new files.

1 files changed, 173 insertions, 0 deletions

diff --git a/c/src/libmisc/rtmonuse/rtmonuse.c b/c/src/libmisc/rtmonuse/rtmonuse.c
new file mode 100644
index 0000000000..272290176e
--- /dev/null
+++ b/c/src/libmisc/rtmonuse/rtmonuse.c
@@ -0,0 +1,173 @@
+/*
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+
+#include "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];
+ 
+  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
+    );
+  }
+}