diff --git a/substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/PosixLoadAverageSupport.java b/substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/PosixLoadAverageSupport.java
new file mode 100644
index 000000000000..8c9338fac518
--- /dev/null
+++ b/substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/PosixLoadAverageSupport.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2022, 2022, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.svm.core.posix;
+
+import org.graalvm.nativeimage.ImageSingletons;
+import org.graalvm.nativeimage.PinnedObject;
+import org.graalvm.nativeimage.hosted.Feature;
+
+import com.oracle.svm.core.annotate.AutomaticFeature;
+import com.oracle.svm.core.jdk.LoadAverageSupport;
+import com.oracle.svm.core.posix.headers.Stdlib;
+
+class PosixLoadAverageSupport implements LoadAverageSupport {
+    @Override
+    public int getLoadAverage(double[] loadavg, int nelems) {
+        /*
+         * Adapted from `os::loadavg` which is the same in both `src/hotspot/os/linux/os_linux.cpp`
+         * and `src/hotspot/os/bsd/os_bsd.cpp`.
+         */
+        try (PinnedObject pinnedLoadavg = PinnedObject.create(loadavg)) {
+            return Stdlib.getloadavg(pinnedLoadavg.addressOfArrayElement(0), nelems);
+        }
+    }
+}
+
+@AutomaticFeature
+class PosixLoadAverageSupportFeature implements Feature {
+    @Override
+    public void afterRegistration(AfterRegistrationAccess access) {
+        ImageSingletons.add(LoadAverageSupport.class, new PosixLoadAverageSupport());
+    }
+}
diff --git a/substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/headers/Stdlib.java b/substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/headers/Stdlib.java
index a45702411a3d..9f7d514dd06c 100644
--- a/substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/headers/Stdlib.java
+++ b/substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/headers/Stdlib.java
@@ -29,6 +29,7 @@
 import org.graalvm.nativeimage.c.CContext;
 import org.graalvm.nativeimage.c.function.CFunction;
 import org.graalvm.nativeimage.c.type.CCharPointer;
+import org.graalvm.nativeimage.c.type.CDoublePointer;
 
 // Checkstyle: stop
 
@@ -43,4 +44,7 @@ public class Stdlib {
 
     @CFunction
     public static native CCharPointer realpath(CCharPointer name, CCharPointer resolved);
+
+    @CFunction
+    public static native int getloadavg(CDoublePointer loadavg, int nelem);
 }
diff --git a/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/LoadAverageSupport.java b/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/LoadAverageSupport.java
new file mode 100644
index 000000000000..e48c40d16aa7
--- /dev/null
+++ b/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/LoadAverageSupport.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2022, 2022, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.svm.core.jdk;
+
+public interface LoadAverageSupport {
+    int getLoadAverage(double[] loadavg, int nelems);
+}
diff --git a/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/SunMiscSubstitutions.java b/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/SunMiscSubstitutions.java
index 16687d21aae1..b5aef82293b3 100644
--- a/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/SunMiscSubstitutions.java
+++ b/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/SunMiscSubstitutions.java
@@ -30,6 +30,7 @@
 import java.security.ProtectionDomain;
 
 import org.graalvm.compiler.nodes.extended.MembarNode;
+import org.graalvm.nativeimage.ImageSingletons;
 import org.graalvm.nativeimage.UnmanagedMemory;
 import org.graalvm.word.WordFactory;
 
@@ -144,8 +145,12 @@ private Class<?> defineAnonymousClass(Class<?> hostClass, byte[] data, Object[]
     }
 
     @Substitute
-    private int getLoadAverage(double[] loadavg, int nelems) {
-        throw VMError.unsupportedFeature("Unsupported method of Unsafe");
+    private int getLoadAverage0(double[] loadavg, int nelems) {
+        /* Adapted from `Unsafe_GetLoadAverage0` in `src/hotspot/share/prims/unsafe.cpp`. */
+        if (ImageSingletons.contains(LoadAverageSupport.class)) {
+            return ImageSingletons.lookup(LoadAverageSupport.class).getLoadAverage(loadavg, nelems);
+        }
+        return -1; /* The load average is unobtainable. */
     }
 
     /*
@@ -196,9 +201,6 @@ private Class<?> defineClass0(String name, byte[] b, int off, int len, ClassLoad
     @TargetElement(onlyWith = JDK11OrEarlier.class)
     private native Class<?> defineAnonymousClass0(Class<?> hostClass, byte[] data, Object[] cpPatches);
 
-    @Delete
-    private native int getLoadAverage0(double[] loadavg, int nelems);
-
     @Delete
     @TargetElement(onlyWith = JDK11OrEarlier.class)
     private native boolean unalignedAccess0();
diff --git a/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/management/Target_sun_management_BaseOperatingSystemImpl.java b/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/management/Target_sun_management_BaseOperatingSystemImpl.java
index 3a934b557cba..a0f86813aa3f 100644
--- a/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/management/Target_sun_management_BaseOperatingSystemImpl.java
+++ b/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/management/Target_sun_management_BaseOperatingSystemImpl.java
@@ -39,11 +39,6 @@ final class Target_sun_management_BaseOperatingSystemImpl {
     Target_sun_management_BaseOperatingSystemImpl(@SuppressWarnings("unused") VMManagement vm) {
     }
 
-    @Substitute
-    public double getSystemLoadAverage() {
-        return -1; /* Workaround until we add support for `Unsafe.getLoadAverage` (GR-37414). */
-    }
-
     /*
      * The following substitutions eliminate the use of the `BaseOperatingSystemImpl.jvm` field,
      * which we set to `null` to avoid dealing with `VMManagementImpl` that we do not support.