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authorGedare Bloom <gedare@rtems.org>2015-02-25 14:52:10 -0500
committerGedare Bloom <gedare@rtems.org>2015-03-04 15:38:52 -0500
commit76f37656a254fbf43265aca30c8b25f3b4d81571 (patch)
treeee1ab4a4fb098dfe64bf231252e1669db51454fa /cpukit/libcsupport/src/__times.c
parentscore: ISR lock C/C++ compatiblity issue (diff)
downloadrtems-76f37656a254fbf43265aca30c8b25f3b4d81571.tar.bz2
libcsupport: scale times() call to microseconds
Diffstat (limited to 'cpukit/libcsupport/src/__times.c')
-rw-r--r--cpukit/libcsupport/src/__times.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/cpukit/libcsupport/src/__times.c b/cpukit/libcsupport/src/__times.c
index b92fd6362b..5a1f9eba4d 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.