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_MSG_VOLUME "tracing/msg/volume"
23 #define OPT_TRACING_FILENAME "tracing/filename"
24 #define OPT_TRACING_PLATFORM_METHOD "tracing/platform/method"
25 #define OPT_TRIVA_UNCAT_CONF "triva/uncategorized"
26 #define OPT_TRIVA_CAT_CONF "triva/categorized"
28 static int trace_configured = 0;
29 static int trace_active = 0;
31 xbt_dict_t created_categories; //declared in instr_interface.c
35 // tracing system must be:
36 // - enabled (with --cfg=tracing:1)
37 // - already configured (TRACE_global_init already called)
38 if (!(TRACE_is_enabled() && TRACE_is_configured())){
42 DEBUG0("Tracing starts");
44 /* open the trace file */
50 /* other trace initialization */
51 created_categories = xbt_dict_new();
59 if (!TRACE_is_active())
62 /* close the trace file */
65 /* generate uncategorized graph configuration for triva */
66 if (TRACE_get_triva_uncat_conf()){
67 TRACE_generate_triva_uncat_conf();
70 /* generate categorized graph configuration for triva */
71 if (TRACE_get_triva_cat_conf()){
72 TRACE_generate_triva_cat_conf();
77 DEBUG0("Tracing system is shutdown");
81 void TRACE_activate (void)
83 xbt_assert0 (trace_active==0, "Tracing is already active.");
85 DEBUG0 ("Tracing is on");
88 void TRACE_desactivate (void)
91 DEBUG0 ("Tracing is off");
94 int TRACE_is_active (void)
99 int TRACE_is_enabled(void)
101 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING);
104 int TRACE_is_configured(void)
106 return trace_configured;
109 int TRACE_smpi_is_enabled(void)
111 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI);
114 int TRACE_smpi_is_grouped(void)
116 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI_GROUP);
119 int TRACE_categorized (void)
121 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_CATEGORIZED);
124 int TRACE_uncategorized (void)
126 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_UNCATEGORIZED);
129 int TRACE_msg_task_is_enabled(void)
131 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_TASK);
134 int TRACE_msg_process_is_enabled(void)
136 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_PROCESS);
139 int TRACE_msg_volume_is_enabled(void)
141 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_VOLUME);
144 char *TRACE_get_filename(void)
146 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRACING_FILENAME);
149 char *TRACE_get_platform_method(void)
151 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRACING_PLATFORM_METHOD);
154 char *TRACE_get_triva_uncat_conf (void)
156 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRIVA_UNCAT_CONF);
159 char *TRACE_get_triva_cat_conf (void)
161 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRIVA_CAT_CONF);
164 void TRACE_global_init(int *argc, char **argv)
166 /* name of the tracefile */
167 char *default_tracing_filename = xbt_strdup("simgrid.trace");
168 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_FILENAME,
169 "Trace file created by the instrumented SimGrid.",
170 xbt_cfgelm_string, &default_tracing_filename, 1, 1,
174 int default_tracing = 0;
175 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING,
177 xbt_cfgelm_int, &default_tracing, 0, 1,
181 int default_tracing_smpi = 0;
182 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_SMPI,
183 "Tracing of the SMPI interface.",
184 xbt_cfgelm_int, &default_tracing_smpi, 0, 1,
188 int default_tracing_smpi_grouped = 0;
189 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_SMPI_GROUP,
190 "Group MPI processes by host.",
191 xbt_cfgelm_int, &default_tracing_smpi_grouped, 0, 1,
196 int default_tracing_platform = 0;
197 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_CATEGORIZED,
198 "Tracing of categorized platform (host and link) utilization.",
199 xbt_cfgelm_int, &default_tracing_platform, 0, 1,
202 /* tracing uncategorized resource utilization */
203 int default_tracing_uncategorized = 0;
204 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_UNCATEGORIZED,
205 "Tracing of uncategorized resource (host and link) utilization.",
206 xbt_cfgelm_int, &default_tracing_uncategorized, 0, 1,
209 /* platform method */
210 char *default_tracing_platform_method = xbt_strdup("a");
211 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_PLATFORM_METHOD,
212 "Tracing method used to register categorized resource behavior.",
213 xbt_cfgelm_string, &default_tracing_platform_method, 1,
217 int default_tracing_msg_task = 0;
218 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_TASK,
219 "Tracing of MSG task behavior.",
220 xbt_cfgelm_int, &default_tracing_msg_task, 0, 1,
224 int default_tracing_msg_process = 0;
225 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_PROCESS,
226 "Tracing of MSG process behavior.",
227 xbt_cfgelm_int, &default_tracing_msg_process, 0, 1,
230 /* msg volume (experimental) */
231 int default_tracing_msg_volume = 0;
232 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_VOLUME,
233 "Tracing of MSG communication volume (experimental).",
234 xbt_cfgelm_int, &default_tracing_msg_volume, 0, 1,
237 /* Triva graph configuration for uncategorized tracing */
238 char *default_triva_uncat_conf_file = xbt_strdup ("");
239 xbt_cfg_register(&_surf_cfg_set, OPT_TRIVA_UNCAT_CONF,
240 "Triva Graph configuration file for uncategorized resource utilization traces.",
241 xbt_cfgelm_string, &default_triva_uncat_conf_file, 1, 1,
244 /* Triva graph configuration for uncategorized tracing */
245 char *default_triva_cat_conf_file = xbt_strdup ("");
246 xbt_cfg_register(&_surf_cfg_set, OPT_TRIVA_CAT_CONF,
247 "Triva Graph configuration file for categorized resource utilization traces.",
248 xbt_cfgelm_string, &default_triva_cat_conf_file, 1, 1,
251 /* instrumentation can be considered configured now */
252 trace_configured = 1;
255 static void print_line (const char *option, const char *desc, const char *longdesc, int detailed)
257 char str[INSTR_DEFAULT_STR_SIZE];
258 snprintf (str, INSTR_DEFAULT_STR_SIZE, "--cfg=%s ", option);
260 int len = strlen (str);
261 printf ("%s%*.*s %s\n", str, 30-len, 30-len, "", desc);
262 if (!!longdesc && detailed){
263 printf ("%s\n\n", longdesc);
267 void TRACE_help (int detailed)
270 "Description of the tracing options accepted by this simulator:\n\n");
271 print_line (OPT_TRACING, "Enable the tracing system",
272 " It activates the tracing system and register the simulation platform\n"
273 " in the trace file. You have to enable this option to others take effect.",
275 print_line (OPT_TRACING_CATEGORIZED, "Trace categorized resource utilization",
276 " It activates the categorized resource utilization tracing. It should\n"
277 " be enabled if tracing categories are used by this simulator.",
279 print_line (OPT_TRACING_UNCATEGORIZED, "Trace uncategorized resource utilization",
280 " It activates the uncategorized resource utilization tracing. Use it if\n"
281 " this simulator do not use tracing categories and resource use have to be\n"
284 print_line (OPT_TRACING_PLATFORM_METHOD, "Change the resource utilization tracing method",
285 " It changes the way resource utilization (categorized or not) is traced\n"
286 " inside the simulation core. Method 'a' (default) traces all updates defined\n"
287 " by the CPU/network model of a given resource. Depending on the interface used\n"
288 " by this simulator (MSG, SMPI, SimDAG), the default method can generate large\n"
289 " trace files. Method 'b' tries to make smaller tracefiles using clever updates,\n"
290 " without losing details of resource utilization. Method 'c' generates even\n"
291 " smaller files by doing time integration during the simulation, but it loses\n"
292 " precision. If this last method is used, the smallest timeslice used in the\n"
293 " tracefile analysis must be bigger than the smaller resource utilization. If\n"
294 " unsure, do not change this option.",
296 print_line (OPT_TRACING_FILENAME, "Filename to register traces",
297 " A file with this name will be created to register the simulation. The file\n"
298 " is in the Paje format and can be analyzed using Triva or Paje visualization\n"
299 " tools. More information can be found in these webpages:\n"
300 " http://triva.gforge.inria.fr/\n"
301 " http://paje.sourceforge.net/",
303 print_line (OPT_TRACING_SMPI, "Trace the MPI Interface (SMPI)",
304 " This option only has effect if this simulator is SMPI-based. Traces the MPI\n"
305 " interface and generates a trace that can be analyzed using Gantt-like\n"
306 " visualizations. Every MPI function (implemented by SMPI) is transformed in a\n"
307 " state, and point-to-point communications can be analyzed with arrows.",
309 print_line (OPT_TRACING_SMPI_GROUP, "Group MPI processes by host (SMPI)",
310 " This option only has effect if this simulator is SMPI-based. The processes\n"
311 " are grouped by the hosts where they were executed.",
313 print_line (OPT_TRACING_MSG_TASK, "Trace task behavior (MSG)",
314 " This option only has effect if this simulator is MSG-based. It traces the\n"
315 " behavior of all categorized MSG tasks, grouping them by hosts.",
317 print_line (OPT_TRACING_MSG_PROCESS, "Trace processes behavior (MSG)",
318 " This option only has effect if this simulator is MSG-based. It traces the\n"
319 " behavior of all categorized MSG processes, grouping them by hosts. This option\n"
320 " can be used to track process location if this simulator has process migration.",
322 print_line (OPT_TRACING_MSG_VOLUME, "Tracing of communication volume (MSG)",
323 " This experimental option only has effect if this simulator is MSG-based.\n"
324 " It traces the communication volume of MSG send/receive.",
326 print_line (OPT_TRIVA_UNCAT_CONF, "Generate graph configuration for Triva",
327 " This option can be used in all types of simulators build with SimGrid\n"
328 " to generate a uncategorized resource utilization graph to be used as\n"
329 " configuration for the Triva visualization analysis. This option\n"
330 " can be used with tracing/categorized:1 and tracing:1 options to\n"
331 " analyze an unmodified simulator before changing it to contain\n"
334 print_line (OPT_TRIVA_CAT_CONF, "generate uncategorized graph configuration for Triva",
335 " This option can be used if this simulator uses tracing categories\n"
336 " in its code. The file specified by this option holds a graph configuration\n"
337 " file for the Triva visualization tool that can be used to analyze a categorized\n"
338 " resource utilization.",
342 void TRACE_generate_triva_uncat_conf (void)
344 char *output = TRACE_get_triva_uncat_conf ();
345 if (output && strlen(output) > 0){
346 FILE *file = fopen (output, "w");
347 xbt_assert1 (file != NULL,
348 "Unable to open file (%s) for writing triva graph "
349 "configuration (uncategorized).", output);
359 " type = separation;\n"
361 " values = (power_used);\n"
366 " dst = destination;\n"
367 " size = bandwidth;\n"
370 " type = separation;\n"
371 " size = bandwidth;\n"
372 " values = (bandwidth_used);\n"
375 " graphviz-algorithm = neato;\n"
382 void TRACE_generate_triva_cat_conf (void)
384 char *output = TRACE_get_triva_cat_conf();
385 if (output && strlen(output) > 0){
386 //check if we do have categories declared
387 if (xbt_dict_length(created_categories) == 0){
388 INFO0("No categories declared, ignoring generation of triva graph configuration");
391 xbt_dict_cursor_t cursor=NULL;
393 FILE *file = fopen (output, "w");
394 xbt_assert1 (file != NULL,
395 "Unable to open file (%s) for writing triva graph "
396 "configuration (categorized).", output);
406 " type = separation;\n"
409 xbt_dict_foreach(created_categories,cursor,key,data) {
410 fprintf(file, "%s, ",key);
418 " dst = destination;\n"
419 " size = bandwidth;\n"
422 " type = separation;\n"
423 " size = bandwidth;\n"
425 xbt_dict_foreach(created_categories,cursor,key,data) {
426 fprintf(file, "%s, ",key);
432 " graphviz-algorithm = neato;\n"
440 #undef OPT_TRACING_SMPI
441 #undef OPT_TRACING_SMPI_GROUP
442 #undef OPT_TRACING_CATEGORIZED
443 #undef OPT_TRACING_UNCATEGORIZED
444 #undef OPT_TRACING_MSG_TASK
445 #undef OPT_TRACING_MSG_PROCESS
446 #undef OPT_TRACING_MSG_VOLUME
447 #undef OPT_TRACING_FILENAME
448 #undef OPT_TRACING_PLATFORM_METHOD
449 #undef OPT_TRIVA_UNCAT_CONF
450 #undef OPT_TRIVA_CAT_CONF
452 #endif /* HAVE_TRACING */