[rtems commit] libcsupport: scale times() call to microseconds
Gedare Bloom
gedare at rtems.org
Wed Mar 4 20:39:08 UTC 2015
Module: rtems
Branch: master
Commit: 76f37656a254fbf43265aca30c8b25f3b4d81571
Changeset: http://git.rtems.org/rtems/commit/?id=76f37656a254fbf43265aca30c8b25f3b4d81571
Author: Gedare Bloom <gedare at rtems.org>
Date: Wed Feb 25 14:52:10 2015 -0500
libcsupport: scale times() call to microseconds
---
cpukit/libcsupport/src/__times.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/cpukit/libcsupport/src/__times.c b/cpukit/libcsupport/src/__times.c
index b92fd63..5a1f9eb 100644
--- a/cpukit/libcsupport/src/__times.c
+++ b/cpukit/libcsupport/src/__times.c
@@ -43,7 +43,7 @@ clock_t _times(
struct tms *ptms
)
{
- rtems_interval ticks;
+ rtems_interval ticks, us_per_tick;
Thread_Control *executing;
if ( !ptms )
@@ -54,6 +54,7 @@ clock_t _times(
*/
ticks = rtems_clock_get_ticks_since_boot();
+ us_per_tick = rtems_configuration_get_microseconds_per_tick();
/*
* RTEMS technically has no notion of system versus user time
@@ -90,18 +91,18 @@ clock_t _times(
&fractional_ticks
);
_Thread_Enable_dispatch();
- ptms->tms_utime = ticks_of_executing / 100;
+ ptms->tms_utime = ticks_of_executing * us_per_tick;
}
#else
executing = _Thread_Get_executing();
- ptms->tms_utime = executing->cpu_time_used;
+ ptms->tms_utime = executing->cpu_time_used * us_per_tick;
#endif
- ptms->tms_stime = ticks;
+ ptms->tms_stime = ticks * us_per_tick;
ptms->tms_cutime = 0;
ptms->tms_cstime = 0;
- return ticks;
-}
+ return ticks * us_per_tick;
+}
/**
* times() system call wrapper for _times() above.
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