diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/pal/src/config.h.in | 1 | ||||
| -rw-r--r-- | src/pal/src/configure.cmake | 1 | ||||
| -rw-r--r-- | src/pal/src/misc/sysinfo.cpp | 16 |
3 files changed, 18 insertions, 0 deletions
diff --git a/src/pal/src/config.h.in b/src/pal/src/config.h.in index 505b2ee208..6869455d09 100644 --- a/src/pal/src/config.h.in +++ b/src/pal/src/config.h.in @@ -45,6 +45,7 @@ #cmakedefine01 HAVE_FUTIMES #cmakedefine01 HAVE_UTIMES #cmakedefine01 HAVE_SYSCTL +#cmakedefine01 HAVE_SYSCTLBYNAME #cmakedefine01 HAVE_SYSCONF #cmakedefine01 HAVE_SYSINFO #cmakedefine01 HAVE_LOCALTIME_R diff --git a/src/pal/src/configure.cmake b/src/pal/src/configure.cmake index 7b6391f228..066bd52097 100644 --- a/src/pal/src/configure.cmake +++ b/src/pal/src/configure.cmake @@ -77,6 +77,7 @@ int main(int argc, char **argv) { set(CMAKE_REQUIRED_LIBRARIES) check_include_files(sys/sysctl.h HAVE_SYS_SYSCTL_H) +check_function_exists(sysctlbyname HAVE_SYSCTLBYNAME) check_include_files(gnu/lib-names.h HAVE_GNU_LIBNAMES_H) check_function_exists(kqueue HAVE_KQUEUE) diff --git a/src/pal/src/misc/sysinfo.cpp b/src/pal/src/misc/sysinfo.cpp index d0e8ca64dc..1e911023cf 100644 --- a/src/pal/src/misc/sysinfo.cpp +++ b/src/pal/src/misc/sysinfo.cpp @@ -529,5 +529,21 @@ PAL_GetLogicalProcessorCacheSizeFromOS() } #endif +#if HAVE_SYSCTLBYNAME + if (cacheSize == 0) + { + int64_t cacheSizeFromSysctl = 0; + size_t sz = sizeof(cacheSizeFromSysctl); + const bool success = sysctlbyname("hw.l3cachesize", &cacheSizeFromSysctl, &sz, nullptr, 0) == 0 + || sysctlbyname("hw.l2cachesize", &cacheSizeFromSysctl, &sz, nullptr, 0) == 0 + || sysctlbyname("hw.l1dcachesize", &cacheSizeFromSysctl, &sz, nullptr, 0) == 0; + if (success) + { + assert(cacheSizeFromSysctl > 0); + cacheSize = (size_t) cacheSizeFromSysctl; + } + } +#endif + return cacheSize; } |