#include "jmsg_host.h"
#include "jmsg_process.h"
#include "jxbt_utilities.h"
- #include "msg/msg.h"
+ #include "simgrid/msg.h"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(jmsg);
static jfieldID jvm_field_bind;
Java_org_simgrid_msg_VM_internalmig(JNIEnv *env, jobject jvm, jobject jhost) {
msg_vm_t vm = jvm_get_native(env,jvm);
msg_host_t host = jhost_get_native(env, jhost);
++ xbt_ex_t e;
TRY{
MSG_vm_migrate(vm,host);
-- } CATCH_ANONYMOUS{
-- XBT_INFO("CATCH EXCEPTION MIGRATION");
-- jxbt_throw_host_failure(env, (char*)"during migration");
++ } CATCH(e){
++ XBT_INFO("CATCH EXCEPTION MIGRATION %s",e.msg);
++ xbt_ex_free(e);
++ jxbt_throw_host_failure(env, (char*)"during migration");
}
}
package org.simgrid.msg;
- import org.simgrid.msg.Host;
- import org.simgrid.msg.Process;
public class VM extends Host{
// Please note that we are not declaring a new bind variable
//(the bind variable has been inherited from the super class Host)
-
+
/* Static functions */
// GetByName is inherited from the super class Host
-
- private static VM[] vms=null;
- private Host currentHost;
+
+ 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) {
private static void addVM(VM vm){
VM[] vmsN=null;
- int i=0;
+ int i=0;
if(VM.vms == null)
vmsN = new VM[1];
else
vmsN = new VM[vms.length+1];
-
+
for (i=0; i<vmsN.length-1 ; i ++){
vmsN[i]=vms[i];
}
vmsN[i]=vm;
vms=vmsN;
}
- public static VM[] all(){
+ public static VM[] all(){
return vms;
}
public static VM getVMByName(String name){
for (int i=0 ; i < vms.length ; i++){
- if (vms[i].getName().equals(name))
- return vms[i];
+ if (vms[i].getName().equals(name))
+ return vms[i];
}
return null;
}
protected void finalize() {
destroy();
}
-
+
/* JNI / Native code */
/* get/set property methods are inherited from the Host class. */
-
+
/** Returns whether the given VM is currently suspended
*/
public native int isCreated();
-
+
/** Returns whether the given VM is currently running
*/
public native int isRunning();
/** Returns whether the given VM is currently running
*/
public native int isMigrating();
-
+
/** Returns whether the given VM is currently suspended
*/
public native int isSuspended();
-
+
/** Returns whether the given VM is currently saving
*/
public native int isSaving();
-
+
/** Returns whether the given VM is currently saved
*/
public native int isSaved();
/** Returns whether the given VM is currently restoring its state
*/
public native boolean isRestoring();
-
+
/**
* Natively implemented method create the VM.
* @param nCore number of core
* @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, int ramSize,
- int netCap, String diskPath, int diskSize, int migNetSpeed, int dpIntensity);
+ int netCap, String diskPath, int diskSize, int migNetSpeed, int dpIntensity);
/**
*/
public native void start();
-
+
/**
* Immediately kills all processes within the given VM. Any memory that they allocated will be leaked.
* No extra delay occurs. If you want to simulate this too, you want to use a MSG_process_sleep() or something
*/
public native void shutdown();
-
+
/**
* Invoke native migration routine
- */
+ */
public native void internalmig(Host destination) throws Exception; // TODO add throws DoubleMigrationException (i.e. when you call migrate on a VM that is already migrating);
-
+
/** Change the host on which all processes are running
* (pre-copy is implemented)
*/
try {
this.internalmig(destination);
} catch (Exception e){
- Msg.info("an exception occurs during the migration of VM "+this.getName());
- throw new HostFailureException();
+ Msg.info("Migration of VM "+this.getName()+" to "+destination.getName()+" is impossible ("+e.getMessage()+")");
+ throw new HostFailureException();
}
// If the migration correcly returned, then we should change the currentHost value.
this.currentHost = destination;
}
-
+
/** Immediately suspend the execution of all processes within the given VM
*
* No suspension cost occurs. If you want to simulate this too, you want to
* of VM suspend to you.
*/
public native void suspend();
-
+
/** Immediately resumes the execution of all processes within the given VM
*
* No resume cost occurs. If you want to simulate this too, you want to
* of VM resume to you.
*/
public native void resume();
-
+
/** Immediately suspend the execution of all processes within the given VM
* and save its state on the persistent HDD
* Not yet implemented (for the moment it behaves like suspend)
* of VM suspend to you.
*/
public native void save();
-
+
/** Immediately resumes the execution of all processes previously saved
* within the given VM
* Not yet implemented (for the moment it behaves like resume)
* of VM resume to you.
*/
public native void restore();
-
+
/**
* Destroy the VM
*/
public native void destroy();
-
+
/**
* Class initializer, to initialize various JNI stuff
XBT_DEBUG("A new VM (%s) has been created", name);
- #ifdef HAVE_TRACING
TRACE_msg_vm_create(name, ind_pm);
- #endif
return ind_vm;
}
__MSG_host_destroy(vm);
- #ifdef HAVE_TRACING
TRACE_msg_vm_end(vm);
- #endif
}
{
simcall_vm_start(vm);
- #ifdef HAVE_TRACING
TRACE_msg_vm_start(vm);
- #endif
}
/* msg_vm_t equals to msg_host_t */
simcall_vm_shutdown(vm);
- // #ifdef HAVE_TRACING
// TRACE_msg_vm_(vm);
- // #endif
}
msg_host_priv_t priv = msg_host_resource_priv(vm);
priv->is_migrating = 0;
XBT_DEBUG("VM(%s) moved from PM(%s) to PM(%s)", ms->vm->key, ms->src_pm->key, ms->dst_pm->key);
- #ifdef HAVE_TRACING
- TRACE_msg_vm_change_host(ms->vm, ms->src_pm, ms->dst_pm);
- #endif
-
+ TRACE_msg_vm_change_host(ms->vm, ms->src_pm, ms->dst_pm);
}
// Inform the SRC that the migration has been correctly performed
{
xbt_dict_cursor_t cursor = NULL;
dirty_page_t dp = NULL;
xbt_dict_foreach(priv->dp_objs, cursor, key, dp) {
- double remaining = MSG_task_get_remaining_computation(dp->task);
+ double remaining = MSG_task_get_flops_amount(dp->task);
dp->prev_clock = MSG_get_clock();
dp->prev_remaining = remaining;
xbt_dict_cursor_t cursor = NULL;
dirty_page_t dp = NULL;
xbt_dict_foreach(priv->dp_objs, cursor, key, dp) {
- double remaining = MSG_task_get_remaining_computation(dp->task);
+ double remaining = MSG_task_get_flops_amount(dp->task);
double clock = MSG_get_clock();
void MSG_host_add_task(msg_host_t host, msg_task_t task)
{
msg_host_priv_t priv = msg_host_resource_priv(host);
- double remaining = MSG_task_get_remaining_computation(task);
+ double remaining = MSG_task_get_flops_amount(task);
char *key = bprintf("%s-%p", task->name, task);
dirty_page_t dp = xbt_new0(s_dirty_page, 1);
* computation has been done until now, and keep the information for the
* lookup_() function that will called soon. */
if (priv->dp_enabled) {
- double remaining = MSG_task_get_remaining_computation(task);
+ double remaining = MSG_task_get_flops_amount(task);
double clock = MSG_get_clock();
// double updated = calc_updated_pages(key, host, dp, remaining, clock);
double updated = get_computed(key, host, dp, remaining, clock);
sg_size_t sent = 0;
double clock_prev_send = MSG_get_clock();
TRY {
-- XBT_INFO("Stage 2, gonna send %llu", updated_size);
++ XBT_DEBUG("Stage 2, gonna send %llu", updated_size);
sent = send_migration_data(ms->vm, ms->src_pm, ms->dst_pm, updated_size, ms->mbox, 2, stage2_round, mig_speed, mig_timeout);
} CATCH_ANONYMOUS {
//hostfailure (if you want to know whether this is the SRC or the DST please check directly in send_migration_data code)
stop_dirty_page_tracking(ms->vm);
TRY {
-- XBT_INFO("Stage 3: Gonna send %f", remaining_size);
++ XBT_DEBUG("Stage 3: Gonna send %f", remaining_size);
send_migration_data(ms->vm, ms->src_pm, ms->dst_pm, remaining_size, ms->mbox, 3, 0, mig_speed, -1);
} CATCH_ANONYMOUS {
//hostfailure (if you want to know whether this is the SRC or the DST please check directly in send_migration_data code)
}
// At that point the Migration is considered valid for the SRC node but remind that the DST side should relocate effectively the VM on the DST node.
-- XBT_INFO("mig: tx_done");
++ XBT_DEBUG("mig: tx_done");
return 0;
}
msg_host_t old_pm = simcall_vm_get_pm(vm);
- if(!MSG_host_is_off(old_pm))
++ if(MSG_host_is_off(old_pm))
+ THROWF(vm_error, 0, "SRC host(%s) seems off, cannot start a migration", sg_host_name(old_pm));
+
- if(!MSG_host_is_off(new_pm))
++ if(MSG_host_is_off(new_pm))
+ THROWF(vm_error, 0, "DST host(%s) seems off, cannot start a migration", sg_host_name(new_pm));
+
if (!MSG_vm_is_running(vm))
THROWF(vm_error, 0, "VM(%s) is not running", sg_host_name(vm));
// This part is done in the RX code, to handle the corner case where SRC can crash just at the end of the migration process
// In that case, the VM has been already assigned to the DST node.
//XBT_DEBUG("VM(%s) moved from PM(%s) to PM(%s)", vm->key, old_pm->key, new_pm->key);
- //#ifdef HAVE_TRACING
//TRACE_msg_vm_change_host(vm, old_pm, new_pm);
- //#endif
}
XBT_DEBUG("vm_suspend done");
- #ifdef HAVE_TRACING
TRACE_msg_vm_suspend(vm);
- #endif
}
{
simcall_vm_resume(vm);
- #ifdef HAVE_TRACING
TRACE_msg_vm_resume(vm);
- #endif
}
THROWF(vm_error, 0, "VM(%s) is migrating", sg_host_name(vm));
simcall_vm_save(vm);
- #ifdef HAVE_TRACING
TRACE_msg_vm_save(vm);
- #endif
}
/** @brief Restore the execution of the VM. All processes on the VM run again.
{
simcall_vm_restore(vm);
- #ifdef HAVE_TRACING
TRACE_msg_vm_restore(vm);
- #endif
}
ActionPtr WorkstationVMHL13Model::executeParallelTask(int workstation_nb,
void **workstation_list,
- double *computation_amount,
- double *communication_amount,
+ double *flops_amount,
+ double *bytes_amount,
double rate){
#define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
if ((workstation_nb == 1)
- && (cost_or_zero(communication_amount, 0) == 0.0))
- return ((WorkstationCLM03Ptr)workstation_list[0])->execute(computation_amount[0]);
+ && (cost_or_zero(bytes_amount, 0) == 0.0))
+ return ((WorkstationCLM03Ptr)workstation_list[0])->execute(flops_amount[0]);
else if ((workstation_nb == 1)
- && (cost_or_zero(computation_amount, 0) == 0.0))
- return communicate((WorkstationCLM03Ptr)workstation_list[0], (WorkstationCLM03Ptr)workstation_list[0],communication_amount[0], rate);
+ && (cost_or_zero(flops_amount, 0) == 0.0))
+ return communicate((WorkstationCLM03Ptr)workstation_list[0], (WorkstationCLM03Ptr)workstation_list[0],bytes_amount[0], rate);
else if ((workstation_nb == 2)
- && (cost_or_zero(computation_amount, 0) == 0.0)
- && (cost_or_zero(computation_amount, 1) == 0.0)) {
+ && (cost_or_zero(flops_amount, 0) == 0.0)
+ && (cost_or_zero(flops_amount, 1) == 0.0)) {
int i,nb = 0;
double value = 0.0;
for (i = 0; i < workstation_nb * workstation_nb; i++) {
- if (cost_or_zero(communication_amount, i) > 0.0) {
+ if (cost_or_zero(bytes_amount, i) > 0.0) {
nb++;
- value = cost_or_zero(communication_amount, i);
+ value = cost_or_zero(bytes_amount, i);
}
}
if (nb == 1)
/* keep the bound value of the cpu action of the VM. */
double old_bound = p_action->getBound();
if (old_bound != 0) {
-- XBT_INFO("migrate VM(%s): set bound (%f) at %s", vm_name, old_bound, pm_name_dst);
++ XBT_DEBUG("migrate VM(%s): set bound (%f) at %s", vm_name, old_bound, pm_name_dst);
new_cpu_action->setBound(old_bound);
}
