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Move SMPI config to smpi_config.cpp file.
[simgrid.git] / src / smpi / internals / smpi_actor.cpp
1 /* Copyright (c) 2009-2019. The SimGrid Team. All rights reserved.          */
2
3 /* This program is free software; you can redistribute it and/or modify it
4  * under the terms of the license (GNU LGPL) which comes with this package. */
5
6 #include "src/smpi/include/smpi_actor.hpp"
7 #include "mc/mc.h"
8 #include "smpi_comm.hpp"
9 #include "smpi_info.hpp"
10 #include "src/mc/mc_replay.hpp"
11 #include "src/simix/smx_private.hpp"
12
13 #if HAVE_PAPI
14 #include "papi.h"
15 extern std::string papi_default_config_name;
16 #endif
17
18 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_process, smpi, "Logging specific to SMPI (kernel)");
19
20 namespace simgrid {
21 namespace smpi {
22 simgrid::xbt::Extension<simgrid::s4u::Actor, ActorExt> ActorExt::EXTENSION_ID;
23
24 ActorExt::ActorExt(s4u::Actor* actor) : actor_(actor)
25 {
26   if (not simgrid::smpi::ActorExt::EXTENSION_ID.valid())
27     simgrid::smpi::ActorExt::EXTENSION_ID = simgrid::s4u::Actor::extension_create<simgrid::smpi::ActorExt>();
28
29   mailbox_         = s4u::Mailbox::by_name("SMPI-" + std::to_string(actor_->get_pid()));
30   mailbox_small_   = s4u::Mailbox::by_name("small-" + std::to_string(actor_->get_pid()));
31   mailboxes_mutex_ = s4u::Mutex::create();
32   timer_           = xbt_os_timer_new();
33   state_           = SmpiProcessState::UNINITIALIZED;
34   info_env_        = MPI_INFO_NULL;
35   if (MC_is_active())
36     MC_ignore_heap(timer_, xbt_os_timer_size());
37
38 #if HAVE_PAPI
39   if (not smpi_cfg_papi_events_file().empty()) {
40     // TODO: Implement host/process/thread based counters. This implementation
41     // just always takes the values passed via "default", like this:
42     // "default:COUNTER1:COUNTER2:COUNTER3;".
43     auto it = units2papi_setup.find(papi_default_config_name);
44     if (it != units2papi_setup.end()) {
45       papi_event_set_    = it->second.event_set;
46       papi_counter_data_ = it->second.counter_data;
47       XBT_DEBUG("Setting PAPI set for process %li", actor->get_pid());
48     } else {
49       papi_event_set_ = PAPI_NULL;
50       XBT_DEBUG("No PAPI set for process %li", actor->get_pid());
51     }
52   }
53 #endif
54 }
55
56 ActorExt::~ActorExt()
57 {
58   if (comm_self_ != MPI_COMM_NULL)
59     simgrid::smpi::Comm::destroy(comm_self_);
60   if (comm_intra_ != MPI_COMM_NULL)
61     simgrid::smpi::Comm::destroy(comm_intra_);
62   xbt_os_timer_free(timer_);
63 }
64
65 /** @brief Prepares the current process for termination. */
66 void ActorExt::finalize()
67 {
68   state_ = SmpiProcessState::FINALIZED;
69   XBT_DEBUG("<%ld> Process left the game", actor_->get_pid());
70
71   smpi_deployment_unregister_process(instance_id_);
72 }
73
74 /** @brief Check if a process is finalized */
75 int ActorExt::finalized()
76 {
77   return (state_ == SmpiProcessState::FINALIZED);
78 }
79
80 /** @brief Check if a process is partially initialized already */
81 int ActorExt::initializing()
82 {
83   return (state_ == SmpiProcessState::INITIALIZING);
84 }
85
86 /** @brief Check if a process is initialized */
87 int ActorExt::initialized()
88 {
89   // TODO cheinrich: Check if we still need this. This should be a global condition, not for a
90   // single process ... ?
91   return (state_ == SmpiProcessState::INITIALIZED);
92 }
93
94 /** @brief Mark a process as initialized (=MPI_Init called) */
95 void ActorExt::mark_as_initialized()
96 {
97   if (state_ != SmpiProcessState::FINALIZED)
98     state_ = SmpiProcessState::INITIALIZED;
99 }
100
101 void ActorExt::set_replaying(bool value)
102 {
103   if (state_ != SmpiProcessState::FINALIZED)
104     replaying_ = value;
105 }
106
107 bool ActorExt::replaying()
108 {
109   return replaying_;
110 }
111
112 s4u::ActorPtr ActorExt::get_actor()
113 {
114   return actor_;
115 }
116
117 /**
118  * @brief Returns a structure that stores the location (filename + linenumber) of the last calls to MPI_* functions.
119  *
120  * @see smpi_trace_set_call_location
121  */
122 smpi_trace_call_location_t* ActorExt::call_location()
123 {
124   return &trace_call_loc_;
125 }
126
127 void ActorExt::set_privatized_region(smpi_privatization_region_t region)
128 {
129   privatized_region_ = region;
130 }
131
132 smpi_privatization_region_t ActorExt::privatized_region()
133 {
134   return privatized_region_;
135 }
136
137 MPI_Comm ActorExt::comm_world()
138 {
139   return comm_world_ == nullptr ? MPI_COMM_NULL : *comm_world_;
140 }
141
142 s4u::MutexPtr ActorExt::mailboxes_mutex()
143 {
144   return mailboxes_mutex_;
145 }
146
147 #if HAVE_PAPI
148 int ActorExt::papi_event_set()
149 {
150   return papi_event_set_;
151 }
152
153 papi_counter_t& ActorExt::papi_counters()
154 {
155   return papi_counter_data_;
156 }
157 #endif
158
159 xbt_os_timer_t ActorExt::timer()
160 {
161   return timer_;
162 }
163
164 void ActorExt::simulated_start()
165 {
166   simulated_ = SIMIX_get_clock();
167 }
168
169 double ActorExt::simulated_elapsed()
170 {
171   return SIMIX_get_clock() - simulated_;
172 }
173
174 MPI_Comm ActorExt::comm_self()
175 {
176   if (comm_self_ == MPI_COMM_NULL) {
177     MPI_Group group = new Group(1);
178     comm_self_      = new Comm(group, nullptr);
179     group->set_mapping(actor_, 0);
180   }
181   return comm_self_;
182 }
183
184 MPI_Info ActorExt::info_env()
185 {
186   if (info_env_==MPI_INFO_NULL)
187     info_env_=new Info();
188   return info_env_;
189 }
190
191 MPI_Comm ActorExt::comm_intra()
192 {
193   return comm_intra_;
194 }
195
196 void ActorExt::set_comm_intra(MPI_Comm comm)
197 {
198   comm_intra_ = comm;
199 }
200
201 void ActorExt::set_sampling(int s)
202 {
203   sampling_ = s;
204 }
205
206 int ActorExt::sampling()
207 {
208   return sampling_;
209 }
210
211 void ActorExt::init()
212 {
213   xbt_assert(smpi_get_universe_size() != 0, "SimGrid was not initialized properly before entering MPI_Init. "
214                                             "Aborting, please check compilation process and use smpirun.");
215
216   simgrid::s4u::Actor* self = simgrid::s4u::Actor::self();
217   // cheinrich: I'm not sure what the impact of the SMPI_switch_data_segment on this call is. I moved
218   // this up here so that I can set the privatized region before the switch.
219   ActorExt* ext = smpi_process();
220   // if we are in MPI_Init and argc handling has already been done.
221   if (ext->initialized())
222     return;
223
224   if (smpi_cfg_privatization() == SmpiPrivStrategies::MMAP) {
225     /* Now using the segment index of this process  */
226     ext->set_privatized_region(smpi_init_global_memory_segment_process());
227     /* Done at the process's creation */
228     SMPI_switch_data_segment(self);
229   }
230
231   ext->instance_id_ = self->get_property("instance_id");
232   const int rank    = xbt_str_parse_int(self->get_property("rank"), "Cannot parse rank");
233
234   ext->state_ = SmpiProcessState::INITIALIZING;
235   smpi_deployment_register_process(ext->instance_id_, rank, self);
236
237   ext->comm_world_ = smpi_deployment_comm_world(ext->instance_id_);
238
239   // set the process attached to the mailbox
240   ext->mailbox_small_->set_receiver(ext->actor_);
241   XBT_DEBUG("<%ld> SMPI process has been initialized: %p", ext->actor_->get_pid(), ext->actor_);
242 }
243
244 int ActorExt::get_optind()
245 {
246   return optind_;
247 }
248
249 void ActorExt::set_optind(int new_optind)
250 {
251   optind_ = new_optind;
252 }
253
254 void ActorExt::bsend_buffer(void** buf, int* size)
255 {
256   *buf  = bsend_buffer_;
257   *size = bsend_buffer_size_;
258 }
259
260 void ActorExt::set_bsend_buffer(void* buf, int size)
261 {
262   bsend_buffer_     = buf;
263   bsend_buffer_size_= size;
264 }
265
266 } // namespace smpi
267 } // namespace simgrid