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author | Michele Papalini <micpapal+fdio@cisco.com> | 2017-02-24 08:00:13 +0000 |
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committer | Gerrit Code Review <gerrit@fd.io> | 2017-02-24 08:00:13 +0000 |
commit | 6d4b6878ceff22f9ec8d8e9423214f9666007472 (patch) | |
tree | fa27e0c747676519cb87ff8448bfed62fce5009d /libccnx-common/cmake/Modules/detectCacheSize.cmake | |
parent | f28308bd99381ef5f1e178e2e1f870f245e35873 (diff) | |
parent | d18ae43123fcd7604d1c36a1ec8450dbe6071824 (diff) |
Merge "Initial commit: ccnxlibs." into ccnxlibs/master
Diffstat (limited to 'libccnx-common/cmake/Modules/detectCacheSize.cmake')
-rw-r--r-- | libccnx-common/cmake/Modules/detectCacheSize.cmake | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libccnx-common/cmake/Modules/detectCacheSize.cmake b/libccnx-common/cmake/Modules/detectCacheSize.cmake new file mode 100644 index 00000000..469d2627 --- /dev/null +++ b/libccnx-common/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}") |