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
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <vlc/vlc.h>
  33 #include <stdio.h>                                               /* required */
  34
  35 #include "input/input_internal.h"
  36
  37 /*****************************************************************************
  38  * Local prototypes
  39  *****************************************************************************/
  40 static int CounterUpdate( vlc_object_t *p_this,
  41                           counter_t *p_counter,
  42                           vlc_value_t val, vlc_value_t * );
  43 static void TimerDump( vlc_object_t *p_this, counter_t *p_counter, vlc_bool_t);
  44
  45 /*****************************************************************************
  46  * Exported functions
  47  *****************************************************************************/
  48
  49 /**
  50  * Create a statistics counter
  51  * \param p_this a VLC object
  52  * \param i_type the type of stored data. One of VLC_VAR_STRING,
  53  * VLC_VAR_INTEGER, VLC_VAR_FLOAT
  54  * \param i_compute_type the aggregation type. One of STATS_LAST (always
  55  * keep the last value), STATS_COUNTER (increment by the passed value),
  56  * STATS_MAX (keep the maximum passed value), STATS_MIN, or STATS_DERIVATIVE
  57  * (keep a time derivative of the value)
  58  */
  59 counter_t * __stats_CounterCreate( vlc_object_t *p_this,
  60                                    int i_type, int i_compute_type )
  61 {
  62     counter_t *p_counter = (counter_t*) malloc( sizeof( counter_t ) ) ;
  63     (void)p_this;
  64
  65     p_counter->i_compute_type = i_compute_type;
  66     p_counter->i_type = i_type;
  67     p_counter->i_samples = 0;
  68     p_counter->pp_samples = NULL;
  69     p_counter->psz_name = NULL;
  70
  71     p_counter->update_interval = 0;
  72     p_counter->last_update = 0;
  73
  74     return p_counter;
  75 }
  76
  77 /** Update a counter element with new values
  78  * \param p_this a VLC object
  79  * \param p_counter the counter to update
  80  * \param val the vlc_value union containing the new value to aggregate. For
  81  * more information on how data is aggregated, \see __stats_Create
  82  * \param val_new a pointer that will be filled with new data
  83  */
  84 int __stats_Update( vlc_object_t *p_this, counter_t *p_counter,
  85                     vlc_value_t val, vlc_value_t *val_new )
  86 {
  87     if( !p_this->p_libvlc->b_stats || !p_counter ) return VLC_EGENERIC;
  88     return CounterUpdate( p_this, p_counter, val, val_new );
  89 }
  90
  91 /** Get the aggregated value for a counter
  92  * \param p_this an object
  93  * \param p_counter the counter
  94  * \param val a pointer to an initialized vlc_value union. It will contain the
  95  * retrieved value
  96  * \return an error code
  97  */
  98 int __stats_Get( vlc_object_t *p_this, counter_t *p_counter, vlc_value_t *val )
  99 {
 100     if( !p_this->p_libvlc->b_stats || !p_counter || p_counter->i_samples == 0 )
 101     {
 102         val->i_int = val->f_float = 0.0;
 103         return VLC_EGENERIC;
 104     }
 105
 106     switch( p_counter->i_compute_type )
 107     {
 108     case STATS_LAST:
 109     case STATS_MIN:
 110     case STATS_MAX:
 111     case STATS_COUNTER:
 112         *val = p_counter->pp_samples[0]->value;
 113         break;
 114     case STATS_DERIVATIVE:
 115         /* Not ready yet */
 116         if( p_counter->i_samples < 2 )
 117         {
 118             val->i_int = 0; val->f_float = 0.0;
 119             return VLC_EGENERIC;
 120         }
 121         if( p_counter->i_type == VLC_VAR_INTEGER )
 122         {
 123             float f = ( p_counter->pp_samples[0]->value.i_int -
 124                         p_counter->pp_samples[1]->value.i_int ) /
 125                     (float)(  p_counter->pp_samples[0]->date -
 126                               p_counter->pp_samples[1]->date );
 127             val->i_int = (int)f;
 128         }
 129         else
 130         {
 131             float f = (float)( p_counter->pp_samples[0]->value.f_float -
 132                                p_counter->pp_samples[1]->value.f_float ) /
 133                       (float)( p_counter->pp_samples[0]->date -
 134                                p_counter->pp_samples[1]->date );
 135             val->f_float = f;
 136         }
 137         break;
 138     }
 139     return VLC_SUCCESS;;
 140 }
 141
 142 input_stats_t *stats_NewInputStats( input_thread_t *p_input )
 143 {
 144     input_stats_t *p_stats = malloc( sizeof(input_stats_t) );
 145
 146     if( !p_stats )
 147         return NULL;
 148
 149     memset( p_stats, 0, sizeof(*p_stats) );
 150     vlc_mutex_init( p_input, &p_stats->lock );
 151     stats_ReinitInputStats( p_stats );
 152
 153     return p_stats;
 154 }
 155
 156 void stats_ComputeInputStats( input_thread_t *p_input, input_stats_t *p_stats )
 157 {
 158     if( !p_input->p_libvlc->b_stats ) return;
 159
 160     vlc_mutex_lock( &p_input->p->counters.counters_lock );
 161     vlc_mutex_lock( &p_stats->lock );
 162
 163     /* Input */
 164     stats_GetInteger( p_input, p_input->p->counters.p_read_packets,
 165                       &p_stats->i_read_packets );
 166     stats_GetInteger( p_input, p_input->p->counters.p_read_bytes,
 167                       &p_stats->i_read_bytes );
 168     stats_GetFloat( p_input, p_input->p->counters.p_input_bitrate,
 169                     &p_stats->f_input_bitrate );
 170     stats_GetInteger( p_input, p_input->p->counters.p_demux_read,
 171                       &p_stats->i_demux_read_bytes );
 172     stats_GetFloat( p_input, p_input->p->counters.p_demux_bitrate,
 173                     &p_stats->f_demux_bitrate );
 174
 175     /* Decoders */
 176     stats_GetInteger( p_input, p_input->p->counters.p_decoded_video,
 177                       &p_stats->i_decoded_video );
 178     stats_GetInteger( p_input, p_input->p->counters.p_decoded_audio,
 179                       &p_stats->i_decoded_audio );
 180
 181     /* Sout */
 182     if( p_input->p->counters.p_sout_send_bitrate )
 183     {
 184         stats_GetInteger( p_input, p_input->p->counters.p_sout_sent_packets,
 185                           &p_stats->i_sent_packets );
 186         stats_GetInteger( p_input, p_input->p->counters.p_sout_sent_bytes,
 187                           &p_stats->i_sent_bytes );
 188         stats_GetFloat  ( p_input, p_input->p->counters.p_sout_send_bitrate,
 189                           &p_stats->f_send_bitrate );
 190     }
 191
 192     /* Aout */
 193     stats_GetInteger( p_input, p_input->p->counters.p_played_abuffers,
 194                       &p_stats->i_played_abuffers );
 195     stats_GetInteger( p_input, p_input->p->counters.p_lost_abuffers,
 196                       &p_stats->i_lost_abuffers );
 197
 198     /* Vouts */
 199     stats_GetInteger( p_input, p_input->p->counters.p_displayed_pictures,
 200                       &p_stats->i_displayed_pictures );
 201     stats_GetInteger( p_input, p_input->p->counters.p_lost_pictures,
 202                       &p_stats->i_lost_pictures );
 203
 204     vlc_mutex_unlock( &p_stats->lock );
 205     vlc_mutex_unlock( &p_input->p->counters.counters_lock );
 206 }
 207
 208 void stats_ReinitInputStats( input_stats_t *p_stats )
 209 {
 210     vlc_mutex_lock( &p_stats->lock );
 211     p_stats->i_read_packets = p_stats->i_read_bytes =
 212     p_stats->f_input_bitrate = p_stats->f_average_input_bitrate =
 213     p_stats->i_demux_read_packets = p_stats->i_demux_read_bytes =
 214     p_stats->f_demux_bitrate = p_stats->f_average_demux_bitrate =
 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->i_decoded_video = p_stats->i_decoded_audio =
 218     p_stats->i_sent_bytes = p_stats->i_sent_packets = p_stats->f_send_bitrate
 219      = 0;
 220     vlc_mutex_unlock( &p_stats->lock );
 221 }
 222
 223 void stats_DumpInputStats( input_stats_t *p_stats  )
 224 {
 225     vlc_mutex_lock( &p_stats->lock );
 226     /* f_bitrate is in bytes / microsecond
 227      * *1000 => bytes / millisecond => kbytes / seconds */
 228     fprintf( stderr, "Input : %i (%i bytes) - %f kB/s - "
 229                      "Demux : %i (%i bytes) - %f kB/s\n"
 230                      " - Vout : %i/%i - Aout : %i/%i - Sout : %f\n",
 231                     p_stats->i_read_packets, p_stats->i_read_bytes,
 232                     p_stats->f_input_bitrate * 1000,
 233                     p_stats->i_demux_read_packets, p_stats->i_demux_read_bytes,
 234                     p_stats->f_demux_bitrate * 1000,
 235                     p_stats->i_displayed_pictures, p_stats->i_lost_pictures,
 236                     p_stats->i_played_abuffers, p_stats->i_lost_abuffers,
 237                     p_stats->f_send_bitrate );
 238     vlc_mutex_unlock( &p_stats->lock );
 239 }
 240
 241 void __stats_ComputeGlobalStats( vlc_object_t *p_obj, global_stats_t *p_stats )
 242 {
 243     vlc_list_t *p_list;
 244     int i_index;
 245
 246     if( !p_obj->p_libvlc->b_stats ) return;
 247
 248     vlc_mutex_lock( &p_stats->lock );
 249
 250     p_list = vlc_list_find( p_obj, VLC_OBJECT_INPUT, FIND_ANYWHERE );
 251     if( p_list )
 252     {
 253         float f_total_in = 0, f_total_out = 0,f_total_demux = 0;
 254         for( i_index = 0; i_index < p_list->i_count ; i_index ++ )
 255         {
 256             float f_in = 0, f_out = 0, f_demux = 0;
 257             input_thread_t *p_input = (input_thread_t *)
 258                              p_list->p_values[i_index].p_object;
 259             vlc_mutex_lock( &p_input->p->counters.counters_lock );
 260             stats_GetFloat( p_obj, p_input->p->counters.p_input_bitrate, &f_in );
 261             if( p_input->p->counters.p_sout_send_bitrate )
 262                 stats_GetFloat( p_obj, p_input->p->counters.p_sout_send_bitrate,
 263                                     &f_out );
 264             stats_GetFloat( p_obj, p_input->p->counters.p_demux_bitrate,
 265                                 &f_demux );
 266             vlc_mutex_unlock( &p_input->p->counters.counters_lock );
 267             f_total_in += f_in; f_total_out += f_out;f_total_demux += f_demux;
 268         }
 269         p_stats->f_input_bitrate = f_total_in;
 270         p_stats->f_output_bitrate = f_total_out;
 271         p_stats->f_demux_bitrate = f_total_demux;
 272         vlc_list_release( p_list );
 273     }
 274
 275     vlc_mutex_unlock( &p_stats->lock );
 276 }
 277
 278 void __stats_TimerStart( vlc_object_t *p_obj, const char *psz_name,
 279                          unsigned int i_id )
 280 {
 281     int i;
 282     counter_t *p_counter = NULL;
 283     if( !p_obj->p_libvlc->b_stats ) return;
 284     vlc_mutex_lock( &p_obj->p_libvlc->timer_lock );
 285
 286     for( i = 0 ; i < p_obj->p_libvlc->i_timers; i++ )
 287     {
 288         if( p_obj->p_libvlc->pp_timers[i]->i_id == i_id )
 289         {
 290             p_counter = p_obj->p_libvlc->pp_timers[i];
 291             break;
 292         }
 293     }
 294     if( !p_counter )
 295     {
 296         counter_sample_t *p_sample;
 297         p_counter = stats_CounterCreate( p_obj->p_libvlc, VLC_VAR_TIME,
 298                                          STATS_TIMER );
 299         if( !p_counter )
 300         {
 301             vlc_mutex_unlock( &p_obj->p_libvlc->timer_lock );
 302             return;
 303         }
 304         p_counter->psz_name = strdup( psz_name );
 305         p_counter->i_id = i_id;
 306         INSERT_ELEM( p_obj->p_libvlc->pp_timers, p_obj->p_libvlc->i_timers,
 307                      p_obj->p_libvlc->i_timers, p_counter );
 308
 309         /* 1st sample : if started: start_date, else last_time, b_started */
 310         p_sample = (counter_sample_t *)malloc( sizeof( counter_sample_t ) );
 311         INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples,
 312                      p_counter->i_samples, p_sample );
 313         p_sample->date = 0; p_sample->value.b_bool = 0;
 314         /* 2nd sample : global_time, i_samples */
 315         p_sample = (counter_sample_t *)malloc( sizeof( counter_sample_t ) );
 316         INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples,
 317                      p_counter->i_samples, p_sample );
 318         p_sample->date = 0; p_sample->value.i_int = 0;
 319     }
 320     if( p_counter->pp_samples[0]->value.b_bool == VLC_TRUE )
 321     {
 322         msg_Warn( p_obj, "timer %s was already started !", psz_name );
 323         vlc_mutex_unlock( &p_obj->p_libvlc->timer_lock );
 324         return;
 325     }
 326     p_counter->pp_samples[0]->value.b_bool = VLC_TRUE;
 327     p_counter->pp_samples[0]->date = mdate();
 328     vlc_mutex_unlock( &p_obj->p_libvlc->timer_lock );
 329 }
 330
 331 void __stats_TimerStop( vlc_object_t *p_obj, unsigned int i_id )
 332 {
 333     counter_t *p_counter = NULL;
 334     int i;
 335     if( !p_obj->p_libvlc->b_stats ) return;
 336     vlc_mutex_lock( &p_obj->p_libvlc->timer_lock );
 337     for( i = 0 ; i < p_obj->p_libvlc->i_timers; i++ )
 338     {
 339         if( p_obj->p_libvlc->pp_timers[i]->i_id == i_id )
 340         {
 341             p_counter = p_obj->p_libvlc->pp_timers[i];
 342             break;
 343         }
 344     }
 345     if( !p_counter || p_counter->i_samples != 2 )
 346     {
 347         msg_Err( p_obj, "timer does not exist" );
 348         vlc_mutex_unlock( &p_obj->p_libvlc->timer_lock );
 349         return;
 350     }
 351     p_counter->pp_samples[0]->value.b_bool = VLC_FALSE;
 352     p_counter->pp_samples[1]->value.i_int += 1;
 353     p_counter->pp_samples[0]->date = mdate() - p_counter->pp_samples[0]->date;
 354     p_counter->pp_samples[1]->date += p_counter->pp_samples[0]->date;
 355     vlc_mutex_unlock( &p_obj->p_libvlc->timer_lock );
 356 }
 357
 358 void __stats_TimerDump( vlc_object_t *p_obj, unsigned int i_id )
 359 {
 360     counter_t *p_counter = NULL;
 361     int i;
 362     if( !p_obj->p_libvlc->b_stats ) return;
 363     vlc_mutex_lock( &p_obj->p_libvlc->timer_lock );
 364     for( i = 0 ; i < p_obj->p_libvlc->i_timers; i++ )
 365     {
 366         if( p_obj->p_libvlc->pp_timers[i]->i_id == i_id )
 367         {
 368             p_counter = p_obj->p_libvlc->pp_timers[i];
 369             break;
 370         }
 371     }
 372     TimerDump( p_obj, p_counter, VLC_TRUE );
 373     vlc_mutex_unlock( &p_obj->p_libvlc->timer_lock );
 374 }
 375
 376 void __stats_TimersDumpAll( vlc_object_t *p_obj )
 377 {
 378     int i;
 379     if( !p_obj->p_libvlc->b_stats ) return;
 380     vlc_mutex_lock( &p_obj->p_libvlc->timer_lock );
 381     for ( i = 0 ; i< p_obj->p_libvlc->i_timers ; i++ )
 382         TimerDump( p_obj, p_obj->p_libvlc->pp_timers[i], VLC_FALSE );
 383     vlc_mutex_unlock( &p_obj->p_libvlc->timer_lock );
 384 }
 385
 386 void __stats_TimersClean( vlc_object_t *p_obj )
 387 {
 388     int i;
 389     vlc_mutex_lock( &p_obj->p_libvlc->timer_lock );
 390     for ( i = p_obj->p_libvlc->i_timers -1 ; i >= 0; i-- )
 391     {
 392         counter_t *p_counter = p_obj->p_libvlc->pp_timers[i];
 393         REMOVE_ELEM( p_obj->p_libvlc->pp_timers, p_obj->p_libvlc->i_timers, i );
 394         stats_CounterClean( p_counter );
 395     }
 396     vlc_mutex_unlock( &p_obj->p_libvlc->timer_lock );
 397 }
 398
 399 void stats_CounterClean( counter_t *p_c )
 400 {
 401     int i;
 402     if( p_c )
 403     {
 404         i = p_c->i_samples - 1 ;
 405         while( i >= 0 )
 406         {
 407             counter_sample_t *p_s = p_c->pp_samples[i];
 408             REMOVE_ELEM( p_c->pp_samples, p_c->i_samples, i );
 409             free( p_s );
 410             i--;
 411         }
 412         if( p_c->psz_name ) free( p_c->psz_name );
 413         free( p_c );
 414     }
 415 }
 416
 417
 418 /********************************************************************
 419  * Following functions are local
 420  ********************************************************************/
 421
 422 /**
 423  * Update a statistics counter, according to its type
 424  * If needed, perform a bit of computation (derivative, mostly)
 425  * This function must be entered with stats handler lock
 426  * \param p_counter the counter to update
 427  * \param val the "new" value
 428  * \return an error code
 429  */
 430 static int CounterUpdate( vlc_object_t *p_handler,
 431                           counter_t *p_counter,
 432                           vlc_value_t val, vlc_value_t *new_val )
 433 {
 434     switch( p_counter->i_compute_type )
 435     {
 436     case STATS_LAST:
 437     case STATS_MIN:
 438     case STATS_MAX:
 439         if( p_counter->i_samples > 1)
 440         {
 441             msg_Err( p_handler, "LAST counter has several samples !" );
 442             return VLC_EGENERIC;
 443         }
 444         if( p_counter->i_type != VLC_VAR_FLOAT &&
 445             p_counter->i_type != VLC_VAR_INTEGER &&
 446             p_counter->i_compute_type != STATS_LAST )
 447         {
 448             msg_Err( p_handler, "unable to compute MIN or MAX for this type");
 449             return VLC_EGENERIC;
 450         }
 451
 452         if( p_counter->i_samples == 0 )
 453         {
 454             counter_sample_t *p_new = (counter_sample_t*)malloc(
 455                                                sizeof( counter_sample_t ) );
 456             p_new->value.psz_string = NULL;
 457
 458             INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples,
 459                          p_counter->i_samples, p_new );
 460         }
 461         if( p_counter->i_samples == 1 )
 462         {
 463             /* Update if : LAST or (MAX and bigger) or (MIN and bigger) */
 464             if( p_counter->i_compute_type == STATS_LAST ||
 465                 ( p_counter->i_compute_type == STATS_MAX &&
 466                    ( ( p_counter->i_type == VLC_VAR_INTEGER &&
 467                        p_counter->pp_samples[0]->value.i_int > val.i_int ) ||
 468                      ( p_counter->i_type == VLC_VAR_FLOAT &&
 469                        p_counter->pp_samples[0]->value.f_float > val.f_float )
 470                    ) ) ||
 471                 ( p_counter->i_compute_type == STATS_MIN &&
 472                    ( ( p_counter->i_type == VLC_VAR_INTEGER &&
 473                        p_counter->pp_samples[0]->value.i_int < val.i_int ) ||
 474                      ( p_counter->i_type == VLC_VAR_FLOAT &&
 475                        p_counter->pp_samples[0]->value.f_float < val.f_float )
 476                    ) ) )
 477             {
 478                 if( p_counter->i_type == VLC_VAR_STRING &&
 479                     p_counter->pp_samples[0]->value.psz_string )
 480                 {
 481                     free( p_counter->pp_samples[0]->value.psz_string );
 482                 }
 483                 p_counter->pp_samples[0]->value = val;
 484                 *new_val = p_counter->pp_samples[0]->value;
 485             }
 486         }
 487         break;
 488     case STATS_DERIVATIVE:
 489     {
 490         counter_sample_t *p_new, *p_old;
 491         if( mdate() - p_counter->last_update < p_counter->update_interval )
 492         {
 493             return VLC_EGENERIC;
 494         }
 495         p_counter->last_update = mdate();
 496         if( p_counter->i_type != VLC_VAR_FLOAT &&
 497             p_counter->i_type != VLC_VAR_INTEGER )
 498         {
 499             msg_Err( p_handler, "Unable to compute DERIVATIVE for this type");
 500             return VLC_EGENERIC;
 501         }
 502         /* Insert the new one at the beginning */
 503         p_new = (counter_sample_t*)malloc( sizeof( counter_sample_t ) );
 504         p_new->value = val;
 505         p_new->date = p_counter->last_update;
 506         INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples,
 507                      0, p_new );
 508
 509         if( p_counter->i_samples == 3 )
 510         {
 511             p_old = p_counter->pp_samples[2];
 512             REMOVE_ELEM( p_counter->pp_samples, p_counter->i_samples, 2 );
 513             free( p_old );
 514         }
 515         break;
 516     }
 517     case STATS_COUNTER:
 518         if( p_counter->i_samples > 1)
 519         {
 520             msg_Err( p_handler, "LAST counter has several samples !" );
 521             return VLC_EGENERIC;
 522         }
 523         if( p_counter->i_samples == 0 )
 524         {
 525             counter_sample_t *p_new = (counter_sample_t*)malloc(
 526                                                sizeof( counter_sample_t ) );
 527             p_new->value.psz_string = NULL;
 528
 529             INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples,
 530                          p_counter->i_samples, p_new );
 531         }
 532         if( p_counter->i_samples == 1 )
 533         {
 534             switch( p_counter->i_type )
 535             {
 536             case VLC_VAR_INTEGER:
 537                 p_counter->pp_samples[0]->value.i_int += val.i_int;
 538                 if( new_val )
 539                     new_val->i_int = p_counter->pp_samples[0]->value.i_int;
 540                 break;
 541             case VLC_VAR_FLOAT:
 542                 p_counter->pp_samples[0]->value.f_float += val.f_float;
 543                 if( new_val )
 544                     new_val->f_float = p_counter->pp_samples[0]->value.f_float;
 545             default:
 546                 msg_Err( p_handler, "Trying to increment invalid variable %s",
 547                          p_counter->psz_name );
 548                 return VLC_EGENERIC;
 549             }
 550         }
 551         break;
 552     }
 553     return VLC_SUCCESS;
 554 }
 555
 556 static void TimerDump( vlc_object_t *p_obj, counter_t *p_counter,
 557                        vlc_bool_t b_total )
 558 {
 559     mtime_t last, total;
 560     int i_total;
 561     if( !p_counter || p_counter->i_samples != 2 )
 562     {
 563         msg_Err( p_obj, "timer %s does not exist", p_counter->psz_name );
 564         return;
 565     }
 566     i_total = p_counter->pp_samples[1]->value.i_int;
 567     total = p_counter->pp_samples[1]->date;
 568     if( p_counter->pp_samples[0]->value.b_bool == VLC_TRUE )
 569     {
 570         last = mdate() - p_counter->pp_samples[0]->date;
 571         i_total += 1;
 572         total += last;
 573     }
 574     else
 575     {
 576         last = p_counter->pp_samples[0]->date;
 577     }
 578     if( b_total )
 579     {
 580         msg_Dbg( p_obj,
 581              "TIMER %s : %.3f ms - Total %.3f ms / %i intvls (Avg %.3f ms)",
 582              p_counter->psz_name, (float)last/1000, (float)total/1000, i_total,
 583              (float)(total)/(1000*(float)i_total ) );
 584     }
 585     else
 586     {
 587         msg_Dbg( p_obj,
 588              "TIMER %s : Total %.3f ms / %i intvls (Avg %.3f ms)",
 589              p_counter->psz_name, (float)total/1000, i_total,
 590              (float)(total)/(1000*(float)i_total ) );
 591     }
 592 }