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_SMPI "tracing/smpi"
17 #define OPT_TRACING_SMPI_GROUP "tracing/smpi/group"
18 #define OPT_TRACING_CATEGORIZED "tracing/categorized"
19 #define OPT_TRACING_UNCATEGORIZED "tracing/uncategorized"
20 #define OPT_TRACING_MSG_TASK "tracing/msg/task"
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_TRIVA_UNCAT_CONF "triva/uncategorized"
26 #define OPT_TRIVA_CAT_CONF "triva/categorized"
28 static int trace_enabled;
29 static int trace_smpi_enabled;
30 static int trace_smpi_grouped;
31 static int trace_categorized;
32 static int trace_uncategorized;
33 static int trace_msg_task_enabled;
34 static int trace_msg_process_enabled;
35 static int trace_buffer;
36 static int trace_onelink_only;
38 static int trace_configured = 0;
39 static int trace_active = 0;
41 xbt_dict_t created_categories; //declared in instr_interface.c
43 static void TRACE_getopts(void)
45 trace_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING);
46 trace_smpi_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI);
47 trace_smpi_grouped = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI_GROUP);
48 trace_categorized = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_CATEGORIZED);
49 trace_uncategorized = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_UNCATEGORIZED);
50 trace_msg_task_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_TASK);
51 trace_msg_process_enabled = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_PROCESS);
52 trace_buffer = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_BUFFER);
53 trace_onelink_only = xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_ONELINK_ONLY);
60 // tracing system must be:
61 // - enabled (with --cfg=tracing:1)
62 // - already configured (TRACE_global_init already called)
63 if (!(TRACE_is_enabled() && TRACE_is_configured())){
67 XBT_DEBUG("Tracing starts");
69 /* open the trace file */
75 /* other trace initialization */
76 created_categories = xbt_dict_new();
84 if (!TRACE_is_active())
87 /* generate uncategorized graph configuration for triva */
88 if (TRACE_get_triva_uncat_conf()){
89 TRACE_generate_triva_uncat_conf();
92 /* generate categorized graph configuration for triva */
93 if (TRACE_get_triva_cat_conf()){
94 TRACE_generate_triva_cat_conf();
97 /* dump trace buffer */
98 TRACE_last_timestamp_to_dump = surf_get_clock();
99 TRACE_paje_dump_buffer(1);
101 /* destroy all data structures of tracing (and free) */
102 destroyAllContainers();
104 /* close the trace file */
108 TRACE_desactivate ();
109 XBT_DEBUG("Tracing system is shutdown");
113 void TRACE_activate (void)
115 xbt_assert (trace_active==0, "Tracing is already active.");
117 XBT_DEBUG ("Tracing is on");
120 void TRACE_desactivate (void)
123 XBT_DEBUG ("Tracing is off");
126 int TRACE_is_active (void)
131 int TRACE_needs_platform (void)
133 return TRACE_msg_process_is_enabled() ||
134 TRACE_msg_task_is_enabled() ||
135 TRACE_categorized() ||
136 TRACE_uncategorized() ||
137 (TRACE_smpi_is_enabled() && TRACE_smpi_is_grouped());
140 int TRACE_is_enabled(void)
142 return trace_enabled;
145 int TRACE_is_configured(void)
147 return trace_configured;
150 int TRACE_smpi_is_enabled(void)
152 return (xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI) ||
153 TRACE_smpi_is_grouped())&&
157 int TRACE_smpi_is_grouped(void)
159 return trace_smpi_grouped;
162 int TRACE_categorized (void)
164 return trace_categorized;
167 int TRACE_uncategorized (void)
169 return trace_uncategorized;
172 int TRACE_msg_task_is_enabled(void)
174 return trace_msg_task_enabled && TRACE_is_enabled();
177 int TRACE_msg_process_is_enabled(void)
179 return trace_msg_process_enabled && TRACE_is_enabled();
182 int TRACE_buffer (void)
184 return trace_buffer && TRACE_is_enabled();
187 int TRACE_onelink_only (void)
189 return trace_onelink_only && TRACE_is_enabled();
192 char *TRACE_get_filename(void)
194 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRACING_FILENAME);
197 char *TRACE_get_triva_uncat_conf (void)
199 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRIVA_UNCAT_CONF);
202 char *TRACE_get_triva_cat_conf (void)
204 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRIVA_CAT_CONF);
207 void TRACE_global_init(int *argc, char **argv)
209 /* name of the tracefile */
210 char *default_tracing_filename = xbt_strdup("simgrid.trace");
211 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_FILENAME,
212 "Trace file created by the instrumented SimGrid.",
213 xbt_cfgelm_string, &default_tracing_filename, 1, 1,
217 int default_tracing = 0;
218 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING,
220 xbt_cfgelm_int, &default_tracing, 0, 1,
224 int default_tracing_smpi = 0;
225 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_SMPI,
226 "Tracing of the SMPI interface.",
227 xbt_cfgelm_int, &default_tracing_smpi, 0, 1,
231 int default_tracing_smpi_grouped = 0;
232 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_SMPI_GROUP,
233 "Group MPI processes by host.",
234 xbt_cfgelm_int, &default_tracing_smpi_grouped, 0, 1,
239 int default_tracing_platform = 0;
240 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_CATEGORIZED,
241 "Tracing of categorized platform (host and link) utilization.",
242 xbt_cfgelm_int, &default_tracing_platform, 0, 1,
245 /* tracing uncategorized resource utilization */
246 int default_tracing_uncategorized = 0;
247 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_UNCATEGORIZED,
248 "Tracing of uncategorized resource (host and link) utilization.",
249 xbt_cfgelm_int, &default_tracing_uncategorized, 0, 1,
253 int default_tracing_msg_task = 0;
254 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_TASK,
255 "Tracing of MSG task behavior.",
256 xbt_cfgelm_int, &default_tracing_msg_task, 0, 1,
260 int default_tracing_msg_process = 0;
261 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_PROCESS,
262 "Tracing of MSG process behavior.",
263 xbt_cfgelm_int, &default_tracing_msg_process, 0, 1,
267 int default_buffer = 0;
268 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_BUFFER,
269 "Buffer trace events to put them in temporal order.",
270 xbt_cfgelm_int, &default_buffer, 0, 1,
273 /* tracing one link only */
274 int default_onelink_only = 0;
275 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_ONELINK_ONLY,
276 "Use only routes with one link to trace platform.",
277 xbt_cfgelm_int, &default_onelink_only, 0, 1,
280 /* Triva graph configuration for uncategorized tracing */
281 char *default_triva_uncat_conf_file = xbt_strdup ("");
282 xbt_cfg_register(&_surf_cfg_set, OPT_TRIVA_UNCAT_CONF,
283 "Triva Graph configuration file for uncategorized resource utilization traces.",
284 xbt_cfgelm_string, &default_triva_uncat_conf_file, 1, 1,
287 /* Triva graph configuration for uncategorized tracing */
288 char *default_triva_cat_conf_file = xbt_strdup ("");
289 xbt_cfg_register(&_surf_cfg_set, OPT_TRIVA_CAT_CONF,
290 "Triva Graph configuration file for categorized resource utilization traces.",
291 xbt_cfgelm_string, &default_triva_cat_conf_file, 1, 1,
294 /* instrumentation can be considered configured now */
295 trace_configured = 1;
298 static void print_line (const char *option, const char *desc, const char *longdesc, int detailed)
300 char str[INSTR_DEFAULT_STR_SIZE];
301 snprintf (str, INSTR_DEFAULT_STR_SIZE, "--cfg=%s ", option);
303 int len = strlen (str);
304 printf ("%s%*.*s %s\n", str, 30-len, 30-len, "", desc);
305 if (!!longdesc && detailed){
306 printf ("%s\n\n", longdesc);
310 void TRACE_help (int detailed)
313 "Description of the tracing options accepted by this simulator:\n\n");
314 print_line (OPT_TRACING, "Enable the tracing system",
315 " It activates the tracing system and register the simulation platform\n"
316 " in the trace file. You have to enable this option to others take effect.",
318 print_line (OPT_TRACING_CATEGORIZED, "Trace categorized resource utilization",
319 " It activates the categorized resource utilization tracing. It should\n"
320 " be enabled if tracing categories are used by this simulator.",
322 print_line (OPT_TRACING_UNCATEGORIZED, "Trace uncategorized resource utilization",
323 " It activates the uncategorized resource utilization tracing. Use it if\n"
324 " this simulator do not use tracing categories and resource use have to be\n"
327 print_line (OPT_TRACING_FILENAME, "Filename to register traces",
328 " A file with this name will be created to register the simulation. The file\n"
329 " is in the Paje format and can be analyzed using Triva or Paje visualization\n"
330 " tools. More information can be found in these webpages:\n"
331 " http://triva.gforge.inria.fr/\n"
332 " http://paje.sourceforge.net/",
334 print_line (OPT_TRACING_SMPI, "Trace the MPI Interface (SMPI)",
335 " This option only has effect if this simulator is SMPI-based. Traces the MPI\n"
336 " interface and generates a trace that can be analyzed using Gantt-like\n"
337 " visualizations. Every MPI function (implemented by SMPI) is transformed in a\n"
338 " state, and point-to-point communications can be analyzed with arrows.",
340 print_line (OPT_TRACING_SMPI_GROUP, "Group MPI processes by host (SMPI)",
341 " This option only has effect if this simulator is SMPI-based. The processes\n"
342 " are grouped by the hosts where they were executed.",
344 print_line (OPT_TRACING_MSG_TASK, "Trace task behavior (MSG)",
345 " This option only has effect if this simulator is MSG-based. It traces the\n"
346 " behavior of all categorized MSG tasks, grouping them by hosts.",
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_TRIVA_UNCAT_CONF, "Generate graph configuration for Triva",
368 " This option can be used in all types of simulators build with SimGrid\n"
369 " to generate a uncategorized resource utilization graph to be used as\n"
370 " configuration for the Triva visualization analysis. This option\n"
371 " can be used with tracing/categorized:1 and tracing:1 options to\n"
372 " analyze an unmodified simulator before changing it to contain\n"
375 print_line (OPT_TRIVA_CAT_CONF, "generate uncategorized graph configuration for Triva",
376 " This option can be used if this simulator uses tracing categories\n"
377 " in its code. The file specified by this option holds a graph configuration\n"
378 " file for the Triva visualization tool that can be used to analyze a categorized\n"
379 " resource utilization.",
383 void TRACE_generate_triva_uncat_conf (void)
385 char *output = TRACE_get_triva_uncat_conf ();
386 if (output && strlen(output) > 0){
387 xbt_dict_cursor_t cursor=NULL;
390 FILE *file = fopen (output, "w");
391 xbt_assert (file != NULL,
392 "Unable to open file (%s) for writing triva graph "
393 "configuration (uncategorized).", output);
396 fprintf (file, "{\n");
398 //register NODE types
399 fprintf (file, " node = (");
400 xbt_dict_foreach(trivaNodeTypes, cursor, name, value) {
401 fprintf (file, "%s, ", name);
404 //register EDGE types
408 xbt_dict_foreach(trivaEdgeTypes, cursor, name, value) {
409 fprintf (file, "%s, ", name);
415 //configuration for all nodes
420 " values = (power_used);\n"
424 " size = bandwidth;\n"
425 " values = (bandwidth_used);\n"
428 fprintf (file, "}\n");
433 void TRACE_generate_triva_cat_conf (void)
435 char *output = TRACE_get_triva_cat_conf();
436 if (output && strlen(output) > 0){
437 xbt_dict_cursor_t cursor=NULL, cursor2=NULL;
438 char *name, *name2, *value, *value2;
440 //check if we do have categories declared
441 if (xbt_dict_length(created_categories) == 0){
442 XBT_INFO("No categories declared, ignoring generation of triva graph configuration");
446 FILE *file = fopen (output, "w");
447 xbt_assert (file != NULL,
448 "Unable to open file (%s) for writing triva graph "
449 "configuration (categorized).", output);
452 fprintf (file, "{\n");
454 //register NODE types
455 fprintf (file, " node = (");
456 xbt_dict_foreach(trivaNodeTypes, cursor, name, value) {
457 fprintf (file, "%s, ", name);
460 //register EDGE types
464 xbt_dict_foreach(trivaEdgeTypes, cursor, name, value) {
465 fprintf (file, "%s, ", name);
471 //configuration for all nodes
477 xbt_dict_foreach(created_categories,cursor2,name2,value2) {
478 fprintf (file, "p%s, ", name2);
485 " size = bandwidth;\n"
487 xbt_dict_foreach(created_categories,cursor2,name2,value2) {
488 fprintf (file, "b%s, ", name2);
494 fprintf (file, "}\n");
500 #undef OPT_TRACING_SMPI
501 #undef OPT_TRACING_SMPI_GROUP
502 #undef OPT_TRACING_CATEGORIZED
503 #undef OPT_TRACING_UNCATEGORIZED
504 #undef OPT_TRACING_MSG_TASK
505 #undef OPT_TRACING_MSG_PROCESS
506 #undef OPT_TRACING_MSG_VOLUME
507 #undef OPT_TRACING_FILENAME
508 #undef OPT_TRACING_PLATFORM_METHOD
509 #undef OPT_TRIVA_UNCAT_CONF
510 #undef OPT_TRIVA_CAT_CONF
512 #endif /* HAVE_TRACING */