diff --git a/Makefile.in b/Makefile.in
index 86acc206c2..bc9f20bd05 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -39,6 +39,7 @@ clean:
 	for dir in $(APPS) $(MYLIBS); do \
 		$(MAKE) -C $$dir clean; \
 	done
+	rm -fr gcov-file gcov-dir
 	rm -f $(MANPAGES) $(MANPAGES:%=%.gz) firejail*.rpm
 	rm -f test/utils/index.html*
 	rm -f test/utils/wget-log
@@ -222,3 +223,10 @@ test-fs:
 
 test: test-profiles test-fs test-utils  test-environment test-apps test-apps-x11 test-apps-x11-xorg test-filters
 	echo "TEST COMPLETE"
+
+gcov:;
+	lcov --capture -d src/firejail -d src/firemon -d src/fseccomp -d src/fnet -d src/ftee --output-file gcov-file
+	rm -fr gcov-dir
+	genhtml gcov-file --output-directory gcov-dir
+	
+	
\ No newline at end of file
diff --git a/configure b/configure
index a89fddbef6..47413e5b85 100755
--- a/configure
+++ b/configure
@@ -625,6 +625,7 @@ ac_includes_default="\
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
 HAVE_SECCOMP_H
+HAVE_GCOV
 BUSYBOX_WORKAROUND
 HAVE_FATAL_WARNINGS
 HAVE_WHITELIST
@@ -709,6 +710,7 @@ enable_file_transfer
 enable_whitelist
 enable_fatal_warnings
 enable_busybox_workaround
+enable_gcov
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1346,6 +1348,7 @@ Optional Features:
   --enable-fatal-warnings -W -Wall -Werror
   --enable-busybox-workaround
                           enable busybox workaround
+  --enable-gcov           Gcov instrumentation
 
 Some influential environment variables:
   CC          C compiler command
@@ -3508,7 +3511,7 @@ fi
 fi
 if test "x$enable_apparmor" = "xyes"; then :
 
-	EXTRA_LDFLAGS="-lapparmor"
+	EXTRA_LDFLAGS+="-lapparmor "
 
 fi
 
@@ -3693,6 +3696,21 @@ if test "x$enable_busybox_workaround" = "xyes"; then :
 fi
 
 
+HAVE_GCOV=""
+# Check whether --enable-gcov was given.
+if test "${enable_gcov+set}" = set; then :
+  enableval=$enable_gcov;
+fi
+
+if test "x$enable_gcov" = "xyes"; then :
+
+	HAVE_GCOV="--coverage "
+	EXTRA_LDFLAGS+="-lgcov --coverage "
+
+
+fi
+
+
 
 # checking pthread library
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lpthread" >&5
@@ -4954,7 +4972,8 @@ echo "   file transfer support: $HAVE_FILE_TRANSFER"
 echo "   overlayfs support: $HAVE_OVERLAYFS"
 echo "   fatal warnings: $HAVE_FATAL_WARNINGS"
 echo "   busybox workaround: $BUSYBOX_WORKAROUND"
-printf "   EXTRA_LDFLAGS: $EXTRA_LDFLAGS"
+echo "   EXTRA_LDFLAGS: $EXTRA_LDFLAGS"
+echo "   Gcov instrumentation: $HAVE_GCOV"
 echo
 
 
diff --git a/configure.ac b/configure.ac
index 9e7680d7dd..e05c023f72 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,7 +22,7 @@ AS_IF([test "x$enable_apparmor" = "xyes"], [
 	[Couldn't find sys/apparmor.h... please install apparmor user space library and development files] )])
 ])
 AS_IF([test "x$enable_apparmor" = "xyes"], [
-	EXTRA_LDFLAGS="-lapparmor"
+	EXTRA_LDFLAGS+="-lapparmor "
 ])
 AC_SUBST([EXTRA_LDFLAGS])
 
@@ -136,6 +136,16 @@ AS_IF([test "x$enable_busybox_workaround" = "xyes"], [
 ])
 
 
+HAVE_GCOV=""
+AC_ARG_ENABLE([gcov],
+    AS_HELP_STRING([--enable-gcov], [Gcov instrumentation]))
+AS_IF([test "x$enable_gcov" = "xyes"], [
+	HAVE_GCOV="--coverage "
+	EXTRA_LDFLAGS+="-lgcov --coverage "
+	AC_SUBST(HAVE_GCOV)
+])
+
+
 
 # checking pthread library
 AC_CHECK_LIB([pthread], [main], [], AC_MSG_ERROR([*** POSIX thread support not installed ***]))
@@ -170,7 +180,8 @@ echo "   file transfer support: $HAVE_FILE_TRANSFER"
 echo "   overlayfs support: $HAVE_OVERLAYFS"
 echo "   fatal warnings: $HAVE_FATAL_WARNINGS"
 echo "   busybox workaround: $BUSYBOX_WORKAROUND"
-printf "   EXTRA_LDFLAGS: $EXTRA_LDFLAGS"
+echo "   EXTRA_LDFLAGS: $EXTRA_LDFLAGS"
+echo "   Gcov instrumentation: $HAVE_GCOV"
 echo
 
 
diff --git a/src/firejail/Makefile.in b/src/firejail/Makefile.in
index c99b6c30c7..6e5071925d 100644
--- a/src/firejail/Makefile.in
+++ b/src/firejail/Makefile.in
@@ -21,13 +21,14 @@ HAVE_GLOBALCFG=@HAVE_GLOBALCFG@
 HAVE_APPARMOR=@HAVE_APPARMOR@
 HAVE_OVERLAYFS=@HAVE_OVERLAYFS@
 HAVE_PRIVATE_HOME=@HAVE_PRIVATE_HOME@
+HAVE_GCOV=@HAVE_GCOV@
 EXTRA_LDFLAGS +=@EXTRA_LDFLAGS@
 
 H_FILE_LIST       = $(sort $(wildcard *.[h]))
 C_FILE_LIST       = $(sort $(wildcard *.c))
 OBJS = $(C_FILE_LIST:.c=.o)
 BINOBJS =  $(foreach file, $(OBJS), $file)
-CFLAGS += -ggdb $(HAVE_FATAL_WARNINGS) -O2 -DVERSION='"$(VERSION)"' -DPREFIX='"$(prefix)"'  -DSYSCONFDIR='"$(sysconfdir)/firejail"' -DLIBDIR='"$(libdir)"' $(HAVE_X11) $(HAVE_PRIVATE_HOME) $(HAVE_APPARMOR) $(HAVE_OVERLAYFS) $(HAVE_SECCOMP) $(HAVE_GLOBALCFG) $(HAVE_SECCOMP_H) $(HAVE_CHROOT) $(HAVE_NETWORK) $(HAVE_USERNS) $(HAVE_BIND) $(HAVE_FILE_TRANSFER) $(HAVE_WHITELIST) -fstack-protector-all -D_FORTIFY_SOURCE=2 -fPIE -pie -Wformat -Wformat-security
+CFLAGS += -ggdb $(HAVE_FATAL_WARNINGS) -O2 -DVERSION='"$(VERSION)"'  $(HAVE_GCOV) -DPREFIX='"$(prefix)"'  -DSYSCONFDIR='"$(sysconfdir)/firejail"' -DLIBDIR='"$(libdir)"' $(HAVE_X11) $(HAVE_PRIVATE_HOME) $(HAVE_APPARMOR) $(HAVE_OVERLAYFS) $(HAVE_SECCOMP) $(HAVE_GLOBALCFG) $(HAVE_SECCOMP_H) $(HAVE_CHROOT) $(HAVE_NETWORK) $(HAVE_USERNS) $(HAVE_BIND) $(HAVE_FILE_TRANSFER) $(HAVE_WHITELIST) -fstack-protector-all -D_FORTIFY_SOURCE=2 -fPIE -pie -Wformat -Wformat-security
 LDFLAGS += -pie -Wl,-z,relro -Wl,-z,now -lpthread
 
 %.o : %.c $(H_FILE_LIST) ../include/common.h ../include/euid_common.h ../include/pid.h ../include/seccomp.h ../include/syscall.h
@@ -36,7 +37,7 @@ LDFLAGS += -pie -Wl,-z,relro -Wl,-z,now -lpthread
 firejail: $(OBJS) ../lib/libnetlink.o ../lib/common.o
 	$(CC)  $(LDFLAGS) -o $@ $(OBJS) ../lib/common.o $(LIBS) $(EXTRA_LDFLAGS)
 
-clean:; rm -f *.o firejail firejail.1 firejail.1.gz
+clean:; rm -f *.o firejail firejail.1 firejail.1.gz *.gcov *.gcda *.gcno
 
 distclean: clean
 	rm -fr Makefile
diff --git a/src/firemon/Makefile.in b/src/firemon/Makefile.in
index 21888d354f..efc48b2123 100644
--- a/src/firemon/Makefile.in
+++ b/src/firemon/Makefile.in
@@ -4,21 +4,26 @@ PREFIX=@prefix@
 VERSION=@PACKAGE_VERSION@
 NAME=@PACKAGE_NAME@
 HAVE_FATAL_WARNINGS=@HAVE_FATAL_WARNINGS@
+HAVE_GCOV=@HAVE_GCOV@
+EXTRA_LDFLAGS +=@EXTRA_LDFLAGS@
 
 H_FILE_LIST       = $(sort $(wildcard *.[h]))
 C_FILE_LIST       = $(sort $(wildcard *.c))
 OBJS = $(C_FILE_LIST:.c=.o)
 BINOBJS =  $(foreach file, $(OBJS), $file)
-CFLAGS += -ggdb $(HAVE_FATAL_WARNINGS) -O2 -DVERSION='"$(VERSION)"' -fstack-protector-all -D_FORTIFY_SOURCE=2 -fPIE -pie -Wformat -Wformat-security
+CFLAGS += -ggdb $(HAVE_FATAL_WARNINGS) -O2 -DVERSION='"$(VERSION)"' $(HAVE_GCOV) -fstack-protector-all -D_FORTIFY_SOURCE=2 -fPIE -pie -Wformat -Wformat-security
 LDFLAGS += -pie -Wl,-z,relro -Wl,-z,now 
+HAVE_GCOV=@HAVE_GCOV@
+EXTRA_LDFLAGS +=@EXTRA_LDFLAGS@
+
 
 %.o : %.c $(H_FILE_LIST)
 	$(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@
 
 firemon: $(OBJS) ../lib/common.o ../lib/pid.o
-	$(CC)  $(LDFLAGS) -o $@ $(OBJS) ../lib/common.o ../lib/pid.o $(LIBS)
+	$(CC)  $(LDFLAGS) -o $@ $(OBJS) ../lib/common.o ../lib/pid.o $(LIBS) $(EXTRA_LDFLAGS)
 
-clean:; rm -f *.o firemon
+clean:; rm -f *.o firemon *.gcov *.gcda *.gcno
 
 distclean: clean
 	rm -fr Makefile
diff --git a/src/fnet/Makefile.in b/src/fnet/Makefile.in
index bba4406d42..32f08882ac 100644
--- a/src/fnet/Makefile.in
+++ b/src/fnet/Makefile.in
@@ -22,21 +22,23 @@ HAVE_APPARMOR=@HAVE_APPARMOR@
 HAVE_OVERLAYFS=@HAVE_OVERLAYFS@
 HAVE_PRIVATE_HOME=@HAVE_PRIVATE_HOME@
 EXTRA_LDFLAGS +=@EXTRA_LDFLAGS@
+HAVE_GCOV=@HAVE_GCOV@
+EXTRA_LDFLAGS +=@EXTRA_LDFLAGS@
 
 H_FILE_LIST       = $(sort $(wildcard *.[h]))
 C_FILE_LIST       = $(sort $(wildcard *.c))
 OBJS = $(C_FILE_LIST:.c=.o)
 BINOBJS =  $(foreach file, $(OBJS), $file)
-CFLAGS += -ggdb $(HAVE_FATAL_WARNINGS) -O2 -DVERSION='"$(VERSION)"' -DPREFIX='"$(prefix)"'  -DSYSCONFDIR='"$(sysconfdir)/firejail"' -DLIBDIR='"$(libdir)"' $(HAVE_X11) $(HAVE_PRIVATE_HOME) $(HAVE_APPARMOR) $(HAVE_OVERLAYFS) $(HAVE_SECCOMP) $(HAVE_GLOBALCFG) $(HAVE_SECCOMP_H) $(HAVE_CHROOT) $(HAVE_NETWORK) $(HAVE_USERNS) $(HAVE_BIND) $(HAVE_FILE_TRANSFER) $(HAVE_WHITELIST) -fstack-protector-all -D_FORTIFY_SOURCE=2 -fPIE -pie -Wformat -Wformat-security
+CFLAGS += -ggdb $(HAVE_FATAL_WARNINGS) -O2 -DVERSION='"$(VERSION)"' $(HAVE_GCOV) -DPREFIX='"$(prefix)"'  -DSYSCONFDIR='"$(sysconfdir)/firejail"' -DLIBDIR='"$(libdir)"' $(HAVE_X11) $(HAVE_PRIVATE_HOME) $(HAVE_APPARMOR) $(HAVE_OVERLAYFS) $(HAVE_SECCOMP) $(HAVE_GLOBALCFG) $(HAVE_SECCOMP_H) $(HAVE_CHROOT) $(HAVE_NETWORK) $(HAVE_USERNS) $(HAVE_BIND) $(HAVE_FILE_TRANSFER) $(HAVE_WHITELIST) -fstack-protector-all -D_FORTIFY_SOURCE=2 -fPIE -pie -Wformat -Wformat-security
 LDFLAGS += -pie -Wl,-z,relro -Wl,-z,now -lpthread
 
 %.o : %.c $(H_FILE_LIST) ../include/common.h ../include/libnetlink.h
 	$(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@
 
 fnet: $(OBJS) ../lib/libnetlink.o
-	$(CC)  $(LDFLAGS) -o $@ $(OBJS) ../lib/libnetlink.o $(LIBS)
+	$(CC)  $(LDFLAGS) -o $@ $(OBJS) ../lib/libnetlink.o $(LIBS) $(EXTRA_LDFLAGS)
 
-clean:; rm -f *.o fnet
+clean:; rm -f *.o fnet *.gcov *.gcda *.gcno
 
 distclean: clean
 	rm -fr Makefile
diff --git a/src/fseccomp/Makefile.in b/src/fseccomp/Makefile.in
index 1878ad2f3f..04c46f1285 100644
--- a/src/fseccomp/Makefile.in
+++ b/src/fseccomp/Makefile.in
@@ -22,21 +22,23 @@ HAVE_APPARMOR=@HAVE_APPARMOR@
 HAVE_OVERLAYFS=@HAVE_OVERLAYFS@
 HAVE_PRIVATE_HOME=@HAVE_PRIVATE_HOME@
 EXTRA_LDFLAGS +=@EXTRA_LDFLAGS@
+HAVE_GCOV=@HAVE_GCOV@
+EXTRA_LDFLAGS +=@EXTRA_LDFLAGS@
 
 H_FILE_LIST       = $(sort $(wildcard *.[h]))
 C_FILE_LIST       = $(sort $(wildcard *.c))
 OBJS = $(C_FILE_LIST:.c=.o)
 BINOBJS =  $(foreach file, $(OBJS), $file)
-CFLAGS += -ggdb $(HAVE_FATAL_WARNINGS) -O2 -DVERSION='"$(VERSION)"' -DPREFIX='"$(prefix)"'  -DSYSCONFDIR='"$(sysconfdir)/firejail"' -DLIBDIR='"$(libdir)"' $(HAVE_X11) $(HAVE_PRIVATE_HOME) $(HAVE_APPARMOR) $(HAVE_OVERLAYFS) $(HAVE_SECCOMP) $(HAVE_GLOBALCFG) $(HAVE_SECCOMP_H) $(HAVE_CHROOT) $(HAVE_NETWORK) $(HAVE_USERNS) $(HAVE_BIND) $(HAVE_FILE_TRANSFER) $(HAVE_WHITELIST) -fstack-protector-all -D_FORTIFY_SOURCE=2 -fPIE -pie -Wformat -Wformat-security
+CFLAGS += -ggdb $(HAVE_FATAL_WARNINGS) -O2 -DVERSION='"$(VERSION)"' $(HAVE_GCOV) -DPREFIX='"$(prefix)"'  -DSYSCONFDIR='"$(sysconfdir)/firejail"' -DLIBDIR='"$(libdir)"' $(HAVE_X11) $(HAVE_PRIVATE_HOME) $(HAVE_APPARMOR) $(HAVE_OVERLAYFS) $(HAVE_SECCOMP) $(HAVE_GLOBALCFG) $(HAVE_SECCOMP_H) $(HAVE_CHROOT) $(HAVE_NETWORK) $(HAVE_USERNS) $(HAVE_BIND) $(HAVE_FILE_TRANSFER) $(HAVE_WHITELIST) -fstack-protector-all -D_FORTIFY_SOURCE=2 -fPIE -pie -Wformat -Wformat-security
 LDFLAGS += -pie -Wl,-z,relro -Wl,-z,now -lpthread
 
 %.o : %.c $(H_FILE_LIST) ../include/common.h ../include/syscall.h
 	$(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@
 
 fseccomp: $(OBJS)
-	$(CC)  $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
+	$(CC)  $(LDFLAGS) -o $@ $(OBJS) $(LIBS) $(EXTRA_LDFLAGS)
 
-clean:; rm -f *.o fseccomp
+clean:; rm -f *.o fseccomp *.gcov *.gcda *.gcno
 
 distclean: clean
 	rm -fr Makefile
diff --git a/src/ftee/Makefile.in b/src/ftee/Makefile.in
index be159225f7..ad508cadd2 100644
--- a/src/ftee/Makefile.in
+++ b/src/ftee/Makefile.in
@@ -4,21 +4,23 @@ PREFIX=@prefix@
 VERSION=@PACKAGE_VERSION@
 NAME=@PACKAGE_NAME@
 HAVE_FATAL_WARNINGS=@HAVE_FATAL_WARNINGS@
+HAVE_GCOV=@HAVE_GCOV@
+EXTRA_LDFLAGS +=@EXTRA_LDFLAGS@
 
 H_FILE_LIST       = $(sort $(wildcard *.[h]))
 C_FILE_LIST       = $(sort $(wildcard *.c))
 OBJS = $(C_FILE_LIST:.c=.o)
 BINOBJS =  $(foreach file, $(OBJS), $file)
-CFLAGS += -ggdb $(HAVE_FATAL_WARNINGS) -O2 -DVERSION='"$(VERSION)"' -DPREFIX='"$(PREFIX)"' -fstack-protector-all -D_FORTIFY_SOURCE=2 -fPIE -pie -Wformat -Wformat-security
+CFLAGS += -ggdb $(HAVE_FATAL_WARNINGS) -O2 -DVERSION='"$(VERSION)"' $(HAVE_GCOV) -DPREFIX='"$(PREFIX)"' -fstack-protector-all -D_FORTIFY_SOURCE=2 -fPIE -pie -Wformat -Wformat-security
 LDFLAGS += -pie -Wl,-z,relro -Wl,-z,now -lpthread
 
 %.o : %.c $(H_FILE_LIST)
 	$(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@
 
 ftee: $(OBJS)
-	$(CC)  $(LDFLAGS) -o $@ $(OBJS)
+	$(CC)  $(LDFLAGS) -o $@ $(OBJS) $(EXTRA_LDFLAGS)
 
-clean:; rm -f *.o ftee
+clean:; rm -f *.o ftee *.gcov *.gcda *.gcno
 
 distclean: clean
 	rm -fr Makefile