-/* Copyright (c) 2004-2011. 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 "surf_private.h"
-#include "surf/surf_resource.h"
-
-
-typedef s_surf_action_lmm_t s_surf_action_cpu_Cas01_t,
- *surf_action_cpu_Cas01_t;
-
-typedef struct cpu_Cas01 {
- s_surf_resource_t generic_resource;
- double power_peak;
- double power_scale;
- tmgr_trace_event_t power_event;
- int core;
- e_surf_resource_state_t state_current;
- tmgr_trace_event_t state_event;
- lmm_constraint_t constraint;
-} s_cpu_Cas01_t, *cpu_Cas01_t;
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu, surf,
- "Logging specific to the SURF CPU module");
-
-
-
-surf_model_t surf_cpu_model = NULL;
-lmm_system_t cpu_maxmin_system = NULL;
-
-
-static xbt_swag_t cpu_running_action_set_that_does_not_need_being_checked =
- NULL;
-
-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)
-{
-
- cpu_Cas01_t cpu = NULL;
- xbt_assert(!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->power_peak = power_peak;
- xbt_assert(cpu->power_peak > 0, "Power has to be >0");
- cpu->power_scale = power_scale;
- cpu->core = core;
- xbt_assert(core>0,"Invalid number of cores %d",core);
- if (power_trace)
- cpu->power_event =
- 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);
-
- cpu->constraint =
- lmm_constraint_new(cpu_maxmin_system, cpu,
- cpu->core * cpu->power_scale * cpu->power_peak);
-
- xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, cpu);
-
- return cpu;
-}
-
-
-static void parse_cpu_init(sg_platf_host_cbarg_t host)
-{
- if(strcmp(host->coord,"")) xbt_die("Coordinates not implemented yet!");
-
- 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);
-}
-
-static void add_traces_cpu(void)
-{
- xbt_dict_cursor_t cursor = NULL;
- char *trace_name, *elm;
-
- static int called = 0;
-
- if (called)
- return;
- called = 1;
-
-
- /* connect all traces relative to hosts */
- xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
- tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
- cpu_Cas01_t host = surf_cpu_resource_by_name(elm);
-
- xbt_assert(host, "Host %s undefined", elm);
- xbt_assert(trace, "Trace %s undefined", trace_name);
-
- host->state_event =
- tmgr_history_add_trace(history, trace, 0.0, 0, host);
- }
-
- xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
- tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
- cpu_Cas01_t host = surf_cpu_resource_by_name(elm);
-
- xbt_assert(host, "Host %s undefined", elm);
- xbt_assert(trace, "Trace %s undefined", trace_name);
-
- host->power_event =
- tmgr_history_add_trace(history, trace, 0.0, 0, host);
- }
-}
-
-static void cpu_define_callbacks(void)
-{
- sg_platf_host_add_cb(parse_cpu_init);
- sg_platf_postparse_add_cb(add_traces_cpu);
-}
-
-static int cpu_resource_used(void *resource_id)
-{
- return lmm_constraint_used(cpu_maxmin_system,
- ((cpu_Cas01_t) resource_id)->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_cpu_Cas01_t) action)->variable)
- lmm_variable_free(cpu_maxmin_system,
- ((surf_action_cpu_Cas01_t) action)->variable);
-#ifdef HAVE_TRACING
- xbt_free(action->category);
-#endif
- surf_action_free(&action);
- return 1;
- }
- return 0;
-}
-
-static void cpu_action_cancel(surf_action_t action)
-{
- surf_action_state_set(action, SURF_ACTION_FAILED);
- return;
-}
-
-static void 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_cpu_Cas01_t)action)->variable) { */
-/* lmm_variable_disable(cpu_maxmin_system, ((surf_action_cpu_Cas01_t)action)->variable); */
-/* ((surf_action_cpu_Cas01_t)action)->variable = NULL; */
-/* } */
-
- surf_action_state_set(action, state);
- return;
-}
-
-static double cpu_share_resources(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, variable),
- cpu_maxmin_system, lmm_solve);
-}
-
-static void cpu_update_actions_state(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, action->variable, 0));
-
- TRACE_surf_host_set_utilization(x->generic_resource.name,
- action->generic_action.data,
- (surf_action_t) action,
- lmm_variable_getvalue
- (action->variable), now - delta,
- delta);
- TRACE_last_timestamp_to_dump = now-delta;
- }
-#endif
- double_update(&(action->generic_action.remains),
- lmm_variable_getvalue(action->variable) * delta);
- if (action->generic_action.max_duration != NO_MAX_DURATION)
- double_update(&(action->generic_action.max_duration), delta);
- if ((action->generic_action.remains <= 0) &&
- (lmm_get_variable_weight(action->variable) > 0)) {
- action->generic_action.finish = surf_get_clock();
- cpu_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
- } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
- (action->generic_action.max_duration <= 0)) {
- action->generic_action.finish = surf_get_clock();
- cpu_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
- }
- }
-
- return;
-}
-
-static void cpu_update_resource_state(void *id,
- 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;
-
- 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);
-#ifdef HAVE_TRACING
- TRACE_surf_host_set_power(date, cpu->generic_resource.name,
- cpu->core * cpu->power_scale * cpu->power_peak);
-#endif
- while ((var = lmm_get_var_from_cnst
- (cpu_maxmin_system, cpu->constraint, &elem))) {
- surf_action_cpu_Cas01_t action = lmm_variable_id(var);
- lmm_update_variable_bound(cpu_maxmin_system, action->variable,
- cpu->power_scale * cpu->power_peak);
- }
- if (tmgr_trace_event_free(event_type))
- cpu->power_event = NULL;
- } else if (event_type == cpu->state_event) {
- if (value > 0)
- cpu->state_current = SURF_RESOURCE_ON;
- else {
- lmm_constraint_t cnst = cpu->constraint;
- lmm_variable_t var = NULL;
- lmm_element_t elem = NULL;
-
- 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);
-
- 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_action_state_set(action, SURF_ACTION_FAILED);
- }
- }
- }
- if (tmgr_trace_event_free(event_type))
- cpu->state_event = NULL;
- } else {
- XBT_CRITICAL("Unknown event ! \n");
- xbt_abort();
- }
-
- return;
-}
-
-static surf_action_t cpu_execute(void *cpu, double size)
-{
- surf_action_cpu_Cas01_t action = NULL;
- cpu_Cas01_t CPU = cpu;
-
- 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);
-
- action->suspended = 0; /* Should be useless because of the
- calloc but it seems to help valgrind... */
-
- action->variable = lmm_variable_new(cpu_maxmin_system, action,
- action->generic_action.priority,
- CPU->power_scale * CPU->power_peak, 1);
- lmm_expand(cpu_maxmin_system, CPU->constraint, 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;
-
- if (duration > 0)
- duration = MAX(duration, MAXMIN_PRECISION);
-
- XBT_IN("(%s,%g)", surf_resource_name(cpu), duration);
- action = (surf_action_cpu_Cas01_t) cpu_execute(cpu, 1.0);
- action->generic_action.max_duration = duration;
- action->suspended = 2;
- if (duration == NO_MAX_DURATION) {
- /* Move to the *end* of the corresponding action set. This convention
- 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;
- xbt_swag_insert(action, ((surf_action_t) action)->state_set);
- }
-
- lmm_update_variable_weight(cpu_maxmin_system, action->variable, 0.0);
- XBT_OUT();
- return (surf_action_t) action;
-}
-
-static void cpu_action_suspend(surf_action_t action)
-{
- XBT_IN("(%p)", action);
- if (((surf_action_cpu_Cas01_t) action)->suspended != 2) {
- lmm_update_variable_weight(cpu_maxmin_system,
- ((surf_action_cpu_Cas01_t)
- action)->variable, 0.0);
- ((surf_action_cpu_Cas01_t) action)->suspended = 1;
- }
- XBT_OUT();
-}
-
-static void cpu_action_resume(surf_action_t action)
-{
- XBT_IN("(%p)", action);
- if (((surf_action_cpu_Cas01_t) action)->suspended != 2) {
- lmm_update_variable_weight(cpu_maxmin_system,
- ((surf_action_cpu_Cas01_t)
- action)->variable, action->priority);
- ((surf_action_cpu_Cas01_t) action)->suspended = 0;
- }
- XBT_OUT();
-}
-
-static int cpu_action_is_suspended(surf_action_t action)
-{
- return (((surf_action_cpu_Cas01_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;
- 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_cpu_Cas01_t) action)->variable,
- priority);
-
- 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);
- return action->remains;
- XBT_OUT();
-}
-
-static e_surf_resource_state_t cpu_get_state(void *cpu)
-{
- return ((cpu_Cas01_t) cpu)->state_current;
-}
-
-static double cpu_get_speed(void *cpu, double load)
-{
- return load * (((cpu_Cas01_t) 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_finalize(void)
-{
- lmm_system_free(cpu_maxmin_system);
- cpu_maxmin_system = NULL;
-
- surf_model_exit(surf_cpu_model);
- surf_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;
-}
-
-static void surf_cpu_model_init_internal(void)
-{
- s_surf_action_t action;
-
- surf_cpu_model = surf_model_init();
-
- cpu_running_action_set_that_does_not_need_being_checked =
- xbt_swag_new(xbt_swag_offset(action, state_hookup));
-
- surf_cpu_model->name = "CPU";
-
- surf_cpu_model->action_unref = cpu_action_unref;
- surf_cpu_model->action_cancel = cpu_action_cancel;
- surf_cpu_model->action_state_set = cpu_action_state_set;
-
- surf_cpu_model->model_private->resource_used = cpu_resource_used;
- surf_cpu_model->model_private->share_resources = cpu_share_resources;
- surf_cpu_model->model_private->update_actions_state =
- cpu_update_actions_state;
- surf_cpu_model->model_private->update_resource_state =
- cpu_update_resource_state;
- surf_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;
-#ifdef HAVE_TRACING
- surf_cpu_model->set_category = cpu_action_set_category;
-#endif
- surf_cpu_model->get_remains = cpu_action_get_remains;
-
- surf_cpu_model->extension.cpu.execute = cpu_execute;
- surf_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_get_available_speed;
- surf_cpu_model->extension.cpu.create_resource = cpu_create_resource;
- surf_cpu_model->extension.cpu.add_traces = add_traces_cpu;
-
- if (!cpu_maxmin_system)
- cpu_maxmin_system = lmm_system_new();
-}
-
-/*********************************************************************/
-/* Basic sharing model for CPU: that is where all this started... ;) */
-/*********************************************************************/
-/* @InProceedings{casanova01simgrid, */
-/* author = "H. Casanova", */
-/* booktitle = "Proceedings of the IEEE Symposium on Cluster Computing */
-/* and the Grid (CCGrid'01)", */
-/* publisher = "IEEE Computer Society", */
-/* title = "Simgrid: {A} Toolkit for the Simulation of Application */
-/* Scheduling", */
-/* year = "2001", */
-/* month = may, */
-/* note = "Available at */
-/* \url{http://grail.sdsc.edu/papers/simgrid_ccgrid01.ps.gz}." */
-/* } */
-void surf_cpu_model_init_Cas01()
-{
- if (surf_cpu_model)
- return;
- surf_cpu_model_init_internal();
- cpu_define_callbacks();
- xbt_dynar_push(model_list, &surf_cpu_model);
-}
