diff options
| author | Costa Tsaousis (ktsaou) <costa@tsaousis.gr> | 2016-09-30 23:19:06 +0300 |
|---|---|---|
| committer | Costa Tsaousis (ktsaou) <costa@tsaousis.gr> | 2016-09-30 23:19:06 +0300 |
| commit | 9c9b9973fd36c382705b9f415f725b8dcf6edd33 (patch) | |
| tree | 4ab66e9e3bc11675b78474fe6ba29caecddac63b /m4 | |
| parent | e30a7ca2e69ca750c87d81f2439fe759c842062b (diff) | |
reduce netdata virtual memory size by setting MALLOC_ARENA_MAX; portable way of detecting mallinfo() and mallopt()
Diffstat (limited to 'm4')
| -rwxr-xr-x | m4/ax_c_mallinfo.m4 | 21 | ||||
| -rwxr-xr-x | m4/ax_c_mallopt.m4 | 20 |
2 files changed, 41 insertions, 0 deletions
diff --git a/m4/ax_c_mallinfo.m4 b/m4/ax_c_mallinfo.m4 new file mode 100755 index 0000000000..a8f8cc2447 --- /dev/null +++ b/m4/ax_c_mallinfo.m4 @@ -0,0 +1,21 @@ +# AC_C_MALLINFO +# ------------- +# Define HAVE_C_MALLINFO if mallinfo() works. +AN_IDENTIFIER([mallinfo], [AC_C_MALLINFO]) +AC_DEFUN([AC_C_MALLINFO], +[AC_CACHE_CHECK([for mallinfo], ac_cv_c_mallinfo, +[AC_LINK_IFELSE( + [AC_LANG_SOURCE( + [[#include <malloc.h> + int main(int argc, char **argv) { + struct mallinfo mi = mallinfo(); + printf("%d%d%d\n", mi.uordblks, mi.hblkhd, mi.arena); + } + ]])], + [ac_cv_c_mallinfo=yes], + [ac_cv_c_mallinfo=no])]) +if test $ac_cv_c_mallinfo = yes; then + AC_DEFINE([HAVE_C_MALLINFO], 1, + [Define to 1 if glibc mallinfo exists.]) +fi +])# AC_C_MALLINFO diff --git a/m4/ax_c_mallopt.m4 b/m4/ax_c_mallopt.m4 new file mode 100755 index 0000000000..31c4fdc36a --- /dev/null +++ b/m4/ax_c_mallopt.m4 @@ -0,0 +1,20 @@ +# AC_C_MALLOPT +# ------------- +# Define HAVE_C_MALLOPT if mallopt() works. +AN_IDENTIFIER([mallopt], [AC_C_MALLOPT]) +AC_DEFUN([AC_C_MALLOPT], +[AC_CACHE_CHECK([for mallopt], ac_cv_c_mallopt, +[AC_LINK_IFELSE( + [AC_LANG_SOURCE( + [[#include <malloc.h> + int main(int argc, char **argv) { + mallopt(M_ARENA_MAX, 1); + } + ]])], + [ac_cv_c_mallopt=yes], + [ac_cv_c_mallopt=no])]) +if test $ac_cv_c_mallopt = yes; then + AC_DEFINE([HAVE_C_MALLOPT], 1, + [Define to 1 if glibc mallopt exists.]) +fi +])# AC_C_MALLOPT |