-/* Copyright (c) 2004-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2004-2019. 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_interface.hpp"
-#include "network_interface.hpp"
-#include "cpu_interface.hpp"
-#include "host_interface.hpp"
-#include "src/simix/smx_host_private.h"
-#include "surf_routing.hpp"
-#include "simgrid/sg_config.h"
#include "mc/mc.h"
-#include "virtual_machine.hpp"
+#include "simgrid/s4u/Engine.hpp"
+#include "simgrid/sg_config.hpp"
+#include "src/kernel/resource/profile/FutureEvtSet.hpp"
+#include "src/kernel/resource/profile/Profile.hpp"
+#include "src/simgrid/version.h"
+#include "src/surf/HostImpl.hpp"
+#include "src/surf/xml/platf.hpp"
+#include "src/xbt_modinter.h" /* whether initialization was already done */
+#include "surf/surf.hpp"
+#include "xbt/module.h"
+
+#include <fstream>
+#include <string>
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
XBT_LOG_NEW_CATEGORY(surf, "All SURF categories");
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf,
- "Logging specific to SURF (kernel)");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf, "Logging specific to SURF (kernel)");
/*********
* Utils *
*********/
-/* model_list_invoke contains only surf_host and surf_vm.
- * The callback functions of cpu_model and network_model will be called from
- * those of these host models. */
-xbt_dynar_t all_existing_models = NULL; /* to destroy models correctly */
-xbt_dynar_t model_list_invoke = NULL; /* for invoking callbacks */
-
-tmgr_history_t history = NULL;
-lmm_system_t maxmin_system = NULL;
-xbt_dynar_t surf_path = NULL;
-xbt_dynar_t host_that_restart = NULL;
-xbt_dict_t watched_hosts_lib;
-
-namespace simgrid {
-namespace surf {
-
-surf_callback(void, void) surfExitCallbacks;
+std::vector<simgrid::kernel::resource::Model*> all_existing_models; /* to destroy models correctly */
+
+simgrid::kernel::profile::FutureEvtSet future_evt_set;
+std::vector<std::string> surf_path;
+/** set of hosts for which one want to be notified if they ever restart. */
+std::set<std::string> watched_hosts;
+extern std::map<std::string, simgrid::kernel::resource::StorageType*> storage_types;
+
+std::vector<surf_model_description_t>* surf_plugin_description = nullptr;
+
+static void XBT_ATTRIB_DESTRUCTOR(800) simgrid_free_plugin_description()
+{
+ delete surf_plugin_description;
+ surf_plugin_description = nullptr;
+}
+
+XBT_PUBLIC void simgrid_add_plugin_description(const char* name, const char* description, void_f_void_t init_fun)
+{
+ if (not surf_plugin_description)
+ surf_plugin_description = new std::vector<surf_model_description_t>;
+ surf_plugin_description->emplace_back(surf_model_description_t{name, description, init_fun});
+}
+
+/* Don't forget to update the option description in smx_config when you change this */
+const std::vector<surf_model_description_t> surf_network_model_description = {
+ {"LV08",
+ "Realistic network analytic model (slow-start modeled by multiplying latency by 13.01, bandwidth by .97; "
+ "bottleneck sharing uses a payload of S=20537 for evaluating RTT). ",
+ &surf_network_model_init_LegrandVelho},
+ {"Constant",
+ "Simplistic network model where all communication take a constant time (one second). This model "
+ "provides the lowest realism, but is (marginally) faster.",
+ &surf_network_model_init_Constant},
+ {"SMPI",
+ "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with "
+ "correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
+ &surf_network_model_init_SMPI},
+ {"IB", "Realistic network model specifically tailored for HPC settings, with Infiniband contention model",
+ &surf_network_model_init_IB},
+ {"CM02",
+ "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of "
+ "small messages are thus poorly modeled).",
+ &surf_network_model_init_CM02},
+ {"ns-3", "Network pseudo-model using the ns-3 tcp model instead of an analytic model",
+ &surf_network_model_init_NS3},
+};
+#if ! HAVE_SMPI
+void surf_network_model_init_SMPI() {
+ xbt_die("Please activate SMPI support in cmake to use the SMPI network model.");
}
+void surf_network_model_init_IB() {
+ xbt_die("Please activate SMPI support in cmake to use the IB network model.");
+}
+#endif
+#if !SIMGRID_HAVE_NS3
+void surf_network_model_init_NS3() {
+ xbt_die("Please activate ns-3 support in cmake and install the dependencies to use the NS3 network model.");
}
-
-s_surf_model_description_t surf_plugin_description[] = {
- {"Energy", "Cpu energy consumption.", sg_energy_plugin_init},
- {NULL, NULL, NULL} /* this array must be NULL terminated */
-};
-
-/* Don't forget to update the option description in smx_config when you change
- this */
-s_surf_model_description_t surf_network_model_description[] = {
- {"LV08",
- "Realistic network analytic model (slow-start modeled by multiplying latency by 10.4, bandwidth by .92; bottleneck sharing uses a payload of S=8775 for evaluating RTT). ",
- surf_network_model_init_LegrandVelho},
- {"Constant",
- "Simplistic network model where all communication take a constant time (one second). This model provides the lowest realism, but is (marginally) faster.",
- surf_network_model_init_Constant},
- {"SMPI",
- "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
- surf_network_model_init_SMPI},
- {"IB",
- "Realistic network model specifically tailored for HPC settings, with Infiniband contention model",
- surf_network_model_init_IB},
- {"CM02",
- "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of small messages are thus poorly modeled).",
- surf_network_model_init_CM02},
-#ifdef HAVE_NS3
- {"NS3",
- "Network pseudo-model using the NS3 tcp model instead of an analytic model",
- surf_network_model_init_NS3},
#endif
- {"Reno",
- "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
- surf_network_model_init_Reno},
- {"Reno2",
- "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
- surf_network_model_init_Reno2},
- {"Vegas",
- "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
- surf_network_model_init_Vegas},
- {NULL, NULL, NULL} /* this array must be NULL terminated */
-};
-s_surf_model_description_t surf_cpu_model_description[] = {
- {"Cas01",
- "Simplistic CPU model (time=size/power).",
- surf_cpu_model_init_Cas01},
- {NULL, NULL, NULL} /* this array must be NULL terminated */
+const std::vector<surf_model_description_t> surf_cpu_model_description = {
+ {"Cas01", "Simplistic CPU model (time=size/power).", &surf_cpu_model_init_Cas01},
};
-s_surf_model_description_t surf_host_model_description[] = {
- {"default",
- "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)",
- surf_host_model_init_current_default},
- {"compound",
- "Host model that is automatically chosen if you change the network and CPU models",
- surf_host_model_init_compound},
- {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks",
- surf_host_model_init_ptask_L07},
- {NULL, NULL, NULL} /* this array must be NULL terminated */
+const std::vector<surf_model_description_t> surf_host_model_description = {
+ {"default", "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)",
+ &surf_host_model_init_current_default},
+ {"compound", "Host model that is automatically chosen if you change the network and CPU models",
+ &surf_host_model_init_compound},
+ {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks",
+ &surf_host_model_init_ptask_L07},
};
-s_surf_model_description_t surf_vm_model_description[] = {
- {"default",
- "Default vm model.",
- surf_vm_model_init_HL13},
- {NULL, NULL, NULL} /* this array must be NULL terminated */
+const std::vector<surf_model_description_t> surf_optimization_mode_description = {
+ {"Lazy", "Lazy action management (partial invalidation in lmm + heap in action remaining).", nullptr},
+ {"TI", "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU "
+ "model for now).",
+ nullptr},
+ {"Full", "Full update of remaining and variables. Slow but may be useful when debugging.", nullptr},
};
-s_surf_model_description_t surf_optimization_mode_description[] = {
- {"Lazy",
- "Lazy action management (partial invalidation in lmm + heap in action remaining).",
- NULL},
- {"TI",
- "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU model for now).",
- NULL},
- {"Full",
- "Full update of remaining and variables. Slow but may be useful when debugging.",
- NULL},
- {NULL, NULL, NULL} /* this array must be NULL terminated */
+const std::vector<surf_model_description_t> surf_disk_model_description = {
+ {"default", "Simplistic disk model.", &surf_disk_model_init_default},
};
-s_surf_model_description_t surf_storage_model_description[] = {
- {"default",
- "Simplistic storage model.",
- surf_storage_model_init_default},
- {NULL, NULL, NULL} /* this array must be NULL terminated */
+const std::vector<surf_model_description_t> surf_storage_model_description = {
+ {"default", "Simplistic storage model.", &surf_storage_model_init_default},
};
-#ifdef CONTEXT_THREADS
-static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
-#endif
-
double NOW = 0;
-double surf_get_clock(void)
+double surf_get_clock()
{
return NOW;
}
-#ifdef _XBT_WIN32
-# define FILE_DELIM "\\"
-#else
-# define FILE_DELIM "/" /* FIXME: move to better location */
-#endif
-
-FILE *surf_fopen(const char *name, const char *mode)
-{
- unsigned int cpt;
- char *path_elm = NULL;
- char *buff;
- FILE *file = NULL;
-
- xbt_assert(name);
-
- if (__surf_is_absolute_file_path(name)) /* don't mess with absolute file names */
- return fopen(name, mode);
-
- /* search relative files in the path */
- xbt_dynar_foreach(surf_path, cpt, path_elm) {
- buff = bprintf("%s" FILE_DELIM "%s", path_elm, name);
- file = fopen(buff, mode);
- free(buff);
-
- if (file)
- return file;
- }
- return NULL;
-}
-
-#ifdef _XBT_WIN32
-#include <windows.h>
-#define MAX_DRIVE 26
-static const char *disk_drives_letter_table[MAX_DRIVE] = {
- "A:\\","B:\\","C:\\","D:\\","E:\\","F:\\","G:\\","H:\\","I:\\","J:\\","K:\\","L:\\","M:\\",
- "N:\\","O:\\","P:\\","Q:\\","R:\\","S:\\","T:\\","U:\\","V:\\","W:\\","X:\\","Y:\\","Z:\\"
-};
-#endif
-
-/*
- * Returns the initial path. On Windows the initial path is
- * the current directory for the current process in the other
- * case the function returns "./" that represents the current
- * directory on Unix/Linux platforms.
- */
-
-const char *__surf_get_initial_path(void)
-{
-
-#ifdef _XBT_WIN32
- unsigned i;
- char current_directory[MAX_PATH + 1] = { 0 };
- unsigned int len = GetCurrentDirectory(MAX_PATH + 1, current_directory);
- char root[4] = { 0 };
-
- if (!len)
- return NULL;
-
- strncpy(root, current_directory, 3);
-
- for (i = 0; i < MAX_DRIVE; i++) {
- if (toupper(root[0]) == disk_drives_letter_table[i][0])
- return disk_drives_letter_table[i];
- }
-
- return NULL;
-#else
- return "./";
-#endif
-}
-
-/* The __surf_is_absolute_file_path() returns 1 if
- * file_path is a absolute file path, in the other
- * case the function returns 0.
- */
-int __surf_is_absolute_file_path(const char *file_path)
+/* returns whether #file_path is a absolute file path. Surprising, isn't it ? */
+static bool is_absolute_file_path(const std::string& file_path)
{
-#ifdef _XBT_WIN32
- WIN32_FIND_DATA wfd = { 0 };
- HANDLE hFile = FindFirstFile(file_path, &wfd);
+#ifdef _WIN32
+ WIN32_FIND_DATA wfd = {0};
+ HANDLE hFile = FindFirstFile(file_path.c_str(), &wfd);
if (INVALID_HANDLE_VALUE == hFile)
- return 0;
+ return false;
FindClose(hFile);
- return 1;
+ return true;
#else
- return (file_path[0] == '/');
+ return (file_path.c_str()[0] == '/');
#endif
}
-/** Displays the long description of all registered models, and quit */
-void model_help(const char *category, s_surf_model_description_t * table)
+std::ifstream* surf_ifsopen(const std::string& name)
{
- int i;
- printf("Long description of the %s models accepted by this simulator:\n",
- category);
- for (i = 0; table[i].name; i++)
- printf(" %s: %s\n", table[i].name, table[i].description);
-}
+ xbt_assert(not name.empty());
-int find_model_description(s_surf_model_description_t * table,
- const char *name)
-{
- int i;
- char *name_list = NULL;
-
- for (i = 0; table[i].name; i++)
- if (!strcmp(name, table[i].name)) {
- return i;
- }
- if (!table[0].name)
- xbt_die("No model is valid! This is a bug.");
- name_list = xbt_strdup(table[0].name);
- for (i = 1; table[i].name; i++) {
- name_list = (char *) xbt_realloc(name_list, strlen(name_list) + strlen(table[i].name) + 3);
- strcat(name_list, ", ");
- strcat(name_list, table[i].name);
+ std::ifstream* fs = new std::ifstream();
+ if (is_absolute_file_path(name)) { /* don't mess with absolute file names */
+ fs->open(name.c_str(), std::ifstream::in);
}
- xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list);
- return -1;
-}
-static XBT_INLINE void routing_asr_prop_free(void *p)
-{
- //xbt_dict_t elm = (xbt_dict_t) p;
- //xbt_dict_free(&elm); FIXME: leaking in some case? That's a sometimes double-free with AsCluster::~AsCluster
-}
-
-static XBT_INLINE void surf_storage_free(void *r)
-{
- delete static_cast<simgrid::surf::Storage*>(r);
-}
+ /* search relative files in the path */
+ for (auto const& path_elm : surf_path) {
+ std::string buff = path_elm + "/" + name;
+ fs->open(buff.c_str(), std::ifstream::in);
-void sg_version_check(int lib_version_major,int lib_version_minor,int lib_version_patch) {
- if ((lib_version_major != SIMGRID_VERSION_MAJOR) || (lib_version_minor != SIMGRID_VERSION_MINOR)) {
- fprintf(stderr,
- "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
- "and then linked against SimGrid %d.%d.%d. Please fix this.\n",
- SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
- lib_version_major,lib_version_minor,lib_version_patch);
- abort();
- }
- if (lib_version_patch != SIMGRID_VERSION_PATCH) {
- fprintf(stderr,
- "Warning: Your program was compiled with SimGrid version %d.%d.%d, "
- "and then linked against SimGrid %d.%d.%d. Proceeding anyway.\n",
- SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
- lib_version_major,lib_version_minor,lib_version_patch);
+ if (not fs->fail()) {
+ XBT_DEBUG("Found file at %s", buff.c_str());
+ return fs;
}
-}
-
-void sg_version(int *ver_major,int *ver_minor,int *ver_patch) {
- *ver_major = SIMGRID_VERSION_MAJOR;
- *ver_minor = SIMGRID_VERSION_MINOR;
- *ver_patch = SIMGRID_VERSION_PATCH;
-}
-
-void surf_init(int *argc, char **argv)
-{
- XBT_DEBUG("Create all Libs");
- host_list = xbt_dict_new_homogeneous([](void*p) {
- delete (simgrid::Host*)p;
- });
- as_router_lib = xbt_lib_new();
- storage_lib = xbt_lib_new();
- storage_type_lib = xbt_lib_new();
- file_lib = xbt_lib_new();
- watched_hosts_lib = xbt_dict_new_homogeneous(NULL);
-
- sg_host_init();
-
- XBT_DEBUG("Add routing levels");
- ROUTING_PROP_ASR_LEVEL = xbt_lib_add_level(as_router_lib,routing_asr_prop_free);
-
- XBT_DEBUG("Add SURF levels");
- simgrid::surf::Host::init();
- SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_free);
-
- xbt_init(argc, argv);
- if (!all_existing_models)
- all_existing_models = xbt_dynar_new(sizeof(simgrid::surf::Model*), NULL);
- if (!model_list_invoke)
- model_list_invoke = xbt_dynar_new(sizeof(simgrid::surf::Model*), NULL);
- if (!history)
- history = tmgr_history_new();
-
- TRACE_add_start_function(TRACE_surf_alloc);
- TRACE_add_end_function(TRACE_surf_release);
-
- sg_config_init(argc, argv);
-
- if (MC_is_active())
- MC_memory_init();
-}
-
-void surf_exit(void)
-{
- unsigned int iter;
- simgrid::surf::Model *model = NULL;
-
- TRACE_end(); /* Just in case it was not called by the upper
- * layer (or there is no upper layer) */
-
- sg_config_finalize();
-
- xbt_dynar_free(&host_that_restart);
- xbt_dynar_free(&surf_path);
-
- xbt_dict_free(&host_list);
- xbt_lib_free(&as_router_lib);
- xbt_lib_free(&storage_lib);
- sg_link_exit();
- xbt_lib_free(&storage_type_lib);
- xbt_lib_free(&file_lib);
- xbt_dict_free(&watched_hosts_lib);
-
- xbt_dynar_foreach(all_existing_models, iter, model)
- delete model;
- xbt_dynar_free(&all_existing_models);
- xbt_dynar_free(&model_list_invoke);
- routing_exit();
-
- surf_callback_emit(simgrid::surf::surfExitCallbacks);
-
- if (maxmin_system) {
- lmm_system_free(maxmin_system);
- maxmin_system = NULL;
- }
- if (history) {
- tmgr_history_free(history);
- history = NULL;
}
-#ifdef CONTEXT_THREADS
- xbt_parmap_destroy(surf_parmap);
-#endif
-
- tmgr_finalize();
- surf_parse_lex_destroy();
- surf_parse_free_callbacks();
-
- NOW = 0; /* Just in case the user plans to restart the simulation afterward */
+ return fs;
}
-/*********
- * Model *
- *********/
-
-namespace simgrid {
-namespace surf {
-
-Model::Model()
- : p_maxminSystem(NULL)
+FILE* surf_fopen(const std::string& name, const char* mode)
{
- p_readyActionSet = new ActionList();
- p_runningActionSet = new ActionList();
- p_failedActionSet = new ActionList();
- p_doneActionSet = new ActionList();
-
- p_modifiedSet = NULL;
- p_actionHeap = NULL;
- p_updateMechanism = UM_UNDEFINED;
- m_selectiveUpdate = 0;
-}
+ FILE *file = nullptr;
-Model::~Model(){
- delete p_readyActionSet;
- delete p_runningActionSet;
- delete p_failedActionSet;
- delete p_doneActionSet;
-}
+ if (is_absolute_file_path(name)) /* don't mess with absolute file names */
+ return fopen(name.c_str(), mode);
-double Model::shareResources(double now)
-{
- //FIXME: set the good function once and for all
- if (p_updateMechanism == UM_LAZY)
- return shareResourcesLazy(now);
- else if (p_updateMechanism == UM_FULL)
- return shareResourcesFull(now);
- else
- xbt_die("Invalid cpu update mechanism!");
-}
-
-double Model::shareResourcesLazy(double now)
-{
- Action *action = NULL;
- double min = -1;
- double share;
-
- XBT_DEBUG
- ("Before share resources, the size of modified actions set is %zd",
- p_modifiedSet->size());
-
- lmm_solve(p_maxminSystem);
-
- XBT_DEBUG
- ("After share resources, The size of modified actions set is %zd",
- p_modifiedSet->size());
-
- while(!p_modifiedSet->empty()) {
- action = &(p_modifiedSet->front());
- p_modifiedSet->pop_front();
- int max_dur_flag = 0;
-
- if (action->getStateSet() != p_runningActionSet)
- continue;
-
- /* bogus priority, skip it */
- if (action->getPriority() <= 0 || action->getHat()==LATENCY)
- continue;
-
- action->updateRemainingLazy(now);
-
- min = -1;
- share = lmm_variable_getvalue(action->getVariable());
-
- if (share > 0) {
- double time_to_completion;
- if (action->getRemains() > 0) {
- time_to_completion = action->getRemainsNoUpdate() / share;
- } else {
- time_to_completion = 0.0;
- }
- min = now + time_to_completion; // when the task will complete if nothing changes
- }
-
- if ((action->getMaxDuration() != NO_MAX_DURATION)
- && (min == -1
- || action->getStartTime() +
- action->getMaxDuration() < min)) {
- min = action->getStartTime() +
- action->getMaxDuration(); // when the task will complete anyway because of the deadline if any
- max_dur_flag = 1;
- }
-
-
- XBT_DEBUG("Action(%p) corresponds to variable %d", action, action->getVariable()->id_int);
-
- XBT_DEBUG("Action(%p) Start %f. May finish at %f (got a share of %f). Max_duration %f", action,
- action->getStartTime(), min, share,
- action->getMaxDuration());
-
- if (min != -1) {
- action->heapUpdate(p_actionHeap, min, max_dur_flag ? MAX_DURATION : NORMAL);
- XBT_DEBUG("Insert at heap action(%p) min %f now %f", action, min,
- now);
- } else DIE_IMPOSSIBLE;
- }
-
- //hereafter must have already the min value for this resource model
- if (xbt_heap_size(p_actionHeap) > 0)
- min = xbt_heap_maxkey(p_actionHeap) - now;
- else
- min = -1;
-
- XBT_DEBUG("The minimum with the HEAP %f", min);
-
- return min;
-}
-
-double Model::shareResourcesFull(double /*now*/) {
- THROW_UNIMPLEMENTED;
-}
-
-double Model::shareResourcesMaxMin(ActionList *running_actions,
- lmm_system_t sys,
- void (*solve) (lmm_system_t))
-{
- Action *action = NULL;
- double min = -1;
- double value = -1;
-
- solve(sys);
-
- ActionList::iterator it(running_actions->begin()), itend(running_actions->end());
- for(; it != itend ; ++it) {
- action = &*it;
- value = lmm_variable_getvalue(action->getVariable());
- if ((value > 0) || (action->getMaxDuration() >= 0))
- break;
- }
+ /* search relative files in the path */
+ for (auto const& path_elm : surf_path) {
+ std::string buff = path_elm + "/" + name;
+ file = fopen(buff.c_str(), mode);
- if (!action)
- return -1.0;
-
- if (value > 0) {
- if (action->getRemains() > 0)
- min = action->getRemainsNoUpdate() / value;
- else
- min = 0.0;
- if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min))
- min = action->getMaxDuration();
- } else
- min = action->getMaxDuration();
-
-
- for (++it; it != itend; ++it) {
- action = &*it;
- value = lmm_variable_getvalue(action->getVariable());
- if (value > 0) {
- if (action->getRemains() > 0)
- value = action->getRemainsNoUpdate() / value;
- else
- value = 0.0;
- if (value < min) {
- min = value;
- XBT_DEBUG("Updating min (value) with %p: %f", action, min);
- }
- }
- if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min)) {
- min = action->getMaxDuration();
- XBT_DEBUG("Updating min (duration) with %p: %f", action, min);
- }
+ if (file)
+ return file;
}
- XBT_DEBUG("min value : %f", min);
-
- return min;
+ return nullptr;
}
-void Model::updateActionsState(double now, double delta)
-{
- if (p_updateMechanism == UM_FULL)
- updateActionsStateFull(now, delta);
- else if (p_updateMechanism == UM_LAZY)
- updateActionsStateLazy(now, delta);
- else
- xbt_die("Invalid cpu update mechanism!");
-}
-
-void Model::updateActionsStateLazy(double /*now*/, double /*delta*/)
+/** Displays the long description of all registered models, and quit */
+void model_help(const char* category, const std::vector<surf_model_description_t>& table)
{
- THROW_UNIMPLEMENTED;
+ XBT_HELP("Long description of the %s models accepted by this simulator:", category);
+ for (auto const& item : table)
+ XBT_HELP(" %s: %s", item.name, item.description);
}
-void Model::updateActionsStateFull(double /*now*/, double /*delta*/)
+int find_model_description(const std::vector<surf_model_description_t>& table, const std::string& name)
{
- THROW_UNIMPLEMENTED;
-}
+ auto pos = std::find_if(table.begin(), table.end(),
+ [&name](const surf_model_description_t& item) { return item.name == name; });
+ if (pos != table.end())
+ return std::distance(table.begin(), pos);
-}
-}
+ if (table.empty())
+ xbt_die("No model is valid! This is a bug.");
-/************
- * Resource *
- ************/
-
-namespace simgrid {
-namespace surf {
-
-Resource::Resource()
-: p_name(NULL), p_model(NULL)
-{}
-
-Resource::Resource(Model *model, const char *name)
- : Resource(model, name, SURF_RESOURCE_ON)
-{}
-
-Resource::Resource(Model *model, const char *name, lmm_constraint_t constraint)
- : Resource(model, name, constraint, SURF_RESOURCE_ON)
-{}
-
-Resource::Resource(
- Model *model, const char *name,
- lmm_constraint_t constraint, e_surf_resource_state_t stateInit)
- : p_name(xbt_strdup(name)), p_model(model)
- , m_running(true), m_stateCurrent(stateInit), p_constraint(constraint)
-{}
-
-Resource::Resource(Model *model, const char *name, e_surf_resource_state_t stateInit)
- : p_name(xbt_strdup(name)), p_model(model)
- , m_running(true), m_stateCurrent(stateInit)
-{}
-
-/** Cleanup code of the full object.
- *
- * The destructed callbacks might need to have a fully
- * created `Cpu` instance so they cannot be called `~Cpu()`
- * (at this point the fields of the parents have been destroyed
- * and the virtual methods are the ones of `Cpu`). If a `Cpu`
- * subclass overrides any virtual method, it should call this
- * method at the beginning of the destructor in order to trigger
- * the callbacks in the real state of the Cpu.
- *
- * Once the method has been called once, it becomes a noop ensuring
- * that the callbacks are not for each class of the hierarchy.
- *
- * A better solution would be to call a `Cpu::destroy()` method
- * before calling the destructor and trigger the callbacks here.
- */
-void Resource::die()
-{
- if (alive_) {
- onDie();
- alive_ = false;
+ std::string sep;
+ std::string name_list;
+ for (auto const& item : table) {
+ name_list += sep + item.name;
+ sep = ", ";
}
-}
-
-void Resource::onDie() {}
-Resource::~Resource() {
- this->die();
- xbt_free((void*)p_name);
-}
-
-e_surf_resource_state_t Resource::getState()
-{
- return m_stateCurrent;
-}
-
-void Resource::setState(e_surf_resource_state_t state)
-{
- m_stateCurrent = state;
-}
-
-bool Resource::isOn()
-{
- return m_running;
+ xbt_die("Model '%s' is invalid! Valid models are: %s.", name.c_str(), name_list.c_str());
+ return -1;
}
-void Resource::turnOn()
+void sg_version_check(int lib_version_major, int lib_version_minor, int lib_version_patch)
{
- if (!m_running) {
- m_running = true;
+ if ((lib_version_major != SIMGRID_VERSION_MAJOR) || (lib_version_minor != SIMGRID_VERSION_MINOR)) {
+ fprintf(stderr, "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
+ "and then linked against SimGrid %d.%d.%d. Please fix this.\n",
+ lib_version_major, lib_version_minor, lib_version_patch, SIMGRID_VERSION_MAJOR, SIMGRID_VERSION_MINOR,
+ SIMGRID_VERSION_PATCH);
+ abort();
}
-}
-
-void Resource::turnOff()
-{
- if (m_running) {
- m_running = false;
+ if (lib_version_patch != SIMGRID_VERSION_PATCH) {
+ if (SIMGRID_VERSION_PATCH > 89 || lib_version_patch > 89) {
+ fprintf(
+ stderr,
+ "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
+ "and then linked against SimGrid %d.%d.%d. \n"
+ "One of them is a development version, and should not be mixed with the stable release. Please fix this.\n",
+ lib_version_major, lib_version_minor, lib_version_patch, SIMGRID_VERSION_MAJOR, SIMGRID_VERSION_MINOR,
+ SIMGRID_VERSION_PATCH);
+ abort();
+ }
+ fprintf(stderr, "Warning: Your program was compiled with SimGrid version %d.%d.%d, "
+ "and then linked against SimGrid %d.%d.%d. Proceeding anyway.\n",
+ lib_version_major, lib_version_minor, lib_version_patch, SIMGRID_VERSION_MAJOR, SIMGRID_VERSION_MINOR,
+ SIMGRID_VERSION_PATCH);
}
}
-Model *Resource::getModel() {
- return p_model;
-}
-
-const char *Resource::getName() {
- return p_name;
-}
-
-lmm_constraint_t Resource::getConstraint() {
- return p_constraint;
-}
-
-}
-}
-
-/**********
- * Action *
- **********/
-
-const char *surf_action_state_names[6] = {
- "SURF_ACTION_READY",
- "SURF_ACTION_RUNNING",
- "SURF_ACTION_FAILED",
- "SURF_ACTION_DONE",
- "SURF_ACTION_TO_FREE",
- "SURF_ACTION_NOT_IN_THE_SYSTEM"
-};
-
-/* added to manage the communication action's heap */
-void surf_action_lmm_update_index_heap(void *action, int i) {
- static_cast<simgrid::surf::Action*>(action)->updateIndexHeap(i);
-}
-
-namespace simgrid {
-namespace surf {
-
-void Action::initialize(simgrid::surf::Model *model, double cost, bool failed,
- lmm_variable_t var)
-{
- m_priority = 1.0;
- m_refcount = 1;
- m_remains = cost;
- m_maxDuration = NO_MAX_DURATION;
- m_finish = -1.0;
- m_start = surf_get_clock();
- m_cost = cost;
- p_model = model;
- p_data = NULL;
- p_variable = var;
- m_lastValue = 0;
- m_lastUpdate = 0;
- m_suspended = false;
- m_hat = NOTSET;
- p_category = NULL;
- p_stateHookup.prev = 0;
- p_stateHookup.next = 0;
- if (failed)
- p_stateSet = getModel()->getFailedActionSet();
- else
- p_stateSet = getModel()->getRunningActionSet();
-
- p_stateSet->push_back(*this);
-}
-
-Action::Action(simgrid::surf::Model *model, double cost, bool failed)
-{
- initialize(model, cost, failed);
-}
-
-Action::Action(simgrid::surf::Model *model, double cost, bool failed, lmm_variable_t var)
-{
- initialize(model, cost, failed, var);
-}
-
-Action::~Action() {
- xbt_free(p_category);
-}
-
-void Action::finish() {
- m_finish = surf_get_clock();
-}
-
-e_surf_action_state_t Action::getState()
-{
- if (p_stateSet == getModel()->getReadyActionSet())
- return SURF_ACTION_READY;
- if (p_stateSet == getModel()->getRunningActionSet())
- return SURF_ACTION_RUNNING;
- if (p_stateSet == getModel()->getFailedActionSet())
- return SURF_ACTION_FAILED;
- if (p_stateSet == getModel()->getDoneActionSet())
- return SURF_ACTION_DONE;
- return SURF_ACTION_NOT_IN_THE_SYSTEM;
-}
-
-void Action::setState(e_surf_action_state_t state)
-{
- //surf_action_state_t action_state = &(action->model_type->states);
- XBT_IN("(%p,%s)", this, surf_action_state_names[state]);
- p_stateSet->erase(p_stateSet->iterator_to(*this));
- if (state == SURF_ACTION_READY)
- p_stateSet = getModel()->getReadyActionSet();
- else if (state == SURF_ACTION_RUNNING)
- p_stateSet = getModel()->getRunningActionSet();
- else if (state == SURF_ACTION_FAILED)
- p_stateSet = getModel()->getFailedActionSet();
- else if (state == SURF_ACTION_DONE)
- p_stateSet = getModel()->getDoneActionSet();
- else
- p_stateSet = NULL;
-
- if (p_stateSet)
- p_stateSet->push_back(*this);
- XBT_OUT();
-}
-
-double Action::getBound()
-{
- return (p_variable) ? lmm_variable_getbound(p_variable) : 0;
-}
-
-void Action::setBound(double bound)
-{
- XBT_IN("(%p,%g)", this, bound);
- if (p_variable)
- lmm_update_variable_bound(getModel()->getMaxminSystem(), p_variable, bound);
-
- if (getModel()->getUpdateMechanism() == UM_LAZY && getLastUpdate()!=surf_get_clock())
- heapRemove(getModel()->getActionHeap());
- XBT_OUT();
-}
-
-double Action::getStartTime()
-{
- return m_start;
-}
-
-double Action::getFinishTime()
+void sg_version_get(int* ver_major, int* ver_minor, int* ver_patch)
{
- /* keep the function behavior, some models (cpu_ti) change the finish time before the action end */
- return m_remains == 0 ? m_finish : -1;
-}
-
-void Action::setData(void* data)
-{
- p_data = data;
-}
-
-void Action::setCategory(const char *category)
-{
- XBT_IN("(%p,%s)", this, category);
- p_category = xbt_strdup(category);
- XBT_OUT();
-}
-
-void Action::ref(){
- m_refcount++;
-}
-
-void Action::setMaxDuration(double duration)
-{
- XBT_IN("(%p,%g)", this, duration);
- m_maxDuration = duration;
- if (getModel()->getUpdateMechanism() == UM_LAZY) // remove action from the heap
- heapRemove(getModel()->getActionHeap());
- XBT_OUT();
+ *ver_major = SIMGRID_VERSION_MAJOR;
+ *ver_minor = SIMGRID_VERSION_MINOR;
+ *ver_patch = SIMGRID_VERSION_PATCH;
}
-void Action::gapRemove() {}
-
-void Action::setPriority(double priority)
+void sg_version()
{
- XBT_IN("(%p,%g)", this, priority);
- m_priority = priority;
- lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), priority);
-
- if (getModel()->getUpdateMechanism() == UM_LAZY)
- heapRemove(getModel()->getActionHeap());
- XBT_OUT();
-}
+ XBT_HELP("This program was linked against %s (git: %s), found in %s.", SIMGRID_VERSION_STRING, SIMGRID_GIT_VERSION,
+ SIMGRID_INSTALL_PREFIX);
-void Action::cancel(){
- setState(SURF_ACTION_FAILED);
- if (getModel()->getUpdateMechanism() == UM_LAZY) {
- if (action_lmm_hook.is_linked())
- getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
- heapRemove(getModel()->getActionHeap());
- }
-}
+#if SIMGRID_HAVE_MC
+ XBT_HELP(" Model-checking support compiled in.");
+#else
+ XBT_HELP(" Model-checking support disabled at compilation.");
+#endif
-int Action::unref(){
- m_refcount--;
- if (!m_refcount) {
- if (action_hook.is_linked())
- p_stateSet->erase(p_stateSet->iterator_to(*this));
- if (getVariable())
- lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
- if (getModel()->getUpdateMechanism() == UM_LAZY) {
- /* remove from heap */
- heapRemove(getModel()->getActionHeap());
- if (action_lmm_hook.is_linked())
- getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
- }
- delete this;
- return 1;
- }
- return 0;
-}
+#if SIMGRID_HAVE_NS3
+ XBT_HELP(" ns-3 support compiled in.");
+#else
+ XBT_HELP(" ns-3 support disabled at compilation.");
+#endif
-void Action::suspend()
-{
- XBT_IN("(%p)", this);
- if (m_suspended != 2) {
- lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
- m_suspended = 1;
- if (getModel()->getUpdateMechanism() == UM_LAZY)
- heapRemove(getModel()->getActionHeap());
- }
- XBT_OUT();
-}
+#if SIMGRID_HAVE_JEDULE
+ XBT_HELP(" Jedule support compiled in.");
+#else
+ XBT_HELP(" Jedule support disabled at compilation.");
+#endif
-void Action::resume()
-{
- XBT_IN("(%p)", this);
- if (m_suspended != 2) {
- lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), m_priority);
- m_suspended = 0;
- if (getModel()->getUpdateMechanism() == UM_LAZY)
- heapRemove(getModel()->getActionHeap());
- }
- XBT_OUT();
-}
+#if SIMGRID_HAVE_LUA
+ XBT_HELP(" Lua support compiled in.");
+#else
+ XBT_HELP(" Lua support disabled at compilation.");
+#endif
-bool Action::isSuspended()
-{
- return m_suspended == 1;
-}
-/* insert action on heap using a given key and a hat (heap_action_type)
- * a hat can be of three types for communications:
- *
- * NORMAL = this is a normal heap entry stating the date to finish transmitting
- * LATENCY = this is a heap entry to warn us when the latency is payed
- * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached
- */
-void Action::heapInsert(xbt_heap_t heap, double key, enum heap_action_type hat)
-{
- m_hat = hat;
- xbt_heap_push(heap, this, key);
-}
+#if SIMGRID_HAVE_MALLOCATOR
+ XBT_HELP(" Mallocator support compiled in.");
+#else
+ XBT_HELP(" Mallocator support disabled at compilation.");
+#endif
-void Action::heapRemove(xbt_heap_t heap)
-{
- m_hat = NOTSET;
- if (m_indexHeap >= 0) {
- xbt_heap_remove(heap, m_indexHeap);
- }
+ XBT_HELP("\nTo cite SimGrid in a publication, please use:\n"
+ " Henri Casanova, Arnaud Giersch, Arnaud Legrand, Martin Quinson, Frédéric Suter. \n"
+ " Versatile, Scalable, and Accurate Simulation of Distributed Applications and Platforms. \n"
+ " Journal of Parallel and Distributed Computing, Elsevier, 2014, 74 (10), pp.2899-2917.\n"
+ "The pdf file and a BibTeX entry for LaTeX users can be found at http://hal.inria.fr/hal-01017319");
}
-void Action::heapUpdate(xbt_heap_t heap, double key, enum heap_action_type hat)
+void surf_init(int *argc, char **argv)
{
- m_hat = hat;
- if (m_indexHeap >= 0) {
- xbt_heap_update(heap, m_indexHeap, key);
- }else{
- xbt_heap_push(heap, this, key);
- }
-}
+ if (xbt_initialized > 0)
+ return;
-void Action::updateIndexHeap(int i) {
- m_indexHeap = i;
-}
+ xbt_init(argc, argv);
-double Action::getRemains()
-{
- XBT_IN("(%p)", this);
- /* update remains before return it */
- if (getModel()->getUpdateMechanism() == UM_LAZY) /* update remains before return it */
- updateRemainingLazy(surf_get_clock());
- XBT_OUT();
- return m_remains;
-}
+ sg_config_init(argc, argv);
-double Action::getRemainsNoUpdate()
-{
- return m_remains;
+ if (MC_is_active())
+ MC_memory_init();
}
-//FIXME split code in the right places
-void Action::updateRemainingLazy(double now)
+void surf_exit()
{
- double delta = 0.0;
-
- if(getModel() == surf_network_model)
- {
- if (m_suspended != 0)
- return;
- }
- else
- {
- xbt_assert(p_stateSet == getModel()->getRunningActionSet(),
- "You're updating an action that is not running.");
-
- /* bogus priority, skip it */
- xbt_assert(m_priority > 0,
- "You're updating an action that seems suspended.");
+ simgrid::s4u::Engine::shutdown();
+ for (auto const& e : storage_types) {
+ simgrid::kernel::resource::StorageType* stype = e.second;
+ delete stype->properties;
+ delete stype->model_properties;
+ delete stype;
}
- delta = now - m_lastUpdate;
-
- if (m_remains > 0) {
- XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, m_remains, m_lastUpdate);
- double_update(&m_remains, m_lastValue * delta, sg_surf_precision*sg_maxmin_precision);
-
- if (getModel() == surf_cpu_model_pm && TRACE_is_enabled()) {
- simgrid::surf::Resource *cpu = static_cast<simgrid::surf::Resource*>(
- lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0)));
- TRACE_surf_host_set_utilization(cpu->getName(), getCategory(), m_lastValue, m_lastUpdate, now - m_lastUpdate);
- }
- XBT_DEBUG("Updating action(%p): remains is now %f", this, m_remains);
- }
-
- if(getModel() == surf_network_model)
- {
- if (m_maxDuration != NO_MAX_DURATION)
- double_update(&m_maxDuration, delta, sg_surf_precision);
-
- //FIXME: duplicated code
- if ((m_remains <= 0) &&
- (lmm_get_variable_weight(getVariable()) > 0)) {
- finish();
- setState(SURF_ACTION_DONE);
- heapRemove(getModel()->getActionHeap());
- } else if (((m_maxDuration != NO_MAX_DURATION)
- && (m_maxDuration <= 0))) {
- finish();
- setState(SURF_ACTION_DONE);
- heapRemove(getModel()->getActionHeap());
- }
- }
+ for (auto const& model : all_existing_models)
+ delete model;
- m_lastUpdate = now;
- m_lastValue = lmm_variable_getvalue(getVariable());
-}
+ tmgr_finalize();
+ sg_platf_exit();
-}
+ NOW = 0; /* Just in case the user plans to restart the simulation afterward */
}
