diff --git a/core/Makefile b/core/Makefile
index 752f602..778f052 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -6,7 +6,7 @@
 
 
 COPT = -Wall -fpic -g -DDEBUG_LEVEL=0
-OBJS = lut1024f.o parseconf.o utils.o
+OBJS = lut1024f.o parseconf.o utils.o sysmetrics.o
 DEPS = Makefile
 ALIB = libdd2m-core.a
 # ---------------------------------------------------
@@ -15,13 +15,16 @@ ${ALIB}:	${OBJS}
 	ar r $@ $?
 
 lut1024f.o:	lut1024f.c lut1024.h ${DEPS}
-	gcc -Wall -c $<
+	gcc $(COPT) -c $<
 
 parseconf.o:	parseconf.c config.h  ${DEPS}
-	gcc -Wall -c $<
+	gcc $(COPT) -c $<
 
 utils.o:	utils.c utils.h  ${DEPS}
-	gcc -Wall -c $<
+	gcc $(COPT) -c $<
+
+sysmetrics.o:	sysmetrics.c  ${DEPS}
+	gcc $(COPT) -c $<
 
 # ---------------------------------------------------
 
diff --git a/core/sysmetrics.c b/core/sysmetrics.c
new file mode 100644
index 0000000..2e536f8
--- /dev/null
+++ b/core/sysmetrics.c
@@ -0,0 +1,38 @@
+/*
+ *		core/sysmetrics.c
+ */
+
+#include  <stdio.h>
+#include  <unistd.h>
+#include  <stdlib.h>
+#include    <string.h>
+#include  <time.h>
+
+#include  "sysmetrics.h"
+
+extern int	verbosity;
+
+/* --------------------------------------------------------------- */
+
+int get_loadavg(double *where)
+{
+FILE		*fp;
+double		loads[3];
+int		foo;
+
+if ( ! (fp=fopen("/proc/loadavg", "r")) ) {
+	perror("read loadavg");
+	return -1;
+	}
+
+foo = fscanf(fp, "%lf %lf %lf", loads, loads+1, loads+2);
+if (3 != foo) fprintf(stderr, "%s : read %d vals\n", __func__, foo);
+
+memcpy(where, loads, 3 * sizeof(double));
+
+fclose(fp);
+
+return 0;	
+}
+
+/* --------------------------------------------------------------- */
diff --git a/core/sysmetrics.h b/core/sysmetrics.h
new file mode 100644
index 0000000..f27b60c
--- /dev/null
+++ b/core/sysmetrics.h
@@ -0,0 +1,4 @@
+
+
+int get_loadavg(double *where);
+
diff --git a/core/t.c b/core/t.c
index 059efa1..873a529 100644
--- a/core/t.c
+++ b/core/t.c
@@ -8,12 +8,29 @@
 
 #include	"lut1024.h"
 #include	"config.h"
+#include  	"sysmetrics.h"
 
 int verbosity;
 
 Configuration		config;
 
 
+/* ---------------------------------------------------------------- */
+int essai_sysmetrics(int k)
+{
+double		dvalues3[3];
+int		foo;
+
+foo = get_loadavg(dvalues3);
+if (foo) {
+	fprintf(stderr, "err get load avg %d\n", foo);
+	return -1;
+	}
+
+printf("load avg %f %f %f\n", dvalues3[0], dvalues3[1], dvalues3[2]);
+
+return 0;
+}
 /* ---------------------------------------------------------------- */
 
 int main (int argc, char *argv[])
@@ -21,14 +38,12 @@ int main (int argc, char *argv[])
 int		foo, opt;
 char		*conffile = "dd2-monitor.conf";
 
-
 fprintf(stderr, "+\n+   DD2 MONITOR\n+\n");
 
 /* set some default values */
 verbosity	= 0;
 
 
-
 while ((opt = getopt(argc, argv, "v")) != -1) {
 	switch (opt) {
 		case 'v':	verbosity++;		break;
@@ -46,6 +61,7 @@ foo = parse_config(conffile, 0);
 fprintf(stderr, "parse_config(%s) -> %d\n\n", conffile, foo);
 show_config("foo");
 
+essai_sysmetrics(0);
 /*
 foo = load_lut1024f("foo.lut1024f", NULL, 1);
 fprintf(stderr, "chargement de la lut --> %d\n\n", foo);
diff --git a/essai.c b/essai.c
index bd7bdb8..01565c7 100644
--- a/essai.c
+++ b/essai.c
@@ -9,32 +9,11 @@
 #include  <time.h>
 
 #include  "core/utils.h"
+#include  "core/sysmetrics.h"
 
 int	verbosity;
 
 /* --------------------------------------------------------------- */
-
-int get_loadavg(double *where)
-{
-FILE		*fp;
-double		loads[3];
-int		foo;
-
-if ( ! (fp=fopen("/proc/loadavg", "r")) ) {
-	perror("read loadavg");
-	return -1;
-	}
-
-foo = fscanf(fp, "%lf %lf %lf", loads, loads+1, loads+2);
-if (3 != foo) fprintf(stderr, "%s : read %d vals\n", __func__, foo);
-
-memcpy(where, loads, 3 * sizeof(double));
-
-fclose(fp);
-
-return 0;	
-}
-
 /* --------------------------------------------------------------- */
 
 int main(int argc, char *argv[])
@@ -54,7 +33,8 @@ foo = get_loadavg(loads);
 if (foo) fprintf(stderr, "get loadavg -> %d\n", foo);
 for (foo=0; foo<3; foo++) {
 	il[foo] = ((int)(loads[foo] * 90.0)) & 0x3ff;
-	fprintf(stderr, "%f -> %d\n", loads[foo], il[foo]);
+	if (verbosity)
+		fprintf(stderr, "%f -> %d\n", loads[foo], il[foo]);
 	}
 
 printf("%ld %d %d %d %d\n", time(NULL), getpid()%84, il[0], il[1], il[2]);