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Use the cpu cgroup subsystem instead of memory because its non optional

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Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
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Michael Crosby 2014-02-24 11:08:20 -08:00
parent ed8466c44c
commit 757c7581c8
1 changed files with 2 additions and 3 deletions
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5
execdriver/lxc/driver.go
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@ -301,9 +301,8 @@ func (d *driver) Info(id string) execdriver.Info {
func (d *driver) GetPidsForContainer(id string) ([]int, error) {
pids := []int{}
// memory is chosen randomly, any cgroup used by docker works
subsystem := "memory"
// cpu is chosen because it is the only non optional subsystem in cgroups
subsystem := "cpu"
cgroupRoot, err := cgroups.FindCgroupMountpoint(subsystem)
if err != nil {
return pids, err