1 /* Copyright (c) 2009-2011. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "cpu_cas01.hpp"
10 #include "maxmin_private.h"
11 #include "simgrid/sg_config.h"
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_cas, surf,
15 "Logging specific to the SURF CPU IMPROVED module");
19 cpu_running_action_set_that_does_not_need_being_checked = NULL;
25 static void parse_cpu_init(sg_platf_host_cbarg_t host){
26 ((CpuCas01ModelPtr)surf_cpu_model)->parseInit(host);
29 static void cpu_add_traces_cpu(){
30 surf_cpu_model->addTraces();
33 static void cpu_define_callbacks()
35 sg_platf_host_add_cb(parse_cpu_init);
36 sg_platf_postparse_add_cb(cpu_add_traces_cpu);
42 void surf_cpu_model_init_Cas01()
44 char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
49 if (!strcmp(optim, "TI")) {
50 surf_cpu_model_init_ti();
54 surf_cpu_model = new CpuCas01Model();
55 cpu_define_callbacks();
56 ModelPtr model = static_cast<ModelPtr>(surf_cpu_model);
57 xbt_dynar_push(model_list, &model);
60 CpuCas01Model::CpuCas01Model() : CpuModel("cpu")
63 ActionLmmPtr actionlmm;
65 char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
66 int select = xbt_cfg_get_boolean(_sg_cfg_set, "cpu/maxmin_selective_update");
68 if (!strcmp(optim, "Full")) {
69 p_updateMechanism = UM_FULL;
70 m_selectiveUpdate = select;
71 } else if (!strcmp(optim, "Lazy")) {
72 p_updateMechanism = UM_LAZY;
73 m_selectiveUpdate = 1;
74 xbt_assert((select == 1)
76 (xbt_cfg_is_default_value
77 (_sg_cfg_set, "cpu/maxmin_selective_update")),
78 "Disabling selective update while using the lazy update mechanism is dumb!");
80 xbt_die("Unsupported optimization (%s) for this model", optim);
83 cpu_running_action_set_that_does_not_need_being_checked =
84 xbt_swag_new(xbt_swag_offset(*action, p_stateHookup));
86 if (p_updateMechanism == UM_LAZY) {
87 shareResources = &CpuCas01Model::shareResourcesLazy;
88 updateActionsState = &CpuCas01Model::updateActionsStateLazy;
90 } else if (p_updateMechanism == UM_FULL) {
91 shareResources = &CpuCas01Model::shareResourcesFull;
92 updateActionsState = &CpuCas01Model::updateActionsStateFull;
94 xbt_die("Invalid cpu update mechanism!");
96 if (!p_maxminSystem) {
97 p_maxminSystem = lmm_system_new(m_selectiveUpdate);
100 if (p_updateMechanism == UM_LAZY) {
101 p_actionHeap = xbt_heap_new(8, NULL);
102 xbt_heap_set_update_callback(p_actionHeap, surf_action_lmm_update_index_heap);
103 p_modifiedSet = xbt_swag_new(xbt_swag_offset(*actionlmm, p_actionListHookup));
104 p_maxminSystem->keep_track = p_modifiedSet;
108 CpuCas01Model::~CpuCas01Model()
110 lmm_system_free(p_maxminSystem);
111 p_maxminSystem = NULL;
114 xbt_heap_free(p_actionHeap);
115 xbt_swag_free(p_modifiedSet);
117 surf_cpu_model = NULL;
119 xbt_swag_free(cpu_running_action_set_that_does_not_need_being_checked);
120 cpu_running_action_set_that_does_not_need_being_checked = NULL;
123 void CpuCas01Model::parseInit(sg_platf_host_cbarg_t host)
125 createResource(host->id,
135 CpuCas01LmmPtr CpuCas01Model::createResource(const char *name, double power_peak, double power_scale,
136 tmgr_trace_t power_trace, int core,
137 e_surf_resource_state_t state_initial,
138 tmgr_trace_t state_trace,
139 xbt_dict_t cpu_properties)
142 xbt_assert(!surf_cpu_resource_priv(surf_cpu_resource_by_name(name)),
143 "Host '%s' declared several times in the platform file",
145 xbt_assert(power_peak > 0, "Power has to be >0");
146 xbt_assert(core > 0, "Invalid number of cores %d", core);
148 cpu = new CpuCas01Lmm(this, name, power_peak, power_scale, power_trace, core, state_initial, state_trace, cpu_properties);
149 xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, static_cast<ResourcePtr>(cpu));
151 return (CpuCas01LmmPtr) xbt_lib_get_elm_or_null(host_lib, name);
154 double CpuCas01Model::shareResourcesFull(double now)
156 return Model::shareResourcesMaxMin(p_runningActionSet,
157 p_maxminSystem, lmm_solve);
160 void CpuCas01Model::addTraces()
162 xbt_dict_cursor_t cursor = NULL;
163 char *trace_name, *elm;
164 static int called = 0;
169 /* connect all traces relative to hosts */
170 xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
171 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
172 CpuCas01LmmPtr host = static_cast<CpuCas01LmmPtr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
174 xbt_assert(host, "Host %s undefined", elm);
175 xbt_assert(trace, "Trace %s undefined", trace_name);
178 tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(host));
181 xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
182 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
183 CpuCas01LmmPtr host = dynamic_cast<CpuCas01LmmPtr>(static_cast<ResourcePtr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm))));
185 xbt_assert(host, "Host %s undefined", elm);
186 xbt_assert(trace, "Trace %s undefined", trace_name);
189 tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(host));
196 CpuCas01Lmm::CpuCas01Lmm(CpuCas01ModelPtr model, const char *name, double powerPeak,
197 double powerScale, tmgr_trace_t powerTrace, int core,
198 e_surf_resource_state_t stateInitial, tmgr_trace_t stateTrace,
199 xbt_dict_t properties) :
200 CpuLmm(model, name, properties), Resource(model, name, properties) {
201 m_powerPeak = powerPeak;
202 m_powerScale = powerScale;
204 p_stateCurrent = stateInitial;
206 p_powerEvent = tmgr_history_add_trace(history, powerTrace, 0.0, 0, static_cast<ResourcePtr>(this));
209 p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, static_cast<ResourcePtr>(this));
211 p_constraint = lmm_constraint_new(p_model->p_maxminSystem, this, m_core * m_powerScale * m_powerPeak);
214 bool CpuCas01Lmm::isUsed()
216 return lmm_constraint_used(p_model->p_maxminSystem, p_constraint);
219 void CpuCas01Lmm::updateState(tmgr_trace_event_t event_type, double value, double date)
221 lmm_variable_t var = NULL;
222 lmm_element_t elem = NULL;
224 surf_watched_hosts();
226 if (event_type == p_powerEvent) {
227 m_powerScale = value;
228 lmm_update_constraint_bound(surf_cpu_model->p_maxminSystem, p_constraint,
229 m_core * m_powerScale *
232 TRACE_surf_host_set_power(date, m_name,
233 m_core * m_powerScale *
236 while ((var = lmm_get_var_from_cnst
237 (surf_cpu_model->p_maxminSystem, p_constraint, &elem))) {
238 CpuCas01ActionLmmPtr action = static_cast<CpuCas01ActionLmmPtr>(static_cast<ActionLmmPtr>(lmm_variable_id(var)));
240 lmm_update_variable_bound(surf_cpu_model->p_maxminSystem,
242 m_powerScale * m_powerPeak);
244 if (tmgr_trace_event_free(event_type))
246 } else if (event_type == p_stateEvent) {
248 p_stateCurrent = SURF_RESOURCE_ON;
250 lmm_constraint_t cnst = p_constraint;
252 p_stateCurrent = SURF_RESOURCE_OFF;
254 while ((var = lmm_get_var_from_cnst(surf_cpu_model->p_maxminSystem, cnst, &elem))) {
255 ActionLmmPtr action = static_cast<ActionLmmPtr>(lmm_variable_id(var));
257 if (action->getState() == SURF_ACTION_RUNNING ||
258 action->getState() == SURF_ACTION_READY ||
259 action->getState() == SURF_ACTION_NOT_IN_THE_SYSTEM) {
260 action->m_finish = date;
261 action->setState(SURF_ACTION_FAILED);
265 if (tmgr_trace_event_free(event_type))
268 XBT_CRITICAL("Unknown event ! \n");
275 ActionPtr CpuCas01Lmm::execute(double size)
278 XBT_IN("(%s,%g)", m_name, size);
279 CpuCas01ActionLmmPtr action = new CpuCas01ActionLmm(surf_cpu_model, size, p_stateCurrent != SURF_RESOURCE_ON);
281 action->m_suspended = 0; /* Should be useless because of the
282 calloc but it seems to help valgrind... */
285 lmm_variable_new(surf_cpu_model->p_maxminSystem, static_cast<ActionLmmPtr>(action),
287 m_powerScale * m_powerPeak, 1);
288 if (surf_cpu_model->p_updateMechanism == UM_LAZY) {
289 action->m_indexHeap = -1;
290 action->m_lastUpdate = surf_get_clock();
291 action->m_lastValue = 0.0;
293 lmm_expand(surf_cpu_model->p_maxminSystem, p_constraint,
294 action->p_variable, 1.0);
299 ActionPtr CpuCas01Lmm::sleep(double duration)
302 duration = MAX(duration, MAXMIN_PRECISION);
304 XBT_IN("(%s,%g)", m_name, duration);
305 CpuCas01ActionLmmPtr action = dynamic_cast<CpuCas01ActionLmmPtr>(execute(1.0));
307 // FIXME: sleep variables should not consume 1.0 in lmm_expand
308 action->m_maxDuration = duration;
309 action->m_suspended = 2;
310 if (duration == NO_MAX_DURATION) {
311 /* Move to the *end* of the corresponding action set. This convention
312 is used to speed up update_resource_state */
313 xbt_swag_remove(static_cast<ActionPtr>(action), action->p_stateSet);
314 action->p_stateSet = cpu_running_action_set_that_does_not_need_being_checked;
315 xbt_swag_insert(static_cast<ActionPtr>(action), action->p_stateSet);
318 lmm_update_variable_weight(surf_cpu_model->p_maxminSystem,
319 action->p_variable, 0.0);
320 if (surf_cpu_model->p_updateMechanism == UM_LAZY) { // remove action from the heap
321 action->heapRemove(surf_cpu_model->p_actionHeap);
322 // this is necessary for a variable with weight 0 since such
323 // variables are ignored in lmm and we need to set its max_duration
324 // correctly at the next call to share_resources
325 xbt_swag_insert_at_head(static_cast<ActionLmmPtr>(action), surf_cpu_model->p_modifiedSet);