1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. 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. */
10 #include "surf_private.h"
11 #include "storage_private.h"
12 #include "surf/surf_resource.h"
13 #include "simgrid/sg_config.h"
14 #include "workstation_private.h"
15 #include "vm_workstation_private.h"
16 #include "cpu_cas01_private.h"
17 #include "maxmin_private.h"
19 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
20 "Logging specific to the SURF workstation module");
22 surf_model_t surf_workstation_model = NULL;
25 static void workstation_new(sg_platf_host_cbarg_t host)
27 const char *name = host->id;
29 /* NOTE: The properties object is NULL, because the current code uses that of
30 * that of a cpu resource. */
31 workstation_CLM03_t ws = (workstation_CLM03_t) surf_resource_new(sizeof(s_workstation_CLM03_t), surf_workstation_model, name, NULL);
33 ws->storage = xbt_lib_get_or_null(storage_lib, name, ROUTING_STORAGE_HOST_LEVEL);
34 ws->net_elm = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
36 XBT_DEBUG("Create ws %s with %ld mounted disks", name, xbt_dynar_length(ws->storage));
37 xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, ws);
40 static void ws_parallel_action_cancel(surf_action_t action)
42 THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks */
45 static int ws_parallel_action_free(surf_action_t action)
47 THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks */
51 int ws_action_unref(surf_action_t action)
53 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
54 return surf_network_model->action_unref(action);
55 else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
56 return action->model_obj->action_unref(action);
57 // previously was: Adrien/Arnaud 6 feb
58 // surf_cpu_model->action_unref(action);
59 else if (action->model_obj->type == SURF_MODEL_TYPE_WORKSTATION)
60 return ws_parallel_action_free(action);
66 void ws_action_cancel(surf_action_t action)
68 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
69 surf_network_model->action_cancel(action);
70 else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
71 action->model_obj->action_cancel(action);
72 else if (action->model_obj->type == SURF_MODEL_TYPE_WORKSTATION)
73 ws_parallel_action_cancel(action);
79 static void ws_action_state_set(surf_action_t action,
80 e_surf_action_state_t state)
82 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
83 surf_network_model->action_state_set(action, state);
84 else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
85 action->model_obj->action_state_set(action, state);
86 else if (action->model_obj->type == SURF_MODEL_TYPE_WORKSTATION)
87 surf_action_state_set(action, state);
94 /* -- The callback functions at model_private -- */
95 /* These callbacks are also used for the vm workstation model. */
96 int ws_resource_used(void *resource_id)
98 /* This model does not implement parallel tasks */
104 /* TODO: iterating active constraint_set may be faster? */
106 static void deactivate_dummy_cpu_action(void)
108 lmm_system_t sys = surf_cpu_model_vm->model_private->maxmin_system;
110 lmm_constraint_t cnst;
111 xbt_swag_foreach(cnst, &sys->active_constraint_set) {
112 /* get vcpu resource */
113 surf_resource_t cpu = lmm_constraint_id(cnst);
114 xbt_assert(cpu->model == surf_cpu_model_vm);
116 /* get vm_ws resource */
117 workstation_CLM03_t ws = xbt_lib_get_or_null(host_lib, cpu->name, SURF_WKS_LEVEL);
119 /* make sure we can cast */
120 xbt_assert(ws->generic_resouce.model == surf_vm_workstation_model);
121 workstation_VM2013_t vm_ws = (workstation_VM2013_t) ws;
123 /* make it active in the PM layer */
124 surf_action_set_priority(vm_ws->cpu_action, 1);
130 /* TODO: Delete this unused code if everything looks good. */
132 static int constraint_is_active(cpu_Cas01_t cpu_cas01)
134 surf_model_t cpu_model = cpu_cas01->generic_resource.model;
135 lmm_system_t sys = cpu_model->model_private->maxmin_system;
137 lmm_constraint_t cnst_tmp;
139 xbt_swag_foreach(cnst_tmp, &sys->active_constraint_set) {
140 if (cnst_tmp == cpu_cas01->constraint) {
151 /* Each VM has a dummy CPU action on the PM layer. This CPU action works as the
152 * constraint (capacity) of the VM in the PM layer. If the VM does not have any
153 * active task, the dummy CPU action must be deactivated, so that the VM does
154 * not get any CPU share in the PM layer. */
155 static void adjust_weight_of_dummy_cpu_actions(void)
157 /* iterate for all hosts including virtual machines */
158 xbt_lib_cursor_t cursor;
162 xbt_lib_foreach(host_lib, cursor, key, ind_host) {
163 workstation_CLM03_t ws_clm03 = ind_host[SURF_WKS_LEVEL];
164 cpu_Cas01_t cpu_cas01 = ind_host[SURF_CPU_LEVEL];
168 /* skip if it is not a virtual machine */
169 if (ws_clm03->generic_resource.model != surf_vm_workstation_model)
171 xbt_assert(cpu_cas01, "cpu-less workstation");
173 /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
174 workstation_VM2013_t ws_vm2013 = (workstation_VM2013_t) ws_clm03;
176 lmm_system_t sys = surf_cpu_model_vm->model_private->maxmin_system;
177 int is_active = lmm_constraint_used(sys, cpu_cas01->constraint);
178 // int is_active_old = constraint_is_active(cpu_cas01);
181 // xbt_assert(is_active == is_active_old, "%d %d", is_active, is_active_old);
185 /* some tasks exist on this VM */
186 XBT_DEBUG("set the weight of the dummy CPU action on PM to 1");
188 /* FIXME: we shoud use lmm_update_variable_weight() ? */
189 /* FIXME: If we assgign 1.05 and 0.05, the system makes apparently wrong values. */
190 surf_action_set_priority(ws_vm2013->cpu_action, 1);
193 /* no task exits on this VM */
194 XBT_DEBUG("set the weight of the dummy CPU action on PM to 0");
196 surf_action_set_priority(ws_vm2013->cpu_action, 0);
202 double ws_share_resources(surf_model_t workstation_model, double now)
204 if (workstation_model->type == SURF_MODEL_TYPE_WORKSTATION)
205 adjust_weight_of_dummy_cpu_actions();
207 /* Invoke the share_resources() callback of the physical cpu model object and
208 * the network model objects. */
209 surf_model_t cpu_model = workstation_model->extension.workstation.cpu_model;
210 surf_model_t net_model = surf_network_model;
212 double min_by_cpu = cpu_model->model_private->share_resources(cpu_model, now);
213 double min_by_net = net_model->model_private->share_resources(net_model, now);
215 XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f",
216 workstation_model, cpu_model->name, min_by_cpu, net_model->name, min_by_net);
218 if (min_by_cpu >= 0.0 && min_by_net >= 0.0)
219 return min(min_by_cpu, min_by_net);
220 else if (min_by_cpu >= 0.0)
222 else if (min_by_net >= 0.0)
225 return min_by_cpu; /* probably min_by_cpu == min_by_net == -1 */
228 void ws_update_actions_state(surf_model_t workstation_model, double now, double delta)
233 void ws_update_resource_state(void *id, tmgr_trace_event_t event_type, double value, double date)
235 /* This model does not implement parallel tasks */
239 void ws_finalize(surf_model_t workstation_model)
241 surf_model_exit(workstation_model);
242 workstation_model = NULL;
247 surf_action_t ws_execute(void *workstation, double size)
249 surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
250 return cpu->model->extension.cpu.execute(workstation, size);
253 surf_action_t ws_action_sleep(void *workstation, double duration)
255 surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
256 return cpu->model->extension.cpu.sleep(workstation, duration);
259 void ws_action_suspend(surf_action_t action)
261 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
262 surf_network_model->suspend(action);
263 else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
264 action->model_obj->suspend(action);
269 void ws_action_resume(surf_action_t action)
271 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
272 surf_network_model->resume(action);
273 else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
274 action->model_obj->resume(action);
279 static int ws_action_is_suspended(surf_action_t action)
281 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
282 return surf_network_model->is_suspended(action);
283 if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
284 return action->model_obj->is_suspended(action);
289 static void ws_action_set_max_duration(surf_action_t action,
292 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
293 surf_network_model->set_max_duration(action, duration);
294 else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
295 action->model_obj->set_max_duration(action, duration);
300 void ws_action_set_priority(surf_action_t action, double priority)
302 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
303 surf_network_model->set_priority(action, priority);
304 else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
305 action->model_obj->set_priority(action, priority);
310 void ws_action_set_bound(surf_action_t action, double bound)
312 /* FIXME: only for CPU model object? */
313 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
314 surf_network_model->set_bound(action, bound);
315 else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
316 action->model_obj->set_bound(action, bound);
322 static void ws_action_set_category(surf_action_t action, const char *category)
324 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
325 surf_network_model->set_category(action, category);
326 else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
327 action->model_obj->set_category(action, category);
333 #ifdef HAVE_LATENCY_BOUND_TRACKING
334 static int ws_get_latency_limited(surf_action_t action)
336 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
337 return surf_network_model->get_latency_limited(action);
343 double ws_action_get_remains(surf_action_t action)
345 if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
346 return surf_network_model->get_remains(action);
347 if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
348 return action->model_obj->get_remains(action);
353 static surf_action_t ws_communicate(void *workstation_src,
354 void *workstation_dst, double size,
357 workstation_CLM03_t src = surf_workstation_resource_priv(workstation_src);
358 workstation_CLM03_t dst = surf_workstation_resource_priv(workstation_dst);
359 return surf_network_model->extension.network.
360 communicate(src->net_elm,
361 dst->net_elm, size, rate);
364 e_surf_resource_state_t ws_get_state(void *workstation)
366 surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
367 return cpu->model->extension.cpu.get_state(workstation);
370 static void ws_set_state(void *workstation, e_surf_resource_state_t state)
372 surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
373 cpu->model->extension.cpu.set_state(workstation, state);
376 double ws_get_speed(void *workstation, double load)
378 surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
379 return cpu->model->extension.cpu.get_speed(workstation, load);
382 static int ws_get_core(void *workstation)
384 surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
385 return cpu->model->extension.cpu.get_core(workstation);
387 static double ws_get_available_speed(void *workstation)
389 surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
390 return cpu->model->extension.cpu.get_available_speed(workstation);
393 static surf_action_t ws_execute_parallel_task(int workstation_nb,
394 void **workstation_list,
395 double *computation_amount,
396 double *communication_amount,
399 #define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
400 if ((workstation_nb == 1)
401 && (cost_or_zero(communication_amount, 0) == 0.0))
402 return ws_execute(workstation_list[0], computation_amount[0]);
403 else if ((workstation_nb == 1)
404 && (cost_or_zero(computation_amount, 0) == 0.0))
405 return ws_communicate(workstation_list[0], workstation_list[0],communication_amount[0], rate);
406 else if ((workstation_nb == 2)
407 && (cost_or_zero(computation_amount, 0) == 0.0)
408 && (cost_or_zero(computation_amount, 1) == 0.0)) {
412 for (i = 0; i < workstation_nb * workstation_nb; i++) {
413 if (cost_or_zero(communication_amount, i) > 0.0) {
415 value = cost_or_zero(communication_amount, i);
419 return ws_communicate(workstation_list[0], workstation_list[1],value, rate);
423 THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks */
428 /* returns an array of network_link_CM02_t */
429 static xbt_dynar_t ws_get_route(void *workstation_src, void *workstation_dst)
431 XBT_DEBUG("ws_get_route");
432 workstation_CLM03_t src = surf_workstation_resource_priv(workstation_src);
433 workstation_CLM03_t dst = surf_workstation_resource_priv(workstation_dst);
434 return surf_network_model->extension.
435 network.get_route(src->net_elm,
439 static double ws_get_link_bandwidth(const void *link)
441 return surf_network_model->extension.network.get_link_bandwidth(link);
444 static double ws_get_link_latency(const void *link)
446 return surf_network_model->extension.network.get_link_latency(link);
449 static int ws_link_shared(const void *link)
451 return surf_network_model->extension.network.link_shared(link);
454 static xbt_dict_t ws_get_properties(const void *ws)
456 return surf_resource_properties(surf_cpu_resource_priv(ws));
459 static storage_t find_storage_on_mount_list(void *workstation,const char* storage)
464 workstation_CLM03_t ws = (workstation_CLM03_t) surf_workstation_resource_priv(workstation);
465 xbt_dynar_t storage_list = ws->storage;
467 XBT_DEBUG("Search for storage name '%s' on '%s'",storage,ws->generic_resource.name);
468 xbt_dynar_foreach(storage_list,cursor,mnt)
470 XBT_DEBUG("See '%s'",mnt.name);
471 if(!strcmp(storage,mnt.name)){
476 if(!st) xbt_die("Can't find mount '%s' for '%s'",storage,ws->generic_resource.name);
480 static surf_action_t ws_action_open(void *workstation, const char* mount,
483 storage_t st = find_storage_on_mount_list(workstation, mount);
484 XBT_DEBUG("OPEN on disk '%s'",st->generic_resource.name);
485 surf_model_t model = st->generic_resource.model;
486 return model->extension.storage.open(st, mount, path);
489 static surf_action_t ws_action_close(void *workstation, surf_file_t fd)
491 storage_t st = find_storage_on_mount_list(workstation, fd->storage);
492 XBT_DEBUG("CLOSE on disk '%s'",st->generic_resource.name);
493 surf_model_t model = st->generic_resource.model;
494 return model->extension.storage.close(st, fd);
497 static surf_action_t ws_action_read(void *workstation, void* ptr, size_t size,
500 storage_t st = find_storage_on_mount_list(workstation, fd->storage);
501 XBT_DEBUG("READ on disk '%s'",st->generic_resource.name);
502 surf_model_t model = st->generic_resource.model;
503 return model->extension.storage.read(st, ptr, size, fd);
506 static surf_action_t ws_action_write(void *workstation, const void* ptr,
507 size_t size, surf_file_t fd)
509 storage_t st = find_storage_on_mount_list(workstation, fd->storage);
510 XBT_DEBUG("WRITE on disk '%s'",st->generic_resource.name);
511 surf_model_t model = st->generic_resource.model;
512 return model->extension.storage.write(st, ptr, size, fd);
515 static int ws_file_unlink(void *workstation, surf_file_t fd)
518 XBT_WARN("No such file descriptor. Impossible to unlink");
521 // XBT_INFO("%s %zu", fd->storage, fd->size);
522 storage_t st = find_storage_on_mount_list(workstation, fd->storage);
523 xbt_dict_t content_dict = (st)->content;
524 /* Check if the file is on this storage */
525 if (!xbt_dict_get_or_null(content_dict, fd->name)){
526 XBT_WARN("File %s is not on disk %s. Impossible to unlink", fd->name,
527 st->generic_resource.name);
530 XBT_DEBUG("UNLINK on disk '%s'",st->generic_resource.name);
531 st->used_size -= fd->size;
533 // Remove the file from storage
534 xbt_dict_remove(content_dict,fd->name);
544 static surf_action_t ws_action_ls(void *workstation, const char* mount,
547 XBT_DEBUG("LS on mount '%s' and file '%s'",mount, path);
548 storage_t st = find_storage_on_mount_list(workstation, mount);
549 surf_model_t model = st->generic_resource.model;
550 return model->extension.storage.ls(st, path);
553 static size_t ws_file_get_size(void *workstation, surf_file_t fd)
558 void ws_get_params(void *ws, ws_params_t params)
560 workstation_CLM03_t ws_clm03 = surf_workstation_resource_priv(ws);
561 memcpy(params, &ws_clm03->params, sizeof(s_ws_params_t));
564 void ws_set_params(void *ws, ws_params_t params)
566 workstation_CLM03_t ws_clm03 = surf_workstation_resource_priv(ws);
567 /* may check something here. */
568 memcpy(&ws_clm03->params, params, sizeof(s_ws_params_t));
571 static xbt_dynar_t ws_get_vms(void *pm)
573 xbt_dynar_t dyn = xbt_dynar_new(sizeof(smx_host_t), NULL);
575 /* iterate for all hosts including virtual machines */
576 xbt_lib_cursor_t cursor;
579 xbt_lib_foreach(host_lib, cursor, key, ind_host) {
580 workstation_CLM03_t ws_clm03 = ind_host[SURF_WKS_LEVEL];
583 /* skip if it is not a virtual machine */
584 if (ws_clm03->generic_resource.model != surf_vm_workstation_model)
587 /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
588 workstation_VM2013_t ws_vm2013 = (workstation_VM2013_t) ws_clm03;
589 if (pm == ws_vm2013->sub_ws)
590 xbt_dynar_push(dyn, &ws_vm2013->sub_ws);
597 static void surf_workstation_model_init_internal(void)
599 surf_model_t model = surf_model_init();
601 model->name = "Workstation";
602 model->type = SURF_MODEL_TYPE_WORKSTATION;
603 model->action_unref = ws_action_unref;
604 model->action_cancel = ws_action_cancel;
605 model->action_state_set = ws_action_state_set;
607 model->model_private->resource_used = ws_resource_used;
608 model->model_private->share_resources = ws_share_resources;
609 model->model_private->update_actions_state = ws_update_actions_state;
610 model->model_private->update_resource_state = ws_update_resource_state;
611 model->model_private->finalize = ws_finalize;
613 model->suspend = ws_action_suspend;
614 model->resume = ws_action_resume;
615 model->is_suspended = ws_action_is_suspended;
616 model->set_max_duration = ws_action_set_max_duration;
617 model->set_priority = ws_action_set_priority;
618 model->set_bound = ws_action_set_bound;
620 model->set_category = ws_action_set_category;
622 model->get_remains = ws_action_get_remains;
623 #ifdef HAVE_LATENCY_BOUND_TRACKING
624 model->get_latency_limited = ws_get_latency_limited;
627 /* For VM support, we have a surf cpu model object for each workstation model
628 * object. The physical workstation model object has the cpu model object of
629 * the physical machine layer. */
630 xbt_assert(surf_cpu_model_pm);
631 model->extension.workstation.cpu_model = surf_cpu_model_pm;
633 model->extension.workstation.execute = ws_execute;
634 model->extension.workstation.sleep = ws_action_sleep;
635 model->extension.workstation.get_state = ws_get_state;
636 model->extension.workstation.set_state = ws_set_state;
637 model->extension.workstation.get_core = ws_get_core;
638 model->extension.workstation.get_speed = ws_get_speed;
639 model->extension.workstation.get_available_speed =
640 ws_get_available_speed;
642 model->extension.workstation.communicate = ws_communicate;
643 model->extension.workstation.get_route = ws_get_route;
644 model->extension.workstation.execute_parallel_task = ws_execute_parallel_task;
645 model->extension.workstation.get_link_bandwidth = ws_get_link_bandwidth;
646 model->extension.workstation.get_link_latency = ws_get_link_latency;
647 model->extension.workstation.link_shared = ws_link_shared;
648 model->extension.workstation.get_properties = ws_get_properties;
650 model->extension.workstation.open = ws_action_open;
651 model->extension.workstation.close = ws_action_close;
652 model->extension.workstation.read = ws_action_read;
653 model->extension.workstation.write = ws_action_write;
654 model->extension.workstation.unlink = ws_file_unlink;
655 model->extension.workstation.ls = ws_action_ls;
657 model->extension.workstation.get_params = ws_get_params;
658 model->extension.workstation.set_params = ws_set_params;
659 model->extension.workstation.get_vms = ws_get_vms;
661 surf_workstation_model = model;
664 void surf_workstation_model_init_current_default(void)
666 xbt_cfg_setdefault_boolean(_sg_cfg_set, "network/crosstraffic", xbt_strdup("yes"));
667 surf_cpu_model_init_Cas01();
668 surf_network_model_init_LegrandVelho();
670 /* surf_cpu_mode_pm and surf_network_model must be initialized in advance. */
671 xbt_assert(surf_cpu_model_pm);
672 xbt_assert(surf_network_model);
673 surf_workstation_model_init_internal();
675 xbt_dynar_push(model_list, &surf_workstation_model);
676 xbt_dynar_push(model_list_invoke, &surf_workstation_model);
677 sg_platf_host_add_cb(workstation_new);
680 void surf_workstation_model_init_compound()
682 xbt_assert(surf_cpu_model_pm, "No CPU model defined yet!");
683 xbt_assert(surf_network_model, "No network model defined yet!");
685 surf_workstation_model_init_internal();
686 xbt_dynar_push(model_list, &surf_workstation_model);
687 xbt_dynar_push(model_list_invoke, &surf_workstation_model);
688 sg_platf_host_add_cb(workstation_new);