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 #define OPT_TRACING "tracing"
13 #define OPT_TRACING_SMPI "tracing/smpi"
14 #define OPT_TRACING_SMPI_GROUP "tracing/smpi/group"
15 #define OPT_TRACING_PLATFORM "tracing/platform"
16 #define OPT_TRACING_UNCATEGORIZED "tracing/uncategorized"
17 #define OPT_TRACING_MSG_TASK "tracing/msg/task"
18 #define OPT_TRACING_MSG_PROCESS "tracing/msg/process"
19 #define OPT_TRACING_MSG_VOLUME "tracing/msg/volume"
20 #define OPT_TRACING_FILENAME "tracing/filename"
21 #define OPT_TRACING_PLATFORM_METHOD "tracing/platform/method"
23 static int trace_configured = 0;
25 int TRACE_is_enabled(void)
27 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING);
30 int TRACE_is_configured(void)
32 return trace_configured;
35 int TRACE_smpi_is_enabled(void)
37 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI);
40 int TRACE_smpi_is_grouped(void)
42 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_SMPI_GROUP);
45 int TRACE_platform_is_enabled(void)
47 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_PLATFORM);
50 int TRACE_uncategorized (void)
52 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_UNCATEGORIZED);
55 int TRACE_msg_task_is_enabled(void)
57 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_TASK);
60 int TRACE_msg_process_is_enabled(void)
62 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_PROCESS);
65 int TRACE_msg_volume_is_enabled(void)
67 return xbt_cfg_get_int(_surf_cfg_set, OPT_TRACING_MSG_VOLUME);
70 char *TRACE_get_filename(void)
72 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRACING_FILENAME);
75 char *TRACE_get_platform_method(void)
77 return xbt_cfg_get_string(_surf_cfg_set, OPT_TRACING_PLATFORM_METHOD);
80 void TRACE_global_init(int *argc, char **argv)
82 /* name of the tracefile */
83 char *default_tracing_filename = xbt_strdup("simgrid.trace");
84 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_FILENAME,
85 "Trace file created by the instrumented SimGrid.",
86 xbt_cfgelm_string, &default_tracing_filename, 1, 1,
90 int default_tracing = 0;
91 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING,
93 xbt_cfgelm_int, &default_tracing, 0, 1,
97 int default_tracing_smpi = 0;
98 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_SMPI,
99 "Tracing of the SMPI interface.",
100 xbt_cfgelm_int, &default_tracing_smpi, 0, 1,
104 int default_tracing_smpi_grouped = 0;
105 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_SMPI_GROUP,
106 "Group MPI processes by host.",
107 xbt_cfgelm_int, &default_tracing_smpi_grouped, 0, 1,
112 int default_tracing_platform = 0;
113 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_PLATFORM,
114 "Tracing of categorized platform (host and link) utilization.",
115 xbt_cfgelm_int, &default_tracing_platform, 0, 1,
118 /* tracing uncategorized resource utilization */
119 int default_tracing_uncategorized = 0;
120 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_UNCATEGORIZED,
121 "Tracing of uncategorized resource (host and link) utilization.",
122 xbt_cfgelm_int, &default_tracing_uncategorized, 0, 1,
125 /* platform method */
126 char *default_tracing_platform_method = xbt_strdup("a");
127 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_PLATFORM_METHOD,
128 "Tracing method used to register categorized resource behavior.",
129 xbt_cfgelm_string, &default_tracing_platform_method, 1,
133 int default_tracing_msg_task = 0;
134 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_TASK,
135 "Tracing of MSG task behavior.",
136 xbt_cfgelm_int, &default_tracing_msg_task, 0, 1,
140 int default_tracing_msg_process = 0;
141 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_PROCESS,
142 "Tracing of MSG process behavior.",
143 xbt_cfgelm_int, &default_tracing_msg_process, 0, 1,
146 /* msg volume (experimental) */
147 int default_tracing_msg_volume = 0;
148 xbt_cfg_register(&_surf_cfg_set, OPT_TRACING_MSG_VOLUME,
149 "Tracing of MSG communication volume (experimental).",
150 xbt_cfgelm_int, &default_tracing_msg_volume, 0, 1,
153 /* instrumentation can be considered configured now */
154 trace_configured = 1;
157 static void print_line (const char *option, const char *desc, const char *longdesc, int detailed)
159 char str[INSTR_DEFAULT_STR_SIZE];
160 snprintf (str, INSTR_DEFAULT_STR_SIZE, "--cfg=%s ", option);
162 int len = strlen (str);
163 printf ("%s%*.*s %s\n", str, 30-len, 30-len, "", desc);
164 if (!!longdesc && detailed){
165 printf ("%s\n\n", longdesc);
169 void TRACE_help (int detailed)
172 "Description of the tracing options accepted by this simulator:\n\n");
173 print_line (OPT_TRACING, "Enable the tracing system",
174 " It activates the tracing system and register the simulation platform\n"
175 " in the trace file. You have to enable this option to others take effect.",
177 print_line (OPT_TRACING_PLATFORM, "Trace categorized resource utilization",
178 " It activates the categorized resource utilization tracing. It should\n"
179 " be enabled if tracing categories are used by this simulator.",
181 print_line (OPT_TRACING_UNCATEGORIZED, "Trace uncategorized resource utilization",
182 " It activates the uncategorized resource utilization tracing. Use it if\n"
183 " this simulator do not use tracing categories and resource use have to be\n"
186 print_line (OPT_TRACING_PLATFORM_METHOD, "Change the resource utilization tracing method",
187 " It changes the way resource utilization (categorized or not) is traced\n"
188 " inside the simulation core. Method 'a' (default) traces all updates defined\n"
189 " by the CPU/network model of a given resource. Depending on the interface used\n"
190 " by this simulator (MSG, SMPI, SimDAG), the default method can generate large\n"
191 " trace files. Method 'b' tries to make smaller tracefiles using clever updates,\n"
192 " without losing details of resource utilization. Method 'c' generates even\n"
193 " smaller files by doing time integration during the simulation, but it loses\n"
194 " precision. If this last method is used, the smallest timeslice used in the\n"
195 " tracefile analysis must be bigger than the smaller resource utilization. If\n"
196 " unsure, do not change this option.",
198 print_line (OPT_TRACING_FILENAME, "Filename to register traces",
199 " A file with this name will be created to register the simulation. The file\n"
200 " is in the Paje format and can be analyzed using Triva or Paje visualization\n"
201 " tools. More information can be found in these webpages:\n"
202 " http://triva.gforge.inria.fr/\n"
203 " http://paje.sourceforge.net/",
205 print_line (OPT_TRACING_SMPI, "Trace the MPI Interface (SMPI)",
206 " This option only has effect if this simulator is SMPI-based. Traces the MPI\n"
207 " interface and generates a trace that can be analyzed using Gantt-like\n"
208 " visualizations. Every MPI function (implemented by SMPI) is transformed in a\n"
209 " state, and point-to-point communications can be analyzed with arrows.",
211 print_line (OPT_TRACING_SMPI_GROUP, "Group MPI processes by host (SMPI)",
212 " This option only has effect if this simulator is SMPI-based. The processes\n"
213 " are grouped by the hosts where they were executed.",
215 print_line (OPT_TRACING_MSG_TASK, "Trace task behavior (MSG)",
216 " This option only has effect if this simulator is MSG-based. It traces the\n"
217 " behavior of all categorized MSG tasks, grouping them by hosts.",
219 print_line (OPT_TRACING_MSG_PROCESS, "Trace processes behavior (MSG)",
220 " This option only has effect if this simulator is MSG-based. It traces the\n"
221 " behavior of all categorized MSG processes, grouping them by hosts. This option\n"
222 " can be used to track process location if this simulator has process migration.",
224 print_line (OPT_TRACING_MSG_VOLUME, "Tracing of communication volume (MSG)",
225 " This experimental option only has effect if this simulator is MSG-based.\n"
226 " It traces the communication volume of MSG send/receive.",
231 #undef OPT_TRACING_SMPI
232 #undef OPT_TRACING_SMPI_GROUP
233 #undef OPT_TRACING_PLATFORM
234 #undef OPT_TRACING_UNCATEGORIZED
235 #undef OPT_TRACING_MSG_TASK
236 #undef OPT_TRACING_MSG_PROCESS
237 #undef OPT_TRACING_MSG_VOLUME
238 #undef OPT_TRACING_FILENAME
239 #undef OPT_TRACING_PLATFORM_METHOD