-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2004-2013. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include "surf/surf_resource.h"
#include "simgrid/sg_config.h"
#include "workstation_private.h"
+#include "vm_workstation_private.h"
+#include "cpu_cas01_private.h"
+#include "maxmin_private.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
"Logging specific to the SURF workstation module");
surf_model_t surf_workstation_model = NULL;
-void __init_workstation_CLM03(workstation_CLM03_t ws, const char *id)
+static void workstation_new(sg_platf_host_cbarg_t host)
{
- ws->generic_resource.model = surf_workstation_model;
- ws->generic_resource.name = xbt_strdup(id);
- ws->storage = xbt_lib_get_or_null(storage_lib, id, ROUTING_STORAGE_HOST_LEVEL);
- ws->net_elm = xbt_lib_get_or_null(host_lib, id, ROUTING_HOST_LEVEL);
+ const char *name = host->id;
- XBT_DEBUG("Create ws %s with %ld mounted disks", id, xbt_dynar_length(ws->storage));
- xbt_lib_set(host_lib, id, SURF_WKS_LEVEL, ws);
-}
+ /* NOTE: The properties object is NULL, because the current code uses that of
+ * that of a cpu resource. */
+ workstation_CLM03_t ws = (workstation_CLM03_t) surf_resource_new(sizeof(s_workstation_CLM03_t), surf_workstation_model, name, NULL, NULL);
-static void workstation_new(sg_platf_host_cbarg_t host)
-{
- workstation_CLM03_t workstation = xbt_new0(s_workstation_CLM03_t, 1);
+ ws->storage = xbt_lib_get_or_null(storage_lib, name, ROUTING_STORAGE_HOST_LEVEL);
+ ws->net_elm = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
- __init_workstation_CLM03(workstation, host->id);
+ XBT_DEBUG("Create ws %s with %ld mounted disks", name, xbt_dynar_length(ws->storage));
+ xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, ws);
}
-
static void ws_parallel_action_cancel(surf_action_t action)
{
THROW_UNIMPLEMENTED; /* This model does not implement parallel tasks */
return -1;
}
-static int ws_action_unref(surf_action_t action)
+int ws_action_unref(surf_action_t action)
{
if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
return surf_network_model->action_unref(action);
return 0;
}
-static void ws_action_cancel(surf_action_t action)
+void ws_action_cancel(surf_action_t action)
{
if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
surf_network_model->action_cancel(action);
return -1;
}
+
+/* TODO: iterating active constraint_set may be faster? */
+#if 0
+static void deactivate_dummy_cpu_action(void)
+{
+ lmm_system_t sys = surf_cpu_model_vm->model_private->maxmin_system;
+
+ lmm_constraint_t cnst;
+ xbt_swag_foreach(cnst, &sys->active_constraint_set) {
+ /* get vcpu resource */
+ surf_resource_t cpu = lmm_constraint_id(cnst);
+ xbt_assert(cpu->model == surf_cpu_model_vm);
+
+ /* get vm_ws resource */
+ workstation_CLM03_t ws = xbt_lib_get_or_null(host_lib, cpu->name, SURF_WKS_LEVEL);
+
+ /* make sure we can cast */
+ xbt_assert(ws->generic_resouce.model == surf_vm_workstation_model);
+ workstation_VM2013_t vm_ws = (workstation_VM2013_t) ws;
+
+ /* make it active in the PM layer */
+ surf_action_set_priority(vm_ws->cpu_action, 1);
+ }
+}
+#endif
+
+
+/* TODO: Delete this unused code if everything looks good. */
+#if 0
+static int constraint_is_active(cpu_Cas01_t cpu_cas01)
+{
+ surf_model_t cpu_model = cpu_cas01->generic_resource.model;
+ lmm_system_t sys = cpu_model->model_private->maxmin_system;
+ int found = 0;
+ lmm_constraint_t cnst_tmp;
+
+ xbt_swag_foreach(cnst_tmp, &sys->active_constraint_set) {
+ if (cnst_tmp == cpu_cas01->constraint) {
+ found = 1;
+ break;
+ }
+ }
+
+ return found;
+}
+#endif
+
+
+/* Each VM has a dummy CPU action on the PM layer. This CPU action works as the
+ * constraint (capacity) of the VM in the PM layer. If the VM does not have any
+ * active task, the dummy CPU action must be deactivated, so that the VM does
+ * not get any CPU share in the PM layer. */
+static void adjust_weight_of_dummy_cpu_actions(void)
+{
+ /* iterate for all hosts including virtual machines */
+ xbt_lib_cursor_t cursor;
+ char *key;
+ void **ind_host;
+
+ xbt_lib_foreach(host_lib, cursor, key, ind_host) {
+ workstation_CLM03_t ws_clm03 = ind_host[SURF_WKS_LEVEL];
+ cpu_Cas01_t cpu_cas01 = ind_host[SURF_CPU_LEVEL];
+
+ if (!ws_clm03)
+ continue;
+ /* skip if it is not a virtual machine */
+ if (ws_clm03->generic_resource.model != surf_vm_workstation_model)
+ continue;
+ xbt_assert(cpu_cas01, "cpu-less workstation");
+
+ /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
+ workstation_VM2013_t ws_vm2013 = (workstation_VM2013_t) ws_clm03;
+
+ lmm_system_t sys = surf_cpu_model_vm->model_private->maxmin_system;
+ int is_active = lmm_constraint_used(sys, cpu_cas01->constraint);
+ // int is_active_old = constraint_is_active(cpu_cas01);
+
+ // {
+ // xbt_assert(is_active == is_active_old, "%d %d", is_active, is_active_old);
+ // }
+
+ if (is_active) {
+ /* some tasks exist on this VM */
+ XBT_DEBUG("set the weight of the dummy CPU action on PM to 1");
+
+ /* FIXME: we shoud use lmm_update_variable_weight() ? */
+ /* FIXME: If we assgign 1.05 and 0.05, the system makes apparently wrong values. */
+ surf_action_set_priority(ws_vm2013->cpu_action, 1);
+
+ } else {
+ /* no task exits on this VM */
+ XBT_DEBUG("set the weight of the dummy CPU action on PM to 0");
+
+ surf_action_set_priority(ws_vm2013->cpu_action, 0);
+ }
+ }
+}
+
+
double ws_share_resources(surf_model_t workstation_model, double now)
{
+ if (workstation_model->type == SURF_MODEL_TYPE_WORKSTATION)
+ adjust_weight_of_dummy_cpu_actions();
+
/* Invoke the share_resources() callback of the physical cpu model object and
* the network model objects. */
surf_model_t cpu_model = workstation_model->extension.workstation.cpu_model;
return cpu->model->extension.cpu.execute(workstation, size);
}
-static surf_action_t ws_action_sleep(void *workstation, double duration)
+surf_action_t ws_action_sleep(void *workstation, double duration)
{
surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
return cpu->model->extension.cpu.sleep(workstation, duration);
}
-static void ws_action_suspend(surf_action_t action)
+void ws_action_suspend(surf_action_t action)
{
if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
surf_network_model->suspend(action);
DIE_IMPOSSIBLE;
}
-static void ws_action_resume(surf_action_t action)
+void ws_action_resume(surf_action_t action)
{
if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
surf_network_model->resume(action);
DIE_IMPOSSIBLE;
}
+void ws_action_set_bound(surf_action_t action, double bound)
+{
+ /* FIXME: only for CPU model object? */
+ if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
+ surf_network_model->set_bound(action, bound);
+ else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
+ action->model_obj->set_bound(action, bound);
+ else
+ DIE_IMPOSSIBLE;
+}
+
+void ws_action_set_affinity(surf_action_t action, void *workstation, unsigned long mask)
+{
+ if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
+ DIE_IMPOSSIBLE;
+ else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
+ action->model_obj->set_affinity(action, workstation, mask);
+ else
+ DIE_IMPOSSIBLE;
+}
+
#ifdef HAVE_TRACING
static void ws_action_set_category(surf_action_t action, const char *category)
{
}
#endif
-static double ws_action_get_remains(surf_action_t action)
+double ws_action_get_remains(surf_action_t action)
{
if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
return surf_network_model->get_remains(action);
return cpu->model->extension.cpu.get_state(workstation);
}
-static double ws_get_speed(void *workstation, double load)
+static void ws_set_state(void *workstation, e_surf_resource_state_t state)
+{
+ surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
+ cpu->model->extension.cpu.set_state(workstation, state);
+}
+
+double ws_get_speed(void *workstation, double load)
{
surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
return cpu->model->extension.cpu.get_speed(workstation, load);
}
+static int ws_get_core(void *workstation)
+{
+ surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
+ return cpu->model->extension.cpu.get_core(workstation);
+}
static double ws_get_available_speed(void *workstation)
{
surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
return cpu->model->extension.cpu.get_available_speed(workstation);
}
+static double ws_get_current_power_peak(void *workstation)
+{
+ surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
+ return cpu->model->extension.cpu.
+ get_current_power_peak(workstation);
+}
+
+static double ws_get_power_peak_at(void *workstation, int pstate_index)
+{
+ surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
+ return cpu->model->extension.cpu.
+ get_power_peak_at(workstation, pstate_index);
+}
+
+static int ws_get_nb_pstates(void *workstation)
+{
+ surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
+ return cpu->model->extension.cpu.
+ get_nb_pstates(workstation);
+}
+
+static void ws_set_power_peak_at(void *workstation, int pstate_index)
+{
+ surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
+ cpu->model->extension.cpu.
+ set_power_peak_at(workstation, pstate_index);
+}
+
+static double ws_get_consumed_energy(void *workstation)
+{
+ surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
+ return cpu->model->extension.cpu.
+ get_consumed_energy(workstation);
+}
+
+
static surf_action_t ws_execute_parallel_task(int workstation_nb,
void **workstation_list,
double *computation_amount,
return surf_resource_properties(surf_cpu_resource_priv(ws));
}
-static storage_t find_storage_on_mount_list(void *workstation,const char* storage)
+static storage_t find_storage_on_mount_list(void *workstation,const char* mount)
{
storage_t st = NULL;
s_mount_t mnt;
workstation_CLM03_t ws = (workstation_CLM03_t) surf_workstation_resource_priv(workstation);
xbt_dynar_t storage_list = ws->storage;
- XBT_DEBUG("Search for storage name '%s' on '%s'",storage,ws->generic_resource.name);
+ XBT_DEBUG("Search for storage name '%s' on '%s'",mount,ws->generic_resource.name);
xbt_dynar_foreach(storage_list,cursor,mnt)
{
XBT_DEBUG("See '%s'",mnt.name);
- if(!strcmp(storage,mnt.name)){
- st = mnt.id;
+ if(!strcmp(mount,mnt.name)){
+ st = mnt.storage;
break;
}
}
- if(!st) xbt_die("Can't find mount '%s' for '%s'",storage,ws->generic_resource.name);
+ if(!st) xbt_die("Can't find mount '%s' for '%s'",mount,ws->generic_resource.name);
return st;
}
-static surf_action_t ws_action_open(void *workstation, const char* mount, const char* path, const char* mode)
+static xbt_dict_t ws_get_storage_list(void *workstation)
+{
+ s_mount_t mnt;
+ unsigned int i;
+ xbt_dict_t storage_list = xbt_dict_new_homogeneous(NULL);
+ char *storage_name = NULL;
+
+ workstation_CLM03_t ws = (workstation_CLM03_t) surf_workstation_resource_priv(workstation);
+ xbt_dynar_t storages = ws->storage;
+
+ xbt_dynar_foreach(storages,i,mnt){
+ storage_name = ((storage_t)mnt.storage)->generic_resource.name;
+ xbt_dict_set(storage_list,mnt.name,storage_name,NULL);
+ }
+ return storage_list;
+}
+
+static surf_action_t ws_action_open(void *workstation, const char* mount,
+ const char* path)
{
storage_t st = find_storage_on_mount_list(workstation, mount);
XBT_DEBUG("OPEN on disk '%s'",st->generic_resource.name);
surf_model_t model = st->generic_resource.model;
- return model->extension.storage.open(st, mount, path, mode);
+ return model->extension.storage.open(st, mount, path);
}
-static surf_action_t ws_action_close(void *workstation, surf_file_t fp)
+static surf_action_t ws_action_close(void *workstation, surf_file_t fd)
{
- storage_t st = find_storage_on_mount_list(workstation, fp->storage);
+ storage_t st = find_storage_on_mount_list(workstation, fd->mount);
XBT_DEBUG("CLOSE on disk '%s'",st->generic_resource.name);
surf_model_t model = st->generic_resource.model;
- return model->extension.storage.close(st, fp);
+ return model->extension.storage.close(st, fd);
}
-static surf_action_t ws_action_read(void *workstation, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
+static surf_action_t ws_action_read(void *workstation, surf_file_t fd, sg_storage_size_t size)
{
- storage_t st = find_storage_on_mount_list(workstation, stream->storage);
+ storage_t st = find_storage_on_mount_list(workstation, fd->mount);
XBT_DEBUG("READ on disk '%s'",st->generic_resource.name);
surf_model_t model = st->generic_resource.model;
- return model->extension.storage.read(st, ptr, (double)size, nmemb, stream);
+ return model->extension.storage.read(st, fd, size);
}
-static surf_action_t ws_action_write(void *workstation, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
+static surf_action_t ws_action_write(void *workstation, surf_file_t fd, sg_storage_size_t size)
{
- storage_t st = find_storage_on_mount_list(workstation, stream->storage);
+ storage_t st = find_storage_on_mount_list(workstation, fd->mount);
XBT_DEBUG("WRITE on disk '%s'",st->generic_resource.name);
surf_model_t model = st->generic_resource.model;
- return model->extension.storage.write(st, ptr, size, nmemb, stream);
-}
-
-static surf_action_t ws_action_stat(void *workstation, surf_file_t stream)
-{
- storage_t st = find_storage_on_mount_list(workstation, stream->storage);
- XBT_DEBUG("STAT on disk '%s'",st->generic_resource.name);
- surf_model_t model = st->generic_resource.model;
- return model->extension.storage.stat(st, stream);
+ return model->extension.storage.write(st, fd, size);
}
-static surf_action_t ws_action_unlink(void *workstation, surf_file_t stream)
+static int ws_file_unlink(void *workstation, surf_file_t fd)
{
- storage_t st = find_storage_on_mount_list(workstation, stream->storage);
- XBT_DEBUG("UNLINK on disk '%s'",st->generic_resource.name);
- surf_model_t model = st->generic_resource.model;
- return model->extension.storage.unlink(st, stream);
+ if (!fd){
+ XBT_WARN("No such file descriptor. Impossible to unlink");
+ return 0;
+ } else {
+// XBT_INFO("%s %zu", fd->storage, fd->size);
+ storage_t st = find_storage_on_mount_list(workstation, fd->mount);
+ xbt_dict_t content_dict = (st)->content;
+ /* Check if the file is on this storage */
+ if (!xbt_dict_get_or_null(content_dict, fd->name)){
+ XBT_WARN("File %s is not on disk %s. Impossible to unlink", fd->name,
+ st->generic_resource.name);
+ return 0;
+ } else {
+ XBT_DEBUG("UNLINK on disk '%s'",st->generic_resource.name);
+ st->used_size -= fd->size;
+
+ // Remove the file from storage
+ xbt_dict_remove(content_dict,fd->name);
+
+ free(fd->name);
+ free(fd->mount);
+ xbt_free(fd);
+ return 1;
+ }
+ }
}
-static surf_action_t ws_action_ls(void *workstation, const char* mount, const char *path)
+static surf_action_t ws_action_ls(void *workstation, const char* mount,
+ const char *path)
{
XBT_DEBUG("LS on mount '%s' and file '%s'",mount, path);
storage_t st = find_storage_on_mount_list(workstation, mount);
return model->extension.storage.ls(st, path);
}
+static sg_storage_size_t ws_file_get_size(void *workstation, surf_file_t fd)
+{
+ return fd->size;
+}
+
+static xbt_dynar_t ws_file_get_info(void *workstation, surf_file_t fd)
+{
+ storage_t st = find_storage_on_mount_list(workstation, fd->mount);
+ sg_storage_size_t *psize = xbt_new(sg_storage_size_t, 1);
+ *psize = fd->size;
+ xbt_dynar_t info = xbt_dynar_new(sizeof(void*), NULL);
+ xbt_dynar_push_as(info, sg_storage_size_t *, psize);
+ xbt_dynar_push_as(info, void *, fd->mount);
+ xbt_dynar_push_as(info, void *, st->generic_resource.name);
+ xbt_dynar_push_as(info, void *, st->type_id);
+ xbt_dynar_push_as(info, void *, st->content_type);
+
+ return info;
+}
+
+static sg_storage_size_t ws_storage_get_free_size(void *workstation,const char* name)
+{
+ storage_t st = find_storage_on_mount_list(workstation, name);
+ return st->size - st->used_size;
+}
+
+static sg_storage_size_t ws_storage_get_used_size(void *workstation,const char* name)
+{
+ storage_t st = find_storage_on_mount_list(workstation, name);
+ return st->used_size;
+}
+
+void ws_get_params(void *ws, ws_params_t params)
+{
+ workstation_CLM03_t ws_clm03 = surf_workstation_resource_priv(ws);
+ memcpy(params, &ws_clm03->params, sizeof(s_ws_params_t));
+}
+
+void ws_set_params(void *ws, ws_params_t params)
+{
+ workstation_CLM03_t ws_clm03 = surf_workstation_resource_priv(ws);
+ /* may check something here. */
+ memcpy(&ws_clm03->params, params, sizeof(s_ws_params_t));
+}
+
+static xbt_dynar_t ws_get_vms(void *pm)
+{
+ xbt_dynar_t dyn = xbt_dynar_new(sizeof(smx_host_t), NULL);
+
+ /* iterate for all hosts including virtual machines */
+ xbt_lib_cursor_t cursor;
+ char *key;
+ void **ind_host;
+ xbt_lib_foreach(host_lib, cursor, key, ind_host) {
+ workstation_CLM03_t ws_clm03 = ind_host[SURF_WKS_LEVEL];
+ if (!ws_clm03)
+ continue;
+ /* skip if it is not a virtual machine */
+ if (ws_clm03->generic_resource.model != surf_vm_workstation_model)
+ continue;
+
+ /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
+ workstation_VM2013_t ws_vm2013 = (workstation_VM2013_t) ws_clm03;
+ if (pm == ws_vm2013->sub_ws)
+ xbt_dynar_push(dyn, &ws_vm2013->sub_ws);
+ }
+
+ return dyn;
+}
+
+
static void surf_workstation_model_init_internal(void)
{
surf_model_t model = surf_model_init();
model->is_suspended = ws_action_is_suspended;
model->set_max_duration = ws_action_set_max_duration;
model->set_priority = ws_action_set_priority;
+ model->set_bound = ws_action_set_bound;
+ model->set_affinity = ws_action_set_affinity;
#ifdef HAVE_TRACING
model->set_category = ws_action_set_category;
#endif
model->extension.workstation.execute = ws_execute;
model->extension.workstation.sleep = ws_action_sleep;
model->extension.workstation.get_state = ws_get_state;
+ model->extension.workstation.set_state = ws_set_state;
+ model->extension.workstation.get_core = ws_get_core;
model->extension.workstation.get_speed = ws_get_speed;
- model->extension.workstation.get_available_speed = ws_get_available_speed;
-
- model->extension.workstation.communicate = ws_communicate;
- model->extension.workstation.get_route = ws_get_route;
+ model->extension.workstation.get_available_speed =
+ ws_get_available_speed;
+ model->extension.workstation.get_current_power_peak = ws_get_current_power_peak;
+ model->extension.workstation.get_power_peak_at = ws_get_power_peak_at;
+ model->extension.workstation.get_nb_pstates = ws_get_nb_pstates;
+ model->extension.workstation.set_power_peak_at = ws_set_power_peak_at;
+ model->extension.workstation.get_consumed_energy = ws_get_consumed_energy;
+
+ model->extension.workstation.communicate = ws_communicate;
+ model->extension.workstation.get_route = ws_get_route;
model->extension.workstation.execute_parallel_task = ws_execute_parallel_task;
- model->extension.workstation.get_link_bandwidth = ws_get_link_bandwidth;
- model->extension.workstation.get_link_latency = ws_get_link_latency;
- model->extension.workstation.link_shared = ws_link_shared;
- model->extension.workstation.get_properties = ws_get_properties;
-
- model->extension.workstation.open = ws_action_open;
- model->extension.workstation.close = ws_action_close;
- model->extension.workstation.read = ws_action_read;
- model->extension.workstation.write = ws_action_write;
- model->extension.workstation.stat = ws_action_stat;
- model->extension.workstation.unlink = ws_action_unlink;
- model->extension.workstation.ls = ws_action_ls;
+ model->extension.workstation.get_link_bandwidth = ws_get_link_bandwidth;
+ model->extension.workstation.get_link_latency = ws_get_link_latency;
+ model->extension.workstation.link_shared = ws_link_shared;
+ model->extension.workstation.get_properties = ws_get_properties;
+
+ model->extension.workstation.open = ws_action_open;
+ model->extension.workstation.close = ws_action_close;
+ model->extension.workstation.read = ws_action_read;
+ model->extension.workstation.write = ws_action_write;
+ model->extension.workstation.unlink = ws_file_unlink;
+ model->extension.workstation.ls = ws_action_ls;
+ model->extension.workstation.get_size = ws_file_get_size;
+ model->extension.workstation.get_info = ws_file_get_info;
+ model->extension.workstation.get_free_size = ws_storage_get_free_size;
+ model->extension.workstation.get_used_size = ws_storage_get_used_size;
+ model->extension.workstation.get_storage_list = ws_get_storage_list;
+
+ model->extension.workstation.get_params = ws_get_params;
+ model->extension.workstation.set_params = ws_set_params;
+ model->extension.workstation.get_vms = ws_get_vms;
surf_workstation_model = model;
}
void surf_workstation_model_init_current_default(void)
{
- xbt_cfg_setdefault_int(_sg_cfg_set, "network/crosstraffic", 1);
+ xbt_cfg_setdefault_boolean(_sg_cfg_set, "network/crosstraffic", "yes");
surf_cpu_model_init_Cas01();
surf_network_model_init_LegrandVelho();
