lttv/modules/text/textDump.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 Michel Dagenais
   3  *               2005 Mathieu Desnoyers
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License Version 2 as
   7  * published by the Free Software Foundation;
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  17  * MA 02111-1307, USA.
  18  */
  19
  20 /* The text dump facility needs to print headers before the trace set and
  21    before each trace, to print each event, and to print statistics
  22    after each trace. */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 #include <lttv/lttv.h>
  29 #include <lttv/option.h>
  30 #include <lttv/module.h>
  31 #include <lttv/hook.h>
  32 #include <lttv/attribute.h>
  33 #include <lttv/iattribute.h>
  34 #ifdef BABEL_CLEANUP
  35 #include <lttv/stats.h>
  36 #include <lttv/filter.h>
  37 #endif
  38 // #include <lttv/traceset.h>
  39 #include <lttv/print.h>
  40 #include <ltt/ltt.h>
  41 #include <ltt/event.h>
  42 #include <ltt/trace.h>
  43 #include <stdio.h>
  44 #include <inttypes.h>
  45
  46 #include <lttv/event.h>
  47
  48 static gboolean
  49   a_noevent,
  50   a_no_field_names,
  51   a_state,
  52   a_cpu_stats,
  53   a_process_stats,
  54   a_path_output;
  55
  56 static char
  57   *a_file_name = NULL;
  58
  59 static LttvHooks
  60   *before_traceset,
  61   *after_traceset,
  62   *before_trace,
  63   *event_hook;
  64
  65
  66 static void
  67 print_path_tree(FILE *fp, GString *indent, LttvAttribute *tree)
  68 {
  69   int i, nb, saved_length;
  70
  71   LttvAttribute *subtree;
  72
  73   LttvAttributeName name;
  74
  75   LttvAttributeValue value;
  76
  77   LttvAttributeType type;
  78
  79   gboolean is_named;
  80
  81   saved_length = indent->len;
  82   nb = lttv_attribute_get_number(tree);
  83   for(i = 0 ; i < nb ; i++) {
  84     type = lttv_attribute_get(tree, i, &name, &value, &is_named);
  85     if(is_named) {
  86       g_string_sprintfa(indent, "/%s", g_quark_to_string(name));
  87     } else {
  88             g_string_sprintfa(indent, "/%" PRIu32, (guint32) name);
  89     }
  90
  91     switch(type) {
  92       case LTTV_INT:
  93        fprintf(fp, "%s: %d\n", indent->str, *value.v_int);
  94         break;
  95       case LTTV_UINT:
  96        fprintf(fp, "%s: %d\n", indent->str, *value.v_int);
  97         break;
  98       case LTTV_LONG:
  99        fprintf(fp, "%s: %ld\n", indent->str, *value.v_ulong);
 100         break;
 101       case LTTV_ULONG:
 102        fprintf(fp, "%s: %lu\n", indent->str, *value.v_ulong);
 103         break;
 104       case LTTV_FLOAT:
 105        fprintf(fp, "%s: %f\n", indent->str, (double) *value.v_float);
 106         break;
 107       case LTTV_DOUBLE:
 108         fprintf(fp, "%s: %f\n", indent->str, *value.v_double);
 109         break;
 110       case LTTV_TIME:
 111        fprintf(fp, "%s: %lu.%09lu\n", indent->str, value.v_time->tv_sec, value.v_time->tv_nsec);
 112         break;
 113       case LTTV_POINTER:
 114        fprintf(fp, "%s: POINTER\n", indent->str);
 115         break;
 116       case LTTV_STRING:
 117        fprintf(fp, "%s: %s\n", indent->str, *value.v_string);
 118         break;
 119       case LTTV_GOBJECT:
 120         if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
 121           subtree = (LttvAttribute*) *(value.v_gobject);
 122           print_path_tree(fp, indent, subtree);
 123         } else {
 124          fprintf(fp, "%s: GOBJECT\n", indent->str);
 125        }
 126         break;
 127       case LTTV_NONE:
 128         break;
 129     }
 130     g_string_truncate(indent, saved_length);
 131   }
 132 }
 133
 134 static void
 135 print_tree(FILE *fp, GString *indent, LttvAttribute *tree)
 136 {
 137   int i, nb, saved_length;
 138
 139   LttvAttribute *subtree;
 140
 141   LttvAttributeName name;
 142
 143   LttvAttributeValue value;
 144
 145   LttvAttributeType type;
 146
 147         gboolean is_named;
 148
 149   nb = lttv_attribute_get_number(tree);
 150   for(i = 0 ; i < nb ; i++) {
 151     type = lttv_attribute_get(tree, i, &name, &value, &is_named);
 152                 if(is_named)
 153             fprintf(fp, "%s%s: ", indent->str, g_quark_to_string(name));
 154                 else
 155                         fprintf(fp, "%s%" PRIu32 ": ", indent->str,
 156                                 (guint32) name);
 157
 158     switch(type) {
 159       case LTTV_INT:
 160         fprintf(fp, "%d\n", *value.v_int);
 161         break;
 162       case LTTV_UINT:
 163         fprintf(fp, "%u\n", *value.v_uint);
 164         break;
 165       case LTTV_LONG:
 166         fprintf(fp, "%ld\n", *value.v_long);
 167         break;
 168       case LTTV_ULONG:
 169         fprintf(fp, "%lu\n", *value.v_ulong);
 170         break;
 171       case LTTV_FLOAT:
 172         fprintf(fp, "%f\n", (double)*value.v_float);
 173         break;
 174       case LTTV_DOUBLE:
 175         fprintf(fp, "%f\n", *value.v_double);
 176         break;
 177       case LTTV_TIME:
 178         fprintf(fp, "%10lu.%09lu\n", value.v_time->tv_sec,
 179             value.v_time->tv_nsec);
 180         break;
 181       case LTTV_POINTER:
 182         fprintf(fp, "POINTER\n");
 183         break;
 184       case LTTV_STRING:
 185         fprintf(fp, "%s\n", *value.v_string);
 186         break;
 187       case LTTV_GOBJECT:
 188         if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
 189           fprintf(fp, "\n");
 190           subtree = (LttvAttribute *)*(value.v_gobject);
 191           saved_length = indent->len;
 192           indent = g_string_append(indent, "  ");
 193           print_tree(fp, indent, subtree);
 194           g_string_truncate(indent, saved_length);
 195         }
 196         else fprintf(fp, "GOBJECT\n");
 197         break;
 198       case LTTV_NONE:
 199         break;
 200     }
 201   }
 202 }
 203 #ifdef BABEL_CLEANUP
 204 static void
 205 print_stats(FILE *fp, LttvTracesetStats *tscs)
 206 {
 207   int i, nb, saved_length;
 208
 209   LttvTraceset *ts;
 210
 211   LttvTraceStats *tcs;
 212
 213   GString *indent;
 214
 215   if(tscs->stats == NULL) return;
 216   indent = g_string_new("");
 217   fprintf(fp, "Traceset statistics:\n\n");
 218   if(a_path_output) {
 219     print_path_tree(fp, indent, tscs->stats);
 220   } else {
 221     print_tree(fp, indent, tscs->stats);
 222   }
 223
 224   ts = tscs->parent.parent.ts;
 225   nb = lttv_traceset_number(ts);
 226
 227   for(i = 0 ; i < nb ; i++) {
 228     tcs = (LttvTraceStats *)(LTTV_TRACESET_CONTEXT(tscs)->traces[i]);
 229 #if 0 //FIXME
 230     LttSystemDescription *desc;
 231     desc = ltt_trace_system_description(tcs->parent.parent.t);
 232     LttTime start_time = ltt_trace_system_description_trace_start_time(desc);
 233     fprintf(fp, "Trace on system %s at time %lu.%09lu :\n",
 234             ltt_trace_system_description_node_name(desc),
 235             start_time.tv_sec,
 236       start_time.tv_nsec);
 237 #endif //FIXME
 238     saved_length = indent->len;
 239     if(a_path_output) {
 240       g_string_sprintfa(indent, "/trace%i", i);
 241       print_path_tree(fp, indent, tcs->stats);
 242     } else {
 243       g_string_append(indent, "  ");
 244       print_tree(fp, indent, tcs->stats);
 245     }
 246     g_string_truncate(indent, saved_length);
 247   }
 248   g_string_free(indent, TRUE);
 249 }
 250 #endif
 251 /* Insert the hooks before and after each trace and tracefile, and for each
 252    event. Print a global header. */
 253
 254 static FILE *a_file;
 255
 256 static GString *a_string;
 257
 258 static gboolean write_traceset_header(void *hook_data, void *call_data)
 259 {
 260   LttvTraceset *traceset = (LttvTraceset *)call_data;
 261
 262   g_info("TextDump traceset header");
 263
 264   if(a_file_name == NULL) a_file = stdout;
 265   else a_file = fopen(a_file_name, "w");
 266
 267   if(a_file == NULL) g_error("cannot open file %s", a_file_name);
 268
 269   /* Print the trace set header */
 270   fprintf(a_file,"Trace set contains %d traces\n\n",
 271       lttv_traceset_number(traceset));
 272
 273   return FALSE;
 274 }
 275
 276
 277 static gboolean write_traceset_footer(void *hook_data, void *call_data)
 278 {
 279   LttvTraceset *traceset = (LttvTraceset *)call_data;
 280
 281   g_info("TextDump traceset footer");
 282
 283   fprintf(a_file,"End trace set\n\n");
 284 #ifdef BABEL_CLEANUP
 285   if(LTTV_IS_TRACESET_STATS(tc)) {
 286     lttv_stats_sum_traceset((LttvTracesetStats *)tc, ltt_time_infinite);
 287     print_stats(a_file, (LttvTracesetStats *)tc);
 288   }
 289 #endif
 290   if(a_file_name != NULL) fclose(a_file);
 291
 292   return FALSE;
 293 }
 294
 295
 296 static gboolean write_trace_header(void *hook_data, void *call_data)
 297 {
 298 #if 0 //FIXME
 299   LttvTraceContext *tc = (LttvTraceContext *)call_data;
 300   LttSystemDescription *system = ltt_trace_system_description(tc->t);
 301
 302   fprintf(a_file,"  Trace from %s in %s\n%s\n\n",
 303           ltt_trace_system_description_node_name(system),
 304           ltt_trace_system_description_domain_name(system),
 305           ltt_trace_system_description_description(system));
 306 #endif //0
 307   return FALSE;
 308 }
 309
 310 static int write_event_content(void *hook_data, void *call_data)
 311 {
 312   gboolean result;
 313
 314   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
 315
 316   LttvEvent *event = (LttvEvent *)call_data;
 317 #ifdef BABEL_CLEANUP
 318   LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
 319
 320   LttvTracefileState *tfs = (LttvTracefileState *)call_data;
 321
 322   LttEvent *e;
 323
 324   LttvAttributeValue value_filter;
 325
 326   LttvFilter *filter;
 327
 328   guint cpu = tfs->cpu;
 329   LttvTraceState *ts = (LttvTraceState*)tfc->t_context;
 330   LttvProcessState *process = ts->running_process[cpu];
 331
 332   if (a_noevent)
 333     return FALSE;
 334
 335   e = ltt_tracefile_get_event(tfc->tf);
 336
 337   result = lttv_iattribute_find_by_path(attributes, "filter/lttv_filter",
 338       LTTV_POINTER, &value_filter);
 339   g_assert(result);
 340   filter = (LttvFilter*)*(value_filter.v_pointer);
 341
 342   /*
 343    * call to the filter if available
 344    */
 345   if(filter->head != NULL)
 346     if(!lttv_filter_tree_parse(filter->head,e,tfc->tf,
 347                                tfc->t_context->t,tfc,NULL,NULL))
 348       return FALSE;
 349 #endif
 350 #ifdef BABEL_CLEANUP
 351   lttv_event_to_string(e, a_string, TRUE, !a_no_field_names, tfs);
 352 #endif
 353
 354   /* TODO 2012-03-12 Add state info */
 355   lttv_event_to_string(event, a_string, !a_no_field_names, TRUE);
 356
 357 #ifdef BABEL_CLEANUP
 358   if(a_state) {
 359     g_string_append_printf(a_string, " %s ",
 360         g_quark_to_string(process->state->s));
 361   }
 362 #endif
 363
 364   g_string_append_printf(a_string,"\n");
 365
 366   fputs(a_string->str, a_file);
 367
 368   return FALSE;
 369 }
 370
 371
 372 static void init()
 373 {
 374   gboolean result;
 375
 376   LttvAttributeValue value;
 377
 378   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
 379
 380   g_info("Init textDump.c");
 381
 382   a_string = g_string_new("");
 383
 384   a_file_name = NULL;
 385   lttv_option_add("output", 'o',
 386       "output file where the text is written",
 387       "file name",
 388       LTTV_OPT_STRING, &a_file_name, NULL, NULL);
 389
 390   a_noevent = FALSE;
 391   lttv_option_add("noevent", 'n',
 392       "disable event printout",
 393       "",
 394       LTTV_OPT_NONE, &a_noevent, NULL, NULL);
 395
 396   a_no_field_names = FALSE;
 397   lttv_option_add("field_names", 's',
 398       "do not write the field names for each event",
 399       "",
 400       LTTV_OPT_NONE, &a_no_field_names, NULL, NULL);
 401
 402   a_state = FALSE;
 403   lttv_option_add("process_state", 'r',
 404       "write the pid and state for each event",
 405       "",
 406       LTTV_OPT_NONE, &a_state, NULL, NULL);
 407
 408   a_cpu_stats = FALSE;
 409   lttv_option_add("cpu_stats", 'c',
 410       "write the per cpu statistics",
 411       "",
 412       LTTV_OPT_NONE, &a_cpu_stats, NULL, NULL);
 413
 414   a_process_stats = FALSE;
 415   lttv_option_add("process_stats", 'p',
 416       "write the per process statistics",
 417       "",
 418       LTTV_OPT_NONE, &a_process_stats, NULL, NULL);
 419
 420   a_path_output = FALSE;
 421   lttv_option_add("path_output", 'a',
 422       "print the process stats in path format, for easy grepping",
 423       "",
 424       LTTV_OPT_NONE, &a_path_output, NULL, NULL);
 425
 426   result = lttv_iattribute_find_by_path(attributes, "hooks/event",
 427       LTTV_POINTER, &value);
 428   g_assert(result);
 429   event_hook = *(value.v_pointer);
 430   g_assert(event_hook);
 431   lttv_hooks_add(event_hook, write_event_content, NULL, LTTV_PRIO_DEFAULT);
 432
 433   result = lttv_iattribute_find_by_path(attributes, "hooks/trace/before",
 434       LTTV_POINTER, &value);
 435   g_assert(result);
 436   before_trace = *(value.v_pointer);
 437   g_assert(before_trace);
 438   lttv_hooks_add(before_trace, write_trace_header, NULL, LTTV_PRIO_DEFAULT);
 439
 440   result = lttv_iattribute_find_by_path(attributes, "hooks/traceset/before",
 441       LTTV_POINTER, &value);
 442   g_assert(result);
 443   before_traceset = *(value.v_pointer);
 444   g_assert(before_traceset);
 445   lttv_hooks_add(before_traceset, write_traceset_header, NULL,
 446       LTTV_PRIO_DEFAULT);
 447
 448   result = lttv_iattribute_find_by_path(attributes, "hooks/traceset/after",
 449       LTTV_POINTER, &value);
 450   g_assert(result);
 451   after_traceset = *(value.v_pointer);
 452   g_assert(after_traceset);
 453   lttv_hooks_add(after_traceset, write_traceset_footer, NULL,
 454       LTTV_PRIO_DEFAULT);
 455 }
 456
 457 static void destroy()
 458 {
 459   g_info("Destroy textDump");
 460
 461   lttv_option_remove("noevent");
 462
 463   lttv_option_remove("output");
 464
 465   lttv_option_remove("field_names");
 466
 467   lttv_option_remove("process_state");
 468
 469   lttv_option_remove("cpu_stats");
 470
 471   lttv_option_remove("process_stats");
 472
 473   lttv_option_remove("path_output");
 474
 475   g_string_free(a_string, TRUE);
 476
 477   lttv_hooks_remove_data(event_hook, write_event_content, NULL);
 478
 479   lttv_hooks_remove_data(before_trace, write_trace_header, NULL);
 480
 481   lttv_hooks_remove_data(before_traceset, write_traceset_header, NULL);
 482
 483   lttv_hooks_remove_data(after_traceset, write_traceset_footer, NULL);
 484 }
 485
 486
 487 LTTV_MODULE("textDump", "Print events in a file", \
 488             "Produce a detailed text printout of a trace", \
 489             init, destroy, "batchAnalysis", "option", "print")
 490