tree 4d81fbdcea0f8fe343f9b2934351027a87c4503e
parent 0a052baa566b3697419789dbf78934d43efc4ac4
author Chris Cain <cjcain@us.ibm.com> 1632153189 -0500
committer Chris Cain <cjcain@us.ibm.com> 1635859656 +0000

Systems: Add IdlePowerSave support

Idle power saver is a system wide mode that will reduce the power usage
when the system reaches an idle state.  The system will also exit idle
power save once the performance increases to a specified utilization.

The idle state is defined as when the processor utilization drops to
EnterUtilizationPercent for EnterDwellTimeSeconds.  Once the utilization
increases to ExitUtilizationPercent for ExitDwellTimeSeconds, the system
will return to normal (non-idle) state.

Ran Validator on hardware and all /redfish/v1/Systems/system tests
passed.

Tested: I manually tested retrieving and setting the PowerMode property
on a Rainier system (with good and bad values)

$ curl -s -k -X GET https://$bmc/redfish/v1/Systems/system | grep -A6 IdlePowerSaver
  "IdlePowerSaver": {
    "Enabled": false,
    "EnterDwellTimeSeconds": 240,
    "EnterUtilizationPercent": 8,
    "ExitDwellTimeSeconds": 10,
    "ExitUtilizationPercent": 12
  },

$ curl -k -X PATCH -d '{"IdlePowerSaver":{"Enabled":true}}' https://$bmc/redfish/v1/Systems/system

$ curl -k -X PATCH -d '{"IdlePowerSaver":{"Enabled":false,"EnterUtilizationPercent":8,"EnterDwellTimeSeconds":240,"ExitUtilizationPercent":12,"ExitDwellTimeSeconds":10}}' https://$bmc/redfish/v1/Systems/system

Signed-off-by: Chris Cain <cjcain@us.ibm.com>
Change-Id: Icdc948f133959dce4297ab9774c2e9c8acb620e3