}
var outstat bytes.Buffer
for _, key := range wantStats {
- if val, ok := thisSample.memStat[key]; ok {
- outstat.WriteString(fmt.Sprintf(" %d %s", val, key))
+ // Use "total_X" stats (entire hierarchy) if enabled,
+ // otherwise just the single cgroup -- see
+ // https://www.kernel.org/doc/Documentation/cgroup-v1/memory.txt
+ if val, ok := thisSample.memStat["total_"+key]; ok {
+ fmt.Fprintf(&outstat, " %d %s", val, key)
+ } else if val, ok := thisSample.memStat[key]; ok {
+ fmt.Fprintf(&outstat, " %d %s", val, key)
}
}
r.Logger.Printf("mem%s\n", outstat.String())