1 files changed, 0 insertions, 124 deletions
diff --git a/cpukit/libmisc/testsupport/testbusy.c b/cpukit/libmisc/testsupport/testbusy.c
deleted file mode 100644
index 4cc8aa01fe..0000000000
--- a/cpukit/libmisc/testsupport/testbusy.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright (c) 2014, 2018 embedded brains GmbH.  All rights reserved.
- *
- *  embedded brains GmbH
- *  Dornierstr. 4
- *  82178 Puchheim
- *  Germany
- *  <rtems@embedded-brains.de>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <rtems/test.h>
-#include <rtems.h>
-#include <rtems/score/threadimpl.h>
-
-static uint_fast32_t estimate_busy_loop_maximum( void )
-{
-  uint_fast32_t units = 0;
-  uint_fast32_t initial = rtems_clock_get_ticks_since_boot();
-
-  while ( initial == rtems_clock_get_ticks_since_boot() ) {
-    ++units;
-  }
-
-  return units;
-}
-
-static uint_fast32_t wait_for_tick_change( void )
-{
-  uint_fast32_t initial = rtems_clock_get_ticks_since_boot();
-  uint_fast32_t now;
-
-  do {
-    now = rtems_clock_get_ticks_since_boot();
-  } while ( now == initial );
-
-  return now;
-}
-
-/*
- * It is important that we use actually use the same rtems_test_busy() function
- * at the various places, since otherwise the obtained maximum value might be
- * wrong.  So, the compiler must not inline this function.
- */
-RTEMS_NO_INLINE void rtems_test_busy( uint_fast32_t count )
-{
-  uint_fast32_t i = 0;
-
-  do {
-    __asm__ volatile ("");
-    ++i;
-  } while ( i < count );
-}
-
-uint_fast32_t rtems_test_get_one_tick_busy_count( void )
-{
-  uint_fast32_t last;
-  uint_fast32_t now;
-  uint_fast32_t a;
-  uint_fast32_t b;
-  uint_fast32_t m;
-
-  /* Choose a lower bound */
-  a = 1;
-
-  /* Estimate an upper bound */
-
-  wait_for_tick_change();
-  b = 2 * estimate_busy_loop_maximum();
-
-  while ( true ) {
-    last = wait_for_tick_change();
-    rtems_test_busy( b );
-    now = rtems_clock_get_ticks_since_boot();
-
-    if ( now != last ) {
-      break;
-    }
-
-    b *= 2;
-    last = now;
-  }
-
-  /* Find a good value */
-  do {
-    m = ( a + b ) / 2;
-
-    last = wait_for_tick_change();
-    rtems_test_busy( m );
-    now = rtems_clock_get_ticks_since_boot();
-
-    if ( now != last ) {
-      b = m;
-    } else {
-      a = m;
-    }
-  } while ( b - a > 1 );
-
-  return m;
-}
-
-void rtems_test_busy_cpu_usage( time_t seconds, long nanoseconds )
-{
-  Thread_Control    *executing;
-  Timestamp_Control  busy;
-  Timestamp_Control  start;
-  Timestamp_Control  now;
-
-  executing = _Thread_Get_executing();
-  _Thread_Get_CPU_time_used( executing, &start );
-  _Timestamp_Set( &busy, seconds, nanoseconds );
-
-  do {
-    _Thread_Get_CPU_time_used( executing, &now );
-  } while ( now - start < busy );
-}