diff --git a/src/tools/g2/main.c b/src/tools/g2/main.c
index a782e17..1ec7983 100644
--- a/src/tools/g2/main.c
+++ b/src/tools/g2/main.c
@@ -21,6 +21,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
+#include <vppinfra/mem.h>
 
 /*
  * globals
@@ -62,6 +63,8 @@
     int curarg=1;
     char *homedir;
     
+    clib_mem_init (0, ((uword)3<<30));
+
     gtk_init(&argc, &argv);
 
     homedir = getenv ("HOME");
diff --git a/src/tools/perftool/c2cpel.c b/src/tools/perftool/c2cpel.c
index 38e6fe5..379c2bc 100644
--- a/src/tools/perftool/c2cpel.c
+++ b/src/tools/perftool/c2cpel.c
@@ -28,6 +28,7 @@
 #include <vppinfra/vec.h>
 #include <vppinfra/hash.h>
 #include <vppinfra/elog.h>
+#include <vppinfra/mem.h>
 #include <pwd.h>
 #include <stdarg.h>
 #include <time.h>
@@ -197,6 +198,8 @@
     if (vec_len(inputfiles) > 1)
         goto usage;
 
+    clib_mem_init (0, ((uword)3<<30));
+
     cpel_util_init();
 
     convert_clib_file (inputfiles[0]);
diff --git a/src/tools/perftool/cpeldump.c b/src/tools/perftool/cpeldump.c
index 9011bd0..be0a70d 100644
--- a/src/tools/perftool/cpeldump.c
+++ b/src/tools/perftool/cpeldump.c
@@ -28,6 +28,7 @@
 #include <vppinfra/clib.h>
 #include <vppinfra/vec.h>
 #include <vppinfra/hash.h>
+#include <vppinfra/mem.h>
 #include <pwd.h>
 #include <stdarg.h>
 #include <time.h>
@@ -593,6 +594,8 @@
     if (cpel_file == 0)
         goto usage;
 
+    clib_mem_init (0, ((uword)3<<30));
+
     cpel = mapfile(cpel_file);
     if (cpel == 0) {
         fprintf(stderr, "Couldn't map %s...\n", cpel_file);