git.sesse.net Git - vlc/blob - src/misc/stats.c

   1 /*****************************************************************************
   2  * stats.c: Statistics handling
   3  *****************************************************************************
   4  * Copyright (C) 2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdio.h>                                               /* required */
  28
  29 #include <vlc/vlc.h>
  30 #include <vlc/input.h>
  31
  32 /*****************************************************************************
  33  * Local prototypes
  34  *****************************************************************************/
  35 static int CounterUpdate( vlc_object_t *p_this,
  36                           counter_t *p_counter,
  37                           vlc_value_t val, vlc_value_t * );
  38 static void TimerDump( vlc_object_t *p_this, counter_t *p_counter, vlc_bool_t);
  39
  40 /*****************************************************************************
  41  * Exported functions
  42  *****************************************************************************/
  43
  44 /**
  45  * Create a statistics counter
  46  * \param p_this a VLC object
  47  * \param i_type the type of stored data. One of VLC_VAR_STRING,
  48  * VLC_VAR_INTEGER, VLC_VAR_FLOAT
  49  * \param i_compute_type the aggregation type. One of STATS_LAST (always
  50  * keep the last value), STATS_COUNTER (increment by the passed value),
  51  * STATS_MAX (keep the maximum passed value), STATS_MIN, or STATS_DERIVATIVE
  52  * (keep a time derivative of the value)
  53  */
  54 counter_t * __stats_CounterCreate( vlc_object_t *p_this,
  55                                    int i_type, int i_compute_type )
  56 {
  57     counter_t *p_counter = (counter_t*) malloc( sizeof( counter_t ) ) ;
  58
  59     p_counter->i_compute_type = i_compute_type;
  60     p_counter->i_type = i_type;
  61     p_counter->i_samples = 0;
  62     p_counter->pp_samples = NULL;
  63     p_counter->psz_name = NULL;
  64
  65     p_counter->update_interval = 0;
  66     p_counter->last_update = 0;
  67
  68     return p_counter;
  69 }
  70
  71 /** Update a counter element with new values
  72  * \param p_this a VLC object
  73  * \param p_counter the counter to update
  74  * \param val the vlc_value union containing the new value to aggregate. For
  75  * more information on how data is aggregated, \see __stats_Create
  76  * \param val_new a pointer that will be filled with new data
  77  */
  78 int __stats_Update( vlc_object_t *p_this, counter_t *p_counter,
  79                     vlc_value_t val, vlc_value_t *val_new )
  80 {
  81     if( !p_this->p_libvlc_global->b_stats || !p_counter ) return VLC_EGENERIC;
  82     return CounterUpdate( p_this, p_counter, val, val_new );
  83 }
  84
  85 /** Get the aggregated value for a counter
  86  * \param p_this an object
  87  * \param p_counter the counter
  88  * \param val a pointer to an initialized vlc_value union. It will contain the
  89  * retrieved value
  90  * \return an error code
  91  */
  92 int __stats_Get( vlc_object_t *p_this, counter_t *p_counter, vlc_value_t *val )
  93 {
  94     if( !p_this->p_libvlc_global->b_stats || !p_counter || p_counter->i_samples == 0 )
  95     {
  96         val->i_int = val->f_float = 0.0;
  97         return VLC_EGENERIC;
  98     }
  99
 100     switch( p_counter->i_compute_type )
 101     {
 102     case STATS_LAST:
 103     case STATS_MIN:
 104     case STATS_MAX:
 105     case STATS_COUNTER:
 106         *val = p_counter->pp_samples[0]->value;
 107         break;
 108     case STATS_DERIVATIVE:
 109         /* Not ready yet */
 110         if( p_counter->i_samples < 2 )
 111         {
 112             val->i_int = 0; val->f_float = 0.0;
 113             return VLC_EGENERIC;
 114         }
 115         if( p_counter->i_type == VLC_VAR_INTEGER )
 116         {
 117             float f = ( p_counter->pp_samples[0]->value.i_int -
 118                         p_counter->pp_samples[1]->value.i_int ) /
 119                     (float)(  p_counter->pp_samples[0]->date -
 120                               p_counter->pp_samples[1]->date );
 121             val->i_int = (int)f;
 122         }
 123         else
 124         {
 125             float f = (float)( p_counter->pp_samples[0]->value.f_float -
 126                                p_counter->pp_samples[1]->value.f_float ) /
 127                       (float)( p_counter->pp_samples[0]->date -
 128                                p_counter->pp_samples[1]->date );
 129             val->f_float = f;
 130         }
 131         break;
 132     }
 133     return VLC_SUCCESS;;
 134 }
 135
 136 void stats_ComputeInputStats( input_thread_t *p_input, input_stats_t *p_stats )
 137 {
 138     if( !p_input->p_libvlc_global->b_stats ) return;
 139
 140     vlc_mutex_lock( &p_input->counters.counters_lock );
 141     vlc_mutex_lock( &p_stats->lock );
 142
 143     /* Input */
 144     stats_GetInteger( p_input, p_input->counters.p_read_packets,
 145                       &p_stats->i_read_packets );
 146     stats_GetInteger( p_input, p_input->counters.p_read_bytes,
 147                       &p_stats->i_read_bytes );
 148     stats_GetFloat( p_input, p_input->counters.p_input_bitrate,
 149                     &p_stats->f_input_bitrate );
 150     stats_GetInteger( p_input, p_input->counters.p_demux_read,
 151                       &p_stats->i_demux_read_bytes );
 152     stats_GetFloat( p_input, p_input->counters.p_demux_bitrate,
 153                     &p_stats->f_demux_bitrate );
 154
 155     /* Decoders */
 156     stats_GetInteger( p_input, p_input->counters.p_decoded_video,
 157                       &p_stats->i_decoded_video );
 158     stats_GetInteger( p_input, p_input->counters.p_decoded_audio,
 159                       &p_stats->i_decoded_audio );
 160
 161     /* Sout */
 162     if( p_input->counters.p_sout_send_bitrate )
 163     {
 164         stats_GetInteger( p_input, p_input->counters.p_sout_sent_packets,
 165                           &p_stats->i_sent_packets );
 166         stats_GetInteger( p_input, p_input->counters.p_sout_sent_bytes,
 167                           &p_stats->i_sent_bytes );
 168         stats_GetFloat  ( p_input, p_input->counters.p_sout_send_bitrate,
 169                           &p_stats->f_send_bitrate );
 170     }
 171
 172     /* Aout */
 173     stats_GetInteger( p_input, p_input->counters.p_played_abuffers,
 174                       &p_stats->i_played_abuffers );
 175     stats_GetInteger( p_input, p_input->counters.p_lost_abuffers,
 176                       &p_stats->i_lost_abuffers );
 177
 178     /* Vouts */
 179     stats_GetInteger( p_input, p_input->counters.p_displayed_pictures,
 180                       &p_stats->i_displayed_pictures );
 181     stats_GetInteger( p_input, p_input->counters.p_lost_pictures,
 182                       &p_stats->i_lost_pictures );
 183
 184     vlc_mutex_unlock( &p_stats->lock );
 185     vlc_mutex_unlock( &p_input->counters.counters_lock );
 186 }
 187
 188 void stats_ReinitInputStats( input_stats_t *p_stats )
 189 {
 190     vlc_mutex_lock( &p_stats->lock );
 191     p_stats->i_read_packets = p_stats->i_read_bytes =
 192     p_stats->f_input_bitrate = p_stats->f_average_input_bitrate =
 193     p_stats->i_demux_read_packets = p_stats->i_demux_read_bytes =
 194     p_stats->f_demux_bitrate = p_stats->f_average_demux_bitrate =
 195     p_stats->i_displayed_pictures = p_stats->i_lost_pictures =
 196     p_stats->i_played_abuffers = p_stats->i_lost_abuffers =
 197     p_stats->i_decoded_video = p_stats->i_decoded_audio =
 198     p_stats->i_sent_bytes = p_stats->i_sent_packets = p_stats->f_send_bitrate
 199      = 0;
 200     vlc_mutex_unlock( &p_stats->lock );
 201 }
 202
 203 void stats_DumpInputStats( input_stats_t *p_stats  )
 204 {
 205     vlc_mutex_lock( &p_stats->lock );
 206     /* f_bitrate is in bytes / microsecond
 207      * *1000 => bytes / millisecond => kbytes / seconds */
 208     fprintf( stderr, "Input : %i (%i bytes) - %f kB/s - "
 209                      "Demux : %i (%i bytes) - %f kB/s\n"
 210                      " - Vout : %i/%i - Aout : %i/%i - Sout : %f\n",
 211                     p_stats->i_read_packets, p_stats->i_read_bytes,
 212                     p_stats->f_input_bitrate * 1000,
 213                     p_stats->i_demux_read_packets, p_stats->i_demux_read_bytes,
 214                     p_stats->f_demux_bitrate * 1000,
 215                     p_stats->i_displayed_pictures, p_stats->i_lost_pictures,
 216                     p_stats->i_played_abuffers, p_stats->i_lost_abuffers,
 217                     p_stats->f_send_bitrate );
 218     vlc_mutex_unlock( &p_stats->lock );
 219 }
 220
 221 void __stats_ComputeGlobalStats( vlc_object_t *p_obj, global_stats_t *p_stats )
 222 {
 223     vlc_list_t *p_list;
 224     int i_index;
 225
 226     if( !p_obj->p_libvlc_global->b_stats ) return;
 227
 228     vlc_mutex_lock( &p_stats->lock );
 229
 230     p_list = vlc_list_find( p_obj, VLC_OBJECT_INPUT, FIND_ANYWHERE );
 231     if( p_list )
 232     {
 233         float f_total_in = 0, f_total_out = 0,f_total_demux = 0;
 234         for( i_index = 0; i_index < p_list->i_count ; i_index ++ )
 235         {
 236             float f_in = 0, f_out = 0, f_demux = 0;
 237             input_thread_t *p_input = (input_thread_t *)
 238                              p_list->p_values[i_index].p_object;
 239             vlc_mutex_lock( &p_input->counters.counters_lock );
 240             stats_GetFloat( p_obj, p_input->counters.p_input_bitrate, &f_in );
 241             if( p_input->counters.p_sout_send_bitrate )
 242                 stats_GetFloat( p_obj, p_input->counters.p_sout_send_bitrate,
 243                                     &f_out );
 244             stats_GetFloat( p_obj, p_input->counters.p_demux_bitrate,
 245                                 &f_demux );
 246             vlc_mutex_unlock( &p_input->counters.counters_lock );
 247             f_total_in += f_in; f_total_out += f_out;f_total_demux += f_demux;
 248         }
 249         p_stats->f_input_bitrate = f_total_in;
 250         p_stats->f_output_bitrate = f_total_out;
 251         p_stats->f_demux_bitrate = f_total_demux;
 252         vlc_list_release( p_list );
 253     }
 254
 255     vlc_mutex_unlock( &p_stats->lock );
 256 }
 257
 258 void stats_ReinitGlobalStats( global_stats_t *p_stats )
 259 {
 260     vlc_mutex_lock( &p_stats->lock );
 261     p_stats->f_input_bitrate = p_stats->f_output_bitrate = 0.0;
 262     vlc_mutex_unlock( &p_stats->lock );
 263 }
 264
 265
 266 void __stats_TimerStart( vlc_object_t *p_obj, const char *psz_name,
 267                          unsigned int i_id )
 268 {
 269     int i;
 270     counter_t *p_counter = NULL;
 271     if( !p_obj->p_libvlc_global->b_stats ) return;
 272     vlc_mutex_lock( &p_obj->p_libvlc_global->timer_lock );
 273
 274     for( i = 0 ; i < p_obj->p_libvlc_global->i_timers; i++ )
 275     {
 276         if( p_obj->p_libvlc_global->pp_timers[i]->i_id == i_id )
 277         {
 278             p_counter = p_obj->p_libvlc_global->pp_timers[i];
 279             break;
 280         }
 281     }
 282     if( !p_counter )
 283     {
 284         counter_sample_t *p_sample;
 285         p_counter = stats_CounterCreate( p_obj->p_libvlc_global, VLC_VAR_TIME,
 286                                          STATS_TIMER );
 287         if( !p_counter )
 288         {
 289             vlc_mutex_unlock( &p_obj->p_libvlc_global->timer_lock );
 290             return;
 291         }
 292         p_counter->psz_name = strdup( psz_name );
 293         p_counter->i_id = i_id;
 294         INSERT_ELEM( p_obj->p_libvlc_global->pp_timers, p_obj->p_libvlc_global->i_timers,
 295                      p_obj->p_libvlc_global->i_timers, p_counter );
 296
 297         /* 1st sample : if started: start_date, else last_time, b_started */
 298         p_sample = (counter_sample_t *)malloc( sizeof( counter_sample_t ) );
 299         INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples,
 300                      p_counter->i_samples, p_sample );
 301         p_sample->date = 0; p_sample->value.b_bool = 0;
 302         /* 2nd sample : global_time, i_samples */
 303         p_sample = (counter_sample_t *)malloc( sizeof( counter_sample_t ) );
 304         INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples,
 305                      p_counter->i_samples, p_sample );
 306         p_sample->date = 0; p_sample->value.i_int = 0;
 307     }
 308     if( p_counter->pp_samples[0]->value.b_bool == VLC_TRUE )
 309     {
 310         msg_Warn( p_obj, "timer %s was already started !", psz_name );
 311         vlc_mutex_unlock( &p_obj->p_libvlc_global->timer_lock );
 312         return;
 313     }
 314     p_counter->pp_samples[0]->value.b_bool = VLC_TRUE;
 315     p_counter->pp_samples[0]->date = mdate();
 316     vlc_mutex_unlock( &p_obj->p_libvlc_global->timer_lock );
 317 }
 318
 319 void __stats_TimerStop( vlc_object_t *p_obj, unsigned int i_id )
 320 {
 321     counter_t *p_counter = NULL;
 322     int i;
 323     if( !p_obj->p_libvlc_global->b_stats ) return;
 324     vlc_mutex_lock( &p_obj->p_libvlc_global->timer_lock );
 325     for( i = 0 ; i < p_obj->p_libvlc_global->i_timers; i++ )
 326     {
 327         if( p_obj->p_libvlc_global->pp_timers[i]->i_id == i_id )
 328         {
 329             p_counter = p_obj->p_libvlc_global->pp_timers[i];
 330             break;
 331         }
 332     }
 333     if( !p_counter || p_counter->i_samples != 2 )
 334     {
 335         msg_Err( p_obj, "timer does not exist" );
 336         vlc_mutex_unlock( &p_obj->p_libvlc_global->timer_lock );
 337         return;
 338     }
 339     p_counter->pp_samples[0]->value.b_bool = VLC_FALSE;
 340     p_counter->pp_samples[1]->value.i_int += 1;
 341     p_counter->pp_samples[0]->date = mdate() - p_counter->pp_samples[0]->date;
 342     p_counter->pp_samples[1]->date += p_counter->pp_samples[0]->date;
 343     vlc_mutex_unlock( &p_obj->p_libvlc_global->timer_lock );
 344 }
 345
 346 void __stats_TimerDump( vlc_object_t *p_obj, unsigned int i_id )
 347 {
 348     counter_t *p_counter = NULL;
 349     int i;
 350     if( !p_obj->p_libvlc_global->b_stats ) return;
 351     vlc_mutex_lock( &p_obj->p_libvlc_global->timer_lock );
 352     for( i = 0 ; i < p_obj->p_libvlc_global->i_timers; i++ )
 353     {
 354         if( p_obj->p_libvlc_global->pp_timers[i]->i_id == i_id )
 355         {
 356             p_counter = p_obj->p_libvlc_global->pp_timers[i];
 357             break;
 358         }
 359     }
 360     TimerDump( p_obj, p_counter, VLC_TRUE );
 361     vlc_mutex_unlock( &p_obj->p_libvlc_global->timer_lock );
 362 }
 363
 364 void __stats_TimersDumpAll( vlc_object_t *p_obj )
 365 {
 366     int i;
 367     if( !p_obj->p_libvlc_global->b_stats ) return;
 368     vlc_mutex_lock( &p_obj->p_libvlc_global->timer_lock );
 369     for ( i = 0 ; i< p_obj->p_libvlc_global->i_timers ; i++ )
 370         TimerDump( p_obj, p_obj->p_libvlc_global->pp_timers[i], VLC_FALSE );
 371     vlc_mutex_unlock( &p_obj->p_libvlc_global->timer_lock );
 372 }
 373
 374 void __stats_TimersClean( vlc_object_t *p_obj )
 375 {
 376     int i;
 377     vlc_mutex_lock( &p_obj->p_libvlc_global->timer_lock );
 378     for ( i = p_obj->p_libvlc_global->i_timers -1 ; i >= 0; i-- )
 379     {
 380         counter_t *p_counter = p_obj->p_libvlc_global->pp_timers[i];
 381         REMOVE_ELEM( p_obj->p_libvlc_global->pp_timers, p_obj->p_libvlc_global->i_timers, i );
 382         stats_CounterClean( p_counter );
 383     }
 384     vlc_mutex_unlock( &p_obj->p_libvlc_global->timer_lock );
 385 }
 386
 387 void stats_CounterClean( counter_t *p_c )
 388 {
 389     int i;
 390     if( p_c )
 391     {
 392         i = p_c->i_samples - 1 ;
 393         while( i >= 0 )
 394         {
 395             counter_sample_t *p_s = p_c->pp_samples[i];
 396             REMOVE_ELEM( p_c->pp_samples, p_c->i_samples, i );
 397             free( p_s );
 398             i--;
 399         }
 400         if( p_c->psz_name ) free( p_c->psz_name );
 401         free( p_c );
 402     }
 403 }
 404
 405
 406 /********************************************************************
 407  * Following functions are local
 408  ********************************************************************/
 409
 410 /**
 411  * Update a statistics counter, according to its type
 412  * If needed, perform a bit of computation (derivative, mostly)
 413  * This function must be entered with stats handler lock
 414  * \param p_counter the counter to update
 415  * \param val the "new" value
 416  * \return an error code
 417  */
 418 static int CounterUpdate( vlc_object_t *p_handler,
 419                           counter_t *p_counter,
 420                           vlc_value_t val, vlc_value_t *new_val )
 421 {
 422     switch( p_counter->i_compute_type )
 423     {
 424     case STATS_LAST:
 425     case STATS_MIN:
 426     case STATS_MAX:
 427         if( p_counter->i_samples > 1)
 428         {
 429             msg_Err( p_handler, "LAST counter has several samples !" );
 430             return VLC_EGENERIC;
 431         }
 432         if( p_counter->i_type != VLC_VAR_FLOAT &&
 433             p_counter->i_type != VLC_VAR_INTEGER &&
 434             p_counter->i_compute_type != STATS_LAST )
 435         {
 436             msg_Err( p_handler, "unable to compute MIN or MAX for this type");
 437             return VLC_EGENERIC;
 438         }
 439
 440         if( p_counter->i_samples == 0 )
 441         {
 442             counter_sample_t *p_new = (counter_sample_t*)malloc(
 443                                                sizeof( counter_sample_t ) );
 444             p_new->value.psz_string = NULL;
 445
 446             INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples,
 447                          p_counter->i_samples, p_new );
 448         }
 449         if( p_counter->i_samples == 1 )
 450         {
 451             /* Update if : LAST or (MAX and bigger) or (MIN and bigger) */
 452             if( p_counter->i_compute_type == STATS_LAST ||
 453                 ( p_counter->i_compute_type == STATS_MAX &&
 454                    ( ( p_counter->i_type == VLC_VAR_INTEGER &&
 455                        p_counter->pp_samples[0]->value.i_int > val.i_int ) ||
 456                      ( p_counter->i_type == VLC_VAR_FLOAT &&
 457                        p_counter->pp_samples[0]->value.f_float > val.f_float )
 458                    ) ) ||
 459                 ( p_counter->i_compute_type == STATS_MIN &&
 460                    ( ( p_counter->i_type == VLC_VAR_INTEGER &&
 461                        p_counter->pp_samples[0]->value.i_int < val.i_int ) ||
 462                      ( p_counter->i_type == VLC_VAR_FLOAT &&
 463                        p_counter->pp_samples[0]->value.f_float < val.f_float )
 464                    ) ) )
 465             {
 466                 if( p_counter->i_type == VLC_VAR_STRING &&
 467                     p_counter->pp_samples[0]->value.psz_string )
 468                 {
 469                     free( p_counter->pp_samples[0]->value.psz_string );
 470                 }
 471                 p_counter->pp_samples[0]->value = val;
 472                 *new_val = p_counter->pp_samples[0]->value;
 473             }
 474         }
 475         break;
 476     case STATS_DERIVATIVE:
 477     {
 478         counter_sample_t *p_new, *p_old;
 479         if( mdate() - p_counter->last_update < p_counter->update_interval )
 480         {
 481             return VLC_EGENERIC;
 482         }
 483         p_counter->last_update = mdate();
 484         if( p_counter->i_type != VLC_VAR_FLOAT &&
 485             p_counter->i_type != VLC_VAR_INTEGER )
 486         {
 487             msg_Err( p_handler, "Unable to compute DERIVATIVE for this type");
 488             return VLC_EGENERIC;
 489         }
 490         /* Insert the new one at the beginning */
 491         p_new = (counter_sample_t*)malloc( sizeof( counter_sample_t ) );
 492         p_new->value = val;
 493         p_new->date = p_counter->last_update;
 494         INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples,
 495                      0, p_new );
 496
 497         if( p_counter->i_samples == 3 )
 498         {
 499             p_old = p_counter->pp_samples[2];
 500             REMOVE_ELEM( p_counter->pp_samples, p_counter->i_samples, 2 );
 501             free( p_old );
 502         }
 503         break;
 504     }
 505     case STATS_COUNTER:
 506         if( p_counter->i_samples > 1)
 507         {
 508             msg_Err( p_handler, "LAST counter has several samples !" );
 509             return VLC_EGENERIC;
 510         }
 511         if( p_counter->i_samples == 0 )
 512         {
 513             counter_sample_t *p_new = (counter_sample_t*)malloc(
 514                                                sizeof( counter_sample_t ) );
 515             p_new->value.psz_string = NULL;
 516
 517             INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples,
 518                          p_counter->i_samples, p_new );
 519         }
 520         if( p_counter->i_samples == 1 )
 521         {
 522             switch( p_counter->i_type )
 523             {
 524             case VLC_VAR_INTEGER:
 525                 p_counter->pp_samples[0]->value.i_int += val.i_int;
 526                 if( new_val )
 527                     new_val->i_int = p_counter->pp_samples[0]->value.i_int;
 528                 break;
 529             case VLC_VAR_FLOAT:
 530                 p_counter->pp_samples[0]->value.f_float += val.f_float;
 531                 if( new_val )
 532                     new_val->f_float = p_counter->pp_samples[0]->value.f_float;
 533             default:
 534                 msg_Err( p_handler, "Trying to increment invalid variable %s",
 535                          p_counter->psz_name );
 536                 return VLC_EGENERIC;
 537             }
 538         }
 539         break;
 540     }
 541     return VLC_SUCCESS;
 542 }
 543
 544 static void TimerDump( vlc_object_t *p_obj, counter_t *p_counter,
 545                        vlc_bool_t b_total )
 546 {
 547     mtime_t last, total;
 548     int i_total;
 549     if( !p_counter || p_counter->i_samples != 2 )
 550     {
 551         msg_Err( p_obj, "timer %s does not exist", p_counter->psz_name );
 552         return;
 553     }
 554     i_total = p_counter->pp_samples[1]->value.i_int;
 555     total = p_counter->pp_samples[1]->date;
 556     if( p_counter->pp_samples[0]->value.b_bool == VLC_TRUE )
 557     {
 558         last = mdate() - p_counter->pp_samples[0]->date;
 559         i_total += 1;
 560         total += last;
 561     }
 562     else
 563     {
 564         last = p_counter->pp_samples[0]->date;
 565     }
 566     if( b_total )
 567     {
 568         msg_Dbg( p_obj,
 569              "TIMER %s : %.3f ms - Total %.3f ms / %i intvls (Avg %.3f ms)",
 570              p_counter->psz_name, (float)last/1000, (float)total/1000, i_total,
 571              (float)(total)/(1000*(float)i_total ) );
 572     }
 573     else
 574     {
 575         msg_Dbg( p_obj,
 576              "TIMER %s : Total %.3f ms / %i intvls (Avg %.3f ms)",
 577              p_counter->psz_name, (float)total/1000, i_total,
 578              (float)(total)/(1000*(float)i_total ) );
 579     }
 580 }