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Don't fail getting stats of unknown hierarchies. 

Docker-DCO-1.1-Signed-off-by: Victor Marmol <vmarmol@google.com> (github: vmarmol)
This commit is contained in:
Victor Marmol 2014-06-19 17:29:50 -07:00
parent 17ce8d8519
commit f9b158da02
1 changed files with 5 additions and 4 deletions
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9
cgroups/fs/apply_raw.go
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@ -57,12 +57,13 @@ func GetStats(c *cgroups.Cgroup) (*cgroups.Stats, error) {
d, err := getCgroupData(c, 0)
if err != nil {
return nil, err
return nil, fmt.Errorf("getting CgroupData %s", err)
}
for _, sys := range subsystems {
if err := sys.GetStats(d, stats); err != nil {
return nil, err
for sysName, sys := range subsystems {
// Don't fail if a cgroup hierarchy was not found.
if err := sys.GetStats(d, stats); err != nil && err != cgroups.ErrNotFound {
return nil, fmt.Errorf("getting stats for system %q %s", sysName, err)
}
}