-/*
- * JNI interface to virtual machine in Simgrid
- *
- * Copyright 2006-2012 The SimGrid Team.
- * All right reserved.
- *
- * This program is free software; you can redistribute
- * it and/or modify it under the terms of the license
- * (GNU LGPL) which comes with this package.
- */
+/* JNI interface to virtual machine in Simgrid */
+
+/* Copyright (c) 2006-2014. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
package org.simgrid.msg;
import org.simgrid.msg.Host;
private static VM[] vms=null;
private Host currentHost;
-
+
/* Constructors / destructors */
/**
* Create a `basic' VM (i.e. 1 core, 1GB of RAM, other values are not taken into account).
*/
public VM(Host host, String name) {
- this(host,name,1,1024*1024*1024, -1, null, -1);
+ this(host,name,1,1024, -1, null, -1,0 , 0);
}
/**
- * Create a `basic' VM (i.e. 1 core, 1GB of RAM, other values are not taken into account).
+ * Create a VM
+ * @param host Host node
+ * @param name name of the machine
+ * @param nCore number of core
+ * @param ramSize size of the RAM that should be allocated (in MBytes)
+ * @param netCap (not used for the moment)
+ * @param diskPath (not used for the moment)
+ * @param diskSize (not used for the moment)
+ * @param migNetSpeed (network bandwith allocated for migrations in MB/s, if you don't know put zero ;))
+ * @param dpIntensity (dirty page percentage according to migNetSpeed, [0-100], if you don't know put zero ;))
*/
- public VM(Host host, String name, int nCore, long ramSize,
- long netCap, String diskPath, long diskSize){
+ public VM(Host host, String name, int nCore, int ramSize,
+ int netCap, String diskPath, int diskSize, int migNetSpeed, int dpIntensity){
super();
super.name = name;
this.currentHost = host;
- create(host, name, nCore, ramSize, netCap, diskPath, diskSize);
+ create(host, name, nCore, ramSize, netCap, diskPath, diskSize, migNetSpeed, dpIntensity);
VM.addVM(this);
}
/* JNI / Native code */
+
/* get/set property methods are inherited from the Host class. */
/** Returns whether the given VM is currently suspended
/**
* Natively implemented method create the VM.
- * @param nCore, number of core
- * @param ramSize, size of the RAM that should be allocated
+ * @param nCore number of core
+ * @param ramSize size of the RAM that should be allocated (in MB)
* @param netCap (not used for the moment)
* @param diskPath (not used for the moment)
* @param diskSize (not used for the moment)
+ * @param migNetSpeed (network bandwith allocated for migrations in MB/s, if you don't know put zero ;))
+ * @param dpIntensity (dirty page intensity, a percentage of migNetSpeed [0-100], if you don't know put zero ;))
*/
- private native void create(Host host, String name, int nCore, long ramSize,
- long netCap, String diskPath, long diskSize);
-
+ private native void create(Host host, String name, int nCore, int ramSize,
+ int netCap, String diskPath, int diskSize, int migNetSpeed, int dpIntensity);
+
+
+ /**
+ * Bound the VM to a certain % of its vcpu capability (e.g. 75% of vm.getSpeed())
+ * @param load percentage (between [0,100]
+ */
+ public native void setBound(int load);
+
/**
* start the VM
*/
* (pre-copy is implemented)
*/
public void migrate(Host destination){
-// String[] argsRx = new String[5];
-// argsRx[1] = this.getName();
-// argsRx[2] = this.currentHost.getName();
-// argsRx[3] = destination.getName();
-// argsRx[0] = "__pr_mig_rx:"+argsRx[1]+"("+argsRx[2]+"-"+argsRx[3]+")";
-// argsRx[4] = null; // TODO: Why ?
-//
-// //Process rx = new Process(destination, argsRx[0], argsRx );
-//
-// String[] argsTx = new String[5];
-// argsTx[1] = this.getName();
-// argsTx[2] = this.currentHost.getName();
-// argsTx[3] = destination.getName();
-// argsTx[0] = "__pr_mig_tx:"+argsTx[1]+"("+argsTx[2]+"-"+argsTx[3]+")";
-// argsTx[4] = null; // TODO: Why ?
-//
-// //Process tx = new Process(this.currentHost, argsTx[0], argsRx );
-//
this.internalmig(destination);
+ // TODO we should test whether the migration has been correctly finalized.
+ // If and only if it is ok, then we should change the currentHost value.
+ this.currentHost = destination;
}
/** Immediately suspend the execution of all processes within the given VM