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diff --git a/opendc-trace/opendc-trace-api/src/main/kotlin/org/opendc/trace/ResourceStateColumns.kt b/opendc-trace/opendc-trace-api/src/main/kotlin/org/opendc/trace/ResourceStateColumns.kt
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+++ b/opendc-trace/opendc-trace-api/src/main/kotlin/org/opendc/trace/ResourceStateColumns.kt
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+@file:JvmName("ResourceStateColumns")
+package org.opendc.trace
+
+import java.time.Instant
+
+/**
+ * Identifier of the resource.
+ */
+public val RESOURCE_STATE_ID: TableColumn<String> = stringColumn("resource_state:id")
+
+/**
+ * Timestamp for the state.
+ */
+public val RESOURCE_STATE_TIMESTAMP: TableColumn<Instant> = TableColumn("resource_state:timestamp", Instant::class.java)
+
+/**
+ * Number of CPUs for the resource.
+ */
+public val RESOURCE_STATE_NCPUS: TableColumn<Int> = intColumn("resource_state:ncpus")
+
+/**
+ * Total CPU capacity of the resource in MHz.
+ */
+public val RESOURCE_STATE_CPU_CAPACITY: TableColumn<Double> = doubleColumn("resource_state:cpu_capacity")
+
+/**
+ * Total CPU usage of the resource in MHz.
+ */
+public val RESOURCE_STATE_CPU_USAGE: TableColumn<Double> = doubleColumn("resource_state:cpu_usage")
+
+/**
+ * Total CPU usage of the resource in percentage.
+ */
+public val RESOURCE_STATE_CPU_USAGE_PCT: TableColumn<Double> = doubleColumn("resource_state:cpu_usage_pct")
+
+/**
+ * Memory capacity of the resource in KB.
+ */
+public val RESOURCE_STATE_MEM_CAPACITY: TableColumn<Double> = doubleColumn("resource_state:mem_capacity")
+
+/**
+ * Memory usage of the resource in KB.
+ */
+public val RESOURCE_STATE_MEM_USAGE: TableColumn<Double> = doubleColumn("resource_state:mem_usage")
+
+/**
+ * Disk read throughput of the resource in KB/s.
+ */
+public val RESOURCE_STATE_DISK_READ: TableColumn<Double> = doubleColumn("resource_state:disk_read")
+
+/**
+ * Disk write throughput of the resource in KB/s.
+ */
+public val RESOURCE_STATE_DISK_WRITE: TableColumn<Double> = doubleColumn("resource_state:disk_write")
+
+/**
+ * Network receive throughput of the resource in KB/s.
+ */
+public val RESOURCE_STATE_NET_RX: TableColumn<Double> = doubleColumn("resource_state:net_rx")
+
+/**
+ * Network transmit throughput of the resource in KB/s.
+ */
+public val RESOURCE_STATE_NET_TX: TableColumn<Double> = doubleColumn("resource_state:net_tx")