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_ACTOR "tracing/msg/process"
28 #define OPT_TRACING_VM "tracing/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 simgrid::config::Flag<bool> trace_enabled{OPT_TRACING, "Enable Tracing.", false};
41 static simgrid::config::Flag<bool> trace_platform{OPT_TRACING_PLATFORM,
42 "Register the platform in the trace as a hierarchy.", false};
43 static simgrid::config::Flag<bool> trace_platform_topology{
44 OPT_TRACING_TOPOLOGY, "Register the platform topology in the trace as a graph.", true};
45 static simgrid::config::Flag<bool> trace_smpi_enabled{OPT_TRACING_SMPI, "Tracing of the SMPI interface.", false};
46 static simgrid::config::Flag<bool> trace_smpi_grouped{OPT_TRACING_SMPI_GROUP, "Group MPI processes by host.", false};
47 static simgrid::config::Flag<bool> trace_smpi_computing{
48 OPT_TRACING_SMPI_COMPUTING, "Generate states for timing out of SMPI parts of the application", false};
49 static simgrid::config::Flag<bool> trace_smpi_sleeping{
50 OPT_TRACING_SMPI_SLEEPING, "Generate states for timing out of SMPI parts of the application", false};
51 static simgrid::config::Flag<bool> trace_view_internals{
52 OPT_TRACING_SMPI_INTERNALS, "View internal messages sent by Collective communications in SMPI", false};
53 static simgrid::config::Flag<bool> trace_categorized{
54 OPT_TRACING_CATEGORIZED, "Tracing categorized resource utilization of hosts and links.", false};
55 static simgrid::config::Flag<bool> trace_uncategorized{
56 OPT_TRACING_UNCATEGORIZED, "Tracing uncategorized resource utilization of hosts and links.", false};
57 static simgrid::config::Flag<bool> trace_actor_enabled{OPT_TRACING_ACTOR, "Tracing of actor behavior.", false};
58 static simgrid::config::Flag<bool> trace_vm_enabled{OPT_TRACING_VM, "Tracing of virtual machine behavior.", false};
59 static simgrid::config::Flag<bool> trace_buffer{OPT_TRACING_BUFFER,
60 "Buffer trace events to put them in temporal order.", true};
61 static simgrid::config::Flag<bool> trace_disable_destroy{
62 OPT_TRACING_DISABLE_DESTROY, {"tracing/disable_destroy"}, "Disable platform containers destruction.", false};
63 static simgrid::config::Flag<bool> trace_basic{OPT_TRACING_BASIC, "Avoid extended events (impoverished trace file).",
65 static simgrid::config::Flag<bool> trace_display_sizes{OPT_TRACING_DISPLAY_SIZES,
66 {"tracing/smpi/display_sizes"},
67 "(smpi only) Extended events with message size information",
69 static simgrid::config::Flag<bool> trace_disable_link{
70 OPT_TRACING_DISABLE_LINK, {"tracing/disable_link"}, "Do not trace link bandwidth and latency.", false};
71 static simgrid::config::Flag<bool> trace_disable_power{
72 OPT_TRACING_DISABLE_POWER, {"tracing/disable_power"}, "Do not trace host power.", false};
74 static bool trace_active = false;
76 simgrid::instr::TraceFormat simgrid::instr::trace_format = simgrid::instr::TraceFormat::Paje;
80 // tracing system must be:
81 // - enabled (with --cfg=tracing:yes)
82 // - already configured (TRACE_global_init already called)
83 if (TRACE_is_enabled()) {
85 XBT_DEBUG("Tracing starts");
86 /* init the tracing module to generate the right output */
88 /* open the trace file(s) */
89 std::string format = xbt_cfg_get_string(OPT_TRACING_FORMAT);
90 XBT_DEBUG("Tracing format %s\n", format.c_str());
91 if (format == "Paje") {
93 } else if (format == "TI") {
94 simgrid::instr::trace_format = simgrid::instr::TraceFormat::Ti;
97 xbt_die("Unknown trace format :%s ", format.c_str());
102 THROWF(tracing_error, 0, "Tracing is already active");
105 XBT_DEBUG("Tracing is on");
113 if (not trace_active) {
118 /* dump trace buffer */
119 TRACE_last_timestamp_to_dump = surf_get_clock();
120 TRACE_paje_dump_buffer(true);
122 simgrid::instr::Type* root_type = simgrid::instr::Container::getRoot()->type_;
123 /* destroy all data structures of tracing (and free) */
124 delete simgrid::instr::Container::getRoot();
127 /* close the trace files */
128 std::string format = xbt_cfg_get_string(OPT_TRACING_FORMAT);
129 XBT_DEBUG("Tracing format %s\n", format.c_str());
130 if (format == "Paje") {
132 } else if (format == "TI") {
135 xbt_die("Unknown trace format :%s ", format.c_str());
138 /* de-activate trace */
139 trace_active = false;
140 XBT_DEBUG("Tracing is off");
141 XBT_DEBUG("Tracing system is shutdown");
146 bool TRACE_needs_platform ()
148 return TRACE_actor_is_enabled() || TRACE_vm_is_enabled() || TRACE_categorized() || TRACE_uncategorized() ||
149 TRACE_platform() || (TRACE_smpi_is_enabled() && TRACE_smpi_is_grouped());
152 bool TRACE_is_enabled()
154 return trace_enabled;
157 bool TRACE_platform()
159 return trace_platform;
162 bool TRACE_platform_topology()
164 return trace_platform_topology;
167 bool TRACE_smpi_is_enabled()
169 return (trace_smpi_enabled || TRACE_smpi_is_grouped()) && TRACE_is_enabled();
172 bool TRACE_smpi_is_grouped()
174 return trace_smpi_grouped;
177 bool TRACE_smpi_is_computing()
179 return trace_smpi_computing;
182 bool TRACE_smpi_is_sleeping()
184 return trace_smpi_sleeping;
187 bool TRACE_smpi_view_internals()
189 return trace_view_internals;
192 bool TRACE_categorized ()
194 return trace_categorized;
197 bool TRACE_uncategorized ()
199 return trace_uncategorized;
202 bool TRACE_actor_is_enabled()
204 return trace_actor_enabled && TRACE_is_enabled();
207 bool TRACE_vm_is_enabled()
209 return trace_vm_enabled && TRACE_is_enabled();
212 bool TRACE_disable_link()
214 return trace_disable_link && TRACE_is_enabled();
217 bool TRACE_disable_speed()
219 return trace_disable_power && TRACE_is_enabled();
224 return trace_buffer && TRACE_is_enabled();
227 bool TRACE_disable_destroy ()
229 return trace_disable_destroy && TRACE_is_enabled();
234 return trace_basic && TRACE_is_enabled();
237 bool TRACE_display_sizes ()
239 return trace_display_sizes && trace_smpi_enabled && TRACE_is_enabled();
242 std::string TRACE_get_comment()
244 return xbt_cfg_get_string(OPT_TRACING_COMMENT);
247 std::string TRACE_get_comment_file()
249 return xbt_cfg_get_string(OPT_TRACING_COMMENT_FILE);
252 int TRACE_precision ()
254 return xbt_cfg_get_int(OPT_TRACING_PRECISION);
257 std::string TRACE_get_filename()
259 return xbt_cfg_get_string(OPT_TRACING_FILENAME);
262 void TRACE_global_init()
264 static bool is_initialised = false;
268 is_initialised = true;
269 /* name of the tracefile */
270 simgrid::config::declare_flag<std::string>(OPT_TRACING_FILENAME, "Trace file created by the instrumented SimGrid.",
272 simgrid::config::declare_flag<std::string>(OPT_TRACING_FORMAT, "(smpi only) Switch the output format of Tracing",
274 simgrid::config::declare_flag<bool>(OPT_TRACING_FORMAT_TI_ONEFILE,
275 "(smpi only) For replay format only : output to one file only", false);
276 simgrid::config::alias(OPT_TRACING_FORMAT_TI_ONEFILE, {"tracing/smpi/format/ti_one_file"});
277 simgrid::config::declare_flag<std::string>(OPT_TRACING_COMMENT, "Comment to be added on the top of the trace file.",
279 simgrid::config::declare_flag<std::string>(
280 OPT_TRACING_COMMENT_FILE, "The contents of the file are added to the top of the trace file as comment.", "");
281 simgrid::config::alias(OPT_TRACING_COMMENT_FILE, {"tracing/comment_file"});
282 simgrid::config::declare_flag<int>(OPT_TRACING_PRECISION, "Numerical precision used when timestamping events "
283 "(expressed in number of digits after decimal point)",
287 static void print_line (const char *option, const char *desc, const char *longdesc, int detailed)
289 std::string str = std::string("--cfg=") + option + " ";
291 int len = str.size();
292 printf("%s%*.*s %s\n", str.c_str(), 30 - len, 30 - len, "", desc);
293 if (longdesc != nullptr && detailed){
294 printf ("%s\n\n", longdesc);
298 void TRACE_help (int detailed)
300 printf("Description of the tracing options accepted by this simulator:\n\n");
301 print_line (OPT_TRACING, "Enable the tracing system",
302 " It activates the tracing system and register the simulation platform\n"
303 " in the trace file. You have to enable this option to others take effect.", detailed);
304 print_line (OPT_TRACING_CATEGORIZED, "Trace categorized resource utilization",
305 " It activates the categorized resource utilization tracing. It should\n"
306 " be enabled if tracing categories are used by this simulator.", detailed);
307 print_line (OPT_TRACING_UNCATEGORIZED, "Trace uncategorized resource utilization",
308 " It activates the uncategorized resource utilization tracing. Use it if\n"
309 " this simulator do not use tracing categories and resource use have to be\n"
310 " traced.", detailed);
311 print_line(OPT_TRACING_FILENAME, "Filename to register traces",
312 " A file with this name will be created to register the simulation. The file\n"
313 " is in the Paje format and can be analyzed using Paje, and PajeNG visualization\n"
314 " tools. More information can be found in these webpages:\n"
315 " http://github.com/schnorr/pajeng/\n"
316 " http://paje.sourceforge.net/",
318 print_line (OPT_TRACING_SMPI, "Trace the MPI Interface (SMPI)",
319 " This option only has effect if this simulator is SMPI-based. Traces the MPI\n"
320 " interface and generates a trace that can be analyzed using Gantt-like\n"
321 " visualizations. Every MPI function (implemented by SMPI) is transformed in a\n"
322 " state, and point-to-point communications can be analyzed with arrows.", detailed);
323 print_line (OPT_TRACING_SMPI_GROUP, "Group MPI processes by host (SMPI)",
324 " This option only has effect if this simulator is SMPI-based. The processes\n"
325 " are grouped by the hosts where they were executed.", detailed);
326 print_line (OPT_TRACING_SMPI_COMPUTING, "Generates a \" Computing \" State",
327 " This option aims at tracing computations in the application, outside SMPI\n"
328 " to allow further study of simulated or real computation time", detailed);
329 print_line (OPT_TRACING_SMPI_SLEEPING, "Generates a \" Sleeping \" State",
330 " This option aims at tracing sleeps in the application, outside SMPI\n"
331 " to allow further study of simulated or real sleep time", detailed);
332 print_line (OPT_TRACING_SMPI_INTERNALS, "Generates tracing events corresponding",
333 " to point-to-point messages sent by collective communications", detailed);
334 print_line(OPT_TRACING_ACTOR, "Trace actor behavior",
335 " This option traces the behavior of all categorized actors, grouping them\n"
336 " by hosts. This option can be used to track actor location if the simulator\n"
337 " does actor migration.",
339 print_line (OPT_TRACING_BUFFER, "Buffer events to put them in temporal order",
340 " This option put some events in a time-ordered buffer using the insertion\n"
341 " sort algorithm. The process of acquiring and releasing locks to access this\n"
342 " buffer and the cost of the sorting algorithm make this process slow. The\n"
343 " simulator performance can be severely impacted if this option is activated,\n"
344 " but you are sure to get a trace file with events sorted.", detailed);
345 print_line (OPT_TRACING_DISABLE_DESTROY, "Disable platform containers destruction",
346 " Disable the destruction of containers at the end of simulation. This can be\n"
347 " used with simulators that have a different notion of time (different from\n"
348 " the simulated time).", detailed);
349 print_line (OPT_TRACING_BASIC, "Avoid extended events (impoverished trace file).",
350 " Some visualization tools are not able to parse correctly the Paje file format.\n"
351 " Use this option if you are using one of these tools to visualize the simulation\n"
352 " trace. Keep in mind that the trace might be incomplete, without all the\n"
353 " information that would be registered otherwise.", detailed);
354 print_line (OPT_TRACING_DISPLAY_SIZES, "Only works for SMPI now. Add message size information",
355 " Message size (in bytes) is added to links, and to states. For collectives,\n"
356 " the displayed value is the more relevant to the collective (total sent by\n"
357 " the process, usually)", detailed);
358 print_line (OPT_TRACING_FORMAT, "Only works for SMPI now. Switch output format",
359 " Default format is Paje. Time independent traces are also supported,\n"
360 " to output traces that can later be used by the trace replay tool", detailed);
361 print_line (OPT_TRACING_FORMAT_TI_ONEFILE, "Only works for SMPI now, and TI output format",
362 " By default, each process outputs to a separate file, inside a filename_files folder\n"
363 " By setting this option to yes, all processes will output to only one file\n"
364 " This is meant to avoid opening thousands of files with large simulations", detailed);
365 print_line (OPT_TRACING_COMMENT, "Comment to be added on the top of the trace file.",
366 " Use this to add a comment line to the top of the trace file.", detailed);
367 print_line (OPT_TRACING_COMMENT_FILE, "File contents added to trace file as comment.",
368 " Use this to add the contents of a file to the top of the trace file as comment.", detailed);
369 print_line (OPT_TRACING_TOPOLOGY, "Register the platform topology as a graph",
370 " This option (enabled by default) can be used to disable the tracing of\n"
371 " the platform topology in the trace file. Sometimes, such task is really\n"
372 " time consuming, since it must get the route from each host to other hosts\n"
373 " within the same Autonomous System (AS).", detailed);