static xbt_dict_t cpu_set = NULL;
static lmm_system_t sys = NULL;
-typedef struct cpu {
- const char *name;
- xbt_maxmin_float_t power_scale;
- xbt_maxmin_float_t current_power;
- tmgr_trace_t power_trace;
- e_surf_action_state_t current_state;
- tmgr_trace_t state_trace;
- lmm_constraint_t constraint;
-} s_cpu_t, *cpu_t;
-
/* power_scale is the basic power of the cpu when the cpu is
completely available. initial_power is therefore expected to be
comprised between 0.0 and 1.0, just as the values of power_trace.
cpu->power_trace = power_trace;
cpu->current_state = initial_state;
cpu->state_trace = state_trace;
- cpu->constraint = lmm_constraint_new(sys, cpu, cpu->current_power);
+ cpu->constraint = lmm_constraint_new(sys, cpu, cpu->current_power * cpu->power_scale);
xbt_dict_set(cpu_set, name, cpu, NULL);
static void parse_file(const char *file)
{
- new_cpu("Cpu A", 200.0, 1.0, NULL, SURF_CPU_ON, NULL);
- new_cpu("Cpu B", 100.0, 1.0, NULL, SURF_CPU_ON, NULL);
+ new_cpu("Cpu A", 20.0, 1.0, NULL, SURF_CPU_ON, NULL);
+ new_cpu("Cpu B", 120.0, 1.0, NULL, SURF_CPU_ON, NULL);
}
static void *name_service(const char *name)
return ((cpu_t) resource_id)->name;
}
+static int resource_used(void *resource_id)
+{
+ return lmm_constraint_used(sys, ((cpu_t)resource_id)->constraint);
+}
+
static surf_action_t action_new(void *callback)
{
return NULL;
return;
}
-static xbt_heap_float_t share_resources(void)
+static xbt_heap_float_t share_resources()
{
- return -1.0;
+ surf_action_cpu_t action = NULL;
+ xbt_swag_t running_actions= surf_cpu_resource->resource.states.running_action_set;
+ xbt_maxmin_float_t min = -1;
+ xbt_maxmin_float_t value = -1;
+ lmm_solve(sys);
+
+ action = xbt_swag_getFirst(running_actions);
+ if(!action) return 0.0;
+ value = lmm_variable_getvalue(action->variable);
+ min = action->generic_action.remains / value ;
+
+ xbt_swag_foreach(action,running_actions) {
+ /* If everything is stable... */
+ value = action->generic_action.remains /
+ lmm_variable_getvalue(action->variable);
+ if(value<min) min=value;
+ }
+
+ return min;
}
-static void solve(xbt_heap_float_t date)
+static void update_state(xbt_heap_float_t now,
+ xbt_heap_float_t delta)
{
+ surf_action_cpu_t action = NULL;
+ surf_action_cpu_t next_action = NULL;
+ xbt_swag_t running_actions= surf_cpu_resource->resource.states.running_action_set;
+
+ xbt_swag_foreach_safe(action, next_action, running_actions) {
+ action->generic_action.remains -=
+ lmm_variable_getvalue(action->variable)*delta;
+/* if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
+ if(action->generic_action.remains<=0) {
+ action_change_state((surf_action_t)action, SURF_ACTION_DONE);
+ } /* else if(host_failed..) */
+ }
+
return;
}
static surf_action_t execute(void *cpu, xbt_maxmin_float_t size)
{
- return NULL;
+ lmm_variable_t var;
+ surf_action_cpu_t action = NULL;
+
+ action=xbt_new0(s_surf_action_cpu_t,1);
+
+ action->generic_action.cost=size;
+ action->generic_action.remains=size;
+ action->generic_action.start=-1.0;
+ action->generic_action.finish=-1.0;
+ action->generic_action.callback=cpu;
+ action->generic_action.resource_type=(surf_resource_t)surf_cpu_resource;
+
+ action->generic_action.state_set=surf_cpu_resource->resource.states.running_action_set;
+ xbt_swag_insert(action,action->generic_action.state_set);
+
+ action->variable = lmm_variable_new(sys, action, 1.0, -1.0, 1);
+ lmm_expand(sys, ((cpu_t)cpu)->constraint, action->variable, 1.0);
+
+ return (surf_action_t) action;
}
static e_surf_cpu_state_t get_state(void *cpu)
return SURF_CPU_OFF;
}
-
-surf_cpu_resource_t surf_cpu_resource_init(void)
+static surf_cpu_resource_t surf_cpu_resource_init_internal(void)
{
+ s_surf_action_t action;
+
surf_cpu_resource = xbt_new0(s_surf_cpu_resource_t,1);
- surf_cpu_resource->resource.parse_file = parse_file;
+ surf_cpu_resource->resource.states.ready_action_set=
+ xbt_swag_new(xbt_swag_offset(action,state_hookup));
+ surf_cpu_resource->resource.states.running_action_set=
+ xbt_swag_new(xbt_swag_offset(action,state_hookup));
+ surf_cpu_resource->resource.states.failed_action_set=
+ xbt_swag_new(xbt_swag_offset(action,state_hookup));
+ surf_cpu_resource->resource.states.done_action_set=
+ xbt_swag_new(xbt_swag_offset(action,state_hookup));
+
surf_cpu_resource->resource.name_service = name_service;
surf_cpu_resource->resource.get_resource_name = get_resource_name;
+ surf_cpu_resource->resource.resource_used = resource_used;
surf_cpu_resource->resource.action_get_state=surf_action_get_state;
surf_cpu_resource->resource.action_free = action_free;
surf_cpu_resource->resource.action_cancel = action_cancel;
surf_cpu_resource->resource.action_recycle = action_recycle;
surf_cpu_resource->resource.action_change_state = action_change_state;
surf_cpu_resource->resource.share_resources = share_resources;
- surf_cpu_resource->resource.solve = solve;
+ surf_cpu_resource->resource.update_state = update_state;
surf_cpu_resource->execute = execute;
surf_cpu_resource->get_state = get_state;
return surf_cpu_resource;
}
+
+void surf_cpu_resource_init(const char* filename)
+{
+ surf_resource_t CPU = NULL;
+
+ surf_cpu_resource=surf_cpu_resource_init_internal();
+ parse_file(filename);
+ CPU = &(surf_cpu_resource->resource); /* to make short */
+ xbt_dynar_push(resource_list, &CPU);
+}
