Hi Team, I have been using openstack apis and have following issue: - API used: /servers/{server_id}/diagnostics - API version: v2.1 Problem: Couldn't get utilization value of my server it is showing null even i have applied stress on the cpu API Result: { "state": "running", "driver": "libvirt", "hypervisor": "kvm", "hypervisor_os": "linux", "uptime": 10020419, "config_drive": false, "num_cpus": 2, "num_nics": 1, "num_disks": 2, "disk_details": [ { "read_bytes": 983884800, "read_requests": 26229, "write_bytes": 7373907456, "write_requests": 574537, "errors_count": -1 }, { "read_bytes": 3215872, "read_requests": 147, "write_bytes": 0, "write_requests": 0, "errors_count": -1 } ], "cpu_details": [ { "id": 0, "time": 12424380000000, "utilisation": null }, { "id": 1, "time": 12775460000000, "utilisation": null } ], "nic_details": [ { "mac_address": "fa:16:3e:0e:c7:f2", "rx_octets": 943004980, "rx_errors": 0, "rx_drop": 0, "rx_packets": 4464445, "rx_rate": null, "tx_octets": 785254710, "tx_errors": 0, "tx_drop": 0, "tx_packets": 4696786, "tx_rate": null } ], "memory_details": { "maximum": 2, "used": 2 } } Regards, Muhammad Ahsan