(c *Cgroup, pid int) error {
// we just want to join this group even though we don't set anything
_, err := raw.join("blkio", pid)
return err
}
func (raw *rawCgroup) setupPerfevent(c *Cgroup, pid int) error {
// we just want to join this group even though we don't set anything
_, err := raw.join("perf_event", pid)
return err
}
func (raw *rawCgroup) setupFreezer(c *Cgroup, pid int) error {
// we just want to join this group even though we don't set anything
_, err := raw.join("freezer", pid)
return err
}
func (raw *rawCgroup) Cleanup() error {
get := func(subsystem string) string {
path, _ := raw.path(subsystem)
@ -209,6 +235,10 @@ func (raw *rawCgroup) Cleanup() error {
get("devices"),
get("cpu"),
get("cpuset"),
get("cpuacct"),
get("blkio"),
get("perf_event"),
get("freezer"),
} {
if path != "" {
os.RemoveAll(path)