change log for rtems (2011-03-07)

[rtems-vc at rtems.org]

 *sh*:
2011-03-07	Sebastian Huber <sebastian.huber at embedded-brains.de>

	* libmisc/cpuuse/cpuusagereport.c: Fix calculation in case a thread
	dispatch happends in the meantime.  The percent values will not sum up
	to one hundred percent.

M 1.2764  cpukit/ChangeLog
M   1.19  cpukit/libmisc/cpuuse/cpuusagereport.c

diff -u rtems/cpukit/ChangeLog:1.2763 rtems/cpukit/ChangeLog:1.2764
--- rtems/cpukit/ChangeLog:1.2763	Mon Mar  7 07:54:44 2011
+++ rtems/cpukit/ChangeLog	Mon Mar  7 08:55:04 2011
@@ -2,6 +2,9 @@
 
 	* include/rtems/irq-extension.h: Documentation.
 	* libmisc/monitor/mon-prmisc.c: Fix for multiprocessing configuration.
+	* libmisc/cpuuse/cpuusagereport.c: Fix calculation in case a thread
+	dispatch happends in the meantime.  The percent values will not sum up
+	to one hundred percent.
 
 2011-03-04	Ralf Corsépius <ralf.corsepius at rtems.org>
 

diff -u rtems/cpukit/libmisc/cpuuse/cpuusagereport.c:1.18 rtems/cpukit/libmisc/cpuuse/cpuusagereport.c:1.19
--- rtems/cpukit/libmisc/cpuuse/cpuusagereport.c:1.18	Thu Dec 16 09:46:34 2010
+++ rtems/cpukit/libmisc/cpuuse/cpuusagereport.c	Mon Mar  7 08:55:05 2011
@@ -53,7 +53,7 @@
   char                 name[13];
   uint32_t             ival, fval;
   #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__
-    Timestamp_Control  uptime, total, ran, last_context_switch;
+    Timestamp_Control  uptime, total, ran, uptime_at_last_reset;
   #else
     uint32_t           total_units = 0;
   #endif
@@ -67,9 +67,7 @@
    *  guideline as to what each number means proportionally.
    */
   #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__
-    last_context_switch = _Thread_Time_of_last_context_switch;
-    _TOD_Get_uptime( &uptime );
-    _Timestamp_Subtract( &CPU_usage_Uptime_at_last_reset, &uptime, &total );
+    uptime_at_last_reset = CPU_usage_Uptime_at_last_reset;
   #else
     for ( api_index = 1 ; api_index <= OBJECTS_APIS_LAST ; api_index++ ) {
       #if !defined(RTEMS_POSIX_API) || defined(RTEMS_DEBUG)
@@ -133,9 +131,14 @@
           ran = the_thread->cpu_time_used;
           if ( _Thread_Executing->Object.id == the_thread->Object.id ) {
             Timestamp_Control used;
-            _Timestamp_Subtract( &last_context_switch, &uptime, &used );
+            Timestamp_Control last = _Thread_Time_of_last_context_switch;
+            _TOD_Get_uptime( &uptime );
+            _Timestamp_Subtract( &last, &uptime, &used );
             _Timestamp_Add_to( &ran, &used );
-          };
+          } else {
+            _TOD_Get_uptime( &uptime );
+          }
+          _Timestamp_Subtract( &uptime_at_last_reset, &uptime, &total );
           _Timestamp_Divide( &ran, &total, &ival, &fval );
 
           /*



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