X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmisc%2Fstats.c;h=db0d13d6609bc6c530db9c4978e79f96a3c2aaa2;hb=688f0a8d8913f20ac5d3e27bf4f2bbe35c9f5de7;hp=433f7a6d6b126a95fdbcc17b94499e55394e6460;hpb=68aa3ca3202b0f2c7e3b10db9dbe46b436b17bbd;p=vlc diff --git a/src/misc/stats.c b/src/misc/stats.c index 433f7a6d6b..db0d13d660 100644 --- a/src/misc/stats.c +++ b/src/misc/stats.c @@ -1,10 +1,10 @@ /***************************************************************************** * stats.c: Statistics handling ***************************************************************************** - * Copyright (C) 1998-2005 the VideoLAN team - * $Id: messages.c 12729 2005-10-02 08:00:06Z courmisch $ + * Copyright (C) 2006 the VideoLAN team + * $Id$ * - * Authors: Clément Stenac + * Authors: Clément Stenac * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -18,79 +18,443 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include #include /* required */ -#include +#include "input/input_internal.h" /***************************************************************************** * Local prototypes *****************************************************************************/ -static counter_t *stats_GetCounter( stats_handler_t *p_handler, int i_object_id, - char *psz_name ); -static int stats_CounterUpdate( stats_handler_t *p_handler, - counter_t *p_counter, - vlc_value_t val ); -static stats_handler_t* stats_HandlerCreate( vlc_object_t *p_this ); -static stats_handler_t *stats_HandlerGet( vlc_object_t *p_this ); +static int CounterUpdate( vlc_object_t *p_this, + counter_t *p_counter, + vlc_value_t val, vlc_value_t * ); +static void TimerDump( vlc_object_t *p_this, counter_t *p_counter, bool); /***************************************************************************** * Exported functions *****************************************************************************/ -int __stats_Create( vlc_object_t *p_this, char *psz_name, int i_type, - int i_compute_type ) +/** + * Create a statistics counter + * \param p_this a VLC object + * \param i_type the type of stored data. One of VLC_VAR_STRING, + * VLC_VAR_INTEGER, VLC_VAR_FLOAT + * \param i_compute_type the aggregation type. One of STATS_LAST (always + * keep the last value), STATS_COUNTER (increment by the passed value), + * STATS_MAX (keep the maximum passed value), STATS_MIN, or STATS_DERIVATIVE + * (keep a time derivative of the value) + */ +counter_t * __stats_CounterCreate( vlc_object_t *p_this, + int i_type, int i_compute_type ) { - counter_t *p_counter; - stats_handler_t *p_handler = stats_HandlerGet( p_this ); - - p_counter = (counter_t*) malloc( sizeof( counter_t ) ) ; + counter_t *p_counter = (counter_t*) malloc( sizeof( counter_t ) ) ; + (void)p_this; - p_counter->psz_name = strdup( psz_name ); - p_counter->i_source_object = p_this->i_object_id; + if( !p_counter ) return NULL; p_counter->i_compute_type = i_compute_type; p_counter->i_type = i_type; p_counter->i_samples = 0; p_counter->pp_samples = NULL; + p_counter->psz_name = NULL; - INSERT_ELEM( p_handler->pp_counters, - p_handler->i_counters, - p_handler->i_counters, - p_counter ); + p_counter->update_interval = 0; + p_counter->last_update = 0; - return VLC_SUCCESS; + return p_counter; } +/** Update a counter element with new values + * \param p_this a VLC object + * \param p_counter the counter to update + * \param val the vlc_value union containing the new value to aggregate. For + * more information on how data is aggregated, \see __stats_Create + * \param val_new a pointer that will be filled with new data + */ +int __stats_Update( vlc_object_t *p_this, counter_t *p_counter, + vlc_value_t val, vlc_value_t *val_new ) +{ + if( !libvlc_stats (p_this) || !p_counter ) return VLC_EGENERIC; + return CounterUpdate( p_this, p_counter, val, val_new ); +} +/** Get the aggregated value for a counter + * \param p_this an object + * \param p_counter the counter + * \param val a pointer to an initialized vlc_value union. It will contain the + * retrieved value + * \return an error code + */ +int __stats_Get( vlc_object_t *p_this, counter_t *p_counter, vlc_value_t *val ) +{ + if( !libvlc_stats (p_this) || !p_counter || p_counter->i_samples == 0 ) + { + val->i_int = val->f_float = 0.0; + return VLC_EGENERIC; + } -int __stats_Update( vlc_object_t *p_this, char *psz_name, vlc_value_t val ) + switch( p_counter->i_compute_type ) + { + case STATS_LAST: + case STATS_MIN: + case STATS_MAX: + case STATS_COUNTER: + *val = p_counter->pp_samples[0]->value; + break; + case STATS_DERIVATIVE: + /* Not ready yet */ + if( p_counter->i_samples < 2 ) + { + val->i_int = 0; val->f_float = 0.0; + return VLC_EGENERIC; + } + if( p_counter->i_type == VLC_VAR_INTEGER ) + { + float f = ( p_counter->pp_samples[0]->value.i_int - + p_counter->pp_samples[1]->value.i_int ) / + (float)( p_counter->pp_samples[0]->date - + p_counter->pp_samples[1]->date ); + val->i_int = (int)f; + } + else + { + float f = (float)( p_counter->pp_samples[0]->value.f_float - + p_counter->pp_samples[1]->value.f_float ) / + (float)( p_counter->pp_samples[0]->date - + p_counter->pp_samples[1]->date ); + val->f_float = f; + } + break; + } + return VLC_SUCCESS;; +} + +input_stats_t *stats_NewInputStats( input_thread_t *p_input ) { - counter_t *p_counter; + (void)p_input; + input_stats_t *p_stats = malloc( sizeof(input_stats_t) ); + + if( !p_stats ) + return NULL; + + memset( p_stats, 0, sizeof(*p_stats) ); + vlc_mutex_init( &p_stats->lock ); + stats_ReinitInputStats( p_stats ); + + return p_stats; +} + +void stats_ComputeInputStats( input_thread_t *p_input, input_stats_t *p_stats ) +{ + if( !libvlc_stats (p_input) ) return; + + vlc_mutex_lock( &p_input->p->counters.counters_lock ); + vlc_mutex_lock( &p_stats->lock ); + + /* Input */ + stats_GetInteger( p_input, p_input->p->counters.p_read_packets, + &p_stats->i_read_packets ); + stats_GetInteger( p_input, p_input->p->counters.p_read_bytes, + &p_stats->i_read_bytes ); + stats_GetFloat( p_input, p_input->p->counters.p_input_bitrate, + &p_stats->f_input_bitrate ); + stats_GetInteger( p_input, p_input->p->counters.p_demux_read, + &p_stats->i_demux_read_bytes ); + stats_GetFloat( p_input, p_input->p->counters.p_demux_bitrate, + &p_stats->f_demux_bitrate ); + + /* Decoders */ + stats_GetInteger( p_input, p_input->p->counters.p_decoded_video, + &p_stats->i_decoded_video ); + stats_GetInteger( p_input, p_input->p->counters.p_decoded_audio, + &p_stats->i_decoded_audio ); + + /* Sout */ + if( p_input->p->counters.p_sout_send_bitrate ) + { + stats_GetInteger( p_input, p_input->p->counters.p_sout_sent_packets, + &p_stats->i_sent_packets ); + stats_GetInteger( p_input, p_input->p->counters.p_sout_sent_bytes, + &p_stats->i_sent_bytes ); + stats_GetFloat ( p_input, p_input->p->counters.p_sout_send_bitrate, + &p_stats->f_send_bitrate ); + } + + /* Aout */ + stats_GetInteger( p_input, p_input->p->counters.p_played_abuffers, + &p_stats->i_played_abuffers ); + stats_GetInteger( p_input, p_input->p->counters.p_lost_abuffers, + &p_stats->i_lost_abuffers ); - /* Get stats handler singleton */ - stats_handler_t *p_handler = stats_HandlerGet( p_this ); - if( !p_handler ) return VLC_ENOMEM; + /* Vouts */ + stats_GetInteger( p_input, p_input->p->counters.p_displayed_pictures, + &p_stats->i_displayed_pictures ); + stats_GetInteger( p_input, p_input->p->counters.p_lost_pictures, + &p_stats->i_lost_pictures ); - /* Look for existing element */ - p_counter = stats_GetCounter( p_handler, p_this->i_object_id, - psz_name ); + vlc_mutex_unlock( &p_stats->lock ); + vlc_mutex_unlock( &p_input->p->counters.counters_lock ); +} + +void stats_ReinitInputStats( input_stats_t *p_stats ) +{ + vlc_mutex_lock( &p_stats->lock ); + p_stats->i_read_packets = p_stats->i_read_bytes = + p_stats->f_input_bitrate = p_stats->f_average_input_bitrate = + p_stats->i_demux_read_packets = p_stats->i_demux_read_bytes = + p_stats->f_demux_bitrate = p_stats->f_average_demux_bitrate = + p_stats->i_displayed_pictures = p_stats->i_lost_pictures = + p_stats->i_played_abuffers = p_stats->i_lost_abuffers = + p_stats->i_decoded_video = p_stats->i_decoded_audio = + p_stats->i_sent_bytes = p_stats->i_sent_packets = p_stats->f_send_bitrate + = 0; + vlc_mutex_unlock( &p_stats->lock ); +} + +void stats_DumpInputStats( input_stats_t *p_stats ) +{ + vlc_mutex_lock( &p_stats->lock ); + /* f_bitrate is in bytes / microsecond + * *1000 => bytes / millisecond => kbytes / seconds */ + fprintf( stderr, "Input : %i (%i bytes) - %f kB/s - " + "Demux : %i (%i bytes) - %f kB/s\n" + " - Vout : %i/%i - Aout : %i/%i - Sout : %f\n", + p_stats->i_read_packets, p_stats->i_read_bytes, + p_stats->f_input_bitrate * 1000, + p_stats->i_demux_read_packets, p_stats->i_demux_read_bytes, + p_stats->f_demux_bitrate * 1000, + p_stats->i_displayed_pictures, p_stats->i_lost_pictures, + p_stats->i_played_abuffers, p_stats->i_lost_abuffers, + p_stats->f_send_bitrate ); + vlc_mutex_unlock( &p_stats->lock ); +} + +void __stats_ComputeGlobalStats( vlc_object_t *p_obj, global_stats_t *p_stats ) +{ + vlc_list_t *p_list; + int i_index; + + if( !libvlc_stats (p_obj) ) return; + + vlc_mutex_lock( &p_stats->lock ); + + p_list = vlc_list_find( p_obj, VLC_OBJECT_INPUT, FIND_ANYWHERE ); + if( p_list ) + { + float f_total_in = 0, f_total_out = 0,f_total_demux = 0; + for( i_index = 0; i_index < p_list->i_count ; i_index ++ ) + { + float f_in = 0, f_out = 0, f_demux = 0; + input_thread_t *p_input = (input_thread_t *) + p_list->p_values[i_index].p_object; + vlc_mutex_lock( &p_input->p->counters.counters_lock ); + stats_GetFloat( p_obj, p_input->p->counters.p_input_bitrate, &f_in ); + if( p_input->p->counters.p_sout_send_bitrate ) + stats_GetFloat( p_obj, p_input->p->counters.p_sout_send_bitrate, + &f_out ); + stats_GetFloat( p_obj, p_input->p->counters.p_demux_bitrate, + &f_demux ); + vlc_mutex_unlock( &p_input->p->counters.counters_lock ); + f_total_in += f_in; f_total_out += f_out;f_total_demux += f_demux; + } + p_stats->f_input_bitrate = f_total_in; + p_stats->f_output_bitrate = f_total_out; + p_stats->f_demux_bitrate = f_total_demux; + vlc_list_release( p_list ); + } + + vlc_mutex_unlock( &p_stats->lock ); +} + +void __stats_TimerStart( vlc_object_t *p_obj, const char *psz_name, + unsigned int i_id ) +{ + libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc); + counter_t *p_counter = NULL; + + if( !priv->b_stats ) return; + + vlc_mutex_lock( &priv->timer_lock ); + + for( int i = 0 ; i < priv->i_timers; i++ ) + { + if( priv->pp_timers[i]->i_id == i_id + && priv->pp_timers[i]->p_obj == p_obj ) + { + p_counter = priv->pp_timers[i]; + break; + } + } if( !p_counter ) { - vlc_object_release( p_handler ); - return VLC_ENOOBJ; + counter_sample_t *p_sample; + p_counter = stats_CounterCreate( p_obj->p_libvlc, VLC_VAR_TIME, + STATS_TIMER ); + if( !p_counter ) + goto out; + p_counter->psz_name = strdup( psz_name ); + p_counter->i_id = i_id; + p_counter->p_obj = p_obj; + INSERT_ELEM( priv->pp_timers, priv->i_timers, + priv->i_timers, p_counter ); + + /* 1st sample : if started: start_date, else last_time, b_started */ + p_sample = (counter_sample_t *)malloc( sizeof( counter_sample_t ) ); + INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples, + p_counter->i_samples, p_sample ); + p_sample->date = 0; p_sample->value.b_bool = 0; + /* 2nd sample : global_time, i_samples */ + p_sample = (counter_sample_t *)malloc( sizeof( counter_sample_t ) ); + INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples, + p_counter->i_samples, p_sample ); + p_sample->date = 0; p_sample->value.i_int = 0; + } + if( p_counter->pp_samples[0]->value.b_bool == true ) + { + msg_Warn( p_obj, "timer '%s' was already started !", psz_name ); + goto out; + } + p_counter->pp_samples[0]->value.b_bool = true; + p_counter->pp_samples[0]->date = mdate(); +out: + vlc_mutex_unlock( &priv->timer_lock ); +} + +void __stats_TimerStop( vlc_object_t *p_obj, unsigned int i_id ) +{ + counter_t *p_counter = NULL; + libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc); + + if( !priv->b_stats ) return; + vlc_mutex_lock( &priv->timer_lock ); + for( int i = 0 ; i < priv->i_timers; i++ ) + { + if( priv->pp_timers[i]->i_id == i_id + && priv->pp_timers[i]->p_obj == p_obj ) + { + p_counter = priv->pp_timers[i]; + break; + } + } + if( !p_counter || p_counter->i_samples != 2 ) + { + msg_Err( p_obj, "timer does not exist" ); + goto out; + } + p_counter->pp_samples[0]->value.b_bool = false; + p_counter->pp_samples[1]->value.i_int += 1; + p_counter->pp_samples[0]->date = mdate() - p_counter->pp_samples[0]->date; + p_counter->pp_samples[1]->date += p_counter->pp_samples[0]->date; +out: + vlc_mutex_unlock( &priv->timer_lock ); +} + +void __stats_TimerDump( vlc_object_t *p_obj, unsigned int i_id ) +{ + counter_t *p_counter = NULL; + libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc); + + if( !priv->b_stats ) return; + vlc_mutex_lock( &priv->timer_lock ); + for( int i = 0 ; i < priv->i_timers; i++ ) + { + if( priv->pp_timers[i]->i_id == i_id + && priv->pp_timers[i]->p_obj == p_obj ) + { + p_counter = priv->pp_timers[i]; + break; + } } + TimerDump( p_obj, p_counter, true ); + vlc_mutex_unlock( &priv->timer_lock ); +} - return stats_CounterUpdate( p_handler, p_counter, val ); +void __stats_TimersDumpAll( vlc_object_t *p_obj ) +{ + libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc); + + if( !priv->b_stats ) return; + vlc_mutex_lock( &priv->timer_lock ); + for ( int i = 0 ; i < priv->i_timers ; i++ ) + TimerDump( p_obj, priv->pp_timers[i], false ); + vlc_mutex_unlock( &priv->timer_lock ); } -static int stats_CounterUpdate( stats_handler_t *p_handler, - counter_t *p_counter, - vlc_value_t val ) +void __stats_TimerClean( vlc_object_t *p_obj, unsigned int i_id ) +{ + libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc); + + vlc_mutex_lock( &priv->timer_lock ); + for ( int i = priv->i_timers -1 ; i >= 0; i-- ) + { + counter_t *p_counter = priv->pp_timers[i]; + if( p_counter->i_id == i_id && p_counter->p_obj == p_obj ) + { + REMOVE_ELEM( priv->pp_timers, priv->i_timers, i ); + stats_CounterClean( p_counter ); + } + } + vlc_mutex_unlock( &priv->timer_lock ); +} + +void __stats_TimersCleanAll( vlc_object_t *p_obj ) +{ + libvlc_priv_t *priv = libvlc_priv (p_obj->p_libvlc); + + vlc_mutex_lock( &priv->timer_lock ); + for ( int i = priv->i_timers -1 ; i >= 0; i-- ) + { + counter_t *p_counter = priv->pp_timers[i]; + REMOVE_ELEM( priv->pp_timers, priv->i_timers, i ); + stats_CounterClean( p_counter ); + } + vlc_mutex_unlock( &priv->timer_lock ); +} + +void stats_CounterClean( counter_t *p_c ) +{ + if( p_c ) + { + int i = p_c->i_samples - 1 ; + while( i >= 0 ) + { + counter_sample_t *p_s = p_c->pp_samples[i]; + REMOVE_ELEM( p_c->pp_samples, p_c->i_samples, i ); + free( p_s ); + i--; + } + free( p_c->psz_name ); + free( p_c ); + } +} + + +/******************************************************************** + * Following functions are local + ********************************************************************/ + +/** + * Update a statistics counter, according to its type + * If needed, perform a bit of computation (derivative, mostly) + * This function must be entered with stats handler lock + * \param p_counter the counter to update + * \param val the "new" value + * \return an error code + */ +static int CounterUpdate( vlc_object_t *p_handler, + counter_t *p_counter, + vlc_value_t val, vlc_value_t *new_val ) { switch( p_counter->i_compute_type ) { @@ -106,7 +470,7 @@ static int stats_CounterUpdate( stats_handler_t *p_handler, p_counter->i_type != VLC_VAR_INTEGER && p_counter->i_compute_type != STATS_LAST ) { - msg_Err( p_handler, "Unable to compute MIN or MAX for this type"); + msg_Err( p_handler, "unable to compute MIN or MAX for this type"); return VLC_EGENERIC; } @@ -142,10 +506,39 @@ static int stats_CounterUpdate( stats_handler_t *p_handler, free( p_counter->pp_samples[0]->value.psz_string ); } p_counter->pp_samples[0]->value = val; + *new_val = p_counter->pp_samples[0]->value; } } break; - + case STATS_DERIVATIVE: + { + counter_sample_t *p_new, *p_old; + if( mdate() - p_counter->last_update < p_counter->update_interval ) + { + return VLC_EGENERIC; + } + p_counter->last_update = mdate(); + if( p_counter->i_type != VLC_VAR_FLOAT && + p_counter->i_type != VLC_VAR_INTEGER ) + { + msg_Err( p_handler, "Unable to compute DERIVATIVE for this type"); + return VLC_EGENERIC; + } + /* Insert the new one at the beginning */ + p_new = (counter_sample_t*)malloc( sizeof( counter_sample_t ) ); + p_new->value = val; + p_new->date = p_counter->last_update; + INSERT_ELEM( p_counter->pp_samples, p_counter->i_samples, + 0, p_new ); + + if( p_counter->i_samples == 3 ) + { + p_old = p_counter->pp_samples[2]; + REMOVE_ELEM( p_counter->pp_samples, p_counter->i_samples, 2 ); + free( p_old ); + } + break; + } case STATS_COUNTER: if( p_counter->i_samples > 1) { @@ -166,9 +559,14 @@ static int stats_CounterUpdate( stats_handler_t *p_handler, switch( p_counter->i_type ) { case VLC_VAR_INTEGER: - case VLC_VAR_FLOAT: p_counter->pp_samples[0]->value.i_int += val.i_int; + if( new_val ) + new_val->i_int = p_counter->pp_samples[0]->value.i_int; break; + case VLC_VAR_FLOAT: + p_counter->pp_samples[0]->value.f_float += val.f_float; + if( new_val ) + new_val->f_float = p_counter->pp_samples[0]->value.f_float; default: msg_Err( p_handler, "Trying to increment invalid variable %s", p_counter->psz_name ); @@ -180,76 +578,43 @@ static int stats_CounterUpdate( stats_handler_t *p_handler, return VLC_SUCCESS; } - -static counter_t *stats_GetCounter( stats_handler_t *p_handler, int i_object_id, - char *psz_name ) +static void TimerDump( vlc_object_t *p_obj, counter_t *p_counter, + bool b_total ) { - int i; - for( i = 0; i< p_handler->i_counters; i++ ) + if( !p_counter ) + return; + + mtime_t last, total; + int i_total; + if( p_counter->i_samples != 2 ) { - counter_t *p_counter = p_handler->pp_counters[i]; - if( p_counter->i_source_object == i_object_id && - !strcmp( p_counter->psz_name, psz_name ) ) - { - return p_counter; - } + msg_Err( p_obj, "timer %s does not exist", p_counter->psz_name ); + return; } - return NULL; -} - -static stats_handler_t *stats_HandlerGet( vlc_object_t *p_this ) -{ - stats_handler_t *p_handler = (stats_handler_t*) - vlc_object_find( p_this->p_vlc, VLC_OBJECT_STATS, - FIND_ANYWHERE ); - if( !p_handler ) + i_total = p_counter->pp_samples[1]->value.i_int; + total = p_counter->pp_samples[1]->date; + if( p_counter->pp_samples[0]->value.b_bool == true ) { - p_handler = stats_HandlerCreate( p_this ); - if( !p_handler ) - { - return NULL; - } - vlc_object_yield( p_handler ); + last = mdate() - p_counter->pp_samples[0]->date; + i_total += 1; + total += last; } - return p_handler; -} - -/** - * Initialize statistics handler - * - * This function initializes the global statistics handler singleton, - * \param p_this the parent VLC object - */ -static stats_handler_t* stats_HandlerCreate( vlc_object_t *p_this ) -{ - stats_handler_t *p_handler; - - msg_Dbg( p_this, "creating statistics handler" ); - - p_handler = (stats_handler_t*) vlc_object_create( p_this, - VLC_OBJECT_STATS ); - - if( !p_handler ) + else { - msg_Err( p_this, "out of memory" ); - return NULL; + last = p_counter->pp_samples[0]->date; + } + if( b_total ) + { + msg_Dbg( p_obj, + "TIMER %s : %.3f ms - Total %.3f ms / %i intvls (Avg %.3f ms)", + p_counter->psz_name, (float)last/1000, (float)total/1000, i_total, + (float)(total)/(1000*(float)i_total ) ); + } + else + { + msg_Dbg( p_obj, + "TIMER %s : Total %.3f ms / %i intvls (Avg %.3f ms)", + p_counter->psz_name, (float)total/1000, i_total, + (float)(total)/(1000*(float)i_total ) ); } - p_handler->i_counters = 0; - p_handler->pp_counters = NULL; - - /// \bug is it p_vlc or p_libvlc ? - vlc_object_attach( p_handler, p_this->p_vlc ); - - return p_handler; -} - - -void stats_ComputeInputStats( input_thread_t *p_input, - input_stats_t *p_stats ) -{ - int i; - /* read_packets and read_bytes are common to all streams */ - //p_stats->i_read_packets = stats_GetInteger( p_input, "read_packets" ); - // p_stats->i_read_bytes = stats_GetInteger( p_input, "read_bytes" ); - }