#include "surf_private.h"
#include "surf/surf_resource.h"
#include "simgrid/sg_config.h"
-
-typedef struct workstation_VM2013 {
- s_surf_resource_t generic_resource; /* Must remain first to add this to a trace */
- surf_resource_t physical_workstation; // Pointer to the host OS
-} s_workstation_VM2013_t, *workstation_VM2013_t;
+#include "vm_workstation_private.h"
+#include "cpu_cas01_private.h"
+#include "maxmin_private.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_vm_workstation, surf,
"Logging specific to the SURF VM workstation module");
+
surf_model_t surf_vm_workstation_model = NULL;
-static void *vm_ws_create (const char *name, void *phys_workstation)
+/* ind means ''indirect'' that this is a reference on the whole dict_elm
+ * structure (i.e not on the surf_resource_private infos) */
+
+static void vm_ws_create(const char *name, void *ind_phys_workstation)
{
- workstation_VM2013_t workstation = xbt_new0(s_workstation_VM2013_t, 1);
-// TODO Implement the surf vm workstation model
- workstation->generic_resource.model = surf_vm_workstation_model;
- workstation->generic_resource.name = xbt_strdup(name);
- workstation->physical_workstation = phys_workstation;
- xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, workstation);
+ workstation_CLM03_t sub_ws = surf_workstation_resource_priv(ind_phys_workstation);
+ const char *sub_ws_name = sub_ws->generic_resource.name;
-}
+ /* The workstation_VM2013 struct inherits the workstation_CLM03 struct. We
+ * create a physical workstation resource, but specifying the size of
+ * s_workstation_VM2013_t and the vm workstation model object. */
+ workstation_CLM03_t ws = (workstation_CLM03_t) surf_resource_new(sizeof(s_workstation_VM2013_t),
+ surf_vm_workstation_model, name, NULL);
+
+ /* Currently, we assume a VM has no storage. */
+ ws->storage = NULL;
+
+ /* Currently, a VM uses the network resource of its physical host. In
+ * host_lib, this network resource object is refered from two different keys.
+ * When deregistering the reference that points the network resource object
+ * from the VM name, we have to make sure that the system does not call the
+ * free callback for the network resource object. The network resource object
+ * is still used by the physical machine. */
+ ws->net_elm = xbt_lib_get_or_null(host_lib, sub_ws_name, ROUTING_HOST_LEVEL);
+ xbt_lib_set(host_lib, name, ROUTING_HOST_LEVEL, ws->net_elm);
+
+ /* The SURF_WKS_LEVEL at host_lib saves workstation_CLM03 objects. Please
+ * note workstation_VM2013 objects, inheriting the workstation_CLM03
+ * structure, are also saved there.
+ *
+ * If you want to get a workstation_VM2013 object from host_lib, see
+ * ws->generic_resouce.model->type first. If it is
+ * SURF_MODEL_TYPE_VM_WORKSTATION, you can cast ws to vm_ws. */
+ XBT_INFO("Create VM(%s)@PM(%s) with %ld mounted disks", name, sub_ws_name, xbt_dynar_length(ws->storage));
+ xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, ws);
+
+
+ /* We initialize the VM-specific members. */
+ workstation_VM2013_t vm_ws = (workstation_VM2013_t) ws;
+ vm_ws->sub_ws = sub_ws;
+ vm_ws->current_state = SURF_VM_STATE_CREATED;
+
+
+
+ // //// CPU RELATED STUFF ////
+ // Roughly, create a vcpu resource by using the values of the sub_cpu one.
+ cpu_Cas01_t sub_cpu = surf_cpu_resource_priv(ind_phys_workstation);
+
+ /* We can assume one core and cas01 cpu for the first step.
+ * Do xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, cpu) if you get the resource. */
+ cpu_cas01_create_resource(name, // name
+ sub_cpu->power_peak, // host->power_peak,
+ 1, // host->power_scale,
+ NULL, // host->power_trace,
+ 1, // host->core_amount,
+ SURF_RESOURCE_ON, // host->initial_state,
+ NULL, // host->state_trace,
+ NULL, // host->properties,
+ surf_cpu_model_vm);
+
+
+
+ /* We create cpu_action corresponding to a VM process on the host operating system. */
+ /* FIXME: TODO: we have to peridocally input GUESTOS_NOISE to the system? how ? */
+ // vm_ws->cpu_action = surf_cpu_model_pm->extension.cpu.execute(ind_phys_workstation, GUESTOS_NOISE);
+ vm_ws->cpu_action = surf_cpu_model_pm->extension.cpu.execute(ind_phys_workstation, 0);
+
+
+ /* TODO:
+ * - check how network requests are scheduled between distinct processes competing for the same card.
+ */
+}
+
+/*
+ * Update the physical host of the given VM
+ */
+static void vm_ws_migrate(void *ind_vm, void *ind_dst_pm)
+{
+ /* ind_phys_workstation equals to smx_host_t */
+ workstation_VM2013_t ws_vm2013 = surf_workstation_resource_priv(ind_vm);
+ workstation_CLM03_t ws_clm03_dst = surf_workstation_resource_priv(ind_dst_pm);
+ const char *vm_name = ws_vm2013->ws.generic_resource.name;
+ const char *pm_name_src = ws_vm2013->sub_ws->generic_resource.name;
+ const char *pm_name_dst = ws_clm03_dst->generic_resource.name;
+
+ xbt_assert(ws_vm2013);
+ xbt_assert(ws_clm03_dst);
+
+ /* do something */
+
+ /* update net_elm with that of the destination physical host */
+ void *old_net_elm = ws_vm2013->ws.net_elm;
+ void *new_net_elm = xbt_lib_get_or_null(host_lib, pm_name_dst, ROUTING_HOST_LEVEL);
+ xbt_assert(new_net_elm);
+
+ /* Unregister the current net_elm from host_lib. Do not call the free callback. */
+ xbt_lib_unset(host_lib, vm_name, ROUTING_HOST_LEVEL, 0);
+
+ /* Then, resister the new one. */
+ ws_vm2013->ws.net_elm = new_net_elm;
+ xbt_lib_set(host_lib, vm_name, ROUTING_HOST_LEVEL, ws_vm2013->ws.net_elm);
+
+ ws_vm2013->sub_ws = ws_clm03_dst;
+
+ /* Update vcpu's action for the new pm */
+ {
+#if 0
+ XBT_INFO("cpu_action->remains %g", ws_vm2013->cpu_action->remains);
+ XBT_INFO("cost %f remains %f start %f finish %f", ws_vm2013->cpu_action->cost,
+ ws_vm2013->cpu_action->remains,
+ ws_vm2013->cpu_action->start,
+ ws_vm2013->cpu_action->finish
+ );
+ XBT_INFO("cpu_action state %d", surf_action_state_get(ws_vm2013->cpu_action));
+#endif
-static int ws_resource_used(void *resource_id)
-{
- THROW_IMPOSSIBLE; /* This model does not implement parallel tasks */
- return -1;
-}
+ /* create a cpu action bound to the pm model at the destination. */
+ surf_action_t new_cpu_action = surf_cpu_model_pm->extension.cpu.execute(ind_dst_pm, 0);
-static void ws_parallel_action_cancel(surf_action_t action)
-{
- THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks */
-}
+ e_surf_action_state_t state = surf_action_state_get(ws_vm2013->cpu_action);
+ if (state != SURF_ACTION_DONE)
+ XBT_CRITICAL("FIXME: may need a proper handling, %d", state);
+ if (ws_vm2013->cpu_action->remains > 0)
+ XBT_CRITICAL("FIXME: need copy the state(?), %f", ws_vm2013->cpu_action->remains);
-static int ws_parallel_action_free(surf_action_t action)
-{
- THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks */
- return -1;
-}
+ int ret = surf_cpu_model_pm->action_unref(ws_vm2013->cpu_action);
+ xbt_assert(ret == 1, "Bug: some resource still remains");
-static int ws_action_unref(surf_action_t action)
-{
- if (action->model_type == surf_network_model)
- return surf_network_model->action_unref(action);
- else if (action->model_type == surf_cpu_model)
- return surf_cpu_model->action_unref(action);
- else if (action->model_type == surf_workstation_model)
- return ws_parallel_action_free(action);
- else
- DIE_IMPOSSIBLE;
- return 0;
-}
+ ws_vm2013->cpu_action = new_cpu_action;
+ }
-static void ws_action_cancel(surf_action_t action)
-{
- if (action->model_type == surf_network_model)
- surf_network_model->action_cancel(action);
- else if (action->model_type == surf_cpu_model)
- surf_cpu_model->action_cancel(action);
- else if (action->model_type == surf_workstation_model)
- ws_parallel_action_cancel(action);
- else
- DIE_IMPOSSIBLE;
- return;
+ XBT_DEBUG("migrate VM(%s): change net_elm (%p to %p)", vm_name, old_net_elm, new_net_elm);
+ XBT_DEBUG("migrate VM(%s): change PM (%s to %s)", vm_name, pm_name_src, pm_name_dst);
}
-static void ws_action_state_set(surf_action_t action,
- e_surf_action_state_t state)
-{
- if (action->model_type == surf_network_model)
- surf_network_model->action_state_set(action, state);
- else if (action->model_type == surf_cpu_model)
- surf_cpu_model->action_state_set(action, state);
- else if (action->model_type == surf_workstation_model)
- surf_action_state_set(action, state);
- else
- DIE_IMPOSSIBLE;
- return;
-}
+/*
+ * A physical host does not disapper in the current SimGrid code, but a VM may
+ * disapper during a simulation.
+ */
+static void vm_ws_destroy(void *ind_vm_workstation)
+{
+ /* ind_phys_workstation equals to smx_host_t */
-static double ws_share_resources(double now)
-{
- return -1.0;
-}
+ /* Before clearing the entries in host_lib, we have to pick up resources. */
+ workstation_VM2013_t vm_ws = surf_workstation_resource_priv(ind_vm_workstation);
+ cpu_Cas01_t cpu = surf_cpu_resource_priv(ind_vm_workstation);
+ const char *name = vm_ws->ws.generic_resource.name;
-static void ws_update_actions_state(double now, double delta)
-{
- return;
-}
+ xbt_assert(vm_ws);
+ xbt_assert(vm_ws->ws.generic_resource.model == surf_vm_workstation_model);
-static void ws_update_resource_state(void *id,
- tmgr_trace_event_t event_type,
- double value, double date)
-{
- THROW_IMPOSSIBLE; /* This model does not implement parallel tasks */
-}
-static surf_action_t ws_execute(void *workstation, double size)
-{
- surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
- return cpu->model->extension.cpu.execute(workstation, size);
-}
+ /* We deregister objects from host_lib, without invoking the freeing callback
+ * of each level.
+ *
+ * Do not call xbt_lib_remove() here. It deletes all levels of the key,
+ * including MSG_HOST_LEVEL and others. We should unregister only what we know.
+ */
+ xbt_lib_unset(host_lib, name, SURF_CPU_LEVEL, 0);
+ xbt_lib_unset(host_lib, name, ROUTING_HOST_LEVEL, 0);
+ xbt_lib_unset(host_lib, name, SURF_WKS_LEVEL, 0);
-static surf_action_t ws_action_sleep(void *workstation, double duration)
-{
- return surf_cpu_model->extension.cpu.
- sleep(workstation, duration);
-}
+ /* TODO: comment out when VM stroage is implemented. */
+ // xbt_lib_unset(host_lib, name, SURF_STORAGE_LEVEL, 0);
-static void ws_action_suspend(surf_action_t action)
-{
- if (action->model_type == surf_network_model)
- surf_network_model->suspend(action);
- else if (action->model_type == surf_cpu_model)
- surf_cpu_model->suspend(action);
- else
- DIE_IMPOSSIBLE;
-}
-static void ws_action_resume(surf_action_t action)
-{
- if (action->model_type == surf_network_model)
- surf_network_model->resume(action);
- else if (action->model_type == surf_cpu_model)
- surf_cpu_model->resume(action);
- else
- DIE_IMPOSSIBLE;
-}
+ /* Free the cpu_action of the VM. */
+ int ret = surf_cpu_model_pm->action_unref(vm_ws->cpu_action);
+ xbt_assert(ret == 1, "Bug: some resource still remains");
-static int ws_action_is_suspended(surf_action_t action)
-{
- if (action->model_type == surf_network_model)
- return surf_network_model->is_suspended(action);
- if (action->model_type == surf_cpu_model)
- return surf_cpu_model->is_suspended(action);
- DIE_IMPOSSIBLE;
- return -1;
-}
+ /* Free the cpu resource of the VM. If using power_trace, we will have to
+ * free other objects than lmm_constraint. */
+ surf_model_t cpu_model = cpu->generic_resource.model;
+ lmm_constraint_free(cpu_model->model_private->maxmin_system, cpu->constraint);
+ surf_resource_free(cpu);
-static void ws_action_set_max_duration(surf_action_t action,
- double duration)
-{
- if (action->model_type == surf_network_model)
- surf_network_model->set_max_duration(action, duration);
- else if (action->model_type == surf_cpu_model)
- surf_cpu_model->set_max_duration(action, duration);
- else
- DIE_IMPOSSIBLE;
-}
+ /* Free the network resource of the VM. */
+ // Nothing has to be done, because net_elmts is just a pointer on the physical one
-static void ws_action_set_priority(surf_action_t action, double priority)
-{
- if (action->model_type == surf_network_model)
- surf_network_model->set_priority(action, priority);
- else if (action->model_type == surf_cpu_model)
- surf_cpu_model->set_priority(action, priority);
- else
- DIE_IMPOSSIBLE;
-}
+ /* Free the storage resource of the VM. */
+ // Not relevant yet
-#ifdef HAVE_TRACING
-static void ws_action_set_category(surf_action_t action, const char *category)
-{
- if (action->model_type == surf_network_model)
- surf_network_model->set_category(action, category);
- else if (action->model_type == surf_cpu_model)
- surf_cpu_model->set_category(action, category);
- else
- DIE_IMPOSSIBLE;
+ /* Free the workstation resource of the VM. */
+ surf_resource_free(vm_ws);
}
-#endif
-#ifdef HAVE_LATENCY_BOUND_TRACKING
-static int ws_get_latency_limited(surf_action_t action)
+static int vm_ws_get_state(void *ind_vm_ws)
{
- if (action->model_type == surf_network_model)
- return surf_network_model->get_latency_limited(action);
- else
- return 0;
+ return ((workstation_VM2013_t) surf_workstation_resource_priv(ind_vm_ws))->current_state;
}
-#endif
-static double ws_action_get_remains(surf_action_t action)
+static void vm_ws_set_state(void *ind_vm_ws, int state)
{
- if (action->model_type == surf_network_model)
- return surf_network_model->get_remains(action);
- if (action->model_type == surf_cpu_model)
- return surf_cpu_model->get_remains(action);
- DIE_IMPOSSIBLE;
- return -1.0;
+ ((workstation_VM2013_t) surf_workstation_resource_priv(ind_vm_ws))->current_state = state;
}
-static surf_action_t ws_communicate(void *workstation_src,
- void *workstation_dst, double size,
- double rate)
+static void vm_ws_suspend(void *ind_vm_ws)
{
- workstation_VM2013_t src = surf_workstation_resource_priv(workstation_src);
- workstation_VM2013_t dst = surf_workstation_resource_priv(workstation_dst);
- return surf_network_model->extension.network.
- communicate(src->net_elm,
- dst->net_elm, size, rate);
+ workstation_VM2013_t vm_ws = surf_workstation_resource_priv(ind_vm_ws);
+
+ surf_action_suspend(vm_ws->cpu_action);
+
+ vm_ws->current_state = SURF_VM_STATE_SUSPENDED;
}
-static e_surf_resource_state_t ws_get_state(void *workstation)
+static void vm_ws_resume(void *ind_vm_ws)
{
- return surf_cpu_model->extension.cpu.
- get_state(workstation);
+ workstation_VM2013_t vm_ws = surf_workstation_resource_priv(ind_vm_ws);
+
+ surf_action_resume(vm_ws->cpu_action);
+
+ vm_ws->current_state = SURF_VM_STATE_RUNNING;
}
-static double ws_get_speed(void *workstation, double load)
+static void vm_ws_save(void *ind_vm_ws)
{
- return surf_cpu_model->extension.cpu.
- get_speed(workstation, load);
+ workstation_VM2013_t vm_ws = surf_workstation_resource_priv(ind_vm_ws);
+
+ vm_ws->current_state = SURF_VM_STATE_SAVING;
+
+ /* FIXME: do something here */
+ surf_action_suspend(vm_ws->cpu_action);
+
+ vm_ws->current_state = SURF_VM_STATE_SAVED;
}
-static double ws_get_available_speed(void *workstation)
+static void vm_ws_restore(void *ind_vm_ws)
{
- return surf_cpu_model->extension.cpu.
- get_available_speed(workstation);
+ workstation_VM2013_t vm_ws = surf_workstation_resource_priv(ind_vm_ws);
+
+ vm_ws->current_state = SURF_VM_STATE_RESTORING;
+
+ /* FIXME: do something here */
+ surf_action_resume(vm_ws->cpu_action);
+
+ vm_ws->current_state = SURF_VM_STATE_RUNNING;
}
-static surf_action_t ws_execute_parallel_task(int workstation_nb,
- void **workstation_list,
- double *computation_amount,
- double *communication_amount,
- double rate)
+
+static double get_solved_value(surf_action_t cpu_action)
{
-#define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
- if ((workstation_nb == 1)
- && (cost_or_zero(communication_amount, 0) == 0.0))
- return ws_execute(workstation_list[0], computation_amount[0]);
- else if ((workstation_nb == 1)
- && (cost_or_zero(computation_amount, 0) == 0.0))
- return ws_communicate(workstation_list[0], workstation_list[0],communication_amount[0], rate);
- else if ((workstation_nb == 2)
- && (cost_or_zero(computation_amount, 0) == 0.0)
- && (cost_or_zero(computation_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) {
- nb++;
- value = cost_or_zero(communication_amount, i);
- }
+ int found = 0;
+ /* NOTE: Do not use surf_workstation_model's maxmin_system. It is not used. */
+ lmm_system_t pm_system = surf_cpu_model_pm->model_private->maxmin_system;
+ lmm_variable_t var = NULL;
+
+ xbt_swag_foreach(var, &pm_system->variable_set) {
+ XBT_DEBUG("var id %p id_int %d double %f", var->id, var->id_int, var->value);
+ if (var->id == cpu_action) {
+ found = 1;
+ break;
}
- if (nb == 1)
- return ws_communicate(workstation_list[0], workstation_list[1],value, rate);
}
-#undef cost_or_zero
-
- THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks */
- return NULL;
-}
+ if (found)
+ return var->value;
-/* returns an array of network_link_CM02_t */
-static xbt_dynar_t ws_get_route(void *workstation_src, void *workstation_dst)
-{
- XBT_DEBUG("ws_get_route");
- workstation_VM2013_t src = surf_workstation_resource_priv(workstation_src);
- workstation_VM2013_t dst = surf_workstation_resource_priv(workstation_dst);
- return surf_network_model->extension.
- network.get_route(src->net_elm,
- dst->net_elm);
+ XBT_CRITICAL("bug: cannot found the solved variable of the action %p", cpu_action);
+ DIE_IMPOSSIBLE;
+ return -1; /* NOT REACHED */
}
-static double ws_get_link_bandwidth(const void *link)
-{
- return surf_network_model->extension.network.get_link_bandwidth(link);
-}
-static double ws_get_link_latency(const void *link)
-{
- return surf_network_model->extension.network.get_link_latency(link);
-}
-static int ws_link_shared(const void *link)
-{
- return surf_network_model->extension.network.link_shared(link);
-}
+/* In the real world, processes on the guest operating system will be somewhat
+ * degraded due to virtualization overhead. The total CPU share that these
+ * processes get is smaller than that of the VM process gets on a host
+ * operating system. */
+const double virt_overhead = 0.95;
-static void ws_finalize(void)
+static double vm_ws_share_resources(surf_model_t workstation_model, double now)
{
- surf_model_exit(surf_workstation_model);
- surf_workstation_model = NULL;
-}
+ /* TODO: udpate action's cost with the total cost of processes on the VM. */
-static storage_t find_storage_on_mount_list(void *workstation,const char* storage)
-{
- storage_t st = NULL;
- s_mount_t mnt;
- unsigned int cursor;
- workstation_VM2013_t ws = (workstation_VM2013_t) surf_workstation_resource_priv(workstation);
- xbt_dynar_t storage_list = ws->storage;
-
- XBT_DEBUG("Search for storage name '%s' on '%s'",storage,ws->generic_resource.name);
- xbt_dynar_foreach(storage_list,cursor,mnt)
+ /* 0. Make sure that we already calculated the resource share at the physical
+ * machine layer. */
{
- XBT_DEBUG("See '%s'",mnt.name);
- if(!strcmp(storage,mnt.name)){
- st = mnt.id;
- break;
+ unsigned int index_of_pm_ws_model = xbt_dynar_search(model_list_invoke, &surf_workstation_model);
+ unsigned int index_of_vm_ws_model = xbt_dynar_search(model_list_invoke, &surf_vm_workstation_model);
+ xbt_assert((index_of_pm_ws_model < index_of_vm_ws_model), "Cannot assume surf_workstation_model comes before");
+
+ /* Another option is that we call sub_ws->share_resource() here. The
+ * share_resource() function has no side-effect. We can call it here to
+ * ensure that. */
+ }
+
+
+ /* 1. Now we know how many resource should be assigned to each virtual
+ * machine. We update constraints of the virtual machine layer.
+ *
+ *
+ * If we have two virtual machine (VM1 and VM2) on a physical machine (PM1).
+ * X1 + X2 = C (Equation 1)
+ * where
+ * the resource share of VM1: X1
+ * the resource share of VM2: X2
+ * the capacity of PM1: C
+ *
+ * Then, if we have two process (P1 and P2) on VM1.
+ * X1_1 + X1_2 = X1 (Equation 2)
+ * where
+ * the resource share of P1: X1_1
+ * the resource share of P2: X1_2
+ * the capacity of VM1: X1
+ *
+ * Equation 1 was solved in the physical machine layer.
+ * Equation 2 is solved in the virtual machine layer (here).
+ * X1 must be passed to the virtual machine laye as a constraint value.
+ *
+ **/
+
+ /* iterate for all hosts including virtual machines */
+ xbt_lib_cursor_t cursor;
+ char *key;
+ void **ind_host;
+ xbt_lib_foreach(host_lib, cursor, key, ind_host) {
+ workstation_CLM03_t ws_clm03 = ind_host[SURF_WKS_LEVEL];
+ cpu_Cas01_t cpu_cas01 = ind_host[SURF_CPU_LEVEL];
+
+ if (!ws_clm03)
+ continue;
+ /* skip if it is not a virtual machine */
+ if (ws_clm03->generic_resource.model != surf_vm_workstation_model)
+ continue;
+ xbt_assert(cpu_cas01, "cpu-less workstation");
+
+ /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
+ workstation_VM2013_t ws_vm2013 = (workstation_VM2013_t) ws_clm03;
+
+ double solved_value = get_solved_value(ws_vm2013->cpu_action);
+ XBT_DEBUG("assign %f to vm %s @ pm %s", solved_value,
+ ws_clm03->generic_resource.name, ws_vm2013->sub_ws->generic_resource.name);
+
+ // TODO: check lmm_update_constraint_bound() works fine instead of the below manual substitution.
+ // cpu_cas01->constraint->bound = solved_value;
+ surf_model_t cpu_model = cpu_cas01->generic_resource.model;
+ xbt_assert(cpu_model == surf_cpu_model_vm);
+ lmm_system_t vcpu_system = cpu_model->model_private->maxmin_system;
+ lmm_update_constraint_bound(vcpu_system, cpu_cas01->constraint, virt_overhead * solved_value);
+ }
+
+
+ /* 2. Calculate resource share at the virtual machine layer. */
+ double ret = ws_share_resources(workstation_model, now);
+
+
+ /* FIXME: 3. do we have to re-initialize our cpu_action object? */
+#if 1
+ /* iterate for all hosts including virtual machines */
+ xbt_lib_foreach(host_lib, cursor, key, ind_host) {
+ workstation_CLM03_t ws_clm03 = ind_host[SURF_WKS_LEVEL];
+
+ /* skip if it is not a virtual machine */
+ if (!ws_clm03)
+ continue;
+ if (ws_clm03->generic_resource.model != surf_vm_workstation_model)
+ continue;
+
+ /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
+ {
+#if 0
+ workstation_VM2013_t ws_vm2013 = (workstation_VM2013_t) ws_clm03;
+ XBT_INFO("cost %f remains %f start %f finish %f", ws_vm2013->cpu_action->cost,
+ ws_vm2013->cpu_action->remains,
+ ws_vm2013->cpu_action->start,
+ ws_vm2013->cpu_action->finish
+ );
+#endif
+#if 0
+ void *ind_sub_host = xbt_lib_get_elm_or_null(host_lib, ws_vm2013->sub_ws->generic_resource.name);
+ surf_cpu_model_pm->action_unref(ws_vm2013->cpu_action);
+ /* FIXME: this means busy loop? */
+ // ws_vm2013->cpu_action = surf_cpu_model_pm->extension.cpu.execute(ind_sub_host, GUESTOS_NOISE);
+ ws_vm2013->cpu_action = surf_cpu_model_pm->extension.cpu.execute(ind_sub_host, 0);
+#endif
+
}
}
- if(!st) xbt_die("Can't find mount '%s' for '%s'",storage,ws->generic_resource.name);
- return st;
-}
+#endif
-static surf_action_t ws_action_open(void *workstation, const char* mount, const char* path, const char* mode)
-{
- storage_t st = find_storage_on_mount_list(workstation, mount);
- XBT_DEBUG("OPEN on disk '%s'",st->generic_resource.name);
- surf_model_t model = st->generic_resource.model;
- return model->extension.storage.open(st, mount, path, mode);
-}
-static surf_action_t ws_action_close(void *workstation, surf_file_t fp)
-{
- storage_t st = find_storage_on_mount_list(workstation, fp->storage);
- XBT_DEBUG("CLOSE on disk '%s'",st->generic_resource.name);
- surf_model_t model = st->generic_resource.model;
- return model->extension.storage.close(st, fp);
+ return ret;
}
-static surf_action_t ws_action_read(void *workstation, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
-{
- storage_t st = find_storage_on_mount_list(workstation, stream->storage);
- XBT_DEBUG("READ on disk '%s'",st->generic_resource.name);
- surf_model_t model = st->generic_resource.model;
- return model->extension.storage.read(st, ptr, (double)size, nmemb, stream);
-}
-static surf_action_t ws_action_write(void *workstation, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
+/*
+ * A surf level object will be useless in the upper layer. Returing the
+ * dict_elm of the host.
+ **/
+static void *vm_ws_get_pm(void *ind_vm_ws)
{
- storage_t st = find_storage_on_mount_list(workstation, stream->storage);
- XBT_DEBUG("WRITE on disk '%s'",st->generic_resource.name);
- surf_model_t model = st->generic_resource.model;
- return model->extension.storage.write(st, ptr, size, nmemb, stream);
-}
+ workstation_VM2013_t vm_ws = surf_workstation_resource_priv(ind_vm_ws);
+ const char *sub_ws_name = vm_ws->sub_ws->generic_resource.name;
-static surf_action_t ws_action_stat(void *workstation, surf_file_t stream)
-{
- storage_t st = find_storage_on_mount_list(workstation, stream->storage);
- XBT_DEBUG("STAT on disk '%s'",st->generic_resource.name);
- surf_model_t model = st->generic_resource.model;
- return model->extension.storage.stat(st, stream);
+ return xbt_lib_get_elm_or_null(host_lib, sub_ws_name);
}
-static surf_action_t ws_action_unlink(void *workstation, surf_file_t stream)
+
+/* Adding a task to a VM updates the VCPU task on its physical machine. */
+static surf_action_t vm_ws_execute(void *workstation, double size)
{
- storage_t st = find_storage_on_mount_list(workstation, stream->storage);
- XBT_DEBUG("UNLINK on disk '%s'",st->generic_resource.name);
- surf_model_t model = st->generic_resource.model;
- return model->extension.storage.unlink(st, stream);
+ surf_resource_t ws = ((surf_resource_t) surf_workstation_resource_priv(workstation));
+
+ xbt_assert(ws->model->type == SURF_MODEL_TYPE_VM_WORKSTATION);
+ workstation_VM2013_t vm_ws = (workstation_VM2013_t) ws;
+
+ double old_cost = vm_ws->cpu_action->cost;
+ double new_cost = old_cost + size;
+
+ XBT_DEBUG("VM(%s)@PM(%s): update dummy action's cost (%f -> %f)",
+ ws->name, vm_ws->sub_ws->generic_resource.name,
+ old_cost, new_cost);
+
+ vm_ws->cpu_action->cost = new_cost;
+
+ return ws_execute(workstation, size);
}
-static surf_action_t ws_action_ls(void *workstation, const char* mount, const char *path)
+static void vm_ws_action_cancel(surf_action_t action)
{
- XBT_DEBUG("LS on mount '%s' and file '%s'",mount, path);
- storage_t st = find_storage_on_mount_list(workstation, mount);
- surf_model_t model = st->generic_resource.model;
- return model->extension.storage.ls(st, path);
+ XBT_CRITICAL("FIXME: Not yet implemented. Reduce dummy action's cost by %f", action->cost);
+
+ ws_action_cancel(action);
}
+
static void surf_vm_workstation_model_init_internal(void)
{
- // TODO Adrien, who is calling surf_model_init() and Why ?
- surf_vm_workstation_model = surf_model_init();
-
- surf_vm_workstation_model->name = "Virtual Workstation";
- surf_vm_workstation_model->action_unref = ws_action_unref;
- surf_vm_workstation_model->action_cancel = ws_action_cancel;
- surf_vm_workstation_model->action_state_set = ws_action_state_set;
-
- surf_vm_workstation_model->model_private->resource_used = ws_resource_used;
- surf_vm_workstation_model->model_private->share_resources =
- ws_share_resources;
- surf_vm_workstation_model->model_private->update_actions_state =
- ws_update_actions_state;
- surf_vm_workstation_model->model_private->update_resource_state =
- ws_update_resource_state;
- surf_vm_workstation_model->model_private->finalize = ws_finalize;
-
- surf_vm_workstation_model->suspend = ws_action_suspend;
- surf_vm_workstation_model->resume = ws_action_resume;
- surf_vm_workstation_model->is_suspended = ws_action_is_suspended;
- surf_vm_workstation_model->set_max_duration = ws_action_set_max_duration;
- surf_vm_workstation_model->set_priority = ws_action_set_priority;
-#ifdef HAVE_TRACING
- surf_vm_workstation_model->set_category = ws_action_set_category;
-#endif
- surf_vm_workstation_model->get_remains = ws_action_get_remains;
-#ifdef HAVE_LATENCY_BOUND_TRACKING
- surf_vm_workstation_model->get_latency_limited = ws_get_latency_limited;
-#endif
+ surf_model_t model = surf_model_init();
- surf_vm_workstation_model->extension.workstation.execute = ws_execute;
- surf_vm_workstation_model->extension.workstation.sleep = ws_action_sleep;
- surf_vm_workstation_model->extension.workstation.get_state = ws_get_state;
- surf_vm_workstation_model->extension.workstation.get_speed = ws_get_speed;
- surf_vm_workstation_model->extension.workstation.get_available_speed =
- ws_get_available_speed;
-
- surf_vm_workstation_model->extension.workstation.communicate =
- ws_communicate;
- surf_vm_workstation_model->extension.workstation.get_route = ws_get_route;
- surf_vm_workstation_model->extension.workstation.execute_parallel_task =
- ws_execute_parallel_task;
- surf_vm_workstation_model->extension.workstation.get_link_bandwidth =
- ws_get_link_bandwidth;
- surf_vm_workstation_model->extension.workstation.get_link_latency =
- ws_get_link_latency;
- surf_vm_workstation_model->extension.workstation.link_shared =
- ws_link_shared;
- surf_vm_workstation_model->extension.workstation.get_properties =
- surf_resource_properties; // Generic invocations
-
- surf_vm_workstation_model->extension.workstation.open = ws_action_open;
- surf_vm_workstation_model->extension.workstation.close = ws_action_close;
- surf_vm_workstation_model->extension.workstation.read = ws_action_read;
- surf_vm_workstation_model->extension.workstation.write = ws_action_write;
- surf_vm_workstation_model->extension.workstation.stat = ws_action_stat;
- surf_vm_workstation_model->extension.workstation.unlink = ws_action_unlink;
- surf_vm_workstation_model->extension.workstation.ls = ws_action_ls;
- surf_vm_workstation_model->extension.vm_workstation.create = vm_ws_create;
+ model->name = "Virtual Workstation";
+ model->type = SURF_MODEL_TYPE_VM_WORKSTATION;
-}
+ model->action_unref = ws_action_unref;
+ model->action_cancel = vm_ws_action_cancel;
+ // model->action_state_set = ws_action_state_set;
-void surf_workstation_model_init_current_default(void)
-{
- surf_workstation_model_init_internal();
- xbt_cfg_setdefault_int(_sg_cfg_set, "network/crosstraffic", 1);
- surf_cpu_model_init_Cas01();
- surf_network_model_init_LegrandVelho();
-// TODO fix me
- xbt_dynar_push(model_list, &surf_workstation_model);
- sg_platf_host_add_cb(vm_ws_create);
-// sg_platf_postparse_add_cb(create_workstations);
+
+ model->model_private->share_resources = vm_ws_share_resources;
+ model->model_private->resource_used = ws_resource_used;
+ model->model_private->update_actions_state = ws_update_actions_state;
+ model->model_private->update_resource_state = ws_update_resource_state;
+ model->model_private->finalize = ws_finalize;
+
+
+ /* operation for an action, not for VM it self */
+ model->suspend = ws_action_suspend;
+ model->resume = ws_action_resume;
+// model->is_suspended = ws_action_is_suspended;
+// model->set_max_duration = ws_action_set_max_duration;
+ model->set_priority = ws_action_set_priority;
+ model->set_bound = ws_action_set_bound;
+// #ifdef HAVE_TRACING
+// model->set_category = ws_action_set_category;
+// #endif
+ model->get_remains = ws_action_get_remains;
+// #ifdef HAVE_LATENCY_BOUND_TRACKING
+// model->get_latency_limited = ws_get_latency_limited;
+// #endif
+
+
+
+
+
+
+
+ xbt_assert(surf_cpu_model_vm);
+ model->extension.workstation.cpu_model = surf_cpu_model_vm;
+
+ model->extension.workstation.execute = vm_ws_execute;
+ model->extension.workstation.sleep = ws_action_sleep;
+ model->extension.workstation.get_state = ws_get_state;
+ model->extension.workstation.get_speed = ws_get_speed;
+ // model->extension.workstation.get_available_speed = ws_get_available_speed;
+
+ // model->extension.workstation.communicate = ws_communicate;
+ // model->extension.workstation.get_route = ws_get_route;
+ // model->extension.workstation.execute_parallel_task = ws_execute_parallel_task;
+ // model->extension.workstation.get_link_bandwidth = ws_get_link_bandwidth;
+ // model->extension.workstation.get_link_latency = ws_get_link_latency;
+ // model->extension.workstation.link_shared = ws_link_shared;
+ // model->extension.workstation.get_properties = ws_get_properties;
+
+ // model->extension.workstation.open = ws_action_open;
+ // model->extension.workstation.close = ws_action_close;
+ // model->extension.workstation.read = ws_action_read;
+ // model->extension.workstation.write = ws_action_write;
+ // model->extension.workstation.stat = ws_action_stat;
+ // model->extension.workstation.unlink = ws_action_unlink;
+ // model->extension.workstation.ls = ws_action_ls;
+
+
+ model->extension.vm_workstation.create = vm_ws_create;
+ model->extension.vm_workstation.set_state = vm_ws_set_state;
+ model->extension.vm_workstation.get_state = vm_ws_get_state;
+ model->extension.vm_workstation.migrate = vm_ws_migrate;
+ model->extension.vm_workstation.destroy = vm_ws_destroy;
+ model->extension.vm_workstation.suspend = vm_ws_suspend;
+ model->extension.vm_workstation.resume = vm_ws_resume;
+ model->extension.vm_workstation.save = vm_ws_save;
+ model->extension.vm_workstation.restore = vm_ws_restore;
+ model->extension.vm_workstation.get_pm = vm_ws_get_pm;
+
+ model->extension.workstation.set_params = ws_set_params;
+ model->extension.workstation.get_params = ws_get_params;
+
+ surf_vm_workstation_model = model;
}
-void surf_vm_workstation_model_init()
+void surf_vm_workstation_model_init(void)
{
surf_vm_workstation_model_init_internal();
xbt_dynar_push(model_list, &surf_vm_workstation_model);
+ xbt_dynar_push(model_list_invoke, &surf_vm_workstation_model);
}
