X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/914a96cd544e878a5c2513b800d2327f86ef9119..d3d4c51aace6f9daab7ee7bf664d9d56c81070f8:/src/simgrid/host.cpp diff --git a/src/simgrid/host.cpp b/src/simgrid/host.cpp index 5b709b4f27..a663adda6f 100644 --- a/src/simgrid/host.cpp +++ b/src/simgrid/host.cpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2013-2017. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2013-2018. 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. */ @@ -7,50 +7,23 @@ #include #include "simgrid/host.h" +#include "simgrid/s4u/Engine.hpp" #include "simgrid/s4u/Host.hpp" #include "xbt/Extendable.hpp" #include "xbt/dict.h" -#include "src/kernel/routing/NetPoint.hpp" +#include "simgrid/kernel/routing/NetPoint.hpp" #include "src/simix/smx_host_private.hpp" #include "src/surf/HostImpl.hpp" #include "src/surf/cpu_interface.hpp" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sg_host, sd, "Logging specific to sg_hosts"); -// FIXME: The following duplicates the content of s4u::Host -namespace simgrid { -namespace s4u { -extern std::map host_list; -} -} - extern "C" { -void sg_host_exit() -{ - /* copy all names to not modify the map while iterating over it. - * - * Plus, the hosts are destroyed in the lexicographic order to ensure - * that the output is reproducible: we don't want to kill them in the - * pointer order as it could be platform-dependent, which would break - * the tests. - */ - std::vector names = std::vector(); - for (auto const& kv : simgrid::s4u::host_list) - names.push_back(kv.second->getName()); - - std::sort(names.begin(), names.end()); - - for (auto const& name : names) - simgrid::s4u::host_list.at(name)->destroy(); - - // host_list.clear(); This would be sufficient if the dict would contain smart_ptr. It's now useless -} - size_t sg_host_count() { - return simgrid::s4u::host_list.size(); + return simgrid::s4u::Engine::getInstance()->getHostCount(); } /** @brief Returns the host list * @@ -64,7 +37,12 @@ size_t sg_host_count() */ sg_host_t *sg_host_list() { xbt_assert(sg_host_count() > 0, "There is no host!"); - return (sg_host_t*)xbt_dynar_to_array(sg_hosts_as_dynar()); + std::vector hosts = simgrid::s4u::Engine::getInstance()->getAllHosts(); + + sg_host_t* res = (sg_host_t*)malloc(sizeof(sg_host_t) * hosts.size()); + memcpy(res, hosts.data(), sizeof(sg_host_t) * hosts.size()); + + return res; } const char *sg_host_get_name(sg_host_t host) @@ -97,8 +75,9 @@ xbt_dynar_t sg_hosts_as_dynar() { xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),nullptr); - for (auto const& kv : simgrid::s4u::host_list) { - simgrid::s4u::Host* host = kv.second; + std::vector list = simgrid::s4u::Engine::getInstance()->getAllHosts(); + + for (auto const& host : list) { if (host && host->pimpl_netpoint && host->pimpl_netpoint->isHost()) xbt_dynar_push(res, &host); } @@ -150,6 +129,28 @@ double sg_host_speed(sg_host_t host) return host->getSpeed(); } +/** \brief Return the speed of the processor (in flop/s) at a given pstate. See also @ref plugin_energy. + * + * \param host host to test + * \param pstate_index pstate to test + * \return Returns the processor speed associated with pstate_index + */ +double sg_host_get_pstate_speed(sg_host_t host, int pstate_index) +{ + return host->getPstateSpeed(pstate_index); +} + +/** \ingroup m_host_management + * \brief Return the number of cores. + * + * \param host a host + * \return the number of cores + */ +int sg_host_core_count(sg_host_t host) +{ + return host->getCoreCount(); +} + double sg_host_get_available_speed(sg_host_t host) { return host->pimpl_cpu->getAvailableSpeed(); @@ -178,6 +179,55 @@ void sg_host_set_pstate(sg_host_t host,int pstate) { host->setPstate(pstate); } +/** \ingroup m_host_management + * + * \brief Start the host if it is off + * + * See also #sg_host_is_on() and #sg_host_is_off() to test the current state of the host and @ref plugin_energy + * for more info on DVFS. + */ +void sg_host_turn_on(sg_host_t host) +{ + host->turnOn(); +} + +/** \ingroup m_host_management + * + * \brief Stop the host if it is on + * + * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref plugin_energy + * for more info on DVFS. + */ +void sg_host_turn_off(sg_host_t host) +{ + host->turnOff(); +} + +/** @ingroup m_host_management + * @brief Determine if a host is up and running. + * + * See also #sg_host_turn_on() and #sg_host_turn_off() to switch the host ON and OFF and @ref plugin_energy for more + * info on DVFS. + * + * @param host host to test + * @return Returns true if the host is up and running, and false if it's currently down + */ +int sg_host_is_on(sg_host_t host) +{ + return host->isOn(); +} + +/** @ingroup m_host_management + * @brief Determine if a host is currently off. + * + * See also #sg_host_turn_on() and #sg_host_turn_off() to switch the host ON and OFF and @ref plugin_energy for more + * info on DVFS. + */ +int sg_host_is_off(sg_host_t host) +{ + return host->isOff(); +} + /** @brief Get the properties of an host */ xbt_dict_t sg_host_get_properties(sg_host_t host) { xbt_dict_t as_dict = xbt_dict_new_homogeneous(xbt_free_f); @@ -217,7 +267,7 @@ void sg_host_set_property_value(sg_host_t host, const char* name, const char* va void sg_host_route(sg_host_t from, sg_host_t to, xbt_dynar_t links) { std::vector vlinks; - from->routeTo(to, &vlinks, nullptr); + from->routeTo(to, vlinks, nullptr); for (auto const& link : vlinks) xbt_dynar_push(links, &link); } @@ -231,7 +281,7 @@ double sg_host_route_latency(sg_host_t from, sg_host_t to) { std::vector vlinks; double res = 0; - from->routeTo(to, &vlinks, &res); + from->routeTo(to, vlinks, &res); return res; } /** @@ -245,7 +295,7 @@ double sg_host_route_bandwidth(sg_host_t from, sg_host_t to) double min_bandwidth = -1.0; std::vector vlinks; - from->routeTo(to, &vlinks, nullptr); + from->routeTo(to, vlinks, nullptr); for (auto const& link : vlinks) { double bandwidth = link->bandwidth(); if (bandwidth < min_bandwidth || min_bandwidth < 0.0) @@ -270,4 +320,54 @@ void sg_host_dump(sg_host_t host) } } +/** \brief Return the list of actors attached to an host. + * + * \param host a host + * \param whereto a dynar in which we should push actors living on that host + */ +void sg_host_get_actor_list(sg_host_t host, xbt_dynar_t whereto) +{ + for (auto& actor : host->extension()->process_list) { + s4u_Actor* p = actor.ciface(); + xbt_dynar_push(whereto, &p); + } +} + +sg_host_t sg_host_self() +{ + smx_actor_t process = SIMIX_process_self(); + return (process == nullptr) ? nullptr : process->host; +} + +/* ************************** Backward ABI compatibility *************************** */ +xbt_dynar_t MSG_hosts_as_dynar() __attribute__((alias("sg_hosts_as_dynar"))); + +size_t MSG_get_host_number() __attribute__((alias("sg_host_count"))); +sg_host_t MSG_get_host_by_name(const char* name) __attribute__((alias("sg_host_by_name"))); +sg_host_t MSG_host_by_name(const char* name) __attribute__((alias("sg_host_by_name"))); + +const char* MSG_host_get_name(sg_host_t host) __attribute__((alias("sg_host_get_name"))); +void* MSG_host_get_data(sg_host_t host) __attribute__((alias("sg_host_user"))); +void MSG_host_set_data(sg_host_t host, void* data) __attribute__((alias("sg_host_user_set"))); +xbt_dict_t MSG_host_get_mounted_storage_list(sg_host_t host) __attribute__((alias("sg_host_get_mounted_storage_list"))); +xbt_dynar_t MSG_host_get_attached_storage_lists(sg_host_t host) + __attribute__((alias("sg_host_get_attached_storage_list"))); +double MSG_host_get_speed(sg_host_t host) __attribute__((alias("sg_host_speed"))); +double MSG_host_get_power_peak_at(sg_host_t host, int pstate_index) __attribute__((alias("sg_host_get_pstate_speed"))); +int MSG_host_get_core_number(sg_host_t host) __attribute__((alias("sg_host_core_count"))); +int MSG_host_get_nb_pstates(sg_host_t host) __attribute__((alias("sg_host_get_nb_pstates"))); +int MSG_host_get_pstate(sg_host_t host) __attribute__((alias("sg_host_get_pstate"))); +void MSG_host_set_pstate(sg_host_t host, int pstate) __attribute__((alias("sg_host_set_pstate"))); +void MSG_host_on(sg_host_t h) __attribute__((alias("sg_host_turn_on"))); +void MSG_host_off(sg_host_t h) __attribute__((alias("sg_host_turn_off"))); +int MSG_host_is_on(sg_host_t h) __attribute__((alias("sg_host_is_on"))); +int MSG_host_is_off(sg_host_t h) __attribute__((alias("sg_host_is_off"))); +xbt_dict_t MSG_host_get_properties(sg_host_t host) __attribute__((alias("sg_host_get_properties"))); +const char* MSG_host_get_property_value(sg_host_t host, const char* name) + __attribute__((alias("sg_host_get_property_value"))); +void MSG_host_set_property_value(sg_host_t host, const char* name, const char* value) + __attribute__((alias("sg_host_set_property_value"))); +void MSG_host_get_process_list(sg_host_t host, xbt_dynar_t whereto) __attribute__((alias("sg_host_get_actor_list"))); +sg_host_t MSG_host_self() __attribute__((alias("sg_host_self"))); + } // extern "C"