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 /* generate uncategorized graph configuration for triva */
63 if (TRACE_get_triva_uncat_conf()){
64 TRACE_generate_triva_uncat_conf();
67 /* generate categorized graph configuration for triva */
68 if (TRACE_get_triva_cat_conf()){
69 TRACE_generate_triva_cat_conf();
72 /* destroy all data structures of tracing (and free) */
73 destroyAllContainers();
75 /* close the trace file */
80 DEBUG0("Tracing system is shutdown");
84 void TRACE_activate (void)
86 xbt_assert0 (trace_active==0, "Tracing is already active.");
88 DEBUG0 ("Tracing is on");
91 void TRACE_desactivate (void)
94 DEBUG0 ("Tracing is off");
97 int TRACE_is_active (void)
102 int TRACE_is_enabled(void)
104 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING);
107 int TRACE_is_configured(void)
109 return trace_configured;
112 int TRACE_smpi_is_enabled(void)
114 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI);
117 int TRACE_smpi_is_grouped(void)
119 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI_GROUP);
122 int TRACE_categorized (void)
124 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_CATEGORIZED);
127 int TRACE_uncategorized (void)
129 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_UNCATEGORIZED);
132 int TRACE_msg_task_is_enabled(void)
134 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_TASK);
137 int TRACE_msg_process_is_enabled(void)
139 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_PROCESS);
142 int TRACE_msg_volume_is_enabled(void)
144 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_VOLUME);
147 char *TRACE_get_filename(void)
149 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRACING_FILENAME);
152 char *TRACE_get_platform_method(void)
154 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRACING_PLATFORM_METHOD);
157 char *TRACE_get_triva_uncat_conf (void)
159 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRIVA_UNCAT_CONF);
162 char *TRACE_get_triva_cat_conf (void)
164 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRIVA_CAT_CONF);
167 void TRACE_global_init(int *argc, char **argv)
169 /* name of the tracefile */
170 char *default_tracing_filename = xbt_strdup("simgrid.trace");
171 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_FILENAME,
172 "Trace file created by the instrumented SimGrid.",
173 xbt_cfgelm_string, &default_tracing_filename, 1, 1,
177 int default_tracing = 0;
178 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING,
180 xbt_cfgelm_int, &default_tracing, 0, 1,
184 int default_tracing_smpi = 0;
185 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_SMPI,
186 "Tracing of the SMPI interface.",
187 xbt_cfgelm_int, &default_tracing_smpi, 0, 1,
191 int default_tracing_smpi_grouped = 0;
192 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_SMPI_GROUP,
193 "Group MPI processes by host.",
194 xbt_cfgelm_int, &default_tracing_smpi_grouped, 0, 1,
199 int default_tracing_platform = 0;
200 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_CATEGORIZED,
201 "Tracing of categorized platform (host and link) utilization.",
202 xbt_cfgelm_int, &default_tracing_platform, 0, 1,
205 /* tracing uncategorized resource utilization */
206 int default_tracing_uncategorized = 0;
207 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_UNCATEGORIZED,
208 "Tracing of uncategorized resource (host and link) utilization.",
209 xbt_cfgelm_int, &default_tracing_uncategorized, 0, 1,
212 /* platform method */
213 char *default_tracing_platform_method = xbt_strdup("a");
214 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_PLATFORM_METHOD,
215 "Tracing method used to register categorized resource behavior.",
216 xbt_cfgelm_string, &default_tracing_platform_method, 1,
220 int default_tracing_msg_task = 0;
221 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_TASK,
222 "Tracing of MSG task behavior.",
223 xbt_cfgelm_int, &default_tracing_msg_task, 0, 1,
227 int default_tracing_msg_process = 0;
228 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_PROCESS,
229 "Tracing of MSG process behavior.",
230 xbt_cfgelm_int, &default_tracing_msg_process, 0, 1,
233 /* msg volume (experimental) */
234 int default_tracing_msg_volume = 0;
235 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_VOLUME,
236 "Tracing of MSG communication volume (experimental).",
237 xbt_cfgelm_int, &default_tracing_msg_volume, 0, 1,
240 /* Triva graph configuration for uncategorized tracing */
241 char *default_triva_uncat_conf_file = xbt_strdup ("");
242 xbt_cfg_register(&_surf_cfg_set, OPT_TRIVA_UNCAT_CONF,
243 "Triva Graph configuration file for uncategorized resource utilization traces.",
244 xbt_cfgelm_string, &default_triva_uncat_conf_file, 1, 1,
247 /* Triva graph configuration for uncategorized tracing */
248 char *default_triva_cat_conf_file = xbt_strdup ("");
249 xbt_cfg_register(&_surf_cfg_set, OPT_TRIVA_CAT_CONF,
250 "Triva Graph configuration file for categorized resource utilization traces.",
251 xbt_cfgelm_string, &default_triva_cat_conf_file, 1, 1,
254 /* instrumentation can be considered configured now */
255 trace_configured = 1;
258 static void print_line (const char *option, const char *desc, const char *longdesc, int detailed)
260 char str[INSTR_DEFAULT_STR_SIZE];
261 snprintf (str, INSTR_DEFAULT_STR_SIZE, "--cfg=%s ", option);
263 int len = strlen (str);
264 printf ("%s%*.*s %s\n", str, 30-len, 30-len, "", desc);
265 if (!!longdesc && detailed){
266 printf ("%s\n\n", longdesc);
270 void TRACE_help (int detailed)
273 "Description of the tracing options accepted by this simulator:\n\n");
274 print_line (OPT_TRACING, "Enable the tracing system",
275 " It activates the tracing system and register the simulation platform\n"
276 " in the trace file. You have to enable this option to others take effect.",
278 print_line (OPT_TRACING_CATEGORIZED, "Trace categorized resource utilization",
279 " It activates the categorized resource utilization tracing. It should\n"
280 " be enabled if tracing categories are used by this simulator.",
282 print_line (OPT_TRACING_UNCATEGORIZED, "Trace uncategorized resource utilization",
283 " It activates the uncategorized resource utilization tracing. Use it if\n"
284 " this simulator do not use tracing categories and resource use have to be\n"
287 print_line (OPT_TRACING_PLATFORM_METHOD, "Change the resource utilization tracing method",
288 " It changes the way resource utilization (categorized or not) is traced\n"
289 " inside the simulation core. Method 'a' (default) traces all updates defined\n"
290 " by the CPU/network model of a given resource. Depending on the interface used\n"
291 " by this simulator (MSG, SMPI, SimDAG), the default method can generate large\n"
292 " trace files. Method 'b' tries to make smaller tracefiles using clever updates,\n"
293 " without losing details of resource utilization. Method 'c' generates even\n"
294 " smaller files by doing time integration during the simulation, but it loses\n"
295 " precision. If this last method is used, the smallest timeslice used in the\n"
296 " tracefile analysis must be bigger than the smaller resource utilization. If\n"
297 " unsure, do not change this option.",
299 print_line (OPT_TRACING_FILENAME, "Filename to register traces",
300 " A file with this name will be created to register the simulation. The file\n"
301 " is in the Paje format and can be analyzed using Triva or Paje visualization\n"
302 " tools. More information can be found in these webpages:\n"
303 " http://triva.gforge.inria.fr/\n"
304 " http://paje.sourceforge.net/",
306 print_line (OPT_TRACING_SMPI, "Trace the MPI Interface (SMPI)",
307 " This option only has effect if this simulator is SMPI-based. Traces the MPI\n"
308 " interface and generates a trace that can be analyzed using Gantt-like\n"
309 " visualizations. Every MPI function (implemented by SMPI) is transformed in a\n"
310 " state, and point-to-point communications can be analyzed with arrows.",
312 print_line (OPT_TRACING_SMPI_GROUP, "Group MPI processes by host (SMPI)",
313 " This option only has effect if this simulator is SMPI-based. The processes\n"
314 " are grouped by the hosts where they were executed.",
316 print_line (OPT_TRACING_MSG_TASK, "Trace task behavior (MSG)",
317 " This option only has effect if this simulator is MSG-based. It traces the\n"
318 " behavior of all categorized MSG tasks, grouping them by hosts.",
320 print_line (OPT_TRACING_MSG_PROCESS, "Trace processes behavior (MSG)",
321 " This option only has effect if this simulator is MSG-based. It traces the\n"
322 " behavior of all categorized MSG processes, grouping them by hosts. This option\n"
323 " can be used to track process location if this simulator has process migration.",
325 print_line (OPT_TRACING_MSG_VOLUME, "Tracing of communication volume (MSG)",
326 " This experimental option only has effect if this simulator is MSG-based.\n"
327 " It traces the communication volume of MSG send/receive.",
329 print_line (OPT_TRIVA_UNCAT_CONF, "Generate graph configuration for Triva",
330 " This option can be used in all types of simulators build with SimGrid\n"
331 " to generate a uncategorized resource utilization graph to be used as\n"
332 " configuration for the Triva visualization analysis. This option\n"
333 " can be used with tracing/categorized:1 and tracing:1 options to\n"
334 " analyze an unmodified simulator before changing it to contain\n"
337 print_line (OPT_TRIVA_CAT_CONF, "generate uncategorized graph configuration for Triva",
338 " This option can be used if this simulator uses tracing categories\n"
339 " in its code. The file specified by this option holds a graph configuration\n"
340 " file for the Triva visualization tool that can be used to analyze a categorized\n"
341 " resource utilization.",
345 void TRACE_generate_triva_uncat_conf (void)
347 char *output = TRACE_get_triva_uncat_conf ();
348 if (output && strlen(output) > 0){
349 FILE *file = fopen (output, "w");
350 xbt_assert1 (file != NULL,
351 "Unable to open file (%s) for writing triva graph "
352 "configuration (uncategorized).", output);
362 " type = separation;\n"
364 " values = (power_used);\n"
369 " dst = destination;\n"
370 " size = bandwidth;\n"
373 " type = separation;\n"
374 " size = bandwidth;\n"
375 " values = (bandwidth_used);\n"
378 " graphviz-algorithm = neato;\n"
385 void TRACE_generate_triva_cat_conf (void)
387 char *output = TRACE_get_triva_cat_conf();
388 if (output && strlen(output) > 0){
389 //check if we do have categories declared
390 if (xbt_dict_length(created_categories) == 0){
391 INFO0("No categories declared, ignoring generation of triva graph configuration");
394 xbt_dict_cursor_t cursor=NULL;
396 FILE *file = fopen (output, "w");
397 xbt_assert1 (file != NULL,
398 "Unable to open file (%s) for writing triva graph "
399 "configuration (categorized).", output);
409 " type = separation;\n"
412 xbt_dict_foreach(created_categories,cursor,key,data) {
413 fprintf(file, "%s, ",key);
421 " dst = destination;\n"
422 " size = bandwidth;\n"
425 " type = separation;\n"
426 " size = bandwidth;\n"
428 xbt_dict_foreach(created_categories,cursor,key,data) {
429 fprintf(file, "%s, ",key);
435 " graphviz-algorithm = neato;\n"
443 #undef OPT_TRACING_SMPI
444 #undef OPT_TRACING_SMPI_GROUP
445 #undef OPT_TRACING_CATEGORIZED
446 #undef OPT_TRACING_UNCATEGORIZED
447 #undef OPT_TRACING_MSG_TASK
448 #undef OPT_TRACING_MSG_PROCESS
449 #undef OPT_TRACING_MSG_VOLUME
450 #undef OPT_TRACING_FILENAME
451 #undef OPT_TRACING_PLATFORM_METHOD
452 #undef OPT_TRIVA_UNCAT_CONF
453 #undef OPT_TRIVA_CAT_CONF
455 #endif /* HAVE_TRACING */