CPU scheduler accounting stats (cgroup v1: cpu.stat)
Total CPU time consumed in nanoseconds (cgroup v1: cpuacct.usage)
Memory limit in bytes (cgroup v1: memory.limit_in_bytes)
Memory+swap usage in bytes (cgroup v1: memory.memsw.usage_in_bytes)
Current memory usage in bytes (cgroup v1: memory.usage_in_bytes)
Block I/O service bytes (cgroup v1: blkio.throttle.io_service_bytes)