1 /* Copyright (c) 2010-2018. 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 "include/xbt/config.hpp"
7 #include "src/instr/instr_private.hpp"
8 #include "surf/surf.hpp"
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_BASIC "tracing/basic"
16 #define OPT_TRACING_BUFFER "tracing/buffer"
17 #define OPT_TRACING_CATEGORIZED "tracing/categorized"
18 #define OPT_TRACING_COMMENT_FILE "tracing/comment-file"
19 #define OPT_TRACING_COMMENT "tracing/comment"
20 #define OPT_TRACING_DISABLE_DESTROY "tracing/disable-destroy"
21 #define OPT_TRACING_DISABLE_LINK "tracing/disable-link"
22 #define OPT_TRACING_DISABLE_POWER "tracing/disable-power"
23 #define OPT_TRACING_DISPLAY_SIZES "tracing/smpi/display-sizes"
24 #define OPT_TRACING_FILENAME "tracing/filename"
25 #define OPT_TRACING_FORMAT_TI_ONEFILE "tracing/smpi/format/ti-one-file"
26 #define OPT_TRACING_FORMAT "tracing/smpi/format"
27 #define OPT_TRACING_MSG_PROCESS "tracing/msg/process"
28 #define OPT_TRACING_MSG_VM "tracing/msg/vm"
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"
40 static bool trace_enabled = false;
41 static bool trace_platform;
42 static bool trace_platform_topology;
43 static bool trace_smpi_enabled;
44 static bool trace_smpi_grouped;
45 static bool trace_smpi_computing;
46 static bool trace_smpi_sleeping;
47 static bool trace_view_internals;
48 static bool trace_categorized;
49 static bool trace_uncategorized;
50 static bool trace_actor_enabled;
51 static bool trace_msg_vm_enabled;
52 static bool trace_buffer;
53 static bool trace_disable_destroy;
54 static bool trace_basic;
55 static bool trace_display_sizes = false;
56 static bool trace_disable_link;
57 static bool trace_disable_power;
58 static int trace_precision;
60 static bool trace_configured = false;
61 static bool trace_active = false;
63 instr_fmt_type_t instr_fmt_type = instr_fmt_paje;
65 static void TRACE_getopts()
67 trace_enabled = xbt_cfg_get_boolean(OPT_TRACING);
68 trace_platform = xbt_cfg_get_boolean(OPT_TRACING_PLATFORM);
69 trace_platform_topology = xbt_cfg_get_boolean(OPT_TRACING_TOPOLOGY);
70 trace_smpi_enabled = xbt_cfg_get_boolean(OPT_TRACING_SMPI);
71 trace_smpi_grouped = xbt_cfg_get_boolean(OPT_TRACING_SMPI_GROUP);
72 trace_smpi_computing = xbt_cfg_get_boolean(OPT_TRACING_SMPI_COMPUTING);
73 trace_smpi_sleeping = xbt_cfg_get_boolean(OPT_TRACING_SMPI_SLEEPING);
74 trace_view_internals = xbt_cfg_get_boolean(OPT_TRACING_SMPI_INTERNALS);
75 trace_categorized = xbt_cfg_get_boolean(OPT_TRACING_CATEGORIZED);
76 trace_uncategorized = xbt_cfg_get_boolean(OPT_TRACING_UNCATEGORIZED);
77 trace_actor_enabled = trace_enabled && xbt_cfg_get_boolean(OPT_TRACING_MSG_PROCESS);
78 trace_msg_vm_enabled = xbt_cfg_get_boolean(OPT_TRACING_MSG_VM);
79 trace_buffer = xbt_cfg_get_boolean(OPT_TRACING_BUFFER);
80 trace_disable_destroy = xbt_cfg_get_boolean(OPT_TRACING_DISABLE_DESTROY);
81 trace_basic = xbt_cfg_get_boolean(OPT_TRACING_BASIC);
82 trace_display_sizes = xbt_cfg_get_boolean(OPT_TRACING_DISPLAY_SIZES);
83 trace_disable_link = xbt_cfg_get_boolean(OPT_TRACING_DISABLE_LINK);
84 trace_disable_power = xbt_cfg_get_boolean(OPT_TRACING_DISABLE_POWER);
85 trace_precision = xbt_cfg_get_int(OPT_TRACING_PRECISION);
90 if (TRACE_is_configured())
93 // tracing system must be:
94 // - enabled (with --cfg=tracing:yes)
95 // - already configured (TRACE_global_init already called)
96 if (TRACE_is_enabled()) {
98 XBT_DEBUG("Tracing starts");
99 /* init the tracing module to generate the right output */
101 /* open the trace file(s) */
102 std::string format = xbt_cfg_get_string(OPT_TRACING_FORMAT);
103 XBT_DEBUG("Tracing format %s\n", format.c_str());
104 if (format == "Paje") {
106 } else if (format == "TI") {
107 instr_fmt_type = instr_fmt_TI;
110 xbt_die("Unknown trace format :%s ", format.c_str());
115 THROWF(tracing_error, 0, "Tracing is already active");
118 XBT_DEBUG("Tracing is on");
126 if (not trace_active) {
131 /* dump trace buffer */
132 TRACE_last_timestamp_to_dump = surf_get_clock();
133 TRACE_paje_dump_buffer(true);
135 simgrid::instr::Type* root_type = simgrid::instr::Container::getRoot()->type_;
136 /* destroy all data structures of tracing (and free) */
137 delete simgrid::instr::Container::getRoot();
140 /* close the trace files */
141 std::string format = xbt_cfg_get_string(OPT_TRACING_FORMAT);
142 XBT_DEBUG("Tracing format %s\n", format.c_str());
143 if (format == "Paje") {
145 } else if (format == "TI") {
148 xbt_die("Unknown trace format :%s ", format.c_str());
151 /* de-activate trace */
152 trace_active = false;
153 XBT_DEBUG("Tracing is off");
154 XBT_DEBUG("Tracing system is shutdown");
159 bool TRACE_needs_platform ()
161 return TRACE_actor_is_enabled() || TRACE_msg_vm_is_enabled() || TRACE_categorized() || TRACE_uncategorized() ||
162 TRACE_platform() || (TRACE_smpi_is_enabled() && TRACE_smpi_is_grouped());
165 bool TRACE_is_enabled()
167 return trace_enabled;
170 bool TRACE_platform()
172 return trace_platform;
175 bool TRACE_platform_topology()
177 return trace_platform_topology;
180 bool TRACE_is_configured()
182 return trace_configured;
185 bool TRACE_smpi_is_enabled()
187 return (trace_smpi_enabled || TRACE_smpi_is_grouped()) && TRACE_is_enabled();
190 bool TRACE_smpi_is_grouped()
192 return trace_smpi_grouped;
195 bool TRACE_smpi_is_computing()
197 return trace_smpi_computing;
200 bool TRACE_smpi_is_sleeping()
202 return trace_smpi_sleeping;
205 bool TRACE_smpi_view_internals()
207 return trace_view_internals;
210 bool TRACE_categorized ()
212 return trace_categorized;
215 bool TRACE_uncategorized ()
217 return trace_uncategorized;
220 bool TRACE_actor_is_enabled()
222 return trace_actor_enabled;
225 bool TRACE_msg_vm_is_enabled()
227 return trace_msg_vm_enabled && TRACE_is_enabled();
230 bool TRACE_disable_link()
232 return trace_disable_link && TRACE_is_enabled();
235 bool TRACE_disable_speed()
237 return trace_disable_power && TRACE_is_enabled();
242 return trace_buffer && TRACE_is_enabled();
245 bool TRACE_disable_destroy ()
247 return trace_disable_destroy && TRACE_is_enabled();
252 return trace_basic && TRACE_is_enabled();
255 bool TRACE_display_sizes ()
257 return trace_display_sizes && trace_smpi_enabled && TRACE_is_enabled();
260 std::string TRACE_get_comment()
262 return xbt_cfg_get_string(OPT_TRACING_COMMENT);
265 std::string TRACE_get_comment_file()
267 return xbt_cfg_get_string(OPT_TRACING_COMMENT_FILE);
270 int TRACE_precision ()
272 return xbt_cfg_get_int(OPT_TRACING_PRECISION);
275 std::string TRACE_get_filename()
277 return xbt_cfg_get_string(OPT_TRACING_FILENAME);
280 void TRACE_global_init()
282 static bool is_initialised = false;
286 is_initialised = true;
287 /* name of the tracefile */
288 xbt_cfg_register_string (OPT_TRACING_FILENAME, "simgrid.trace", nullptr, "Trace file created by the instrumented SimGrid.");
289 xbt_cfg_register_boolean(OPT_TRACING, "no", nullptr, "Enable Tracing.");
290 xbt_cfg_register_boolean(OPT_TRACING_PLATFORM, "no", nullptr, "Register the platform in the trace as a hierarchy.");
291 xbt_cfg_register_boolean(OPT_TRACING_TOPOLOGY, "yes", nullptr, "Register the platform topology in the trace as a graph.");
292 xbt_cfg_register_boolean(OPT_TRACING_SMPI, "no", nullptr, "Tracing of the SMPI interface.");
293 xbt_cfg_register_boolean(OPT_TRACING_SMPI_GROUP,"no", nullptr, "Group MPI processes by host.");
294 xbt_cfg_register_boolean(OPT_TRACING_SMPI_COMPUTING, "no", nullptr, "Generate states for timing out of SMPI parts of the application");
295 xbt_cfg_register_boolean(OPT_TRACING_SMPI_SLEEPING, "no", nullptr, "Generate states for timing out of SMPI parts of the application");
296 xbt_cfg_register_boolean(OPT_TRACING_SMPI_INTERNALS, "no", nullptr, "View internal messages sent by Collective communications in SMPI");
297 xbt_cfg_register_boolean(OPT_TRACING_CATEGORIZED, "no", nullptr, "Tracing categorized resource utilization of hosts and links.");
298 xbt_cfg_register_boolean(OPT_TRACING_UNCATEGORIZED, "no", nullptr, "Tracing uncategorized resource utilization of hosts and links.");
300 xbt_cfg_register_boolean(OPT_TRACING_MSG_PROCESS, "no", nullptr, "Tracing of MSG process behavior.");
301 xbt_cfg_register_boolean(OPT_TRACING_MSG_VM, "no", nullptr, "Tracing of MSG process behavior.");
302 xbt_cfg_register_boolean(OPT_TRACING_DISABLE_LINK, "no", nullptr, "Do not trace link bandwidth and latency.");
303 xbt_cfg_register_boolean(OPT_TRACING_DISABLE_POWER, "no", nullptr, "Do not trace host power.");
304 xbt_cfg_register_boolean(OPT_TRACING_BUFFER, "yes", nullptr, "Buffer trace events to put them in temporal order.");
306 xbt_cfg_register_boolean(OPT_TRACING_DISABLE_DESTROY, "no", nullptr, "Disable platform containers destruction.");
307 xbt_cfg_register_boolean(OPT_TRACING_BASIC, "no", nullptr, "Avoid extended events (impoverished trace file).");
308 xbt_cfg_register_boolean(OPT_TRACING_DISPLAY_SIZES, "no", nullptr, "(smpi only) Extended events with message size information");
309 xbt_cfg_register_string(OPT_TRACING_FORMAT, "Paje", nullptr, "(smpi only) Switch the output format of Tracing");
310 xbt_cfg_register_boolean(OPT_TRACING_FORMAT_TI_ONEFILE, "no", nullptr, "(smpi only) For replay format only : output to one file only");
311 xbt_cfg_register_string(OPT_TRACING_COMMENT, "", nullptr, "Comment to be added on the top of the trace file.");
312 xbt_cfg_register_string(OPT_TRACING_COMMENT_FILE, "", nullptr,
313 "The contents of the file are added to the top of the trace file as comment.");
314 xbt_cfg_register_int(OPT_TRACING_PRECISION, 6, nullptr, "Numerical precision used when timestamping events "
315 "(expressed in number of digits after decimal point)");
317 xbt_cfg_register_alias(OPT_TRACING_COMMENT_FILE,"tracing/comment_file");
318 xbt_cfg_register_alias(OPT_TRACING_DISABLE_DESTROY, "tracing/disable_destroy");
319 xbt_cfg_register_alias(OPT_TRACING_DISABLE_LINK, "tracing/disable_link");
320 xbt_cfg_register_alias(OPT_TRACING_DISABLE_POWER, "tracing/disable_power");
321 xbt_cfg_register_alias(OPT_TRACING_DISPLAY_SIZES, "tracing/smpi/display_sizes");
322 xbt_cfg_register_alias(OPT_TRACING_FORMAT_TI_ONEFILE, "tracing/smpi/format/ti_one_file");
324 /* instrumentation can be considered configured now */
325 trace_configured = true;
328 static void print_line (const char *option, const char *desc, const char *longdesc, int detailed)
330 std::string str = std::string("--cfg=") + option + " ";
332 int len = str.size();
333 printf("%s%*.*s %s\n", str.c_str(), 30 - len, 30 - len, "", desc);
334 if (longdesc != nullptr && detailed){
335 printf ("%s\n\n", longdesc);
339 void TRACE_help (int detailed)
341 printf("Description of the tracing options accepted by this simulator:\n\n");
342 print_line (OPT_TRACING, "Enable the tracing system",
343 " It activates the tracing system and register the simulation platform\n"
344 " in the trace file. You have to enable this option to others take effect.", detailed);
345 print_line (OPT_TRACING_CATEGORIZED, "Trace categorized resource utilization",
346 " It activates the categorized resource utilization tracing. It should\n"
347 " be enabled if tracing categories are used by this simulator.", detailed);
348 print_line (OPT_TRACING_UNCATEGORIZED, "Trace uncategorized resource utilization",
349 " It activates the uncategorized resource utilization tracing. Use it if\n"
350 " this simulator do not use tracing categories and resource use have to be\n"
351 " traced.", detailed);
352 print_line(OPT_TRACING_FILENAME, "Filename to register traces",
353 " A file with this name will be created to register the simulation. The file\n"
354 " is in the Paje format and can be analyzed using Paje, and PajeNG visualization\n"
355 " tools. More information can be found in these webpages:\n"
356 " http://github.com/schnorr/pajeng/\n"
357 " http://paje.sourceforge.net/",
359 print_line (OPT_TRACING_SMPI, "Trace the MPI Interface (SMPI)",
360 " This option only has effect if this simulator is SMPI-based. Traces the MPI\n"
361 " interface and generates a trace that can be analyzed using Gantt-like\n"
362 " visualizations. Every MPI function (implemented by SMPI) is transformed in a\n"
363 " state, and point-to-point communications can be analyzed with arrows.", detailed);
364 print_line (OPT_TRACING_SMPI_GROUP, "Group MPI processes by host (SMPI)",
365 " This option only has effect if this simulator is SMPI-based. The processes\n"
366 " are grouped by the hosts where they were executed.", detailed);
367 print_line (OPT_TRACING_SMPI_COMPUTING, "Generates a \" Computing \" State",
368 " This option aims at tracing computations in the application, outside SMPI\n"
369 " to allow further study of simulated or real computation time", detailed);
370 print_line (OPT_TRACING_SMPI_SLEEPING, "Generates a \" Sleeping \" State",
371 " This option aims at tracing sleeps in the application, outside SMPI\n"
372 " to allow further study of simulated or real sleep time", detailed);
373 print_line (OPT_TRACING_SMPI_INTERNALS, "Generates tracing events corresponding",
374 " to point-to-point messages sent by collective communications", detailed);
375 print_line (OPT_TRACING_MSG_PROCESS, "Trace processes behavior (MSG)",
376 " This option only has effect if this simulator is MSG-based. It traces the\n"
377 " behavior of all categorized MSG processes, grouping them by hosts. This option\n"
378 " can be used to track process location if this simulator has process migration.", detailed);
379 print_line (OPT_TRACING_BUFFER, "Buffer events to put them in temporal order",
380 " This option put some events in a time-ordered buffer using the insertion\n"
381 " sort algorithm. The process of acquiring and releasing locks to access this\n"
382 " buffer and the cost of the sorting algorithm make this process slow. The\n"
383 " simulator performance can be severely impacted if this option is activated,\n"
384 " but you are sure to get a trace file with events sorted.", detailed);
385 print_line (OPT_TRACING_DISABLE_DESTROY, "Disable platform containers destruction",
386 " Disable the destruction of containers at the end of simulation. This can be\n"
387 " used with simulators that have a different notion of time (different from\n"
388 " the simulated time).", detailed);
389 print_line (OPT_TRACING_BASIC, "Avoid extended events (impoverished trace file).",
390 " Some visualization tools are not able to parse correctly the Paje file format.\n"
391 " Use this option if you are using one of these tools to visualize the simulation\n"
392 " trace. Keep in mind that the trace might be incomplete, without all the\n"
393 " information that would be registered otherwise.", detailed);
394 print_line (OPT_TRACING_DISPLAY_SIZES, "Only works for SMPI now. Add message size information",
395 " Message size (in bytes) is added to links, and to states. For collectives,\n"
396 " the displayed value is the more relevant to the collective (total sent by\n"
397 " the process, usually)", detailed);
398 print_line (OPT_TRACING_FORMAT, "Only works for SMPI now. Switch output format",
399 " Default format is Paje. Time independent traces are also supported,\n"
400 " to output traces that can later be used by the trace replay tool", detailed);
401 print_line (OPT_TRACING_FORMAT_TI_ONEFILE, "Only works for SMPI now, and TI output format",
402 " By default, each process outputs to a separate file, inside a filename_files folder\n"
403 " By setting this option to yes, all processes will output to only one file\n"
404 " This is meant to avoid opening thousands of files with large simulations", detailed);
405 print_line (OPT_TRACING_COMMENT, "Comment to be added on the top of the trace file.",
406 " Use this to add a comment line to the top of the trace file.", detailed);
407 print_line (OPT_TRACING_COMMENT_FILE, "File contents added to trace file as comment.",
408 " Use this to add the contents of a file to the top of the trace file as comment.", detailed);
409 print_line (OPT_TRACING_TOPOLOGY, "Register the platform topology as a graph",
410 " This option (enabled by default) can be used to disable the tracing of\n"
411 " the platform topology in the trace file. Sometimes, such task is really\n"
412 " time consuming, since it must get the route from each host to other hosts\n"
413 " within the same Autonomous System (AS).", detailed);
416 static void output_types (const char *name, xbt_dynar_t types, FILE *file)
419 fprintf (file, " %s = (", name);
420 for (i = xbt_dynar_length(types); i > 0; i--) {
421 char *type = *(static_cast<char**>(xbt_dynar_get_ptr(types, i - 1)));
422 fprintf (file, "\"%s\"", type);
426 fprintf (file, ");\n");
429 xbt_dynar_free (&types);