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[simgrid.git] / src / surf / instr_routing.cpp
1 /* Copyright (c) 2010-2017. 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/instr/instr_private.hpp"
7
8 #include "simgrid/s4u/Engine.hpp"
9 #include "simgrid/s4u/Host.hpp"
10 #include "src/kernel/routing/NetZoneImpl.hpp"
11 #include "src/kernel/routing/NetPoint.hpp"
12 #include "src/surf/network_interface.hpp"
13 #include "src/surf/xml/platf_private.hpp"
14 #include "surf/surf.h"
15 #include "xbt/graph.h"
16
17 XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_routing, instr, "Tracing platform hierarchy");
18
19 static int platform_created = 0;            /* indicate whether the platform file has been traced */
20 static std::vector<container_t> currentContainer; /* push and pop, used only in creation */
21
22 static const char *instr_node_name (xbt_node_t node)
23 {
24   void *data = xbt_graph_node_get_data(node);
25   return static_cast<char*>(data);
26 }
27
28 static container_t lowestCommonAncestor (container_t a1, container_t a2)
29 {
30   //this is only an optimization (since most of a1 and a2 share the same parent)
31   if (a1->father_ == a2->father_)
32     return a1->father_;
33
34   //create an array with all ancestors of a1
35   std::vector<container_t> ancestors_a1;
36   container_t p = a1->father_;
37   while (p){
38     ancestors_a1.push_back(p);
39     p = p->father_;
40   }
41
42   //create an array with all ancestors of a2
43   std::vector<container_t> ancestors_a2;
44   p = a2->father_;
45   while (p){
46     ancestors_a2.push_back(p);
47     p = p->father_;
48   }
49
50   //find the lowest ancestor
51   p = nullptr;
52   int i = ancestors_a1.size() - 1;
53   int j = ancestors_a2.size() - 1;
54   while (i >= 0 && j >= 0){
55     container_t a1p = ancestors_a1.at(i);
56     container_t a2p = ancestors_a2.at(j);
57     if (a1p == a2p){
58       p = a1p;
59     }else{
60       break;
61     }
62     i--;
63     j--;
64   }
65   return p;
66 }
67
68 static void linkContainers(container_t src, container_t dst, std::set<std::string>* filter)
69 {
70   //ignore loopback
71   if (src->getName() == "__loopback__" || dst->getName() == "__loopback__") {
72     XBT_DEBUG ("  linkContainers: ignoring loopback link");
73     return;
74   }
75
76   //find common father
77   container_t father = lowestCommonAncestor (src, dst);
78   if (not father) {
79     xbt_die ("common father unknown, this is a tracing problem");
80   }
81
82   // check if we already register this pair (we only need one direction)
83   std::string aux1 = src->getName() + dst->getName();
84   std::string aux2 = dst->getName() + src->getName();
85   if (filter->find(aux1) != filter->end()) {
86     XBT_DEBUG("  linkContainers: already registered %s <-> %s (1)", src->getCname(), dst->getCname());
87     return;
88   }
89   if (filter->find(aux2) != filter->end()) {
90     XBT_DEBUG("  linkContainers: already registered %s <-> %s (2)", dst->getCname(), src->getCname());
91     return;
92   }
93
94   // ok, not found, register it
95   filter->insert(aux1);
96   filter->insert(aux2);
97
98   //declare type
99   std::string link_typename = father->type_->getName() + "-" + src->type_->getName() + src->type_->getId() + "-" +
100                               dst->type_->getName() + dst->type_->getId();
101   simgrid::instr::Type* link_type = father->type_->getOrCreateLinkType(link_typename, src->type_, dst->type_);
102
103   //register EDGE types for triva configuration
104   trivaEdgeTypes.insert(link_type->getName());
105
106   //create the link
107   static long long counter = 0;
108
109   std::string key = std::to_string(counter);
110   counter++;
111
112   new simgrid::instr::StartLinkEvent(SIMIX_get_clock(), father, link_type, src, "topology", key);
113   new simgrid::instr::EndLinkEvent(SIMIX_get_clock(), father, link_type, dst, "topology", key);
114
115   XBT_DEBUG("  linkContainers %s <-> %s", src->getCname(), dst->getCname());
116 }
117
118 static void recursiveGraphExtraction(simgrid::s4u::NetZone* netzone, container_t container,
119                                      std::set<std::string>* filter)
120 {
121   if (not TRACE_platform_topology()) {
122     XBT_DEBUG("Graph extraction disabled by user.");
123     return;
124   }
125   XBT_DEBUG("Graph extraction for NetZone = %s", netzone->getCname());
126   if (not netzone->getChildren()->empty()) {
127     //bottom-up recursion
128     for (auto const& nz_son : *netzone->getChildren()) {
129       container_t child_container = container->children_.at(nz_son->getCname());
130       recursiveGraphExtraction(nz_son, child_container, filter);
131     }
132   }
133
134   xbt_graph_t graph = xbt_graph_new_graph (0, nullptr);
135   std::map<std::string, xbt_node_t>* nodes = new std::map<std::string, xbt_node_t>;
136   std::map<std::string, xbt_edge_t>* edges = new std::map<std::string, xbt_edge_t>;
137
138   static_cast<simgrid::kernel::routing::NetZoneImpl*>(netzone)->getGraph(graph, nodes, edges);
139   for (auto elm : *edges) {
140     xbt_edge_t edge = elm.second;
141     linkContainers(simgrid::instr::Container::byName(static_cast<const char*>(edge->src->data)),
142                    simgrid::instr::Container::byName(static_cast<const char*>(edge->dst->data)), filter);
143   }
144   delete nodes;
145   delete edges;
146   xbt_graph_free_graph(graph, xbt_free_f, xbt_free_f, nullptr);
147 }
148
149 /*
150  * Callbacks
151  */
152 static void sg_instr_AS_begin(simgrid::s4u::NetZone& netzone)
153 {
154   std::string id = netzone.getName();
155
156   if (PJ_container_get_root() == nullptr){
157     container_t root = new simgrid::instr::Container(id, simgrid::instr::INSTR_AS, nullptr);
158     PJ_container_set_root (root);
159
160     if (TRACE_smpi_is_enabled()) {
161       simgrid::instr::Type* mpi = root->type_->getOrCreateContainerType("MPI");
162       if (not TRACE_smpi_is_grouped())
163         mpi->getOrCreateStateType("MPI_STATE");
164       simgrid::instr::Type::getRootType()->getOrCreateLinkType("MPI_LINK", mpi, mpi);
165     }
166
167     if (TRACE_needs_platform()){
168       currentContainer.push_back(root);
169     }
170     return;
171   }
172
173   if (TRACE_needs_platform()){
174     container_t father = currentContainer.back();
175     container_t container = new simgrid::instr::Container(id, simgrid::instr::INSTR_AS, father);
176     currentContainer.push_back(container);
177   }
178 }
179
180 static void sg_instr_AS_end(simgrid::s4u::NetZone& /*netzone*/)
181 {
182   if (TRACE_needs_platform()){
183     currentContainer.pop_back();
184   }
185 }
186
187 static void instr_routing_parse_start_link(simgrid::s4u::Link& link)
188 {
189   if (currentContainer.empty()) // No ongoing parsing. Are you creating the loopback?
190     return;
191
192   container_t father    = currentContainer.back();
193   container_t container = new simgrid::instr::Container(link.getName(), simgrid::instr::INSTR_LINK, father);
194
195   if ((TRACE_categorized() || TRACE_uncategorized() || TRACE_platform()) && (not TRACE_disable_link())) {
196     simgrid::instr::Type* bandwidth = container->type_->getOrCreateVariableType("bandwidth", "");
197     simgrid::instr::Type* latency   = container->type_->getOrCreateVariableType("latency", "");
198     new simgrid::instr::SetVariableEvent(0, container, bandwidth, link.bandwidth());
199     new simgrid::instr::SetVariableEvent(0, container, latency, link.latency());
200   }
201   if (TRACE_uncategorized()) {
202     container->type_->getOrCreateVariableType("bandwidth_used", "0.5 0.5 0.5");
203   }
204 }
205
206 static void sg_instr_new_host(simgrid::s4u::Host& host)
207 {
208   container_t father = currentContainer.back();
209   container_t container = new simgrid::instr::Container(host.getName(), simgrid::instr::INSTR_HOST, father);
210
211   if ((TRACE_categorized() || TRACE_uncategorized() || TRACE_platform()) && (not TRACE_disable_speed())) {
212     simgrid::instr::Type* speed = container->type_->getOrCreateVariableType("power", "");
213     new simgrid::instr::SetVariableEvent(0, container, speed, host.getSpeed());
214   }
215
216   if (TRACE_uncategorized())
217     container->type_->getOrCreateVariableType("power_used", "0.5 0.5 0.5");
218
219   if (TRACE_smpi_is_enabled() && TRACE_smpi_is_grouped())
220     container->type_->getOrCreateContainerType("MPI")->getOrCreateStateType("MPI_STATE");
221
222   if (TRACE_msg_process_is_enabled()) {
223     simgrid::instr::Type* msg_process = container->type_->getOrCreateContainerType("MSG_PROCESS");
224     simgrid::instr::Type* state       = msg_process->getOrCreateStateType("MSG_PROCESS_STATE");
225     state->addEntityValue("suspend", "1 0 1");
226     state->addEntityValue("sleep", "1 1 0");
227     state->addEntityValue("receive", "1 0 0");
228     state->addEntityValue("send", "0 0 1");
229     state->addEntityValue("task_execute", "0 1 1");
230     simgrid::instr::Type::getRootType()->getOrCreateLinkType("MSG_PROCESS_LINK", msg_process, msg_process);
231     simgrid::instr::Type::getRootType()->getOrCreateLinkType("MSG_PROCESS_TASK_LINK", msg_process, msg_process);
232   }
233
234   if (TRACE_msg_vm_is_enabled()) {
235     simgrid::instr::Type* msg_vm = container->type_->getOrCreateContainerType("MSG_VM");
236     simgrid::instr::Type* state  = msg_vm->getOrCreateStateType("MSG_VM_STATE");
237     state->addEntityValue("suspend", "1 0 1");
238     state->addEntityValue("sleep", "1 1 0");
239     state->addEntityValue("receive", "1 0 0");
240     state->addEntityValue("send", "0 0 1");
241     state->addEntityValue("task_execute", "0 1 1");
242     simgrid::instr::Type::getRootType()->getOrCreateLinkType("MSG_VM_LINK", msg_vm, msg_vm);
243     simgrid::instr::Type::getRootType()->getOrCreateLinkType("MSG_VM_PROCESS_LINK", msg_vm, msg_vm);
244   }
245 }
246
247 static void sg_instr_new_router(simgrid::kernel::routing::NetPoint * netpoint)
248 {
249   if (not netpoint->isRouter())
250     return;
251   if (TRACE_is_enabled() && TRACE_needs_platform())
252     new simgrid::instr::Container(netpoint->getCname(), simgrid::instr::INSTR_ROUTER, currentContainer.back());
253 }
254
255 static void instr_routing_parse_end_platform ()
256 {
257   currentContainer.clear();
258   std::set<std::string>* filter = new std::set<std::string>;
259   XBT_DEBUG ("Starting graph extraction.");
260   recursiveGraphExtraction(simgrid::s4u::Engine::getInstance()->getNetRoot(), PJ_container_get_root(), filter);
261   XBT_DEBUG ("Graph extraction finished.");
262   delete filter;
263   platform_created = 1;
264   TRACE_paje_dump_buffer(true);
265 }
266
267 void instr_routing_define_callbacks ()
268 {
269   // always need the callbacks to ASes (we need only the root AS), to create the rootContainer and the rootType properly
270   if (not TRACE_is_enabled())
271     return;
272   if (TRACE_needs_platform()) {
273     simgrid::s4u::Link::onCreation.connect(instr_routing_parse_start_link);
274     simgrid::s4u::onPlatformCreated.connect(instr_routing_parse_end_platform);
275     simgrid::s4u::Host::onCreation.connect(sg_instr_new_host);
276   }
277   simgrid::s4u::NetZone::onCreation.connect(sg_instr_AS_begin);
278   simgrid::s4u::NetZone::onSeal.connect(sg_instr_AS_end);
279   simgrid::kernel::routing::NetPoint::onCreation.connect(sg_instr_new_router);
280 }
281 /*
282  * user categories support
283  */
284 static void recursiveNewVariableType(std::string new_typename, std::string color, simgrid::instr::Type* root)
285 {
286   if (root->getName() == "HOST" || root->getName() == "MSG_VM")
287     root->getOrCreateVariableType(std::string("p") + new_typename, color);
288
289   if (root->getName() == "LINK")
290     root->getOrCreateVariableType(std::string("b") + new_typename, color);
291
292   for (auto elm : root->children_) {
293     recursiveNewVariableType(new_typename, color, elm.second);
294   }
295 }
296
297 void instr_new_variable_type(std::string new_typename, std::string color)
298 {
299   recursiveNewVariableType(new_typename, color, simgrid::instr::Type::getRootType());
300 }
301
302 static void recursiveNewUserVariableType(std::string father_type, std::string new_typename, std::string color,
303                                          simgrid::instr::Type* root)
304 {
305   if (root->getName() == father_type) {
306     root->getOrCreateVariableType(new_typename, color);
307   }
308   for (auto elm : root->children_)
309     recursiveNewUserVariableType(father_type, new_typename, color, elm.second);
310 }
311
312 void instr_new_user_variable_type(std::string father_type, std::string new_typename, std::string color)
313 {
314   recursiveNewUserVariableType(father_type, new_typename, color, simgrid::instr::Type::getRootType());
315 }
316
317 static void recursiveNewUserStateType(std::string father_type, std::string new_typename, simgrid::instr::Type* root)
318 {
319   if (root->getName() == father_type) {
320     root->getOrCreateStateType(new_typename);
321   }
322   for (auto elm : root->children_)
323     recursiveNewUserStateType(father_type, new_typename, elm.second);
324 }
325
326 void instr_new_user_state_type(std::string father_type, std::string new_typename)
327 {
328   recursiveNewUserStateType(father_type, new_typename, simgrid::instr::Type::getRootType());
329 }
330
331 static void recursiveNewValueForUserStateType(std::string type_name, const char* val, std::string color,
332                                               simgrid::instr::Type* root)
333 {
334   if (root->getName() == type_name)
335     root->addEntityValue(val, color);
336
337   for (auto elm : root->children_)
338     recursiveNewValueForUserStateType(type_name, val, color, elm.second);
339 }
340
341 void instr_new_value_for_user_state_type(std::string type_name, const char* value, std::string color)
342 {
343   recursiveNewValueForUserStateType(type_name, value, color, simgrid::instr::Type::getRootType());
344 }
345
346 int instr_platform_traced ()
347 {
348   return platform_created;
349 }
350
351 #define GRAPHICATOR_SUPPORT_FUNCTIONS
352
353 static void recursiveXBTGraphExtraction(xbt_graph_t graph, std::map<std::string, xbt_node_t>* nodes,
354                                         std::map<std::string, xbt_edge_t>* edges, sg_netzone_t netzone,
355                                         container_t container)
356 {
357   if (not netzone->getChildren()->empty()) {
358     //bottom-up recursion
359     for (auto const& netzone_child : *netzone->getChildren()) {
360       container_t child_container = container->children_.at(netzone_child->getCname());
361       recursiveXBTGraphExtraction(graph, nodes, edges, netzone_child, child_container);
362     }
363   }
364
365   static_cast<simgrid::kernel::routing::NetZoneImpl*>(netzone)->getGraph(graph, nodes, edges);
366 }
367
368 xbt_graph_t instr_routing_platform_graph ()
369 {
370   xbt_graph_t ret = xbt_graph_new_graph (0, nullptr);
371   std::map<std::string, xbt_node_t>* nodes = new std::map<std::string, xbt_node_t>;
372   std::map<std::string, xbt_edge_t>* edges = new std::map<std::string, xbt_edge_t>;
373   recursiveXBTGraphExtraction(ret, nodes, edges, simgrid::s4u::Engine::getInstance()->getNetRoot(),
374                               PJ_container_get_root());
375   delete nodes;
376   delete edges;
377   return ret;
378 }
379
380 void instr_routing_platform_graph_export_graphviz (xbt_graph_t g, const char *filename)
381 {
382   unsigned int cursor = 0;
383   xbt_node_t node = nullptr;
384   xbt_edge_t edge = nullptr;
385
386   FILE *file = fopen(filename, "w");
387   xbt_assert(file, "Failed to open %s \n", filename);
388
389   if (g->directed)
390     fprintf(file, "digraph test {\n");
391   else
392     fprintf(file, "graph test {\n");
393
394   fprintf(file, "  graph [overlap=scale]\n");
395
396   fprintf(file, "  node [shape=box, style=filled]\n");
397   fprintf(file, "  node [width=.3, height=.3, style=filled, color=skyblue]\n\n");
398
399   xbt_dynar_foreach(g->nodes, cursor, node) {
400     fprintf(file, "  \"%s\";\n", instr_node_name(node));
401   }
402   xbt_dynar_foreach(g->edges, cursor, edge) {
403     const char *src_s = instr_node_name (edge->src);
404     const char *dst_s = instr_node_name (edge->dst);
405     if (g->directed)
406       fprintf(file, "  \"%s\" -> \"%s\";\n", src_s, dst_s);
407     else
408       fprintf(file, "  \"%s\" -- \"%s\";\n", src_s, dst_s);
409   }
410   fprintf(file, "}\n");
411   fclose(file);
412 }