From b0aefa4ab279fb200ce2fe7f1f24e8d007195123 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Thu, 4 Dec 2008 15:58:26 +0000 Subject: 2008-12-04 Joel Sherrill PR 1348/cpukit * rtems/src/ratemonperiod.c: Properly handle period statistics after cpu usage information is reset while a period is running. --- cpukit/rtems/src/ratemonperiod.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'cpukit/rtems') diff --git a/cpukit/rtems/src/ratemonperiod.c b/cpukit/rtems/src/ratemonperiod.c index 23f70c58a0..26db51f43b 100644 --- a/cpukit/rtems/src/ratemonperiod.c +++ b/cpukit/rtems/src/ratemonperiod.c @@ -74,6 +74,10 @@ 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); -- cgit v1.2.3