simulator: Add energy modelling subsystem to OpenDC

This pull request adds a subsystem to OpenDC for modelling power components in datacenters, 
such as UPSes, PDUs and PSUs. 
These components also take into account electrical losses that occur in real-world scenarios.

- Add module for datacenter power components (UPS, PDU)
- Integrate power subsystem with compute subsystem (PSU)
- Model power loss in power components

**Breaking API Changes**

1. `SimBareMetalMachine.powerDraw` is replaced by `SimBareMetalMachine.psu.powerDraw`

1 files changed, 1 insertions, 1 deletions

diff --git a/opendc-compute/opendc-compute-simulator/src/main/kotlin/org/opendc/compute/simulator/SimHost.kt b/opendc-compute/opendc-compute-simulator/src/main/kotlin/org/opendc/compute/simulator/SimHost.kt
index d36717af..540e27fe 100644
--- a/opendc-compute/opendc-compute-simulator/src/main/kotlin/org/opendc/compute/simulator/SimHost.kt
+++ b/opendc-compute/opendc-compute-simulator/src/main/kotlin/org/opendc/compute/simulator/SimHost.kt
@@ -129,7 +129,7 @@ public class SimHost(
                 _batch.put(_cpuWorkInterference, interferedWork.toDouble())
                 _batch.put(_cpuUsage, cpuUsage)
                 _batch.put(_cpuDemand, cpuDemand)
-                _batch.put(_cpuPower, machine.powerDraw)
+                _batch.put(_cpuPower, machine.psu.powerDraw)
                 _batch.record()
             }
         }