#include "surf_private.h"
#include "surf/surf_resource.h"
+#include "maxmin_private.h"
+#include "simgrid/sg_config.h"
-surf_model_t surf_cpu_model = NULL;
-lmm_system_t cpu_maxmin_system = NULL;
-e_UM_t cpu_update_mechanism = UM_UNDEFINED;
-static int cpu_selective_update = 0;
-
-static xbt_swag_t cpu_modified_set = NULL;
-static xbt_heap_t cpu_action_heap = NULL;
+/* the model objects for physical machines and virtual machines */
+surf_model_t surf_cpu_model_pm = NULL;
+surf_model_t surf_cpu_model_vm = NULL;
#undef GENERIC_LMM_ACTION
#undef GENERIC_ACTION
typedef struct surf_action_cpu_cas01 {
s_surf_action_lmm_t generic_lmm_action;
- s_xbt_swag_hookup_t cpu_list_hookup;
- int index_heap;
- void *cpu;
} s_surf_action_cpu_Cas01_t, *surf_action_cpu_Cas01_t;
typedef struct cpu_Cas01 {
e_surf_resource_state_t state_current;
tmgr_trace_event_t state_event;
lmm_constraint_t constraint;
- xbt_swag_t action_set;
- double last_update;
} s_cpu_Cas01_t, *cpu_Cas01_t;
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu, surf,
- "Logging specific to the SURF CPU IMPROVED module");
-
-
+ "Logging specific to the SURF CPU IMPROVED module");
static xbt_swag_t
cpu_running_action_set_that_does_not_need_being_checked = NULL;
+
+/* This function is registered as a callback to sg_platf_new_host() and never called directly */
static void *cpu_create_resource(const char *name, double power_peak,
- double power_scale,
- tmgr_trace_t power_trace,
- int core,
- e_surf_resource_state_t state_initial,
- tmgr_trace_t state_trace,
- xbt_dict_t cpu_properties)
+ double power_scale,
+ tmgr_trace_t power_trace,
+ int core,
+ e_surf_resource_state_t state_initial,
+ tmgr_trace_t state_trace,
+ xbt_dict_t cpu_properties,
+ surf_model_t cpu_model)
{
cpu_Cas01_t cpu = NULL;
- s_surf_action_cpu_Cas01_t action;
- xbt_assert(!surf_cpu_resource_by_name(name),
- "Host '%s' declared several times in the platform file",
- name);
+ xbt_assert(!surf_cpu_resource_priv(surf_cpu_resource_by_name(name)),
+ "Host '%s' declared several times in the platform file",
+ name);
cpu = (cpu_Cas01_t) surf_resource_new(sizeof(s_cpu_Cas01_t),
- surf_cpu_model, name,
- cpu_properties);
+ cpu_model, name,
+ cpu_properties);
cpu->power_peak = power_peak;
xbt_assert(cpu->power_peak > 0, "Power has to be >0");
cpu->power_scale = power_scale;
if (power_trace)
cpu->power_event =
- tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
+ tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
cpu->state_current = state_initial;
if (state_trace)
cpu->state_event =
- tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
+ tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
cpu->constraint =
- lmm_constraint_new(cpu_maxmin_system, cpu,
- cpu->core * cpu->power_scale * cpu->power_peak);
+ lmm_constraint_new(cpu_model->model_private->maxmin_system, cpu,
+ cpu->core * cpu->power_scale * cpu->power_peak);
xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, cpu);
- if (cpu_update_mechanism == UM_LAZY)
- cpu->action_set =
- xbt_swag_new(xbt_swag_offset(action, cpu_list_hookup));
- return cpu;
+ return xbt_lib_get_elm_or_null(host_lib, name);;
}
static void parse_cpu_init(sg_platf_host_cbarg_t host)
{
+ /* This function is called when a platform file is parsed. Physical machines
+ * are defined there. Thus, we use the cpu model object for the physical
+ * machine layer. */
cpu_create_resource(host->id,
- host->power_peak,
- host->power_scale,
- host->power_trace,
- host->core_amount,
- host->initial_state,
- host->state_trace, host->properties);
+ host->power_peak,
+ host->power_scale,
+ host->power_trace,
+ host->core_amount,
+ host->initial_state,
+ host->state_trace, host->properties,
+ surf_cpu_model_pm);
}
static void cpu_add_traces_cpu(void)
xbt_assert(trace, "Trace %s undefined", trace_name);
host->state_event =
- tmgr_history_add_trace(history, trace, 0.0, 0, host);
+ tmgr_history_add_trace(history, trace, 0.0, 0, host);
}
xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
xbt_assert(trace, "Trace %s undefined", trace_name);
host->power_event =
- tmgr_history_add_trace(history, trace, 0.0, 0, host);
+ tmgr_history_add_trace(history, trace, 0.0, 0, host);
}
}
static int cpu_resource_used(void *resource)
{
- return lmm_constraint_used(cpu_maxmin_system,
- ((cpu_Cas01_t) resource)->constraint);
-}
-
-static int cpu_action_unref(surf_action_t action)
-{
- action->refcount--;
- if (!action->refcount) {
- xbt_swag_remove(action, action->state_set);
- if (((surf_action_lmm_t) action)->variable)
- lmm_variable_free(cpu_maxmin_system,
- ((surf_action_lmm_t) action)->variable);
- if (cpu_update_mechanism == UM_LAZY) {
- /* remove from heap */
- xbt_heap_remove(cpu_action_heap,
- ((surf_action_cpu_Cas01_t) action)->index_heap);
- xbt_swag_remove(action, cpu_modified_set);
- }
-#ifdef HAVE_TRACING
- xbt_free(action->category);
-#endif
- surf_action_free(&action);
- return 1;
- }
- return 0;
-}
+ surf_model_t cpu_model = ((surf_resource_t) resource)->model;
-static void cpu_action_cancel(surf_action_t action)
-{
- surf_action_state_set(action, SURF_ACTION_FAILED);
- if (cpu_update_mechanism == UM_LAZY) {
- xbt_heap_remove(cpu_action_heap,
- ((surf_action_cpu_Cas01_t) action)->index_heap);
- xbt_swag_remove(action,
- ((cpu_Cas01_t) ACTION_GET_CPU(action))->action_set);
- }
- return;
-}
-
-static void cpu_cpu_action_state_set(surf_action_t action,
- e_surf_action_state_t state)
-{
-/* if((state==SURF_ACTION_DONE) || (state==SURF_ACTION_FAILED)) */
-/* if(((surf_action_lmm_t)action)->variable) { */
-/* lmm_variable_disable(cpu_maxmin_system, ((surf_action_lmm_t)action)->variable); */
-/* ((surf_action_lmm_t)action)->variable = NULL; */
-/* } */
-
- surf_action_state_set(action, state);
- return;
-}
-
-static void cpu_update_remains(cpu_Cas01_t cpu, double now)
-{
- surf_action_cpu_Cas01_t action;
-
- if (cpu->last_update >= now)
- return;
- xbt_swag_foreach(action, cpu->action_set) {
- if (GENERIC_ACTION(action).state_set !=
- surf_cpu_model->states.running_action_set)
- continue;
-
- /* bogus priority, skip it */
- if (GENERIC_ACTION(action).priority <= 0)
- continue;
-
- if (GENERIC_ACTION(action).remains > 0) {
- double_update(&(GENERIC_ACTION(action).remains),
- lmm_variable_getvalue(GENERIC_LMM_ACTION
- (action).variable) * (now -
- cpu->
- last_update));
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- TRACE_surf_host_set_utilization(cpu->generic_resource.name,
- action->generic_lmm_action.
- generic_action.data,
- (surf_action_t) action,
- lmm_variable_getvalue
- (GENERIC_LMM_ACTION(action).
- variable), cpu->last_update,
- now - cpu->last_update);
- }
-#endif
- XBT_DEBUG("Update action(%p) remains %lf", action,
- GENERIC_ACTION(action).remains);
- }
- }
- cpu->last_update = now;
+ return lmm_constraint_used(cpu_model->model_private->maxmin_system,
+ ((cpu_Cas01_t) resource)->constraint);
}
-static double cpu_share_resources_lazy(double now)
+static double cpu_share_resources_lazy(surf_model_t cpu_model, double now)
{
- surf_action_cpu_Cas01_t action;
- double min = -1.0;
- double value;
-
- XBT_DEBUG
- ("Before share resources, the size of modified actions set is %d",
- xbt_swag_size(cpu_modified_set));
- update_action_remaining_lazy(now);
-
- lmm_solve(cpu_maxmin_system);
-
- XBT_DEBUG
- ("After share resources, The size of modified actions set is %d",
- xbt_swag_size(cpu_modified_set));
-
- xbt_swag_foreach(action, cpu_modified_set) {
- int max_dur_flag = 0;
-
- if (GENERIC_ACTION(action).state_set !=
- surf_cpu_model->states.running_action_set)
- continue;
-
- /* bogus priority, skip it */
- if (GENERIC_ACTION(action).priority <= 0)
- continue;
-
- min = -1;
- value = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
- if (value > 0) {
- if (GENERIC_ACTION(action).remains > 0) {
- value = GENERIC_ACTION(action).remains / value;
- min = now + value;
- } else {
- value = 0.0;
- min = now;
- }
- }
-
- if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION)
- && (min == -1
- || GENERIC_ACTION(action).start +
- GENERIC_ACTION(action).max_duration < min))
- min =
- GENERIC_ACTION(action).start +
- GENERIC_ACTION(action).max_duration;
-
- XBT_DEBUG("Action(%p) Start %lf Finish %lf Max_duration %lf", action,
- GENERIC_ACTION(action).start, now + value,
- GENERIC_ACTION(action).max_duration);
-
- if (action->index_heap >= 0) {
- surf_action_cpu_Cas01_t heap_act =
- xbt_heap_remove(cpu_action_heap, action->index_heap);
- if (heap_act != action)
- DIE_IMPOSSIBLE;
- }
- if (min != -1) {
- xbt_heap_push(cpu_action_heap, action, min);
- XBT_DEBUG("Insert at heap action(%p) min %lf", action, min);
- }
- }
- xbt_swag_remove(cpu, cpu_modified_cpu);
- }
- return xbt_heap_size(cpu_action_heap) >
- 0 ? xbt_heap_maxkey(cpu_action_heap) - now : -1;
+ return generic_share_resources_lazy(now, cpu_model);
}
-static double cpu_share_resources_full(double now)
+static double cpu_share_resources_full(surf_model_t cpu_model, double now)
{
s_surf_action_cpu_Cas01_t action;
- return generic_maxmin_share_resources(surf_cpu_model->states.
- running_action_set,
- xbt_swag_offset(action,
- generic_lmm_action.
- variable),
- cpu_maxmin_system, lmm_solve);
+ return generic_maxmin_share_resources(cpu_model->states.
+ running_action_set,
+ xbt_swag_offset(action,
+ generic_lmm_action.
+ variable),
+ cpu_model->model_private->maxmin_system, lmm_solve);
}
-static void cpu_update_actions_state_lazy(double now, double delta)
+static void cpu_update_actions_state_lazy(surf_model_t cpu_model, double now, double delta)
{
- surf_action_cpu_Cas01_t action;
- while ((xbt_heap_size(cpu_action_heap) > 0)
- && (double_equals(xbt_heap_maxkey(cpu_action_heap), now))) {
- action = xbt_heap_pop(cpu_action_heap);
- XBT_DEBUG("Action %p: finish", action);
- GENERIC_ACTION(action).finish = surf_get_clock();
- /* set the remains to 0 due to precision problems when updating the remaining amount */
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- cpu_Cas01_t cpu = ((cpu_Cas01_t) (action->cpu));
- TRACE_surf_host_set_utilization(cpu->generic_resource.name,
- GENERIC_LMM_ACTION(action).
- generic_action.data,
- (surf_action_t) action,
- lmm_variable_getvalue
- (GENERIC_LMM_ACTION(action).
- variable), cpu->last_update,
- now - cpu->last_update);
- }
-#endif
- GENERIC_ACTION(action).remains = 0;
- cpu_cpu_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
- cpu_update_remains(action->cpu, surf_get_clock());
- }
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- //defining the last timestamp that we can safely dump to trace file
- //without losing the event ascending order (considering all CPU's)
- void **data;
- cpu_Cas01_t cpu;
- xbt_lib_cursor_t cursor;
- char *key;
- double smaller = -1;
- xbt_lib_foreach(host_lib, cursor, key, data) {
- if (data[SURF_CPU_LEVEL]) {
- cpu = data[SURF_CPU_LEVEL];
- if (smaller < 0) {
- smaller = cpu->last_update;
- continue;
- }
- if (cpu->last_update < smaller) {
- smaller = cpu->last_update;
- }
- }
- }
- if (smaller > 0) {
- TRACE_last_timestamp_to_dump = smaller;
- }
- }
-#endif
- return;
+ generic_update_actions_state_lazy(now, delta, cpu_model);
}
-static void cpu_update_actions_state_full(double now, double delta)
+static void cpu_update_actions_state_full(surf_model_t cpu_model, double now, double delta)
{
- surf_action_cpu_Cas01_t action = NULL;
- surf_action_cpu_Cas01_t next_action = NULL;
- xbt_swag_t running_actions = surf_cpu_model->states.running_action_set;
- xbt_swag_foreach_safe(action, next_action, running_actions) {
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- cpu_Cas01_t x =
- lmm_constraint_id(lmm_get_cnst_from_var
- (cpu_maxmin_system,
- GENERIC_LMM_ACTION(action).variable, 0));
-
- TRACE_surf_host_set_utilization(x->generic_resource.name,
- GENERIC_ACTION(action).data,
- (surf_action_t) action,
- lmm_variable_getvalue
- (GENERIC_LMM_ACTION(action).
- variable), now - delta, delta);
- TRACE_last_timestamp_to_dump = now - delta;
- }
-#endif
- double_update(&(GENERIC_ACTION(action).remains),
- lmm_variable_getvalue(GENERIC_LMM_ACTION(action).
- variable) * delta);
- if (GENERIC_LMM_ACTION(action).generic_action.max_duration !=
- NO_MAX_DURATION)
- double_update(&(GENERIC_ACTION(action).max_duration), delta);
- if ((GENERIC_ACTION(action).remains <= 0) &&
- (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) >
- 0)) {
- GENERIC_ACTION(action).finish = surf_get_clock();
- cpu_cpu_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
- } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
- (GENERIC_ACTION(action).max_duration <= 0)) {
- GENERIC_ACTION(action).finish = surf_get_clock();
- cpu_cpu_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
- }
- }
-
- return;
+ generic_update_actions_state_full(now, delta, cpu_model);
}
static void cpu_update_resource_state(void *id,
- tmgr_trace_event_t event_type,
- double value, double date)
+ tmgr_trace_event_t event_type,
+ double value, double date)
{
cpu_Cas01_t cpu = id;
lmm_variable_t var = NULL;
lmm_element_t elem = NULL;
+ surf_model_t cpu_model = ((surf_resource_t) cpu)->model;
+
+ surf_watched_hosts();
if (event_type == cpu->power_event) {
cpu->power_scale = value;
- lmm_update_constraint_bound(cpu_maxmin_system, cpu->constraint,
- cpu->core * cpu->power_scale *
- cpu->power_peak);
+ lmm_update_constraint_bound(cpu_model->model_private->maxmin_system, cpu->constraint,
+ cpu->core * cpu->power_scale *
+ cpu->power_peak);
#ifdef HAVE_TRACING
TRACE_surf_host_set_power(date, cpu->generic_resource.name,
- cpu->core * cpu->power_scale *
- cpu->power_peak);
+ cpu->core * cpu->power_scale *
+ cpu->power_peak);
#endif
while ((var = lmm_get_var_from_cnst
- (cpu_maxmin_system, cpu->constraint, &elem))) {
+ (cpu_model->model_private->maxmin_system, cpu->constraint, &elem))) {
surf_action_cpu_Cas01_t action = lmm_variable_id(var);
- lmm_update_variable_bound(cpu_maxmin_system,
- GENERIC_LMM_ACTION(action).variable,
- cpu->power_scale * cpu->power_peak);
+ lmm_update_variable_bound(cpu_model->model_private->maxmin_system,
+ GENERIC_LMM_ACTION(action).variable,
+ cpu->power_scale * cpu->power_peak);
}
- if (cpu_update_mechanism == UM_LAZY)
- xbt_swag_insert(cpu, cpu_modified_cpu);
if (tmgr_trace_event_free(event_type))
cpu->power_event = NULL;
} else if (event_type == cpu->state_event) {
cpu->state_current = SURF_RESOURCE_OFF;
- while ((var = lmm_get_var_from_cnst(cpu_maxmin_system, cnst, &elem))) {
- surf_action_t action = lmm_variable_id(var);
+ while ((var = lmm_get_var_from_cnst(cpu_model->model_private->maxmin_system, cnst, &elem))) {
+ surf_action_t action = lmm_variable_id(var);
- if (surf_action_state_get(action) == SURF_ACTION_RUNNING ||
- surf_action_state_get(action) == SURF_ACTION_READY ||
- surf_action_state_get(action) ==
- SURF_ACTION_NOT_IN_THE_SYSTEM) {
- action->finish = date;
- cpu_cpu_action_state_set(action, SURF_ACTION_FAILED);
- }
+ if (surf_action_state_get(action) == SURF_ACTION_RUNNING ||
+ surf_action_state_get(action) == SURF_ACTION_READY ||
+ surf_action_state_get(action) ==
+ SURF_ACTION_NOT_IN_THE_SYSTEM) {
+ action->finish = date;
+ surf_action_state_set(action, SURF_ACTION_FAILED);
+ }
}
}
if (tmgr_trace_event_free(event_type))
static surf_action_t cpu_execute(void *cpu, double size)
{
surf_action_cpu_Cas01_t action = NULL;
- cpu_Cas01_t CPU = cpu;
+ cpu_Cas01_t CPU = surf_cpu_resource_priv(cpu);
+ surf_model_t cpu_model = ((surf_resource_t) CPU)->model;
XBT_IN("(%s,%g)", surf_resource_name(CPU), size);
action =
surf_action_new(sizeof(s_surf_action_cpu_Cas01_t), size,
- surf_cpu_model,
- CPU->state_current != SURF_RESOURCE_ON);
+ cpu_model,
+ CPU->state_current != SURF_RESOURCE_ON);
- GENERIC_LMM_ACTION(action).suspended = 0; /* Should be useless because of the
- calloc but it seems to help valgrind... */
+ GENERIC_LMM_ACTION(action).suspended = 0; /* Should be useless because of the
+ calloc but it seems to help valgrind... */
GENERIC_LMM_ACTION(action).variable =
- lmm_variable_new(cpu_maxmin_system, action,
- GENERIC_ACTION(action).priority,
- CPU->power_scale * CPU->power_peak, 1);
- if (cpu_update_mechanism == UM_LAZY) {
- action->index_heap = -1;
- action->cpu = CPU;
- xbt_swag_insert(CPU, cpu_modified_cpu);
- xbt_swag_insert(action, CPU->action_set);
+ lmm_variable_new(cpu_model->model_private->maxmin_system, action,
+ GENERIC_ACTION(action).priority,
+ CPU->power_scale * CPU->power_peak, 1);
+ if (cpu_model->model_private->update_mechanism == UM_LAZY) {
+ GENERIC_LMM_ACTION(action).index_heap = -1;
+ GENERIC_LMM_ACTION(action).last_update = surf_get_clock();
+ GENERIC_LMM_ACTION(action).last_value = 0.0;
}
- lmm_expand(cpu_maxmin_system, CPU->constraint,
- GENERIC_LMM_ACTION(action).variable, 1.0);
+ lmm_expand(cpu_model->model_private->maxmin_system, CPU->constraint,
+ GENERIC_LMM_ACTION(action).variable, 1.0);
XBT_OUT();
return (surf_action_t) action;
}
static surf_action_t cpu_action_sleep(void *cpu, double duration)
{
surf_action_cpu_Cas01_t action = NULL;
+ cpu_Cas01_t CPU = surf_cpu_resource_priv(cpu);
+ surf_model_t cpu_model = ((surf_resource_t) CPU)->model;
if (duration > 0)
duration = MAX(duration, MAXMIN_PRECISION);
- XBT_IN("(%s,%g)", surf_resource_name(cpu), duration);
+ XBT_IN("(%s,%g)", surf_resource_name(surf_cpu_resource_priv(cpu)), duration);
action = (surf_action_cpu_Cas01_t) cpu_execute(cpu, 1.0);
+ // FIXME: sleep variables should not consume 1.0 in lmm_expand
GENERIC_ACTION(action).max_duration = duration;
GENERIC_LMM_ACTION(action).suspended = 2;
if (duration == NO_MAX_DURATION) {
is used to speed up update_resource_state */
xbt_swag_remove(action, ((surf_action_t) action)->state_set);
((surf_action_t) action)->state_set =
- cpu_running_action_set_that_does_not_need_being_checked;
+ cpu_running_action_set_that_does_not_need_being_checked;
xbt_swag_insert(action, ((surf_action_t) action)->state_set);
}
- lmm_update_variable_weight(cpu_maxmin_system,
- GENERIC_LMM_ACTION(action).variable, 0.0);
- if (cpu_update_mechanism == UM_LAZY)
- xbt_swag_insert(cpu, cpu_modified_cpu);
- XBT_OUT();
- return (surf_action_t) action;
-}
-
-static void cpu_action_suspend(surf_action_t action)
-{
- XBT_IN("(%p)", action);
- if (((surf_action_lmm_t) action)->suspended != 2) {
- lmm_update_variable_weight(cpu_maxmin_system,
- ((surf_action_lmm_t) action)->variable,
- 0.0);
- ((surf_action_lmm_t) action)->suspended = 1;
- if (cpu_update_mechanism == UM_LAZY) {
- xbt_heap_remove(cpu_action_heap,
- ((surf_action_cpu_Cas01_t) action)->index_heap);
- xbt_swag_insert(ACTION_GET_CPU(action), cpu_modified_cpu);
- }
- }
- XBT_OUT();
-}
-
-static void cpu_action_resume(surf_action_t action)
-{
-
- XBT_IN("(%p)", action);
- if (((surf_action_lmm_t) action)->suspended != 2) {
- lmm_update_variable_weight(cpu_maxmin_system,
- ((surf_action_lmm_t) action)->variable,
- action->priority);
- ((surf_action_lmm_t) action)->suspended = 0;
- if (cpu_update_mechanism == UM_LAZY)
- xbt_swag_insert(ACTION_GET_CPU(action), cpu_modified_cpu);
+ lmm_update_variable_weight(cpu_model->model_private->maxmin_system,
+ GENERIC_LMM_ACTION(action).variable, 0.0);
+ if (cpu_model->model_private->update_mechanism == UM_LAZY) { // remove action from the heap
+ surf_action_lmm_heap_remove(cpu_model->model_private->action_heap,(surf_action_lmm_t)action);
+ // this is necessary for a variable with weight 0 since such
+ // variables are ignored in lmm and we need to set its max_duration
+ // correctly at the next call to share_resources
+ xbt_swag_insert_at_head(action, cpu_model->model_private->modified_set);
}
- XBT_OUT();
-}
-
-static int cpu_action_is_suspended(surf_action_t action)
-{
- return (((surf_action_lmm_t) action)->suspended == 1);
-}
-static void cpu_action_set_max_duration(surf_action_t action,
- double duration)
-{
- XBT_IN("(%p,%g)", action, duration);
-
- action->max_duration = duration;
- /* insert cpu in modified_cpu set to notice the max duration change */
- if (cpu_update_mechanism == UM_LAZY)
- xbt_swag_insert(ACTION_GET_CPU(action), cpu_modified_cpu);
XBT_OUT();
-}
-
-static void cpu_action_set_priority(surf_action_t action, double priority)
-{
- XBT_IN("(%p,%g)", action, priority);
- action->priority = priority;
- lmm_update_variable_weight(cpu_maxmin_system,
- ((surf_action_lmm_t) action)->variable,
- priority);
-
- if (cpu_update_mechanism == UM_LAZY)
- xbt_swag_insert(ACTION_GET_CPU(action), cpu_modified_cpu);
- XBT_OUT();
-}
-
-#ifdef HAVE_TRACING
-static void cpu_action_set_category(surf_action_t action,
- const char *category)
-{
- XBT_IN("(%p,%s)", action, category);
- action->category = xbt_strdup(category);
- XBT_OUT();
-}
-#endif
-
-static double cpu_action_get_remains(surf_action_t action)
-{
- XBT_IN("(%p)", action);
- /* update remains before return it */
- if (cpu_update_mechanism == UM_LAZY)
- cpu_update_remains(ACTION_GET_CPU(action), surf_get_clock());
- XBT_OUT();
- return action->remains;
+ return (surf_action_t) action;
}
static e_surf_resource_state_t cpu_get_state(void *cpu)
{
- return ((cpu_Cas01_t) cpu)->state_current;
+ return ((cpu_Cas01_t)surf_cpu_resource_priv(cpu))->state_current;
}
static double cpu_get_speed(void *cpu, double load)
{
- return load * (((cpu_Cas01_t) cpu)->power_peak);
+ return load * ((cpu_Cas01_t)surf_cpu_resource_priv(cpu))->power_peak;
}
static double cpu_get_available_speed(void *cpu)
{
/* number between 0 and 1 */
- return ((cpu_Cas01_t) cpu)->power_scale;
-}
-
-static void cpu_action_update_index_heap(void *action, int i)
-{
- ((surf_action_cpu_Cas01_t) action)->index_heap = i;
+ return ((cpu_Cas01_t)surf_cpu_resource_priv(cpu))->power_scale;
}
-static void cpu_finalize(void)
+static void cpu_finalize(surf_model_t cpu_model)
{
- void **cpu;
- xbt_lib_cursor_t cursor;
- char *key;
-
- xbt_lib_foreach(host_lib, cursor, key, cpu) {
- if (cpu[SURF_CPU_LEVEL]) {
- cpu_Cas01_t CPU = cpu[SURF_CPU_LEVEL];
- xbt_swag_free(CPU->action_set);
- }
- }
+ lmm_system_free(cpu_model->model_private->maxmin_system);
+ cpu_model->model_private->maxmin_system = NULL;
- lmm_system_free(cpu_maxmin_system);
- cpu_maxmin_system = NULL;
+ if (cpu_model->model_private->action_heap)
+ xbt_heap_free(cpu_model->model_private->action_heap);
+ xbt_swag_free(cpu_model->model_private->modified_set);
- surf_model_exit(surf_cpu_model);
- surf_cpu_model = NULL;
+ surf_model_exit(cpu_model);
+ cpu_model = NULL;
xbt_swag_free(cpu_running_action_set_that_does_not_need_being_checked);
cpu_running_action_set_that_does_not_need_being_checked = NULL;
- if (cpu_action_heap)
- xbt_heap_free(cpu_action_heap);
- if (cpu_modified_cpu)
- xbt_swag_free(cpu_modified_cpu);
}
-static void surf_cpu_model_init_internal()
+static void surf_cpu_model_init_internal(surf_model_t cpu_model)
{
s_surf_action_t action;
- s_cpu_Cas01_t cpu;
-
- surf_cpu_model = surf_model_init();
+ s_surf_action_cpu_Cas01_t comp;
- cpu_running_action_set_that_does_not_need_being_checked =
- xbt_swag_new(xbt_swag_offset(action, state_hookup));
+ char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
+ int select =
+ xbt_cfg_get_int(_sg_cfg_set, "cpu/maxmin_selective_update");
- surf_cpu_model->name = "cpu";
+ cpu_model = surf_model_init();
- surf_cpu_model->action_unref = cpu_action_unref;
- surf_cpu_model->action_cancel = cpu_action_cancel;
- surf_cpu_model->action_state_set = cpu_cpu_action_state_set;
+ if (!strcmp(optim, "Full")) {
+ cpu_model->model_private->update_mechanism = UM_FULL;
+ cpu_model->model_private->selective_update = select;
+ } else if (!strcmp(optim, "Lazy")) {
+ cpu_model->model_private->update_mechanism = UM_LAZY;
+ cpu_model->model_private->selective_update = 1;
+ xbt_assert((select == 1)
+ ||
+ (xbt_cfg_is_default_value
+ (_sg_cfg_set, "cpu/maxmin_selective_update")),
+ "Disabling selective update while using the lazy update mechanism is dumb!");
+ } else {
+ xbt_die("Unsupported optimization (%s) for this model", optim);
+ }
- surf_cpu_model->model_private->resource_used = cpu_resource_used;
+ cpu_running_action_set_that_does_not_need_being_checked =
+ xbt_swag_new(xbt_swag_offset(action, state_hookup));
- if (cpu_update_mechanism == UM_LAZY) {
- surf_cpu_model->model_private->share_resources =
- cpu_share_resources_lazy;
- surf_cpu_model->model_private->update_actions_state =
- cpu_update_actions_state_lazy;
- } else if (cpu_update_mechanism == UM_FULL) {
- surf_cpu_model->model_private->share_resources =
- cpu_share_resources_full;
- surf_cpu_model->model_private->update_actions_state =
- cpu_update_actions_state_full;
+ cpu_model->name = "cpu";
+ cpu_model->type = SURF_MODEL_TYPE_CPU;
+
+ cpu_model->action_unref = surf_action_unref;
+ cpu_model->action_cancel = surf_action_cancel;
+ cpu_model->action_state_set = surf_action_state_set;
+
+ cpu_model->model_private->resource_used = cpu_resource_used;
+
+ if (cpu_model->model_private->update_mechanism == UM_LAZY) {
+ cpu_model->model_private->share_resources =
+ cpu_share_resources_lazy;
+ cpu_model->model_private->update_actions_state =
+ cpu_update_actions_state_lazy;
+ } else if (cpu_model->model_private->update_mechanism == UM_FULL) {
+ cpu_model->model_private->share_resources =
+ cpu_share_resources_full;
+ cpu_model->model_private->update_actions_state =
+ cpu_update_actions_state_full;
} else
- xbt_die("Invalid update mechanism!");
+ xbt_die("Invalid cpu update mechanism!");
- surf_cpu_model->model_private->update_resource_state =
+ cpu_model->model_private->update_resource_state =
cpu_update_resource_state;
- surf_cpu_model->model_private->finalize = cpu_finalize;
+ cpu_model->model_private->finalize = cpu_finalize;
- surf_cpu_model->suspend = cpu_action_suspend;
- surf_cpu_model->resume = cpu_action_resume;
- surf_cpu_model->is_suspended = cpu_action_is_suspended;
- surf_cpu_model->set_max_duration = cpu_action_set_max_duration;
- surf_cpu_model->set_priority = cpu_action_set_priority;
+ cpu_model->suspend = surf_action_suspend;
+ cpu_model->resume = surf_action_resume;
+ cpu_model->is_suspended = surf_action_is_suspended;
+ cpu_model->set_max_duration = surf_action_set_max_duration;
+ cpu_model->set_priority = surf_action_set_priority;
#ifdef HAVE_TRACING
- surf_cpu_model->set_category = cpu_action_set_category;
+ cpu_model->set_category = surf_action_set_category;
#endif
- surf_cpu_model->get_remains = cpu_action_get_remains;
+ cpu_model->get_remains = surf_action_get_remains;
- surf_cpu_model->extension.cpu.execute = cpu_execute;
- surf_cpu_model->extension.cpu.sleep = cpu_action_sleep;
+ cpu_model->extension.cpu.execute = cpu_execute;
+ cpu_model->extension.cpu.sleep = cpu_action_sleep;
- surf_cpu_model->extension.cpu.get_state = cpu_get_state;
- surf_cpu_model->extension.cpu.get_speed = cpu_get_speed;
- surf_cpu_model->extension.cpu.get_available_speed =
+ cpu_model->extension.cpu.get_state = cpu_get_state;
+ cpu_model->extension.cpu.get_speed = cpu_get_speed;
+ cpu_model->extension.cpu.get_available_speed =
cpu_get_available_speed;
- surf_cpu_model->extension.cpu.create_resource = cpu_create_resource;
- surf_cpu_model->extension.cpu.add_traces = cpu_add_traces_cpu;
+ cpu_model->extension.cpu.add_traces = cpu_add_traces_cpu;
- if (!cpu_maxmin_system) {
- cpu_maxmin_system = lmm_system_new(cpu_selective_update);
+ if (!cpu_model->model_private->maxmin_system) {
+ cpu_model->model_private->maxmin_system = lmm_system_new(cpu_model->model_private->selective_update);
}
- if (cpu_update_mechanism == UM_LAZY) {
- cpu_action_heap = xbt_heap_new(8, NULL);
- xbt_heap_set_update_callback(cpu_action_heap,
- cpu_action_update_index_heap);
- cpu_modified_set = xbt_swag_new(xbt_swag_offset(action, action_list_hookup));
- cpu_maxmin_system->keep_track = cpu_modified_set;
+ if (cpu_model->model_private->update_mechanism == UM_LAZY) {
+ cpu_model->model_private->action_heap = xbt_heap_new(8, NULL);
+ xbt_heap_set_update_callback(cpu_model->model_private->action_heap,
+ surf_action_lmm_update_index_heap);
+ cpu_model->model_private->modified_set =
+ xbt_swag_new(xbt_swag_offset(comp, generic_lmm_action.action_list_hookup));
+ cpu_model->model_private->maxmin_system->keep_track = cpu_model->model_private->modified_set;
}
}
/* \url{http://grail.sdsc.edu/papers/simgrid_ccgrid01.ps.gz}." */
/* } */
-void surf_cpu_model_init_Cas01()
+
+static void create_cpu_model_object(surf_model_t cpu_model)
{
- char *optim = xbt_cfg_get_string(_surf_cfg_set, "cpu/optim");
- int select =
- xbt_cfg_get_int(_surf_cfg_set, "cpu/maxmin_selective_update");
+ char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
- if (!strcmp(optim, "Full")) {
- cpu_update_mechanism = UM_FULL;
- cpu_selective_update = select;
- } else if (!strcmp(optim, "Lazy")) {
- cpu_update_mechanism = UM_LAZY;
- cpu_selective_update = 1;
- xbt_assert((select == 1)
- ||
- (xbt_cfg_is_default_value
- (_surf_cfg_set, "cpu/maxmin_selective_update")),
- "Disabling selective update while using the lazy update mechanism is dumb!");
- } else if (!strcmp(optim, "TI")) {
- surf_cpu_model_init_ti();
+ xbt_assert(cpu_model == NULL, "wrong intialization");
+
+ if (!strcmp(optim, "TI")) {
+ surf_cpu_model_init_ti(cpu_model);
return;
- } else {
- xbt_die("Unsupported optimization (%s) for this model", optim);
}
- if (surf_cpu_model)
- return;
- surf_cpu_model_init_internal();
+ surf_cpu_model_init_internal(cpu_model);
cpu_define_callbacks();
- xbt_dynar_push(model_list, &surf_cpu_model);
+
+ /* cpu_model is registered only to model_list, and not to
+ * model_list_invoke. The shared_resource callback function will be called
+ * from that of the workstation model. */
+ xbt_dynar_push(model_list, &cpu_model);
+}
+
+void surf_cpu_model_init_Cas01(void)
+{
+ create_cpu_model_object(surf_cpu_model_pm);
+ create_cpu_model_object(surf_cpu_model_vm);
}
+
+/* TODO: do we address nested virtualization later? */
+#if 0
+surf_model_t cpu_model_cas01(int level){
+ // TODO this table should be allocated
+ if(!surf_cpu_model[level])
+ // allocate it
+ return surf_cpu_model[level];
+}
+#endif