src/surf/workstation.c

   1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   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. */
   6
   7 #include "xbt/ex.h"
   8 #include "xbt/dict.h"
   9 #include "portable.h"
  10 #include "surf_private.h"
  11
  12 typedef struct workstation_CLM03 {
  13   s_surf_resource_t generic_resource;   /* Must remain first to add this to a trace */
  14   void *cpu;
  15   int id;
  16 } s_workstation_CLM03_t, *workstation_CLM03_t;
  17
  18 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
  19                                 "Logging specific to the SURF workstation module");
  20
  21 surf_model_t surf_workstation_model = NULL;
  22
  23 static workstation_CLM03_t workstation_new(const char *name,
  24                                            void *cpu, int id)
  25 {
  26   workstation_CLM03_t workstation = xbt_new0(s_workstation_CLM03_t, 1);
  27
  28   workstation->generic_resource.model = surf_workstation_model;
  29   workstation->generic_resource.name = xbt_strdup(name);
  30   workstation->cpu = cpu;
  31   workstation->id = id;
  32
  33   xbt_dict_set(surf_model_resource_set(surf_workstation_model), name,
  34                workstation, surf_resource_free);
  35
  36   return workstation;
  37 }
  38
  39 void create_workstations(void)
  40 {
  41   xbt_dict_cursor_t cursor = NULL;
  42   char *name = NULL;
  43   void *cpu = NULL;
  44
  45   xbt_dict_foreach(surf_model_resource_set(surf_cpu_model), cursor, name, cpu) {
  46     int *id = NULL;
  47     if (used_routing && used_routing->host_id)
  48       id = xbt_dict_get_or_null(used_routing->host_id,name);
  49
  50     workstation_new(name, cpu, id ? *id : 0);
  51   }
  52 }
  53
  54 static void ws_cpu_create_resource(char *name, double power_peak,
  55         double power_scale,
  56         tmgr_trace_t power_trace,
  57         e_surf_resource_state_t state_initial,
  58         tmgr_trace_t state_trace,
  59         xbt_dict_t cpu_properties)
  60 {
  61         THROW_UNIMPLEMENTED;
  62 }
  63
  64 static void ws_link_create_resource(char *name,double bw_initial,double lat_initial)
  65 {
  66         THROW_UNIMPLEMENTED;
  67 }
  68
  69 static int ws_resource_used(void *resource_id)
  70 {
  71   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
  72 }
  73
  74 static void ws_parallel_action_cancel(surf_action_t action)
  75 {
  76   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  77 }
  78
  79 static int ws_parallel_action_free(surf_action_t action)
  80 {
  81   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  82 }
  83
  84 static int ws_action_unref(surf_action_t action)
  85 {
  86   if (action->model_type == surf_network_model)
  87     return surf_network_model->action_unref(action);
  88   else if (action->model_type == surf_cpu_model)
  89     return surf_cpu_model->action_unref(action);
  90   else if (action->model_type == surf_workstation_model)
  91     return ws_parallel_action_free(action);
  92   else
  93     DIE_IMPOSSIBLE;
  94   return 0;
  95 }
  96
  97 static void ws_action_cancel(surf_action_t action)
  98 {
  99   if (action->model_type == surf_network_model)
 100     surf_network_model->action_cancel(action);
 101   else if (action->model_type == surf_cpu_model)
 102     surf_cpu_model->action_cancel(action);
 103   else if (action->model_type == surf_workstation_model)
 104     ws_parallel_action_cancel(action);
 105   else
 106     DIE_IMPOSSIBLE;
 107   return;
 108 }
 109
 110 static void ws_action_state_set(surf_action_t action,
 111                                 e_surf_action_state_t state)
 112 {
 113   if (action->model_type == surf_network_model)
 114     surf_network_model->action_state_set(action, state);
 115   else if (action->model_type == surf_cpu_model)
 116     surf_cpu_model->action_state_set(action, state);
 117   else if (action->model_type == surf_workstation_model)
 118     surf_action_state_set(action, state);
 119   else
 120     DIE_IMPOSSIBLE;
 121   return;
 122 }
 123
 124 static double ws_share_resources(double now)
 125 {
 126   return -1.0;
 127 }
 128
 129 static void ws_update_actions_state(double now, double delta)
 130 {
 131   return;
 132 }
 133
 134 static void ws_update_resource_state(void *id,
 135                                   tmgr_trace_event_t event_type,
 136                                   double value, double date)
 137 {
 138   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 139 }
 140
 141 static surf_action_t ws_execute(void *workstation, double size)
 142 {
 143   return surf_cpu_model->extension.cpu.
 144     execute(((workstation_CLM03_t) workstation)->cpu, size);
 145 }
 146
 147 static surf_action_t ws_action_sleep(void *workstation, double duration)
 148 {
 149   return surf_cpu_model->extension.cpu.
 150     sleep(((workstation_CLM03_t) workstation)->cpu, duration);
 151 }
 152
 153 static void ws_action_suspend(surf_action_t action)
 154 {
 155   if (action->model_type == surf_network_model)
 156     surf_network_model->suspend(action);
 157   else if (action->model_type == surf_cpu_model)
 158     surf_cpu_model->suspend(action);
 159   else
 160     DIE_IMPOSSIBLE;
 161 }
 162
 163 static void ws_action_resume(surf_action_t action)
 164 {
 165   if (action->model_type == surf_network_model)
 166     surf_network_model->resume(action);
 167   else if (action->model_type == surf_cpu_model)
 168     surf_cpu_model->resume(action);
 169   else
 170     DIE_IMPOSSIBLE;
 171 }
 172
 173 static int ws_action_is_suspended(surf_action_t action)
 174 {
 175   if (action->model_type == surf_network_model)
 176     return surf_network_model->is_suspended(action);
 177   if (action->model_type == surf_cpu_model)
 178     return surf_cpu_model->is_suspended(action);
 179   DIE_IMPOSSIBLE;
 180 }
 181
 182 static void ws_action_set_max_duration(surf_action_t action, double duration)
 183 {
 184   if (action->model_type == surf_network_model)
 185     surf_network_model->set_max_duration(action, duration);
 186   else if (action->model_type == surf_cpu_model)
 187     surf_cpu_model->set_max_duration(action, duration);
 188   else
 189     DIE_IMPOSSIBLE;
 190 }
 191
 192 static void ws_action_set_priority(surf_action_t action, double priority)
 193 {
 194   if (action->model_type == surf_network_model)
 195     surf_network_model->set_priority(action, priority);
 196   else if (action->model_type == surf_cpu_model)
 197     surf_cpu_model->set_priority(action, priority);
 198   else
 199     DIE_IMPOSSIBLE;
 200 }
 201
 202 static double ws_action_get_remains(surf_action_t action)
 203 {
 204   if (action->model_type == surf_network_model)
 205     return surf_network_model->get_remains(action);
 206   if (action->model_type == surf_cpu_model)
 207     return surf_cpu_model->get_remains(action);
 208   DIE_IMPOSSIBLE;
 209 }
 210
 211 static surf_action_t ws_communicate(void *workstation_src,
 212                                  void *workstation_dst, double size,
 213                                  double rate)
 214 {
 215   workstation_CLM03_t src = (workstation_CLM03_t) workstation_src;
 216   workstation_CLM03_t dst = (workstation_CLM03_t) workstation_dst;
 217   return surf_network_model->extension.network.
 218     communicate(surf_resource_name(src->cpu), surf_resource_name(dst->cpu),
 219                 src->id, dst->id, size, rate);
 220 }
 221
 222 static e_surf_resource_state_t ws_get_state(void *workstation)
 223 {
 224   return surf_cpu_model->extension.cpu.
 225     get_state(((workstation_CLM03_t) workstation)->cpu);
 226 }
 227
 228 static double ws_get_speed(void *workstation, double load)
 229 {
 230   return surf_cpu_model->extension.cpu.
 231     get_speed(((workstation_CLM03_t) workstation)->cpu, load);
 232 }
 233
 234 static double ws_get_available_speed(void *workstation)
 235 {
 236   return surf_cpu_model->extension.cpu.
 237     get_available_speed(((workstation_CLM03_t)
 238                          workstation)->cpu);
 239 }
 240
 241 static surf_action_t ws_execute_parallel_task(int workstation_nb,
 242                                            void **workstation_list,
 243                                            double *computation_amount,
 244                                            double *communication_amount,
 245                                            double amount, double rate)
 246 {
 247   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
 248 }
 249
 250
 251 /* returns an array of network_link_CM02_t */
 252 static xbt_dynar_t ws_get_route(void *src, void *dst)
 253 {
 254   workstation_CLM03_t workstation_src = (workstation_CLM03_t) src;
 255   workstation_CLM03_t workstation_dst = (workstation_CLM03_t) dst;
 256   return surf_network_model->extension.network.get_route(workstation_src->id,
 257                                                          workstation_dst->id);
 258 }
 259
 260 static double ws_get_link_bandwidth(const void *link)
 261 {
 262   return surf_network_model->extension.network.get_link_bandwidth(link);
 263 }
 264
 265 static double ws_get_link_latency(const void *link)
 266 {
 267   return surf_network_model->extension.network.get_link_latency(link);
 268 }
 269
 270 static int ws_link_shared(const void *link)
 271 {
 272   return surf_network_model->extension.network.get_link_latency(link);
 273 }
 274
 275 static void ws_finalize(void)
 276 {
 277   surf_model_exit(surf_workstation_model);
 278   surf_workstation_model = NULL;
 279 }
 280
 281 static xbt_dict_t ws_get_properties(const void *ws)
 282 {
 283   return surf_resource_properties(((workstation_CLM03_t) ws)->cpu);
 284 }
 285
 286 static void surf_workstation_model_init_internal(void)
 287 {
 288   surf_workstation_model = surf_model_init();
 289
 290   surf_workstation_model->name = "Workstation";
 291   surf_workstation_model->action_unref = ws_action_unref;
 292   surf_workstation_model->action_cancel = ws_action_cancel;
 293   surf_workstation_model->action_state_set = ws_action_state_set;
 294
 295   surf_workstation_model->model_private->resource_used = ws_resource_used;
 296   surf_workstation_model->model_private->share_resources = ws_share_resources;
 297   surf_workstation_model->model_private->update_actions_state =
 298     ws_update_actions_state;
 299   surf_workstation_model->model_private->update_resource_state =
 300     ws_update_resource_state;
 301   surf_workstation_model->model_private->finalize = ws_finalize;
 302
 303   surf_workstation_model->suspend = ws_action_suspend;
 304   surf_workstation_model->resume = ws_action_resume;
 305   surf_workstation_model->is_suspended = ws_action_is_suspended;
 306   surf_workstation_model->set_max_duration = ws_action_set_max_duration;
 307   surf_workstation_model->set_priority = ws_action_set_priority;
 308   surf_workstation_model->get_remains = ws_action_get_remains;
 309
 310   surf_workstation_model->extension.workstation.execute = ws_execute;
 311   surf_workstation_model->extension.workstation.sleep = ws_action_sleep;
 312   surf_workstation_model->extension.workstation.get_state = ws_get_state;
 313   surf_workstation_model->extension.workstation.get_speed = ws_get_speed;
 314   surf_workstation_model->extension.workstation.get_available_speed =
 315     ws_get_available_speed;
 316
 317   surf_workstation_model->extension.workstation.communicate = ws_communicate;
 318   surf_workstation_model->extension.workstation.get_route = ws_get_route;
 319   surf_workstation_model->extension.workstation.execute_parallel_task =
 320     ws_execute_parallel_task;
 321   surf_workstation_model->extension.workstation.get_link_bandwidth =
 322     ws_get_link_bandwidth;
 323   surf_workstation_model->extension.workstation.get_link_latency =
 324     ws_get_link_latency;
 325   surf_workstation_model->extension.workstation.link_shared = ws_link_shared;
 326   surf_workstation_model->extension.workstation.get_properties =
 327     ws_get_properties;
 328   surf_workstation_model->extension.workstation.link_create_resource =
 329     ws_link_create_resource;
 330   surf_workstation_model->extension.workstation.cpu_create_resource =
 331         ws_cpu_create_resource;
 332 }
 333
 334 /********************************************************************/
 335 /* The model used in MSG and presented at CCGrid03                  */
 336 /********************************************************************/
 337 /* @InProceedings{Casanova.CLM_03, */
 338 /*   author = {Henri Casanova and Arnaud Legrand and Loris Marchal}, */
 339 /*   title = {Scheduling Distributed Applications: the SimGrid Simulation Framework}, */
 340 /*   booktitle = {Proceedings of the third IEEE International Symposium on Cluster Computing and the Grid (CCGrid'03)}, */
 341 /*   publisher = {"IEEE Computer Society Press"}, */
 342 /*   month = {may}, */
 343 /*   year = {2003} */
 344 /* } */
 345 void surf_workstation_model_init_CLM03(const char *filename)
 346 {
 347   surf_workstation_model_init_internal();
 348   surf_cpu_model_init_Cas01_im(filename);
 349   surf_network_model_init_LegrandVelho(filename);
 350   update_model_description(surf_workstation_model_description,
 351                            "CLM03", surf_workstation_model);
 352   xbt_dynar_push(model_list, &surf_workstation_model);
 353 }
 354
 355 void surf_workstation_model_init_compound(const char *filename)
 356 {
 357
 358   xbt_assert0(surf_cpu_model, "No CPU model defined yet!");
 359   xbt_assert0(surf_network_model, "No network model defined yet!");
 360   surf_workstation_model_init_internal();
 361
 362   update_model_description(surf_workstation_model_description,
 363                            "compound", surf_workstation_model);
 364
 365   xbt_dynar_push(model_list, &surf_workstation_model);
 366 }