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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [libmisc/] [rtmonuse/] [rtmonuse.c] - Rev 596
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/* * $Id: rtmonuse.c,v 1.2 2001-09-27 12:01:44 chris Exp $ */ #include <rtems.h> #include <stdlib.h> #include <stdio.h> #include <assert.h> #include <rtems/rtmonuse.h> typedef struct { rtems_id id; unsigned32 count; unsigned32 missed_count; unsigned32 min_cpu_time; unsigned32 max_cpu_time; unsigned32 total_cpu_time; unsigned32 min_wall_time; unsigned32 max_wall_time; unsigned32 total_wall_time; } Period_usage_t; Period_usage_t *Period_usage_Information; /*PAGE * * Period_usage_Initialize */ void Period_usage_Initialize( void ) { int maximum; maximum = _Configuration_Table->RTEMS_api_configuration->maximum_periods; Period_usage_Information = malloc( sizeof(Period_usage_t) * (maximum+1) ); Period_usage_Reset(); } /*PAGE * * Period_usage_Reset */ void Period_usage_Reset( void ) { unsigned32 i; Period_usage_t *the_usage; for ( i=0 ; i<_Configuration_Table->RTEMS_api_configuration->maximum_periods ; i++ ) { the_usage = &Period_usage_Information[ i ]; the_usage->count = 0; the_usage->missed_count = 0; the_usage->min_cpu_time = 0xFFFFFFFF; the_usage->max_cpu_time = 0; the_usage->total_cpu_time = 0; the_usage->min_wall_time = 0xFFFFFFFF; the_usage->max_wall_time = 0; the_usage->total_wall_time = 0; } } /*PAGE * * Period_usage_Update */ void Period_usage_Update( rtems_id id ) { rtems_rate_monotonic_period_status rm_status; rtems_status_code status; Period_usage_t *the_usage; assert( Period_usage_Information ); status = rtems_rate_monotonic_get_status( id, &rm_status ); assert( status == RTEMS_SUCCESSFUL ); the_usage = &Period_usage_Information[ rtems_get_index( id ) ]; the_usage->id = id; the_usage->count++; if ( rm_status.state == RATE_MONOTONIC_EXPIRED ) the_usage->missed_count++; the_usage->total_cpu_time += rm_status.ticks_executed_since_last_period; the_usage->total_wall_time += rm_status.ticks_since_last_period; /* * Update CPU time */ if ( rm_status.ticks_executed_since_last_period < the_usage->min_cpu_time ) the_usage->min_cpu_time = rm_status.ticks_executed_since_last_period; if ( rm_status.ticks_executed_since_last_period > the_usage->max_cpu_time ) the_usage->max_cpu_time = rm_status.ticks_executed_since_last_period; /* * Update Wall time */ if ( rm_status.ticks_since_last_period < the_usage->min_wall_time ) the_usage->min_wall_time = rm_status.ticks_since_last_period; if ( rm_status.ticks_since_last_period > the_usage->max_wall_time ) the_usage->max_wall_time = rm_status.ticks_since_last_period; } /*PAGE * * Period_usage_Dump */ void Period_usage_Dump( void ) { unsigned32 i; Period_usage_t *the_usage; Rate_monotonic_Control *the_period; unsigned32 u32_name; char name[5]; if ( !Period_usage_Information ) { printf( "Period statistics library is not initialized\n" ); return; } printf( "Period information by period\n" ); printf( " ID OWNER PERIODS MISSED CPU TIME WALL TIME\n" ); /* * RTEMS does not use an index of zero for object ids. */ for ( i=1 ; i<_Configuration_Table->RTEMS_api_configuration->maximum_periods ; i++ ) { the_usage = &Period_usage_Information[ i ]; if ( the_usage->count == 0 ) continue; the_period = (Rate_monotonic_Control *)_Rate_monotonic_Information.local_table[ i ]; if ( the_period->owner ) u32_name = *(unsigned32 *)the_period->owner->Object.name; else u32_name = rtems_build_name(' ', ' ', ' ', ' '); name[ 0 ] = (u32_name >> 24) & 0xff; name[ 1 ] = (u32_name >> 16) & 0xff; name[ 2 ] = (u32_name >> 8) & 0xff; name[ 3 ] = (u32_name >> 0) & 0xff; name[ 4 ] = '\0'; printf( "0x%08x %4s %6d %3d %d/%d/%5.2f %d/%d/%3.2f\n", the_usage->id, name, the_usage->count, the_usage->missed_count, the_usage->min_cpu_time, the_usage->max_cpu_time, (double) the_usage->total_cpu_time / (double) the_usage->count, the_usage->min_wall_time, the_usage->max_wall_time, (double) the_usage->total_wall_time / (double) the_usage->count ); } }
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