1 /* Copyright (c) 2010. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "instr/instr_private.h"
12 XBT_LOG_NEW_CATEGORY(instr, "Logging the behavior of the tracing system (used for Visualization/Analysis of simulations)");
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_config, instr, "Configuration");
15 #define OPT_TRACING "tracing"
16 #define OPT_TRACING_PLATFORM "tracing/platform"
17 #define OPT_TRACING_SMPI "tracing/smpi"
18 #define OPT_TRACING_SMPI_GROUP "tracing/smpi/group"
19 #define OPT_TRACING_CATEGORIZED "tracing/categorized"
20 #define OPT_TRACING_UNCATEGORIZED "tracing/uncategorized"
21 #define OPT_TRACING_MSG_PROCESS "tracing/msg/process"
22 #define OPT_TRACING_FILENAME "tracing/filename"
23 #define OPT_TRACING_BUFFER "tracing/buffer"
24 #define OPT_TRACING_ONELINK_ONLY "tracing/onelink_only"
25 #define OPT_TRACING_DISABLE_DESTROY "tracing/disable_destroy"
26 #define OPT_TRIVA_UNCAT_CONF "triva/uncategorized"
27 #define OPT_TRIVA_CAT_CONF "triva/categorized"
29 static int trace_enabled;
30 static int trace_platform;
31 static int trace_smpi_enabled;
32 static int trace_smpi_grouped;
33 static int trace_categorized;
34 static int trace_uncategorized;
35 static int trace_msg_process_enabled;
36 static int trace_buffer;
37 static int trace_onelink_only;
38 static int trace_disable_destroy;
40 static int trace_configured = 0;
41 static int trace_active = 0;
43 xbt_dict_t created_categories; //declared in instr_interface.c
45 static void TRACE_getopts(void)
47 trace_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING);
48 trace_platform = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_PLATFORM);
49 trace_smpi_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI);
50 trace_smpi_grouped = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI_GROUP);
51 trace_categorized = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_CATEGORIZED);
52 trace_uncategorized = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_UNCATEGORIZED);
53 trace_msg_process_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_PROCESS);
54 trace_buffer = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_BUFFER);
55 trace_onelink_only = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_ONELINK_ONLY);
56 trace_disable_destroy = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_DISABLE_DESTROY);
63 // tracing system must be:
64 // - enabled (with --cfg=tracing:1)
65 // - already configured (TRACE_global_init already called)
66 if (!(TRACE_is_enabled() && TRACE_is_configured())){
70 XBT_DEBUG("Tracing starts");
72 /* open the trace file */
76 xbt_assert (trace_active==0, "Tracing is already active.");
78 XBT_DEBUG ("Tracing is on");
80 /* other trace initialization */
81 created_categories = xbt_dict_new_homogeneous(xbt_free);
92 /* generate uncategorized graph configuration for triva */
93 if (TRACE_get_triva_uncat_conf()){
94 TRACE_generate_triva_uncat_conf();
97 /* generate categorized graph configuration for triva */
98 if (TRACE_get_triva_cat_conf()){
99 TRACE_generate_triva_cat_conf();
102 /* dump trace buffer */
103 TRACE_last_timestamp_to_dump = surf_get_clock();
104 TRACE_paje_dump_buffer(1);
106 /* destroy all data structures of tracing (and free) */
107 destroyAllContainers();
109 TRACE_surf_release();
110 TRACE_smpi_release();
111 xbt_dict_free(&created_categories);
113 /* close the trace file */
116 /* de-activate trace */
118 XBT_DEBUG ("Tracing is off");
119 XBT_DEBUG("Tracing system is shutdown");
123 int TRACE_needs_platform (void)
125 return TRACE_msg_process_is_enabled() ||
126 TRACE_categorized() ||
127 TRACE_uncategorized() ||
129 (TRACE_smpi_is_enabled() && TRACE_smpi_is_grouped());
132 int TRACE_is_enabled(void)
134 return trace_enabled;
137 int TRACE_platform(void)
139 return trace_platform;
142 int TRACE_is_configured(void)
144 return trace_configured;
147 int TRACE_smpi_is_enabled(void)
149 return (xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI) ||
150 TRACE_smpi_is_grouped())&&
154 int TRACE_smpi_is_grouped(void)
156 return trace_smpi_grouped;
159 int TRACE_categorized (void)
161 return trace_categorized;
164 int TRACE_uncategorized (void)
166 return trace_uncategorized;
169 int TRACE_msg_process_is_enabled(void)
171 return trace_msg_process_enabled && TRACE_is_enabled();
174 int TRACE_buffer (void)
176 return trace_buffer && TRACE_is_enabled();
179 int TRACE_onelink_only (void)
181 return trace_onelink_only && TRACE_is_enabled();
184 int TRACE_disable_destroy (void)
186 return trace_disable_destroy && TRACE_is_enabled();
189 char *TRACE_get_filename(void)
191 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRACING_FILENAME);
194 char *TRACE_get_triva_uncat_conf (void)
196 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRIVA_UNCAT_CONF);
199 char *TRACE_get_triva_cat_conf (void)
201 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRIVA_CAT_CONF);
204 void TRACE_global_init(int *argc, char **argv)
206 /* name of the tracefile */
207 char *default_tracing_filename = xbt_strdup("simgrid.trace");
208 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_FILENAME,
209 "Trace file created by the instrumented SimGrid.",
210 xbt_cfgelm_string, &default_tracing_filename, 1, 1,
214 int default_tracing = 0;
215 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING,
217 xbt_cfgelm_int, &default_tracing, 0, 1,
220 /* register platform in the trace */
221 int default_tracing_platform = 0;
222 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_PLATFORM,
223 "Register the platform in the trace as a graph.",
224 xbt_cfgelm_int, &default_tracing_platform, 0, 1,
228 int default_tracing_smpi = 0;
229 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_SMPI,
230 "Tracing of the SMPI interface.",
231 xbt_cfgelm_int, &default_tracing_smpi, 0, 1,
235 int default_tracing_smpi_grouped = 0;
236 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_SMPI_GROUP,
237 "Group MPI processes by host.",
238 xbt_cfgelm_int, &default_tracing_smpi_grouped, 0, 1,
242 /* tracing categorized resource utilization traces */
243 int default_tracing_categorized = 0;
244 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_CATEGORIZED,
245 "Tracing categorized resource utilization of hosts and links.",
246 xbt_cfgelm_int, &default_tracing_categorized, 0, 1,
249 /* tracing uncategorized resource utilization */
250 int default_tracing_uncategorized = 0;
251 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_UNCATEGORIZED,
252 "Tracing uncategorized resource utilization of hosts and links.",
253 xbt_cfgelm_int, &default_tracing_uncategorized, 0, 1,
257 int default_tracing_msg_process = 0;
258 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_PROCESS,
259 "Tracing of MSG process behavior.",
260 xbt_cfgelm_int, &default_tracing_msg_process, 0, 1,
264 int default_buffer = 0;
265 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_BUFFER,
266 "Buffer trace events to put them in temporal order.",
267 xbt_cfgelm_int, &default_buffer, 0, 1,
270 /* tracing one link only */
271 int default_onelink_only = 0;
272 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_ONELINK_ONLY,
273 "Use only routes with one link to trace platform.",
274 xbt_cfgelm_int, &default_onelink_only, 0, 1,
277 /* disable destroy */
278 int default_disable_destroy = 0;
279 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_DISABLE_DESTROY,
280 "Disable platform containers destruction.",
281 xbt_cfgelm_int, &default_disable_destroy, 0, 1,
284 /* Triva graph configuration for uncategorized tracing */
285 char *default_triva_uncat_conf_file = xbt_strdup ("");
286 xbt_cfg_register(&_surf_cfg_set, OPT_TRIVA_UNCAT_CONF,
287 "Triva Graph configuration file for uncategorized resource utilization traces.",
288 xbt_cfgelm_string, &default_triva_uncat_conf_file, 1, 1,
291 /* Triva graph configuration for uncategorized tracing */
292 char *default_triva_cat_conf_file = xbt_strdup ("");
293 xbt_cfg_register(&_surf_cfg_set, OPT_TRIVA_CAT_CONF,
294 "Triva Graph configuration file for categorized resource utilization traces.",
295 xbt_cfgelm_string, &default_triva_cat_conf_file, 1, 1,
298 /* instrumentation can be considered configured now */
299 trace_configured = 1;
302 static void print_line (const char *option, const char *desc, const char *longdesc, int detailed)
304 char str[INSTR_DEFAULT_STR_SIZE];
305 snprintf (str, INSTR_DEFAULT_STR_SIZE, "--cfg=%s ", option);
307 int len = strlen (str);
308 printf ("%s%*.*s %s\n", str, 30-len, 30-len, "", desc);
309 if (!!longdesc && detailed){
310 printf ("%s\n\n", longdesc);
314 void TRACE_help (int detailed)
317 "Description of the tracing options accepted by this simulator:\n\n");
318 print_line (OPT_TRACING, "Enable the tracing system",
319 " It activates the tracing system and register the simulation platform\n"
320 " in the trace file. You have to enable this option to others take effect.",
322 print_line (OPT_TRACING_CATEGORIZED, "Trace categorized resource utilization",
323 " It activates the categorized resource utilization tracing. It should\n"
324 " be enabled if tracing categories are used by this simulator.",
326 print_line (OPT_TRACING_UNCATEGORIZED, "Trace uncategorized resource utilization",
327 " It activates the uncategorized resource utilization tracing. Use it if\n"
328 " this simulator do not use tracing categories and resource use have to be\n"
331 print_line (OPT_TRACING_FILENAME, "Filename to register traces",
332 " A file with this name will be created to register the simulation. The file\n"
333 " is in the Paje format and can be analyzed using Triva or Paje visualization\n"
334 " tools. More information can be found in these webpages:\n"
335 " http://triva.gforge.inria.fr/\n"
336 " http://paje.sourceforge.net/",
338 print_line (OPT_TRACING_SMPI, "Trace the MPI Interface (SMPI)",
339 " This option only has effect if this simulator is SMPI-based. Traces the MPI\n"
340 " interface and generates a trace that can be analyzed using Gantt-like\n"
341 " visualizations. Every MPI function (implemented by SMPI) is transformed in a\n"
342 " state, and point-to-point communications can be analyzed with arrows.",
344 print_line (OPT_TRACING_SMPI_GROUP, "Group MPI processes by host (SMPI)",
345 " This option only has effect if this simulator is SMPI-based. The processes\n"
346 " are grouped by the hosts where they were executed.",
348 print_line (OPT_TRACING_MSG_PROCESS, "Trace processes behavior (MSG)",
349 " This option only has effect if this simulator is MSG-based. It traces the\n"
350 " behavior of all categorized MSG processes, grouping them by hosts. This option\n"
351 " can be used to track process location if this simulator has process migration.",
353 print_line (OPT_TRACING_BUFFER, "Buffer events to put them in temporal order",
354 " This option put some events in a time-ordered buffer using the insertion\n"
355 " sort algorithm. The process of acquiring and releasing locks to access this\n"
356 " buffer and the cost of the sorting algorithm make this process slow. The\n"
357 " simulator performance can be severely impacted if this option is activated,\n"
358 " but you are sure to get a trace file with events sorted.",
360 print_line (OPT_TRACING_ONELINK_ONLY, "Consider only one link routes to trace platform",
361 " This option changes the way SimGrid register its platform on the trace file.\n"
362 " Normally, the tracing considers all routes (no matter their size) on the\n"
363 " platform file to re-create the resource topology. If this option is activated,\n"
364 " only the routes with one link are used to register the topology within an AS.\n"
365 " Routes among AS continue to be traced as usual.",
367 print_line (OPT_TRACING_DISABLE_DESTROY, "Disable platform containers destruction",
368 " Disable the destruction of containers at the end of simulation. This can be\n"
369 " used with simulators that have a different notion of time (different from\n"
370 " the simulated time).",
372 print_line (OPT_TRIVA_UNCAT_CONF, "Generate graph configuration for Triva",
373 " This option can be used in all types of simulators build with SimGrid\n"
374 " to generate a uncategorized resource utilization graph to be used as\n"
375 " configuration for the Triva visualization analysis. This option\n"
376 " can be used with tracing/categorized:1 and tracing:1 options to\n"
377 " analyze an unmodified simulator before changing it to contain\n"
380 print_line (OPT_TRIVA_CAT_CONF, "generate uncategorized graph configuration for Triva",
381 " This option can be used if this simulator uses tracing categories\n"
382 " in its code. The file specified by this option holds a graph configuration\n"
383 " file for the Triva visualization tool that can be used to analyze a categorized\n"
384 " resource utilization.",
388 void TRACE_generate_triva_uncat_conf (void)
390 char *output = TRACE_get_triva_uncat_conf ();
391 if (output && strlen(output) > 0){
392 xbt_dict_cursor_t cursor=NULL;
395 FILE *file = fopen (output, "w");
396 xbt_assert (file != NULL,
397 "Unable to open file (%s) for writing triva graph "
398 "configuration (uncategorized).", output);
401 fprintf (file, "{\n");
403 //register NODE types
404 fprintf (file, " node = (");
405 xbt_dict_foreach(trivaNodeTypes, cursor, name, value) {
406 fprintf (file, "%s, ", name);
409 //register EDGE types
413 xbt_dict_foreach(trivaEdgeTypes, cursor, name, value) {
414 fprintf (file, "%s, ", name);
420 //configuration for all nodes
425 " values = (power_used);\n"
429 " size = bandwidth;\n"
430 " values = (bandwidth_used);\n"
433 fprintf (file, "}\n");
438 void TRACE_generate_triva_cat_conf (void)
440 char *output = TRACE_get_triva_cat_conf();
441 if (output && strlen(output) > 0){
442 xbt_dict_cursor_t cursor=NULL, cursor2=NULL;
443 char *name, *name2, *value, *value2;
445 //check if we do have categories declared
446 if (xbt_dict_is_empty(created_categories)){
447 XBT_INFO("No categories declared, ignoring generation of triva graph configuration");
451 FILE *file = fopen (output, "w");
452 xbt_assert (file != NULL,
453 "Unable to open file (%s) for writing triva graph "
454 "configuration (categorized).", output);
457 fprintf (file, "{\n");
459 //register NODE types
460 fprintf (file, " node = (");
461 xbt_dict_foreach(trivaNodeTypes, cursor, name, value) {
462 fprintf (file, "%s, ", name);
465 //register EDGE types
469 xbt_dict_foreach(trivaEdgeTypes, cursor, name, value) {
470 fprintf (file, "%s, ", name);
476 //configuration for all nodes
482 xbt_dict_foreach(created_categories,cursor2,name2,value2) {
483 fprintf (file, "p%s, ", name2);
490 " size = bandwidth;\n"
492 xbt_dict_foreach(created_categories,cursor2,name2,value2) {
493 fprintf (file, "b%s, ", name2);
499 fprintf (file, "}\n");
504 void TRACE_set_network_update_mechanism (void)
506 if (TRACE_is_enabled()){
507 if (TRACE_categorized() || TRACE_uncategorized()){
508 XBT_INFO ("Tracing resource utilization active, network/optim configuration now set to Full.");
509 xbt_cfg_set_string (_surf_cfg_set, "network/optim", "Full");
515 #undef OPT_TRACING_PLATFORM
516 #undef OPT_TRACING_SMPI
517 #undef OPT_TRACING_SMPI_GROUP
518 #undef OPT_TRACING_CATEGORIZED
519 #undef OPT_TRACING_UNCATEGORIZED
520 #undef OPT_TRACING_MSG_PROCESS
521 #undef OPT_TRACING_FILENAME
522 #undef OPT_TRACING_BUFFER
523 #undef OPT_TRACING_ONELINK_ONLY
524 #undef OPT_TRACING_DISABLE_DESTROY
525 #undef OPT_TRIVA_UNCAT_CONF
526 #undef OPT_TRIVA_CAT_CONF
528 #endif /* HAVE_TRACING */