diff options
| author |   Luca Muscariello <lumuscar+fdio@cisco.com> | 2017-02-23 20:44:26 +0100 |
|---|---|---|
| committer | Luca Muscariello <lumuscar+fdio@cisco.com> | 2017-02-23 19:51:14 +0000 |
| commit | d18ae43123fcd7604d1c36a1ec8450dbe6071824 (patch) | |
| tree | 2d49fc3aabd0f2607251c854565648d47b56b2e9 /libccnx-transport-rta/cmake/Modules/detectCacheSize.cmake | |
| parent | 9b30fc10fb1cbebe651e5a107e8ca5b24de54675 (diff) | |
Initial commit: ccnxlibs.
Change-Id: I1b376527a7dd01a6b9e083a6cb646955902f45c0
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
Diffstat (limited to 'libccnx-transport-rta/cmake/Modules/detectCacheSize.cmake')
| -rw-r--r-- | libccnx-transport-rta/cmake/Modules/detectCacheSize.cmake | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libccnx-transport-rta/cmake/Modules/detectCacheSize.cmake b/libccnx-transport-rta/cmake/Modules/detectCacheSize.cmake new file mode 100644 index 00000000..469d2627 --- /dev/null +++ b/libccnx-transport-rta/cmake/Modules/detectCacheSize.cmake @@ -0,0 +1,21 @@ +# Detect the cache size +# +# XXX: TODO: This is a bug when cross compiling. We are detecting the local +# Cache Line size and not the target cache line size. We should provide some +# way to define this + +set(LEVEL1_DCACHE_LINESIZE 32) + +if( APPLE ) + execute_process(COMMAND sysctl -n hw.cachelinesize + OUTPUT_VARIABLE LEVEL1_DCACHE_LINESIZE + OUTPUT_STRIP_TRAILING_WHITESPACE) +endif( APPLE ) + +if( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" ) + execute_process(COMMAND getconf LEVEL1_DCACHE_LINESIZE + OUTPUT_VARIABLE LEVEL1_DCACHE_LINESIZE + OUTPUT_STRIP_TRAILING_WHITESPACE) +endif() + +message("-- Cache line size: ${LEVEL1_DCACHE_LINESIZE}") |