Retrieve the maximum JVM heap size
The JVM_Info class retrieves the maximum heap size of the JVM.
package test; import com.ibm.rational.test.lt.kernel.services.ITestExecutionServices; import java.net.*; /** * The JVM_Info class retrieves the maximum heap size of the JVM. * It writes a message in the test log with the hostname where the * JVM is running and the JVM's maximum heap size in megabytes. */ /** * @author IBM Custom Code Samples */ public class JVM_Info implements com.ibm.rational.test.lt.kernel.custom.ICustomCode2 { public JVM_Info() { } public String exec(ITestExecutionServices tes, String[] args) { Runtime rt = Runtime.getRuntime(); // maxMemory() size is in bytes long maxMB = rt.maxMemory()/(1024*1024); String hostName = "Unknown"; try { hostName = InetAddress.getLocalHost().getHostName(); } catch (UnknownHostException e1) { tes.getTestLogManager().reportMessage("Can't get hostname"); return null; } tes.getTestLogManager().reportMessage("JVM maximum heap size for host " + hostName + " is " + maxMB + " MB"); return null; } }