ltt/branches/poly/lttv/lttv/batchtest.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 Michel Dagenais
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19 /* This module inserts a hook in the program main loop. This hook processes
  20    all the events in the main tracefile while testing the speed and
  21    functionality of the state and stats computations. */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <string.h>
  28 #include <lttv/lttv.h>
  29 #include <lttv/attribute.h>
  30 #include <lttv/hook.h>
  31 #include <lttv/option.h>
  32 #include <lttv/module.h>
  33 #include <lttv/tracecontext.h>
  34 #include <lttv/state.h>
  35 #include <lttv/stats.h>
  36 #include <ltt/trace.h>
  37 #include <ltt/event.h>
  38 #include <ltt/type.h>
  39 #include <ltt/facility.h>
  40
  41 #define __UNUSED__ __attribute__((__unused__))
  42
  43 static LttvTraceset *traceset;
  44
  45 static LttvHooks
  46   *before_traceset,
  47   *after_traceset,
  48   *before_trace,
  49   *after_trace,
  50   *before_tracefile,
  51   *after_tracefile,
  52   //*before_event,
  53   //*after_event,
  54   *event_hook,
  55   *main_hooks;
  56
  57 static char *a_trace;
  58
  59 static char *a_dump_tracefiles;
  60
  61 static char *a_save_sample;
  62
  63 static int
  64   a_sample_interval,
  65   a_sample_number,
  66   a_seek_number,
  67   a_save_interval;
  68
  69 static gboolean
  70   a_trace_event,
  71   a_save_state_copy,
  72   a_test1,
  73   a_test2,
  74   a_test3,
  75   a_test4,
  76   a_test5,
  77   a_test6,
  78   a_test7,
  79   a_test8,
  80   a_test9,
  81   a_test_all;
  82
  83 static GQuark QUARK_BLOCK_START,
  84               QUARK_BLOCK_END;
  85
  86 LttEventPosition *a_event_position;
  87
  88 typedef struct _save_state {
  89   guint count;
  90   FILE *fp;
  91   guint interval;
  92   guint position;
  93   guint size;
  94   LttTime *write_time;
  95   guint version;
  96 } SaveState;
  97
  98
  99 static void lttv_trace_option(void __UNUSED__ *hook_data)
 100 {
 101   LttTrace *trace;
 102
 103   trace = ltt_trace_open(a_trace);
 104   if(trace == NULL) {
 105     g_critical("cannot open trace %s", a_trace);
 106   } else {
 107     lttv_traceset_add(traceset, lttv_trace_new(trace));
 108   }
 109 }
 110
 111 static double get_time()
 112 {
 113   GTimeVal gt;
 114
 115   g_get_current_time(&gt);
 116   return gt.tv_sec + (double)gt.tv_usec / (double)1000000.0;
 117 }
 118
 119 static double run_one_test(LttvTracesetState *ts, LttTime start, LttTime end)
 120 {
 121   double t0, t1;
 122
 123   unsigned int i;
 124
 125   //lttv_traceset_context_add_hooks(&ts->parent,
 126   //before_traceset, after_traceset, NULL, before_trace, after_trace,
 127   //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
 128   lttv_process_traceset_begin(&ts->parent,
 129                               before_traceset,
 130                               before_trace,
 131                               before_tracefile,
 132                               event_hook,
 133                               NULL);
 134
 135   for(i = 0 ; i < lttv_traceset_number(traceset) ; i++) {
 136     ((LttvTraceState *)(ts->parent.traces[i]))->save_interval =a_save_interval;
 137   }
 138
 139   t0 = get_time();
 140   lttv_state_traceset_seek_time_closest(ts, start);
 141   //lttv_process_traceset(&ts->parent, end, G_MAXULONG);
 142   lttv_process_traceset_middle(&ts->parent,
 143                                end,
 144                                G_MAXULONG,
 145                                NULL);
 146   t1 = get_time();
 147
 148   //lttv_traceset_context_remove_hooks(&ts->parent,
 149   //before_traceset, after_traceset, NULL, before_trace, after_trace,
 150   //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
 151   lttv_process_traceset_end(&ts->parent,
 152                             after_traceset,
 153                             after_trace,
 154                             after_tracefile,
 155                             event_hook,
 156                             NULL);
 157
 158   return t1 - t0;
 159 }
 160
 161
 162 gboolean trace_event(void __UNUSED__ *hook_data, void *call_data)
 163 {
 164   LttvTracefileState *tfs = (LttvTracefileState *)call_data;
 165
 166   guint nb_block, offset;
 167
 168   guint64 tsc;
 169
 170   LttTracefile *tf;
 171   LttEvent *e = ltt_tracefile_get_event(tfs->parent.tf);
 172   ltt_event_position(e, a_event_position);
 173   ltt_event_position_get(a_event_position, &tf, &nb_block, &offset, &tsc);
 174   fprintf(stderr,"Event %s %lu.%09lu [%u 0x%x tsc %llu]\n",
 175       g_quark_to_string(ltt_eventtype_name(ltt_event_eventtype(e))),
 176       tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec,
 177       nb_block, offset, tsc);
 178   return FALSE;
 179 }
 180
 181 static LttTime count_previous_time = { 0, 0 };
 182
 183 gboolean count_event(void *hook_data, void __UNUSED__ *call_data)
 184 {
 185   LttvTracefileState *tfs = (LttvTracefileState *)call_data;
 186   LttTracefile *tracefile = tfs->parent.tf;
 187   guint nb_block, offset;
 188   LttTracefile *tf_pos;
 189   guint64 tsc;
 190   LttEvent * event = ltt_tracefile_get_event(tracefile);
 191   LttTime time;
 192   guint *pcount = (guint *)hook_data;
 193
 194   (*pcount)++;
 195
 196   time = ltt_event_time(event);
 197   ltt_event_position(event, a_event_position);
 198   ltt_event_position_get(a_event_position, &tf_pos, &nb_block, &offset, &tsc);
 199
 200   if(ltt_time_compare(time, count_previous_time) < 0) {
 201     g_warning("Time decreasing trace %s tracefile %s cpu %u position %u/0x%x",
 202   g_quark_to_string(ltt_trace_name(ltt_tracefile_get_trace(tracefile))),
 203   g_quark_to_string(ltt_tracefile_name(tracefile)),
 204   ltt_tracefile_num(tracefile), nb_block, offset);
 205     g_warning("last time %lu.%lu vs current %lu.%lu",
 206   count_previous_time.tv_sec, count_previous_time.tv_nsec,
 207   time.tv_sec, time.tv_nsec);
 208   }
 209   count_previous_time = time;
 210
 211
 212
 213   return FALSE;
 214 }
 215
 216
 217 gboolean save_state_copy_event(void *hook_data, void *call_data)
 218 {
 219   SaveState __UNUSED__ *save_state = (SaveState *)hook_data;
 220
 221   LttvTracefileState *tfs = (LttvTracefileState *)call_data;
 222
 223   LttvTraceState *ts = (LttvTraceState *)tfs->parent.t_context;
 224
 225   LttEvent *e = ltt_tracefile_get_event(tfs->parent.tf);
 226
 227   GString *filename;
 228
 229   FILE *fp;
 230
 231   if(ts->nb_event == 0 &&
 232       ltt_eventtype_name(ltt_event_eventtype(e))
 233                             == QUARK_BLOCK_START) {
 234     if(a_save_sample != NULL) {
 235       filename = g_string_new("");
 236       g_string_printf(filename, "%s.copy.%lu.%09lu.xml", a_save_sample,
 237           tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec);
 238       fp = fopen(filename->str, "w");
 239       if(fp == NULL) g_error("Cannot open %s", filename->str);
 240       g_string_free(filename, TRUE);
 241       lttv_state_write(ts, tfs->parent.timestamp, fp);
 242       fclose(fp);
 243     } //else lttv_state_write(ts, tfs->parent.timestamp, save_state->fp);
 244   }
 245   return FALSE;
 246 }
 247
 248
 249 gboolean save_state_event(void *hook_data, void *call_data)
 250 {
 251   SaveState *save_state = (SaveState *)hook_data;
 252
 253   LttvTracefileState *tfs = (LttvTracefileState *)call_data;
 254
 255   LttvTraceState *ts = (LttvTraceState *)tfs->parent.t_context;
 256
 257   GString *filename;
 258
 259   FILE *fp;
 260
 261   (save_state->count)++;
 262   if(save_state->count % save_state->interval == 0 &&
 263      save_state->position < save_state->size) {
 264     if(a_save_sample != NULL) {
 265       filename = g_string_new("");
 266       g_string_printf(filename, "%s.%u.xml.%u", a_save_sample,
 267           save_state->position, save_state->version);
 268       fp = fopen(filename->str, "w");
 269       if(fp == NULL) g_error("Cannot open %s", filename->str);
 270       g_string_free(filename, TRUE);
 271       lttv_state_write(ts, tfs->parent.timestamp, fp);
 272       fclose(fp);
 273     } //else lttv_state_write(ts, tfs->parent.timestamp, save_state->fp);
 274
 275     save_state->write_time[save_state->position] = tfs->parent.timestamp;
 276     save_state->position++;
 277   }
 278   return FALSE;
 279 }
 280
 281
 282 static void sanitize_name(gchar *name)
 283 {
 284   while(*name != '\0') {
 285     if(*name == '/') *name = '_';
 286     name++;
 287   }
 288
 289 }
 290
 291
 292 static void compute_tracefile(LttTracefile *tracefile, void *hook_data)
 293 {
 294   GString *filename;
 295   guint nb_equal, nb_block, offset;
 296   guint64 tsc;
 297   FILE *fp;
 298   LttTime time, previous_time;
 299   LttEvent *event = ltt_tracefile_get_event(tracefile);
 300   LttFacility *facility;
 301   LttEventType *event_type;
 302   int err;
 303   gchar mod_name[PATH_MAX];
 304
 305   /* start_count is always initialized in this function _if_ there is always
 306    * a block_start before a block_end.
 307    */
 308   long long unsigned cycle_count, start_count=0, delta_cycle;
 309
 310
 311   filename = g_string_new("");
 312   strcpy(mod_name, g_quark_to_string(ltt_tracefile_name(tracefile)));
 313
 314   sanitize_name(mod_name);
 315
 316   g_warning("test %s test", g_quark_to_string(ltt_tracefile_name(tracefile)));
 317   g_string_printf(filename, "%s.%s.%u.trace", a_dump_tracefiles,
 318       mod_name, ltt_tracefile_num(tracefile));
 319   fp = fopen(filename->str, "w");
 320   if(fp == NULL) g_error("Cannot open %s", filename->str);
 321   g_string_free(filename, TRUE);
 322   err = ltt_tracefile_seek_time(tracefile, ltt_time_zero);
 323   if(err) goto close;
 324
 325   previous_time = ltt_time_zero;
 326   nb_equal = 0;
 327
 328   do {
 329     LttTracefile *tf_pos;
 330     facility = ltt_event_facility(event);
 331     event_type = ltt_event_eventtype(event);
 332     time = ltt_event_time(event);
 333     ltt_event_position(event, a_event_position);
 334     ltt_event_position_get(a_event_position, &tf_pos, &nb_block, &offset, &tsc);
 335     //fprintf(fp,"%s.%s: %llu %lu.%09lu position %u/%u\n",
 336     fprintf(fp, "%s.%s: %llu %lu.%09lu position %u/%u, tracefile %s\n",
 337         g_quark_to_string(ltt_facility_name(facility)),
 338         g_quark_to_string(ltt_eventtype_name(event_type)),
 339         tsc, (unsigned long)time.tv_sec,
 340         (unsigned long)time.tv_nsec,
 341         nb_block, offset,
 342         g_quark_to_string(ltt_tracefile_name(tracefile)));
 343
 344     if(ltt_time_compare(time, previous_time) < 0) {
 345       g_warning("Time decreasing trace %s tracefile %s cpu %u position %u/0x%x",
 346     g_quark_to_string(ltt_trace_name(ltt_tracefile_get_trace(tracefile))),
 347     g_quark_to_string(ltt_tracefile_name(tracefile)),
 348     ltt_tracefile_num(tracefile), nb_block, offset);
 349       g_warning("last time %lu.%lu vs current %lu.%lu",
 350     previous_time.tv_sec, previous_time.tv_nsec,
 351     time.tv_sec, time.tv_nsec);
 352     }
 353
 354 #if 0 //FIXME
 355     if(ltt_eventtype_name(event_type) == QUARK_BLOCK_START) {
 356       start_count = cycle_count;
 357       start_time = time;
 358     }
 359     else if(ltt_eventtype_name(event_type) == QUARK_BLOCK_END) {
 360       delta_cycle = cycle_count - start_count;
 361       end_nsec_sec = (long long unsigned)time.tv_sec * (long long unsigned)1000000000;
 362       end_nsec_nsec = time.tv_nsec;
 363       end_nsec = end_nsec_sec + end_nsec_nsec;
 364       start_nsec = (long long unsigned)start_time.tv_sec * (long long unsigned)1000000000 + (long long unsigned)start_time.tv_nsec;
 365       delta_nsec = end_nsec - start_nsec;
 366       cycle_per_nsec = (double)delta_cycle / (double)delta_nsec;
 367       nsec_per_cycle = (double)delta_nsec / (double)delta_cycle;
 368       added_nsec = (double)delta_cycle * nsec_per_cycle;
 369       interpolated_nsec = start_nsec + added_nsec;
 370       added_nsec2 = (double)delta_cycle / cycle_per_nsec;
 371       interpolated_nsec2 = start_nsec + added_nsec2;
 372
 373       fprintf(fp,"Time: start_count %llu, end_count %llu, delta_cycle %llu, start_nsec %llu, end_nsec_sec %llu, end_nsec_nsec %llu, end_nsec %llu, delta_nsec %llu, cycle_per_nsec %.25f, nsec_per_cycle %.25f, added_nsec %llu, added_nsec2 %llu, interpolated_nsec %llu, interpolated_nsec2 %llu\n", start_count, cycle_count, delta_cycle, start_nsec, end_nsec_sec, end_nsec_nsec, end_nsec, delta_nsec, cycle_per_nsec, nsec_per_cycle, added_nsec, added_nsec2, interpolated_nsec, interpolated_nsec2);
 374     }
 375     else {
 376 #endif //0
 377       if(ltt_time_compare(time, previous_time) == 0) nb_equal++;
 378       else if(nb_equal > 0) {
 379         g_warning("Consecutive %d events with time %lu.%09lu",
 380                    nb_equal + 1, previous_time.tv_sec, previous_time.tv_nsec);
 381         nb_equal = 0;
 382       }
 383       previous_time = time;
 384     //}
 385   } while((!ltt_tracefile_read(tracefile)));
 386
 387 close:
 388   fclose(fp);
 389 }
 390
 391 static gboolean process_traceset(void __UNUSED__ *hook_data,
 392                                  void __UNUSED__ *call_data)
 393 {
 394   GString *filename;
 395   LttvTracesetStats *tscs;
 396
 397   LttvTracesetState *ts;
 398
 399   LttvTracesetContext *tc;
 400
 401   FILE *fp;
 402
 403   double t;
 404
 405   //guint count, nb_control, nb_tracefile, nb_block, nb_event;
 406   //guint i, j, count, nb_control, nb_tracefile, nb_block, nb_event, nb_equal;
 407   guint i, j, count;
 408
 409   LttTrace *trace;
 410
 411   long long unsigned start_nsec, end_nsec, delta_nsec, added_nsec, added_nsec2;
 412
 413   double cycle_per_nsec, nsec_per_cycle;
 414
 415   long long interpolated_nsec, interpolated_nsec2, end_nsec_sec, end_nsec_nsec;
 416
 417   LttTime start_time;
 418
 419   LttTime max_time = { G_MAXULONG, G_MAXULONG };
 420
 421   a_event_position = ltt_event_position_new();
 422
 423   GData **tracefiles_groups;
 424
 425   struct compute_tracefile_group_args args;
 426
 427   args.func = compute_tracefile;
 428   args.func_args = NULL;
 429
 430   if(a_dump_tracefiles != NULL) {
 431     for(i = 0 ; i < lttv_traceset_number(traceset) ; i++) {
 432       trace = lttv_trace(lttv_traceset_get(traceset, i));
 433       tracefiles_groups = ltt_trace_get_tracefiles_groups(trace);
 434
 435       g_datalist_foreach(tracefiles_groups,
 436                             (GDataForeachFunc)compute_tracefile_group,
 437                             &args);
 438
 439     }
 440   }
 441
 442   tscs = g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 443   ts = &tscs->parent;
 444   tc = &tscs->parent.parent;
 445
 446   lttv_context_init(tc, traceset);
 447
 448   /* For each case compute and print the elapsed time.
 449      The first case is simply to run through all events with a
 450      simple counter. */
 451
 452   if(a_test1 || a_test_all) {
 453     count = 0;
 454     lttv_hooks_add(event_hook, count_event, &count, LTTV_PRIO_DEFAULT);
 455     t = run_one_test(ts, ltt_time_zero, max_time);
 456     lttv_hooks_remove_data(event_hook, count_event, &count);
 457     g_message(
 458         "Processing trace while counting events (%u events in %g seconds)",
 459         count, t);
 460   }
 461
 462   /* Run through all events computing the state. */
 463
 464   if(a_test2 || a_test_all) {
 465     lttv_state_add_event_hooks(ts);
 466     t = run_one_test(ts, ltt_time_zero, max_time);
 467     lttv_state_remove_event_hooks(ts);
 468     g_message("Processing trace while updating state (%g seconds)", t);
 469   }
 470
 471   /* Run through all events computing the state and writing it out
 472      periodically. */
 473
 474   SaveState save_state;
 475
 476   save_state.interval = a_sample_interval;
 477   save_state.size = a_sample_number;
 478   save_state.fp = stderr;
 479   save_state.write_time = g_new(LttTime, a_sample_number);
 480
 481
 482   if(a_test3 || a_test_all) {
 483     for(i = 0 ; i < 2 ; i++) {
 484       save_state.count = 0;
 485       save_state.position = 0;
 486       save_state.version = i;
 487       lttv_state_add_event_hooks(ts);
 488       lttv_hooks_add(event_hook, save_state_event, &save_state,
 489                         LTTV_PRIO_DEFAULT);
 490       t = run_one_test(ts, ltt_time_zero, max_time);
 491       lttv_state_remove_event_hooks(ts);
 492       lttv_hooks_remove_data(event_hook, save_state_event, &save_state);
 493       g_warning("Processing while updating/writing state (%g seconds)", t);
 494     }
 495   }
 496
 497   /* Run through all events computing the stats. */
 498
 499   if(a_test4 || a_test_all) {
 500     if(lttv_profile_memory) {
 501       g_message("Memory summary before computing stats");
 502       g_mem_profile();
 503     }
 504
 505     lttv_stats_add_event_hooks(tscs);
 506     t = run_one_test(ts, ltt_time_zero, max_time);
 507     lttv_stats_remove_event_hooks(tscs);
 508     g_message("Processing trace while counting stats (%g seconds)", t);
 509
 510     if(lttv_profile_memory) {
 511       g_message("Memory summary after computing stats");
 512       g_mem_profile();
 513     }
 514
 515     lttv_stats_sum_traceset(tscs);
 516
 517     if(lttv_profile_memory) {
 518       g_message("Memory summary after summing stats");
 519       g_mem_profile();
 520     }
 521
 522     lttv_context_fini(tc);
 523     lttv_context_init(tc, traceset);
 524
 525     if(lttv_profile_memory) {
 526       g_message("Memory summary after cleaning up the stats");
 527       g_mem_profile();
 528     }
 529   }
 530
 531   /* Run through all events computing the state and stats. */
 532
 533   if(a_test5 || a_test_all) {
 534     if(lttv_profile_memory) {
 535       g_message("Memory summary before computing state and stats");
 536       g_mem_profile();
 537     }
 538
 539     lttv_state_add_event_hooks(ts);
 540     lttv_stats_add_event_hooks(tscs);
 541     t = run_one_test(ts, ltt_time_zero, max_time);
 542     lttv_state_remove_event_hooks(ts);
 543     lttv_stats_remove_event_hooks(tscs);
 544     g_message(
 545         "Processing trace while counting state and stats (%g seconds)", t);
 546
 547     if(lttv_profile_memory) {
 548       g_message("Memory summary after computing and state and stats");
 549       g_mem_profile();
 550     }
 551
 552     lttv_context_fini(tc);
 553     lttv_context_init(tc, traceset);
 554
 555     if(lttv_profile_memory) {
 556       g_message("Memory summary after cleaning up the stats");
 557       g_mem_profile();
 558     }
 559   }
 560
 561   /* Run through all events computing and saving the state. */
 562
 563   if(a_trace_event) lttv_hooks_add(event_hook, trace_event, NULL,
 564                                       LTTV_PRIO_DEFAULT);
 565
 566   if(a_test6 || a_test_all) {
 567     if(lttv_profile_memory) {
 568       g_message("Memory summary before computing and saving state");
 569       g_mem_profile();
 570     }
 571
 572     lttv_state_add_event_hooks(ts);
 573     lttv_state_save_add_event_hooks(ts);
 574     if(a_save_state_copy)
 575         lttv_hooks_add(event_hook, save_state_copy_event, &save_state,
 576                           LTTV_PRIO_DEFAULT);
 577     t = run_one_test(ts, ltt_time_zero, max_time);
 578     lttv_state_remove_event_hooks(ts);
 579     lttv_state_save_remove_event_hooks(ts);
 580     if(a_save_state_copy)
 581         lttv_hooks_remove_data(event_hook,save_state_copy_event, &save_state);
 582
 583     g_message("Processing trace while updating/saving state (%g seconds)", t);
 584
 585     if(lttv_profile_memory) {
 586       g_message("Memory summary after computing/saving state");
 587       g_mem_profile();
 588     }
 589   }
 590
 591   /* Seek a few times to each saved position */
 592
 593   if((a_test7 && a_test3) || a_test_all) {
 594     g_assert(a_seek_number >= 0);
 595     for(i = 0 ; i < (guint)a_seek_number ; i++) {
 596       gint reverse_j; /* just to make sure j is unsigned */
 597       for(reverse_j = save_state.position - 1 ; reverse_j >= 0 ; reverse_j--) {
 598         j = (guint)reverse_j;
 599         lttv_state_add_event_hooks(ts);
 600         t = run_one_test(ts, save_state.write_time[j],
 601             save_state.write_time[j]);
 602         lttv_state_remove_event_hooks(ts);
 603         g_message("Seeking to %lu.%lu (%g seconds)",
 604             save_state.write_time[j].tv_sec, save_state.write_time[j].tv_nsec,
 605             t);
 606
 607         if(a_save_sample != NULL) {
 608           filename = g_string_new("");
 609           g_string_printf(filename, "%s.%d.xml.bak%d", a_save_sample, j, i);
 610           fp = fopen(filename->str, "w");
 611           if(fp == NULL) g_error("Cannot open %s", filename->str);
 612           g_string_free(filename, TRUE);
 613           lttv_state_write((LttvTraceState *)tc->traces[0],
 614               save_state.write_time[j], fp);
 615           fclose(fp);
 616         }
 617         //else lttv_state_write((LttvTraceState *)tc->traces[0],
 618         //    save_state.write_time[j], save_state.fp);
 619       }
 620     }
 621   }
 622
 623   /* Seek at specified interval, using states computed in 6, making
 624    * sure that there is no more than the number of events between
 625    * state save interval to read before getting there.
 626    */
 627
 628   if((a_test8 && a_test6) || a_test_all) {
 629     g_message("Running test 8 : check save interval");
 630     LttTime time = tc->time_span.start_time;
 631     LttTime interval;
 632     interval.tv_sec = 0;
 633     interval.tv_nsec = 175674987;
 634     guint count;
 635
 636     while(ltt_time_compare(time, tc->time_span.end_time) < 0) {
 637       //g_message("Seeking at time %u.%u", time.tv_sec, time.tv_nsec);
 638       lttv_process_traceset_seek_time(&ts->parent, ltt_time_zero);
 639       lttv_state_traceset_seek_time_closest(ts, time);
 640       /* We add no hook to the traceset, not necessary */
 641       count = lttv_process_traceset_middle(&ts->parent,
 642           time, G_MAXUINT, NULL);
 643       g_info("Number of events to jump over : %u", count);
 644
 645       if(count > LTTV_STATE_SAVE_INTERVAL)
 646         g_warning("Oops! Save interval is %u and it took %u events to seek to a time %lu.%lu supposed to be closer from the last saved state.",
 647             LTTV_STATE_SAVE_INTERVAL, count, time.tv_sec, time.tv_nsec);
 648       time = ltt_time_add(time, interval);
 649     }
 650
 651   }
 652
 653   if(a_test9 || a_test_all) {
 654     /* Run seek_forward and seek_backward test */
 655     LttvTracesetContextPosition *saved_pos =
 656       lttv_traceset_context_position_new();
 657     guint count;
 658     LttvTracesetContext *tsc = &ts->parent;
 659     g_message("Running test 9 : seek_forward and seek_backward");
 660     lttv_process_traceset_seek_time(tsc, ltt_time_zero);
 661
 662     count = lttv_process_traceset_seek_n_forward(tsc, 500, NULL);
 663     g_assert(count == 500);
 664     lttv_traceset_context_position_save(tsc, saved_pos);
 665     count = lttv_process_traceset_seek_n_forward(tsc, 150000, NULL);
 666     g_assert(count == 150000);
 667     count = lttv_process_traceset_seek_n_backward(tsc, 150000,
 668         seek_back_default_offset, lttv_process_traceset_seek_time, NULL);
 669     g_assert(count == 150000);
 670     if(lttv_traceset_context_ctx_pos_compare(tsc, saved_pos)) {
 671       g_warning("Problem with seek_n ! Positions differ. (1)");
 672     }
 673
 674     lttv_process_traceset_seek_n_forward(tsc, 500, NULL);
 675     lttv_traceset_context_position_save(tsc, saved_pos);
 676     lttv_process_traceset_seek_n_forward(tsc, 15000, NULL);
 677     lttv_process_traceset_seek_n_backward(tsc, 15005,
 678         seek_back_default_offset, lttv_process_traceset_seek_time, NULL);
 679     lttv_process_traceset_seek_n_forward(tsc, 5, NULL);
 680     if(lttv_traceset_context_ctx_pos_compare(tsc, saved_pos)) {
 681       g_warning("Problem with seek_n ! Positions differ. (2)");
 682     }
 683
 684     lttv_process_traceset_seek_time(tsc, ltt_time_infinite);
 685
 686     count = lttv_process_traceset_seek_n_forward(tsc, 15000, NULL);
 687     if(count > 0)
 688       g_warning("Problem with seek_n ! Forward at end of traceset.");
 689
 690     lttv_process_traceset_seek_time(tsc, ltt_time_infinite);
 691
 692     lttv_traceset_context_position_save(tsc, saved_pos);
 693     lttv_process_traceset_seek_n_backward(tsc, 300,
 694         seek_back_default_offset, lttv_process_traceset_seek_time, NULL);
 695     count = lttv_process_traceset_seek_n_forward(tsc, 299, NULL);
 696     count = lttv_process_traceset_seek_n_forward(tsc, 1, NULL);
 697
 698     if(lttv_traceset_context_ctx_pos_compare(tsc, saved_pos)) {
 699       g_warning("Problem with seek_n ! Positions differ. (4)");
 700     }
 701
 702     /* try a volountary error */
 703     lttv_process_traceset_seek_time(tsc, ltt_time_infinite);
 704
 705     lttv_traceset_context_position_save(tsc, saved_pos);
 706     lttv_process_traceset_seek_n_backward(tsc, 301,
 707         seek_back_default_offset, lttv_process_traceset_seek_time, NULL);
 708     count = lttv_process_traceset_seek_n_forward(tsc, 299, NULL);
 709     count = lttv_process_traceset_seek_n_forward(tsc, 1, NULL);
 710
 711     if(lttv_traceset_context_ctx_pos_compare(tsc, saved_pos) == 0) {
 712       g_warning("Problem with seek_n ! Positions _should_ differ. (5)");
 713     }
 714
 715     /* Try a seek by closest time : Hint : try this one with and without states
 716      * computed. */
 717     lttv_process_traceset_seek_time(tsc, ltt_time_zero);
 718     count = lttv_process_traceset_seek_n_forward(tsc, 200000, NULL);
 719     lttv_traceset_context_position_save(tsc, saved_pos);
 720     lttv_process_traceset_seek_n_backward(tsc, 100301,
 721         //seek_back_default_offset, lttv_state_traceset_seek_time_closest, NULL);
 722         seek_back_default_offset, lttv_process_traceset_seek_time, NULL);
 723     count = lttv_process_traceset_seek_n_forward(tsc, 100301, NULL);
 724
 725     if(lttv_traceset_context_ctx_pos_compare(tsc, saved_pos)) {
 726       g_warning("Problem with seek_n with state seek time! Positions differ. (6)");
 727     }
 728
 729     lttv_traceset_context_position_destroy(saved_pos);
 730   }
 731   if(a_trace_event) lttv_hooks_remove_data(event_hook, trace_event, NULL);
 732
 733   g_free(save_state.write_time);
 734   g_free(a_event_position);
 735   lttv_context_fini(tc);
 736   g_object_unref(tscs);
 737
 738   if(lttv_profile_memory) {
 739     g_message("Memory summary at the end of batchtest");
 740     g_mem_profile();
 741   }
 742
 743   g_info("BatchTest end process traceset");
 744   return 0;
 745 }
 746
 747
 748 static void init()
 749 {
 750   LttvAttributeValue value;
 751
 752   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
 753
 754   g_info("Init batchtest.c");
 755
 756   /* Init GQuarks */
 757   QUARK_BLOCK_START = g_quark_from_string("block_start");
 758   QUARK_BLOCK_END = g_quark_from_string("block_end");
 759
 760
 761   lttv_option_add("trace", 't',
 762       "add a trace to the trace set to analyse",
 763       "pathname of the directory containing the trace",
 764       LTTV_OPT_STRING, &a_trace, lttv_trace_option, NULL);
 765
 766   a_trace_event = FALSE;
 767
 768   a_dump_tracefiles = NULL;
 769   lttv_option_add("dump-tracefiles", 'D',
 770       "Write event by event the content of tracefiles",
 771       "basename for the files where to dump events",
 772       LTTV_OPT_STRING, &a_dump_tracefiles, NULL, NULL);
 773
 774   a_save_sample = NULL;
 775   lttv_option_add("save-sample", 's',
 776       "Save state samples to multiple files",
 777       "basename for the files containing the state samples",
 778       LTTV_OPT_STRING, &a_save_sample, NULL, NULL);
 779
 780   a_save_state_copy = FALSE;
 781   lttv_option_add("save-state-copy", 'S', "Write the state saved for seeking",
 782       "", LTTV_OPT_NONE, &a_save_state_copy, NULL, NULL);
 783
 784   a_save_interval = 100000;
 785   lttv_option_add("save-interval", 'i',
 786       "Interval between saving state",
 787       "number of events before a block start triggers saving state",
 788       LTTV_OPT_INT, &a_save_interval, NULL, NULL);
 789
 790   a_sample_interval = 100000;
 791   lttv_option_add("sample-interval", 'S',
 792       "Interval between sampling state",
 793       "number of events before sampling and writing state",
 794       LTTV_OPT_INT, &a_sample_interval, NULL, NULL);
 795
 796   a_sample_number = 20;
 797   lttv_option_add("sample-number", 'N',
 798       "Number of state samples",
 799       "maximum number",
 800       LTTV_OPT_INT, &a_sample_number, NULL, NULL);
 801
 802   a_seek_number = 200;
 803   lttv_option_add("seek-number", 'K',
 804       "Number of seek",
 805       "number",
 806       LTTV_OPT_INT, &a_seek_number, NULL, NULL);
 807
 808   a_test1 = FALSE;
 809   lttv_option_add("test1", '1', "Test just counting events", "",
 810       LTTV_OPT_NONE, &a_test1, NULL, NULL);
 811
 812   a_test2 = FALSE;
 813   lttv_option_add("test2", '2', "Test computing the state", "",
 814       LTTV_OPT_NONE, &a_test2, NULL, NULL);
 815
 816   a_test3 = FALSE;
 817   lttv_option_add("test3", '3', "Test computing the state, writing out a few",
 818       "", LTTV_OPT_NONE, &a_test3, NULL, NULL);
 819
 820   a_test4 = FALSE;
 821   lttv_option_add("test4", '4', "Test computing the stats", "",
 822       LTTV_OPT_NONE, &a_test4, NULL, NULL);
 823
 824   a_test5 = FALSE;
 825   lttv_option_add("test5", '5', "Test computing the state and stats", "",
 826       LTTV_OPT_NONE, &a_test5, NULL, NULL);
 827
 828   a_test6 = FALSE;
 829   lttv_option_add("test6", '6', "Test computing and saving the state", "",
 830       LTTV_OPT_NONE, &a_test6, NULL, NULL);
 831
 832   a_test7 = FALSE;
 833   lttv_option_add("test7", '7', "Test seeking to positions written out in 3",
 834       "", LTTV_OPT_NONE, &a_test7, NULL, NULL);
 835
 836   a_test8 = FALSE;
 837   lttv_option_add("test8", '8', "Test seeking to positions using saved states computed at 6 : check if number of events fits",
 838       "", LTTV_OPT_NONE, &a_test8, NULL, NULL);
 839
 840   a_test9 = FALSE;
 841   lttv_option_add("test9", '9', "Test seeking backward/forward positions",
 842       "", LTTV_OPT_NONE, &a_test9, NULL, NULL);
 843
 844
 845   a_test_all = FALSE;
 846   lttv_option_add("testall", 'a', "Run all tests ", "",
 847       LTTV_OPT_NONE, &a_test_all, NULL, NULL);
 848
 849   traceset = lttv_traceset_new();
 850
 851   before_traceset = lttv_hooks_new();
 852   after_traceset = lttv_hooks_new();
 853   before_trace = lttv_hooks_new();
 854   after_trace = lttv_hooks_new();
 855   before_tracefile = lttv_hooks_new();
 856   after_tracefile = lttv_hooks_new();
 857   //before_event = lttv_hooks_new();
 858   //after_event = lttv_hooks_new();
 859   event_hook = lttv_hooks_new();
 860
 861
 862   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before",
 863       LTTV_POINTER, &value));
 864   *(value.v_pointer) = before_traceset;
 865   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after",
 866       LTTV_POINTER, &value));
 867   *(value.v_pointer) = after_traceset;
 868   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before",
 869       LTTV_POINTER, &value));
 870   *(value.v_pointer) = before_trace;
 871   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/after",
 872       LTTV_POINTER, &value));
 873   *(value.v_pointer) = after_trace;
 874   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/before",
 875       LTTV_POINTER, &value));
 876   *(value.v_pointer) = before_tracefile;
 877   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/after",
 878       LTTV_POINTER, &value));
 879   *(value.v_pointer) = after_tracefile;
 880   //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before",
 881   //    LTTV_POINTER, &value));
 882   //*(value.v_pointer) = before_event;
 883   //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after",
 884   //    LTTV_POINTER, &value));
 885   //*(value.v_pointer) = after_event;
 886   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event",
 887       LTTV_POINTER, &value));
 888   *(value.v_pointer) = event_hook;
 889   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before",
 890       LTTV_POINTER, &value));
 891   g_assert((main_hooks = *(value.v_pointer)) != NULL);
 892   lttv_hooks_add(main_hooks, process_traceset, NULL, LTTV_PRIO_DEFAULT);
 893 }
 894
 895
 896 static void destroy()
 897 {
 898   guint i, nb;
 899
 900   LttvTrace *trace;
 901
 902   g_info("Destroy batchAnalysis.c");
 903
 904   lttv_option_remove("trace");
 905   lttv_option_remove("dump-tracefiles");
 906   lttv_option_remove("save-sample");
 907   lttv_option_remove("save-state-copy");
 908   lttv_option_remove("sample-interval");
 909   lttv_option_remove("sample-number");
 910   lttv_option_remove("seek-number");
 911   lttv_option_remove("save-interval");
 912   lttv_option_remove("test1");
 913   lttv_option_remove("test2");
 914   lttv_option_remove("test3");
 915   lttv_option_remove("test4");
 916   lttv_option_remove("test5");
 917   lttv_option_remove("test6");
 918   lttv_option_remove("test7");
 919   lttv_option_remove("test8");
 920   lttv_option_remove("test9");
 921   lttv_option_remove("testall");
 922
 923   lttv_hooks_destroy(before_traceset);
 924   lttv_hooks_destroy(after_traceset);
 925   lttv_hooks_destroy(before_trace);
 926   lttv_hooks_destroy(after_trace);
 927   lttv_hooks_destroy(before_tracefile);
 928   lttv_hooks_destroy(after_tracefile);
 929   //lttv_hooks_destroy(before_event);
 930   //lttv_hooks_destroy(after_event);
 931   lttv_hooks_destroy(event_hook);
 932   lttv_hooks_remove_data(main_hooks, process_traceset, NULL);
 933
 934   nb = lttv_traceset_number(traceset);
 935   for(i = 0 ; i < nb ; i++) {
 936     trace = lttv_traceset_get(traceset, i);
 937     lttv_traceset_remove(traceset,i);
 938     ltt_trace_close(lttv_trace(trace));
 939     lttv_trace_destroy(trace);
 940   }
 941
 942   lttv_traceset_destroy(traceset);
 943 }
 944
 945
 946 LTTV_MODULE("batchtest", "Batch processing of a trace for tests", \
 947     "Run through a trace calling all the registered hooks for tests", \
 948     init, destroy, "state", "stats", "option" )