-/* Copyright (c) 2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2017-2018. 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. */
#include "simgrid/plugins/live_migration.h"
-#include "simgrid/s4u.hpp"
#include "src/plugins/vm/VirtualMachineImpl.hpp"
-#include <map>
namespace simgrid {
namespace vm {
class VmDirtyPageTrackingExt {
bool dp_tracking = false;
std::map<kernel::activity::ExecImplPtr, double> dp_objs;
- double dp_updated_by_deleted_tasks = 0;
+ double dp_updated_by_deleted_tasks = 0.0;
+ // Percentage of pages that get dirty compared to netspeed [0;1] bytes per 1 flop execution
+ double dp_intensity = 0.0;
+ sg_size_t working_set_memory = 0.0;
+ double max_downtime = 0.03;
+ double mig_speed = 0.0;
public:
- void startTracking();
- void stopTracking() { dp_tracking = false; }
- bool isTracking() { return dp_tracking; }
+ void start_tracking();
+ void stop_tracking() { dp_tracking = false; }
+ bool is_tracking() { return dp_tracking; }
void track(kernel::activity::ExecImplPtr exec, double amount) { dp_objs.insert({exec, amount}); }
void untrack(kernel::activity::ExecImplPtr exec) { dp_objs.erase(exec); }
- double getStoredRemains(kernel::activity::ExecImplPtr exec) { return dp_objs.at(exec); }
- void updateDirtyPageCount(double delta) { dp_updated_by_deleted_tasks += delta; }
- double computedFlopsLookup();
+ double get_stored_remains(kernel::activity::ExecImplPtr exec) { return dp_objs.at(exec); }
+ void update_dirty_page_count(double delta) { dp_updated_by_deleted_tasks += delta; }
+ double computed_flops_lookup();
+ double get_intensity() { return dp_intensity; }
+ void set_intensity(double intensity) { dp_intensity = intensity; }
+ double get_working_set_memory() { return working_set_memory; }
+ void set_working_set_memory(sg_size_t size) { working_set_memory = size; }
+ void set_migration_speed(double speed) { mig_speed = speed; }
+ double get_migration_speed() { return mig_speed; }
+ double get_max_downtime() { return max_downtime; }
static simgrid::xbt::Extension<VirtualMachineImpl, VmDirtyPageTrackingExt> EXTENSION_ID;
virtual ~VmDirtyPageTrackingExt() = default;
simgrid::xbt::Extension<VirtualMachineImpl, VmDirtyPageTrackingExt> VmDirtyPageTrackingExt::EXTENSION_ID;
-void VmDirtyPageTrackingExt::startTracking()
+void VmDirtyPageTrackingExt::start_tracking()
{
dp_tracking = true;
for (auto const& elm : dp_objs)
dp_objs[elm.first] = elm.first->remains();
}
-double VmDirtyPageTrackingExt::computedFlopsLookup()
+double VmDirtyPageTrackingExt::computed_flops_lookup()
{
double total = 0;
if (vm == nullptr)
return;
- if (vm->pimpl_vm_->extension<simgrid::vm::VmDirtyPageTrackingExt>()->isTracking()) {
- vm->pimpl_vm_->extension<simgrid::vm::VmDirtyPageTrackingExt>()->track(exec, exec->remains());
+ if (vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->is_tracking()) {
+ vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->track(exec, exec->remains());
} else {
- vm->pimpl_vm_->extension<simgrid::vm::VmDirtyPageTrackingExt>()->track(exec, 0.0);
+ vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->track(exec, 0.0);
}
}
/* If we are in the middle of dirty page tracking, we record how much computation has been done until now, and keep
* the information for the lookup_() function that will called soon. */
- if (vm->pimpl_vm_->extension<simgrid::vm::VmDirtyPageTrackingExt>()->isTracking()) {
+ if (vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->is_tracking()) {
double delta =
- vm->pimpl_vm_->extension<simgrid::vm::VmDirtyPageTrackingExt>()->getStoredRemains(exec) - exec->remains();
- vm->pimpl_vm_->extension<simgrid::vm::VmDirtyPageTrackingExt>()->updateDirtyPageCount(delta);
+ vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->get_stored_remains(exec) - exec->remains();
+ vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->update_dirty_page_count(delta);
}
- vm->pimpl_vm_->extension<simgrid::vm::VmDirtyPageTrackingExt>()->untrack(exec);
+ vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->untrack(exec);
}
-SG_BEGIN_DECL()
-
-void sg_vm_live_migration_plugin_init()
+void sg_vm_dirty_page_tracking_init()
{
if (not simgrid::vm::VmDirtyPageTrackingExt::EXTENSION_ID.valid()) {
simgrid::vm::VmDirtyPageTrackingExt::EXTENSION_ID =
void sg_vm_start_dirty_page_tracking(sg_vm_t vm)
{
- vm->pimpl_vm_->extension<simgrid::vm::VmDirtyPageTrackingExt>()->startTracking();
+ vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->start_tracking();
}
void sg_vm_stop_dirty_page_tracking(sg_vm_t vm)
{
- vm->pimpl_vm_->extension<simgrid::vm::VmDirtyPageTrackingExt>()->stopTracking();
+ vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->stop_tracking();
}
double sg_vm_lookup_computed_flops(sg_vm_t vm)
{
- return vm->pimpl_vm_->extension<simgrid::vm::VmDirtyPageTrackingExt>()->computedFlopsLookup();
+ return vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->computed_flops_lookup();
+}
+
+void sg_vm_set_dirty_page_intensity(sg_vm_t vm, double intensity)
+{
+ vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->set_intensity(intensity);
+}
+
+double sg_vm_get_dirty_page_intensity(sg_vm_t vm)
+{
+ return vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->get_intensity();
+}
+
+void sg_vm_set_working_set_memory(sg_vm_t vm, sg_size_t size)
+{
+ vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->set_working_set_memory(size);
+}
+
+sg_size_t sg_vm_get_working_set_memory(sg_vm_t vm)
+{
+ return vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->get_working_set_memory();
+}
+
+void sg_vm_set_migration_speed(sg_vm_t vm, double speed)
+{
+ vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->set_migration_speed(speed);
+}
+
+double sg_vm_get_migration_speed(sg_vm_t vm)
+{
+ return vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->get_migration_speed();
+}
+
+double sg_vm_get_max_downtime(sg_vm_t vm)
+{
+ return vm->getImpl()->extension<simgrid::vm::VmDirtyPageTrackingExt>()->get_max_downtime();
}
-SG_END_DECL()