From 1e95d668eb21eece59a402f500a9e38ec51af596 Mon Sep 17 00:00:00 2001
From: Georgios Andreadis <info@gandreadis.com>
Date: Mon, 16 Mar 2020 09:23:52 +0100
Subject: Extend performance interference model to support minimum server load

Vincent pointed out that performance interference is only triggered at a certain total server load level. This addition supports that.
---
 .../atlarge/opendc/format/trace/sc20/PerformanceInterferenceEntry.kt  | 1 +
 .../opendc/format/trace/sc20/Sc20PerformanceInterferenceReader.kt     | 4 ++--
 .../kotlin/com/atlarge/opendc/format/trace/sc20/Sc20TraceReader.kt    | 2 +-
 .../main/kotlin/com/atlarge/opendc/format/trace/vm/VmTraceReader.kt   | 2 +-
 4 files changed, 5 insertions(+), 4 deletions(-)

(limited to 'opendc/opendc-format/src')

diff --git a/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/PerformanceInterferenceEntry.kt b/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/PerformanceInterferenceEntry.kt
index 1eeecb25..ade47e1b 100644
--- a/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/PerformanceInterferenceEntry.kt
+++ b/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/PerformanceInterferenceEntry.kt
@@ -2,5 +2,6 @@ package com.atlarge.opendc.format.trace.sc20
 
 internal data class PerformanceInterferenceEntry(
     val vms: List<String>,
+    val minServerLoad: Double,
     val performanceScore: Double
 )
diff --git a/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/Sc20PerformanceInterferenceReader.kt b/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/Sc20PerformanceInterferenceReader.kt
index b2d60bb9..daa1fdf8 100644
--- a/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/Sc20PerformanceInterferenceReader.kt
+++ b/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/Sc20PerformanceInterferenceReader.kt
@@ -31,7 +31,6 @@ import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.fasterxml.jackson.module.kotlin.readValue
 import java.io.InputStream
-import java.util.UUID
 
 /**
  * A parser for the JSON performance interference setup files used for the SC20 paper.
@@ -50,7 +49,8 @@ class Sc20PerformanceInterferenceReader(input: InputStream, mapper: ObjectMapper
         return PerformanceInterferenceModel(
             performanceInterferenceModel.map { item ->
                 PerformanceInterferenceModelItem(
-                    item.vms.map { name -> UUID(0L, name.toLong()) }.toSet(),
+                    item.vms.toSet(),
+                    item.minServerLoad,
                     item.performanceScore
                 )
             }.toSet()
diff --git a/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/Sc20TraceReader.kt b/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/Sc20TraceReader.kt
index 3c974e44..78a58671 100644
--- a/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/Sc20TraceReader.kt
+++ b/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/sc20/Sc20TraceReader.kt
@@ -125,7 +125,7 @@ class Sc20TraceReader(
                 val uuid = UUID.randomUUID()
 
                 val relevantPerformanceInterferenceModelItems = PerformanceInterferenceModel(
-                    performanceInterferenceModel.items.filter { it.workloadIds.contains(uuid) }.toSet()
+                    performanceInterferenceModel.items.filter { it.workloadNames.contains(vmId) }.toSet()
                 )
 
                 val vmWorkload = VmWorkload(
diff --git a/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/vm/VmTraceReader.kt b/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/vm/VmTraceReader.kt
index d001687c..6b8843aa 100644
--- a/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/vm/VmTraceReader.kt
+++ b/opendc/opendc-format/src/main/kotlin/com/atlarge/opendc/format/trace/vm/VmTraceReader.kt
@@ -123,7 +123,7 @@ class VmTraceReader(
                 val uuid = UUID(0L, vmId)
 
                 val relevantPerformanceInterferenceModelItems = PerformanceInterferenceModel(
-                    performanceInterferenceModel.items.filter { it.workloadIds.contains(uuid) }.toSet()
+                    performanceInterferenceModel.items.filter { it.workloadNames.contains(vmId.toString()) }.toSet()
                 )
 
                 val vmWorkload = VmWorkload(
-- 
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