simulator: Add CPUFreq subsystem

This pull request adds a CPUFreq subsystem to the simulator module. This subsystem allows a simulated machine to perform frequency scaling, which in turn should reduce energy consumption.

1 files changed, 9 insertions, 0 deletions

diff --git a/simulator/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/trace/Sc20RawParquetTraceReader.kt b/simulator/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/trace/Sc20RawParquetTraceReader.kt
index 7ea5efe5..ffbf46d4 100644
--- a/simulator/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/trace/Sc20RawParquetTraceReader.kt
+++ b/simulator/opendc-experiments/opendc-experiments-capelin/src/main/kotlin/org/opendc/experiments/capelin/trace/Sc20RawParquetTraceReader.kt
@@ -145,4 +145,13 @@ public class Sc20RawParquetTraceReader(private val path: File) {
      * Read the entries in the trace.
      */
     public fun read(): List<TraceEntry<SimWorkload>> = entries
+
+    /**
+     * Create a [TraceReader] instance.
+     */
+    public fun createReader(): TraceReader<SimWorkload> {
+        return object : TraceReader<SimWorkload>, Iterator<TraceEntry<SimWorkload>> by entries.iterator() {
+            override fun close() {}
+        }
+    }
 }