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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-09-23 08:01:56 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-09-23 10:46:36 +0200 |
| commit | 5323247c3148a22baefb1590533972c401f7d745 (patch) | |
| tree | afc55c190b06dd0d58b0417b730630748f71ce53 | |
| parent | powerpc: Use CPU_TIMESTAMP_USE_STRUCT_TIMESPEC (diff) | |
| download | rtems-5323247c3148a22baefb1590533972c401f7d745.tar.bz2 | |
m68k: 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 PowerPC.
| -rw-r--r-- | cpukit/score/cpu/m68k/rtems/score/cpu.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cpukit/score/cpu/m68k/rtems/score/cpu.h b/cpukit/score/cpu/m68k/rtems/score/cpu.h index d2224657eb..7d164f38cf 100644 --- a/cpukit/score/cpu/m68k/rtems/score/cpu.h +++ b/cpukit/score/cpu/m68k/rtems/score/cpu.h @@ -102,7 +102,7 @@ extern "C" { #define CPU_STACK_GROWS_UP FALSE #define CPU_STRUCTURE_ALIGNMENT __attribute__ ((aligned (4))) -#define CPU_TIMESTAMP_USE_INT64_INLINE TRUE +#define CPU_TIMESTAMP_USE_STRUCT_TIMESPEC TRUE /* * Define what is required to specify how the network to host conversion |