1 /* Copyright (c) 2010-2017. The SimGrid Team. All rights reserved. */
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. */
6 #include "src/instr/instr_private.hpp"
11 XBT_LOG_NEW_CATEGORY(instr, "Logging the behavior of the tracing system (used for Visualization/Analysis of simulations)");
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_config, instr, "Configuration");
14 #define OPT_TRACING_BASIC "tracing/basic"
15 #define OPT_TRACING_BUFFER "tracing/buffer"
16 #define OPT_TRACING_CATEGORIZED "tracing/categorized"
17 #define OPT_TRACING_COMMENT_FILE "tracing/comment-file"
18 #define OPT_TRACING_COMMENT "tracing/comment"
19 #define OPT_TRACING_DISABLE_DESTROY "tracing/disable-destroy"
20 #define OPT_TRACING_DISABLE_LINK "tracing/disable-link"
21 #define OPT_TRACING_DISABLE_POWER "tracing/disable-power"
22 #define OPT_TRACING_DISPLAY_SIZES "tracing/smpi/display-sizes"
23 #define OPT_TRACING_FILENAME "tracing/filename"
24 #define OPT_TRACING_FORMAT_TI_ONEFILE "tracing/smpi/format/ti-one-file"
25 #define OPT_TRACING_FORMAT "tracing/smpi/format"
26 #define OPT_TRACING_MSG_PROCESS "tracing/msg/process"
27 #define OPT_TRACING_MSG_VM "tracing/msg/vm"
28 #define OPT_TRACING_ONELINK_ONLY "tracing/onelink-only"
29 #define OPT_TRACING_PLATFORM "tracing/platform"
30 #define OPT_TRACING_PRECISION "tracing/precision"
31 #define OPT_TRACING_SMPI_COMPUTING "tracing/smpi/computing"
32 #define OPT_TRACING_SMPI_GROUP "tracing/smpi/group"
33 #define OPT_TRACING_SMPI_INTERNALS "tracing/smpi/internals"
34 #define OPT_TRACING_SMPI_SLEEPING "tracing/smpi/sleeping"
35 #define OPT_TRACING_SMPI "tracing/smpi"
36 #define OPT_TRACING_TOPOLOGY "tracing/platform/topology"
37 #define OPT_TRACING "tracing"
38 #define OPT_TRACING_UNCATEGORIZED "tracing/uncategorized"
39 #define OPT_VIVA_CAT_CONF "viva/categorized"
40 #define OPT_VIVA_UNCAT_CONF "viva/uncategorized"
42 static bool trace_enabled = false;
43 static bool trace_platform;
44 static bool trace_platform_topology;
45 static bool trace_smpi_enabled;
46 static bool trace_smpi_grouped;
47 static bool trace_smpi_computing;
48 static bool trace_smpi_sleeping;
49 static bool trace_view_internals;
50 static bool trace_categorized;
51 static bool trace_uncategorized;
52 static bool trace_msg_process_enabled;
53 static bool trace_msg_vm_enabled;
54 static bool trace_buffer;
55 static bool trace_onelink_only;
56 static bool trace_disable_destroy;
57 static bool trace_basic;
58 static bool trace_display_sizes = false;
59 static bool trace_disable_link;
60 static bool trace_disable_power;
61 static int trace_precision;
63 static bool trace_configured = false;
64 static bool trace_active = false;
66 static simgrid::instr::Type* rootType = nullptr; /* the root type */
68 instr_fmt_type_t instr_fmt_type = instr_fmt_paje;
70 static void TRACE_getopts()
72 trace_enabled = xbt_cfg_get_boolean(OPT_TRACING);
73 trace_platform = xbt_cfg_get_boolean(OPT_TRACING_PLATFORM);
74 trace_platform_topology = xbt_cfg_get_boolean(OPT_TRACING_TOPOLOGY);
75 trace_smpi_enabled = xbt_cfg_get_boolean(OPT_TRACING_SMPI);
76 trace_smpi_grouped = xbt_cfg_get_boolean(OPT_TRACING_SMPI_GROUP);
77 trace_smpi_computing = xbt_cfg_get_boolean(OPT_TRACING_SMPI_COMPUTING);
78 trace_smpi_sleeping = xbt_cfg_get_boolean(OPT_TRACING_SMPI_SLEEPING);
79 trace_view_internals = xbt_cfg_get_boolean(OPT_TRACING_SMPI_INTERNALS);
80 trace_categorized = xbt_cfg_get_boolean(OPT_TRACING_CATEGORIZED);
81 trace_uncategorized = xbt_cfg_get_boolean(OPT_TRACING_UNCATEGORIZED);
82 trace_msg_process_enabled = xbt_cfg_get_boolean(OPT_TRACING_MSG_PROCESS);
83 trace_msg_vm_enabled = xbt_cfg_get_boolean(OPT_TRACING_MSG_VM);
84 trace_buffer = xbt_cfg_get_boolean(OPT_TRACING_BUFFER);
85 trace_onelink_only = xbt_cfg_get_boolean(OPT_TRACING_ONELINK_ONLY);
86 trace_disable_destroy = xbt_cfg_get_boolean(OPT_TRACING_DISABLE_DESTROY);
87 trace_basic = xbt_cfg_get_boolean(OPT_TRACING_BASIC);
88 trace_display_sizes = xbt_cfg_get_boolean(OPT_TRACING_DISPLAY_SIZES);
89 trace_disable_link = xbt_cfg_get_boolean(OPT_TRACING_DISABLE_LINK);
90 trace_disable_power = xbt_cfg_get_boolean(OPT_TRACING_DISABLE_POWER);
91 trace_precision = xbt_cfg_get_int(OPT_TRACING_PRECISION);
96 if (TRACE_is_configured())
99 // tracing system must be:
100 // - enabled (with --cfg=tracing:yes)
101 // - already configured (TRACE_global_init already called)
102 if (TRACE_is_enabled()) {
104 XBT_DEBUG("Tracing starts");
105 /* init the tracing module to generate the right output */
107 /* open the trace file(s) */
108 const char* format = xbt_cfg_get_string(OPT_TRACING_FORMAT);
109 XBT_DEBUG("Tracing format %s\n", format);
110 if (not strcmp(format, "Paje")) {
112 } else if (not strcmp(format, "TI")) {
113 instr_fmt_type = instr_fmt_TI;
116 xbt_die("Unknown trace format :%s ", format);
121 THROWF(tracing_error, 0, "Tracing is already active");
124 XBT_DEBUG("Tracing is on");
132 if (not trace_active) {
137 TRACE_generate_viva_uncat_conf();
138 TRACE_generate_viva_cat_conf();
140 /* dump trace buffer */
141 TRACE_last_timestamp_to_dump = surf_get_clock();
142 TRACE_paje_dump_buffer(true);
144 /* destroy all data structures of tracing (and free) */
145 delete simgrid::instr::Container::getRootContainer();
146 delete simgrid::instr::Type::getRootType();
149 /* close the trace files */
150 const char* format = xbt_cfg_get_string(OPT_TRACING_FORMAT);
151 XBT_DEBUG("Tracing format %s\n", format);
152 if (not strcmp(format, "Paje")) {
154 } else if (not strcmp(format, "TI")) {
157 xbt_die("Unknown trace format :%s ", format);
160 /* de-activate trace */
161 trace_active = false;
162 XBT_DEBUG("Tracing is off");
163 XBT_DEBUG("Tracing system is shutdown");
168 bool TRACE_needs_platform ()
170 return TRACE_msg_process_is_enabled() || TRACE_msg_vm_is_enabled() || TRACE_categorized() ||
171 TRACE_uncategorized() || TRACE_platform () || (TRACE_smpi_is_enabled() && TRACE_smpi_is_grouped());
174 bool TRACE_is_enabled()
176 return trace_enabled;
179 bool TRACE_platform()
181 return trace_platform;
184 bool TRACE_platform_topology()
186 return trace_platform_topology;
189 bool TRACE_is_configured()
191 return trace_configured;
194 bool TRACE_smpi_is_enabled()
196 return (trace_smpi_enabled || TRACE_smpi_is_grouped()) && TRACE_is_enabled();
199 bool TRACE_smpi_is_grouped()
201 return trace_smpi_grouped;
204 bool TRACE_smpi_is_computing()
206 return trace_smpi_computing;
209 bool TRACE_smpi_is_sleeping()
211 return trace_smpi_sleeping;
214 bool TRACE_smpi_view_internals()
216 return trace_view_internals;
219 bool TRACE_categorized ()
221 return trace_categorized;
224 bool TRACE_uncategorized ()
226 return trace_uncategorized;
229 bool TRACE_msg_process_is_enabled()
231 return trace_msg_process_enabled && TRACE_is_enabled();
234 bool TRACE_msg_vm_is_enabled()
236 return trace_msg_vm_enabled && TRACE_is_enabled();
239 bool TRACE_disable_link()
241 return trace_disable_link && TRACE_is_enabled();
244 bool TRACE_disable_speed()
246 return trace_disable_power && TRACE_is_enabled();
251 return trace_buffer && TRACE_is_enabled();
254 bool TRACE_onelink_only ()
256 return trace_onelink_only && TRACE_is_enabled();
259 bool TRACE_disable_destroy ()
261 return trace_disable_destroy && TRACE_is_enabled();
266 return trace_basic && TRACE_is_enabled();
269 bool TRACE_display_sizes ()
271 return trace_display_sizes && trace_smpi_enabled && TRACE_is_enabled();
274 char *TRACE_get_comment ()
276 return xbt_cfg_get_string(OPT_TRACING_COMMENT);
279 char *TRACE_get_comment_file ()
281 return xbt_cfg_get_string(OPT_TRACING_COMMENT_FILE);
284 int TRACE_precision ()
286 return xbt_cfg_get_int(OPT_TRACING_PRECISION);
289 char *TRACE_get_filename()
291 return xbt_cfg_get_string(OPT_TRACING_FILENAME);
294 char *TRACE_get_viva_uncat_conf ()
296 return xbt_cfg_get_string(OPT_VIVA_UNCAT_CONF);
299 char *TRACE_get_viva_cat_conf ()
301 return xbt_cfg_get_string(OPT_VIVA_CAT_CONF);
304 void TRACE_global_init()
306 static bool is_initialised = false;
310 is_initialised = true;
311 /* name of the tracefile */
312 xbt_cfg_register_string (OPT_TRACING_FILENAME, "simgrid.trace", nullptr, "Trace file created by the instrumented SimGrid.");
313 xbt_cfg_register_boolean(OPT_TRACING, "no", nullptr, "Enable Tracing.");
314 xbt_cfg_register_boolean(OPT_TRACING_PLATFORM, "no", nullptr, "Register the platform in the trace as a hierarchy.");
315 xbt_cfg_register_boolean(OPT_TRACING_TOPOLOGY, "yes", nullptr, "Register the platform topology in the trace as a graph.");
316 xbt_cfg_register_boolean(OPT_TRACING_SMPI, "no", nullptr, "Tracing of the SMPI interface.");
317 xbt_cfg_register_boolean(OPT_TRACING_SMPI_GROUP,"no", nullptr, "Group MPI processes by host.");
318 xbt_cfg_register_boolean(OPT_TRACING_SMPI_COMPUTING, "no", nullptr, "Generate states for timing out of SMPI parts of the application");
319 xbt_cfg_register_boolean(OPT_TRACING_SMPI_SLEEPING, "no", nullptr, "Generate states for timing out of SMPI parts of the application");
320 xbt_cfg_register_boolean(OPT_TRACING_SMPI_INTERNALS, "no", nullptr, "View internal messages sent by Collective communications in SMPI");
321 xbt_cfg_register_boolean(OPT_TRACING_CATEGORIZED, "no", nullptr, "Tracing categorized resource utilization of hosts and links.");
322 xbt_cfg_register_boolean(OPT_TRACING_UNCATEGORIZED, "no", nullptr, "Tracing uncategorized resource utilization of hosts and links.");
324 xbt_cfg_register_boolean(OPT_TRACING_MSG_PROCESS, "no", nullptr, "Tracing of MSG process behavior.");
325 xbt_cfg_register_boolean(OPT_TRACING_MSG_VM, "no", nullptr, "Tracing of MSG process behavior.");
326 xbt_cfg_register_boolean(OPT_TRACING_DISABLE_LINK, "no", nullptr, "Do not trace link bandwidth and latency.");
327 xbt_cfg_register_boolean(OPT_TRACING_DISABLE_POWER, "no", nullptr, "Do not trace host power.");
328 xbt_cfg_register_boolean(OPT_TRACING_BUFFER, "yes", nullptr, "Buffer trace events to put them in temporal order.");
330 xbt_cfg_register_boolean(OPT_TRACING_ONELINK_ONLY, "no", nullptr, "Use only routes with one link to trace platform.");
331 xbt_cfg_register_boolean(OPT_TRACING_DISABLE_DESTROY, "no", nullptr, "Disable platform containers destruction.");
332 xbt_cfg_register_boolean(OPT_TRACING_BASIC, "no", nullptr, "Avoid extended events (impoverished trace file).");
333 xbt_cfg_register_boolean(OPT_TRACING_DISPLAY_SIZES, "no", nullptr, "(smpi only) Extended events with message size information");
334 xbt_cfg_register_string(OPT_TRACING_FORMAT, "Paje", nullptr, "(smpi only) Switch the output format of Tracing");
335 xbt_cfg_register_boolean(OPT_TRACING_FORMAT_TI_ONEFILE, "no", nullptr, "(smpi only) For replay format only : output to one file only");
336 xbt_cfg_register_string(OPT_TRACING_COMMENT, "", nullptr, "Comment to be added on the top of the trace file.");
337 xbt_cfg_register_string(OPT_TRACING_COMMENT_FILE, "", nullptr,
338 "The contents of the file are added to the top of the trace file as comment.");
339 xbt_cfg_register_int(OPT_TRACING_PRECISION, 6, nullptr, "Numerical precision used when timestamping events "
340 "(expressed in number of digits after decimal point)");
341 /* Viva graph configuration for uncategorized tracing */
342 xbt_cfg_register_string(OPT_VIVA_UNCAT_CONF, "", nullptr, "Viva Graph configuration file for uncategorized resource utilization traces.");
343 xbt_cfg_register_string(OPT_VIVA_CAT_CONF, "", nullptr, "Viva Graph configuration file for categorized resource utilization traces.");
345 xbt_cfg_register_alias(OPT_TRACING_COMMENT_FILE,"tracing/comment_file");
346 xbt_cfg_register_alias(OPT_TRACING_DISABLE_DESTROY, "tracing/disable_destroy");
347 xbt_cfg_register_alias(OPT_TRACING_DISABLE_LINK, "tracing/disable_link");
348 xbt_cfg_register_alias(OPT_TRACING_DISABLE_POWER, "tracing/disable_power");
349 xbt_cfg_register_alias(OPT_TRACING_DISPLAY_SIZES, "tracing/smpi/display_sizes");
350 xbt_cfg_register_alias(OPT_TRACING_FORMAT_TI_ONEFILE, "tracing/smpi/format/ti_one_file");
351 xbt_cfg_register_alias(OPT_TRACING_ONELINK_ONLY, "tracing/onelink_only");
353 /* instrumentation can be considered configured now */
354 trace_configured = true;
357 static void print_line (const char *option, const char *desc, const char *longdesc, int detailed)
359 std::string str = std::string("--cfg=") + option + " ";
361 int len = str.size();
362 printf("%s%*.*s %s\n", str.c_str(), 30 - len, 30 - len, "", desc);
363 if (longdesc != nullptr && detailed){
364 printf ("%s\n\n", longdesc);
368 void TRACE_help (int detailed)
370 printf("Description of the tracing options accepted by this simulator:\n\n");
371 print_line (OPT_TRACING, "Enable the tracing system",
372 " It activates the tracing system and register the simulation platform\n"
373 " in the trace file. You have to enable this option to others take effect.", detailed);
374 print_line (OPT_TRACING_CATEGORIZED, "Trace categorized resource utilization",
375 " It activates the categorized resource utilization tracing. It should\n"
376 " be enabled if tracing categories are used by this simulator.", detailed);
377 print_line (OPT_TRACING_UNCATEGORIZED, "Trace uncategorized resource utilization",
378 " It activates the uncategorized resource utilization tracing. Use it if\n"
379 " this simulator do not use tracing categories and resource use have to be\n"
380 " traced.", detailed);
381 print_line (OPT_TRACING_FILENAME, "Filename to register traces",
382 " A file with this name will be created to register the simulation. The file\n"
383 " is in the Paje format and can be analyzed using Viva, Paje, and PajeNG visualization\n"
384 " tools. More information can be found in these webpages:\n"
385 " http://github.com/schnorr/viva/\n"
386 " http://github.com/schnorr/pajeng/\n"
387 " http://paje.sourceforge.net/", detailed);
388 print_line (OPT_TRACING_SMPI, "Trace the MPI Interface (SMPI)",
389 " This option only has effect if this simulator is SMPI-based. Traces the MPI\n"
390 " interface and generates a trace that can be analyzed using Gantt-like\n"
391 " visualizations. Every MPI function (implemented by SMPI) is transformed in a\n"
392 " state, and point-to-point communications can be analyzed with arrows.", detailed);
393 print_line (OPT_TRACING_SMPI_GROUP, "Group MPI processes by host (SMPI)",
394 " This option only has effect if this simulator is SMPI-based. The processes\n"
395 " are grouped by the hosts where they were executed.", detailed);
396 print_line (OPT_TRACING_SMPI_COMPUTING, "Generates a \" Computing \" State",
397 " This option aims at tracing computations in the application, outside SMPI\n"
398 " to allow further study of simulated or real computation time", detailed);
399 print_line (OPT_TRACING_SMPI_SLEEPING, "Generates a \" Sleeping \" State",
400 " This option aims at tracing sleeps in the application, outside SMPI\n"
401 " to allow further study of simulated or real sleep time", detailed);
402 print_line (OPT_TRACING_SMPI_INTERNALS, "Generates tracing events corresponding",
403 " to point-to-point messages sent by collective communications", detailed);
404 print_line (OPT_TRACING_MSG_PROCESS, "Trace processes behavior (MSG)",
405 " This option only has effect if this simulator is MSG-based. It traces the\n"
406 " behavior of all categorized MSG processes, grouping them by hosts. This option\n"
407 " can be used to track process location if this simulator has process migration.", detailed);
408 print_line (OPT_TRACING_BUFFER, "Buffer events to put them in temporal order",
409 " This option put some events in a time-ordered buffer using the insertion\n"
410 " sort algorithm. The process of acquiring and releasing locks to access this\n"
411 " buffer and the cost of the sorting algorithm make this process slow. The\n"
412 " simulator performance can be severely impacted if this option is activated,\n"
413 " but you are sure to get a trace file with events sorted.", detailed);
414 print_line (OPT_TRACING_ONELINK_ONLY, "Consider only one link routes to trace platform",
415 " This option changes the way SimGrid register its platform on the trace file.\n"
416 " Normally, the tracing considers all routes (no matter their size) on the\n"
417 " platform file to re-create the resource topology. If this option is activated,\n"
418 " only the routes with one link are used to register the topology within an AS.\n"
419 " Routes among AS continue to be traced as usual.", detailed);
420 print_line (OPT_TRACING_DISABLE_DESTROY, "Disable platform containers destruction",
421 " Disable the destruction of containers at the end of simulation. This can be\n"
422 " used with simulators that have a different notion of time (different from\n"
423 " the simulated time).", detailed);
424 print_line (OPT_TRACING_BASIC, "Avoid extended events (impoverished trace file).",
425 " Some visualization tools are not able to parse correctly the Paje file format.\n"
426 " Use this option if you are using one of these tools to visualize the simulation\n"
427 " trace. Keep in mind that the trace might be incomplete, without all the\n"
428 " information that would be registered otherwise.", detailed);
429 print_line (OPT_TRACING_DISPLAY_SIZES, "Only works for SMPI now. Add message size information",
430 " Message size (in bytes) is added to links, and to states. For collectives,\n"
431 " the displayed value is the more relevant to the collective (total sent by\n"
432 " the process, usually)", detailed);
433 print_line (OPT_TRACING_FORMAT, "Only works for SMPI now. Switch output format",
434 " Default format is Paje. Time independent traces are also supported,\n"
435 " to output traces that can later be used by the trace replay tool", detailed);
436 print_line (OPT_TRACING_FORMAT_TI_ONEFILE, "Only works for SMPI now, and TI output format",
437 " By default, each process outputs to a separate file, inside a filename_files folder\n"
438 " By setting this option to yes, all processes will output to only one file\n"
439 " This is meant to avoid opening thousands of files with large simulations", detailed);
440 print_line (OPT_TRACING_COMMENT, "Comment to be added on the top of the trace file.",
441 " Use this to add a comment line to the top of the trace file.", detailed);
442 print_line (OPT_TRACING_COMMENT_FILE, "File contents added to trace file as comment.",
443 " Use this to add the contents of a file to the top of the trace file as comment.", detailed);
444 print_line (OPT_VIVA_UNCAT_CONF, "Generate a graph configuration for Viva",
445 " This option can be used in all types of simulators build with SimGrid\n"
446 " to generate a uncategorized resource utilization graph to be used as\n"
447 " configuration for the Viva visualization tool. This option\n"
448 " can be used with tracing/categorized:1 and tracing:1 options to\n"
449 " analyze an unmodified simulator before changing it to contain\n"
450 " categories.", detailed);
451 print_line (OPT_VIVA_CAT_CONF, "Generate an uncategorized graph configuration for Viva",
452 " This option can be used if this simulator uses tracing categories\n"
453 " in its code. The file specified by this option holds a graph configuration\n"
454 " file for the Viva visualization tool that can be used to analyze a categorized\n"
455 " resource utilization.", detailed);
456 print_line (OPT_TRACING_TOPOLOGY, "Register the platform topology as a graph",
457 " This option (enabled by default) can be used to disable the tracing of\n"
458 " the platform topology in the trace file. Sometimes, such task is really\n"
459 " time consuming, since it must get the route from each host to other hosts\n"
460 " within the same Autonomous System (AS).", detailed);
463 static void output_types (const char *name, xbt_dynar_t types, FILE *file)
466 fprintf (file, " %s = (", name);
467 for (i = xbt_dynar_length(types); i > 0; i--) {
468 char *type = *(static_cast<char**>(xbt_dynar_get_ptr(types, i - 1)));
469 fprintf (file, "\"%s\"", type);
473 fprintf (file, ");\n");
476 xbt_dynar_free (&types);
479 static void output_categories(const char* name, FILE* file)
481 unsigned int i = created_categories.size();
482 fprintf (file, " values = (");
483 for (auto const& cat : created_categories) {
485 fprintf(file, "\"%s%s\"", name, cat.c_str());
489 fprintf (file, ");\n");
494 static void uncat_configuration (FILE *file)
496 //register NODE and EDGE types
497 output_types ("node", TRACE_get_node_types(), file);
498 output_types ("edge", TRACE_get_edge_types(), file);
499 fprintf (file, "\n");
501 //configuration for all nodes
504 " type = \"square\";\n"
505 " size = \"power\";\n"
506 " values = (\"power_used\");\n"
509 " type = \"rhombus\";\n"
510 " size = \"bandwidth\";\n"
511 " values = (\"bandwidth_used\");\n"
516 static void cat_configuration (FILE *file)
518 //register NODE and EDGE types
519 output_types ("node", TRACE_get_node_types(), file);
520 output_types ("edge", TRACE_get_edge_types(), file);
521 fprintf (file, "\n");
523 //configuration for all nodes
526 " type = \"square\";\n"
527 " size = \"power\";\n");
528 output_categories("p", file);
532 " type = \"rhombus\";\n"
533 " size = \"bandwidth\";\n");
534 output_categories("b", file);
535 fprintf (file, " };\n");
539 static void generate_uncat_configuration (const char *output, const char *name, int brackets)
541 if (output && strlen(output) > 0){
542 FILE *file = fopen (output, "w");
543 if (file == nullptr){
544 THROWF (system_error, 1, "Unable to open file (%s) for writing %s graph configuration (uncategorized).",
549 fprintf (file, "{\n");
550 uncat_configuration (file);
552 fprintf (file, "}\n");
557 static void generate_cat_configuration (const char *output, const char *name, int brackets)
559 if (output && strlen(output) > 0){
560 //check if we do have categories declared
561 if (created_categories.empty()) {
562 XBT_INFO("No categories declared, ignoring generation of %s graph configuration", name);
566 FILE *file = fopen (output, "w");
567 if (file == nullptr){
568 THROWF (system_error, 1, "Unable to open file (%s) for writing %s graph "
569 "configuration (categorized).", output, name);
572 if (brackets) fprintf (file, "{\n");
573 cat_configuration (file);
574 if (brackets) fprintf (file, "}\n");
579 void TRACE_generate_viva_uncat_conf ()
581 generate_uncat_configuration (TRACE_get_viva_uncat_conf (), "viva", 0);
584 void TRACE_generate_viva_cat_conf ()
586 generate_cat_configuration (TRACE_get_viva_cat_conf(), "viva", 0);
589 static int previous_trace_state = -1;
591 void instr_pause_tracing ()
593 previous_trace_state = trace_enabled;
594 if (not TRACE_is_enabled()) {
595 XBT_DEBUG ("Tracing is already paused, therefore do nothing.");
597 XBT_DEBUG ("Tracing is being paused.");
599 trace_enabled = false;
600 XBT_DEBUG ("Tracing is paused.");
603 void instr_resume_tracing ()
605 if (TRACE_is_enabled()){
606 XBT_DEBUG ("Tracing is already running while trying to resume, therefore do nothing.");
608 XBT_DEBUG ("Tracing is being resumed.");
611 if (previous_trace_state != -1){
612 trace_enabled = previous_trace_state;
614 trace_enabled = true;
616 XBT_DEBUG ("Tracing is resumed.");
617 previous_trace_state = -1;