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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-11-25 15:42:56 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-11-25 16:08:16 +0100 |
| commit | 46689a1ee1fe7a7b94d299ba4b92eb1bf1dea6f5 (patch) | |
| tree | 99eef57236d06ca5cf0035b5a64d5be66947162e /cpukit/score/cpu/arm/rtems | |
| parent | smpcapture01: New test. (diff) | |
| download | rtems-46689a1ee1fe7a7b94d299ba4b92eb1bf1dea6f5.tar.bz2 | |
arm: Use CPU_TIMESTAMP_USE_STRUCT_TIMESPEC
Converting 64-bit nanoseconds values into the common struct timeval or
struct timespec formats requires a 64-bit division to get the seconds
value. Performance analysis of high network loads revealed that this is
too costly on ARM.
Diffstat (limited to 'cpukit/score/cpu/arm/rtems')
| -rw-r--r-- | cpukit/score/cpu/arm/rtems/score/cpu.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cpukit/score/cpu/arm/rtems/score/cpu.h b/cpukit/score/cpu/arm/rtems/score/cpu.h index bc9bee3eb1..900486bbe4 100644 --- a/cpukit/score/cpu/arm/rtems/score/cpu.h +++ b/cpukit/score/cpu/arm/rtems/score/cpu.h @@ -149,7 +149,7 @@ /* XXX Why 32? */ #define CPU_STRUCTURE_ALIGNMENT __attribute__ ((aligned (32))) -#define CPU_TIMESTAMP_USE_INT64_INLINE TRUE +#define CPU_TIMESTAMP_USE_STRUCT_TIMESPEC TRUE /* * The interrupt mask disables only normal interrupts (IRQ). |