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2008-12-04 Joel Sherrill <joel.sherrill@OARcorp.com>

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PR 1348/cpukit
	* rtems/src/ratemonperiod.c: Properly handle period statistics after
	cpu usage information is reset while a period is running.
This commit is contained in:
Joel Sherrill
2008-12-04 16:14:04 +00:00
parent d13db6a837
commit f7a1d76d44
2 changed files with 10 additions and 0 deletions
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6
cpukit/ChangeLog
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@@ -1,3 +1,9 @@
2008-12-04 Joel Sherrill <joel.sherrill@OARcorp.com>
PR 1348/cpukit
* rtems/src/ratemonperiod.c: Properly handle period statistics after
cpu usage information is reset while a period is running.
2008-11-03 Joel Sherrill <joel.sherrill@OARcorp.com>
PR 1333/cpukit

4
cpukit/rtems/src/ratemonperiod.c
View File

@@ -81,6 +81,10 @@ void _Rate_monotonic_Update_statistics(
/* Grab CPU usage when the thread got switched in */
used = _Thread_Executing->cpu_time_used;
/* partial period, cpu usage info reset while executing. Throw away */
if (_Timespec_Less_than( &used, &the_period->owner_executed_at_period))
return;
/* How much time time since last context switch */
_Timespec_Subtract(&_Thread_Time_of_last_context_switch, &uptime, &ran);