From: Ondřej Surý <ondrej@sury.org>
Date: Tue, 11 May 2021 10:29:57 +0000 (+0200)
Subject: Compile with jemalloc to reduce memory allocator contention
X-Git-Tag: v9.17.17~40^2~24
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7f1c525625675e7e5e0953a78adefe9e21fc1462;p=thirdparty%2Fbind9.git

Compile with jemalloc to reduce memory allocator contention

The jemalloc allocator is scalable high performance allocator, this is
the first in the series of commits that will add jemalloc as a memory
allocator for BIND 9.

This commit adds configure.ac check and Makefile modifications to use
jemalloc as BIND 9 allocator.
---

diff --git a/configure.ac b/configure.ac
index 03fd0b2725e..7ada1b61eed 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1376,6 +1376,17 @@ AC_SUBST([CMOCKA_LIBS])
 
 AM_CONDITIONAL([HAVE_CMOCKA], [test "$with_cmocka" = "yes"])
 
+#
+#
+#
+AC_MSG_CHECKING([for jemalloc])
+PKG_CHECK_MODULES([JEMALLOC], [jemalloc >= 5], []
+		  [AC_MSG_WARN([Using jemalloc 5 is recommended])
+		   PKG_CHECK_MODULES([JEMALLOC], [jemalloc], [],
+				     [AC_MSG_ERROR([jemalloc not found])])])
+AC_SUBST([JEMALLOC_CFLAGS])
+AC_SUBST([JEMALLOC_LIBS])
+
 #
 # was --with-tuning specified?
 #
diff --git a/lib/isc/Makefile.am b/lib/isc/Makefile.am
index deed17c9a9c..1b5898817bf 100644
--- a/lib/isc/Makefile.am
+++ b/lib/isc/Makefile.am
@@ -230,6 +230,7 @@ libisc_la_SOURCES =		\
 
 libisc_la_CPPFLAGS =		\
 	$(AM_CPPFLAGS)		\
+	$(JEMALLOC_CPPFLAGS)	\
 	$(LIBISC_CFLAGS)	\
 	$(LIBUV_CFLAGS)		\
 	$(OPENSSL_CFLAGS)	\
@@ -240,6 +241,7 @@ libisc_la_LDFLAGS =		\
 	-release "$(PACKAGE_VERSION)"
 
 libisc_la_LIBADD =		\
+	$(JEMALLOC_LIBS)	\
 	$(LIBUV_LIBS)		\
 	$(OPENSSL_LIBS)		\
 	$(ZLIB_LIBS)