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authorJoel Sherrill <joel.sherrill@OARcorp.com>2008-12-04 15:58:26 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2008-12-04 15:58:26 +0000
commitb0aefa4ab279fb200ce2fe7f1f24e8d007195123 (patch)
tree6e7224047070425bf3b0763273a3e8672d7cfab1 /cpukit
parent2008-12-04 Ralf Corsépius <ralf.corsepius@rtems.org> (diff)
downloadrtems-b0aefa4ab279fb200ce2fe7f1f24e8d007195123.tar.bz2
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.
Diffstat (limited to 'cpukit')
-rw-r--r--cpukit/ChangeLog6
-rw-r--r--cpukit/rtems/src/ratemonperiod.c4
2 files changed, 10 insertions, 0 deletions
diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index d8cf203be9..700e17ea00 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -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.
+
2008-12-03 Joel Sherrill <joel.sherrill@OARcorp.com>
PR 1347/cpukit
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);