diff --git a/cli.py b/cli.py
index 19c2592e86b2bcd371ea069e0ff61856a653a0b9..3bc0d806bd9e36f989b5d7c48cdf5120946677b5 100755
--- a/cli.py
+++ b/cli.py
@@ -140,7 +140,9 @@ class Plugsched(object):
                          'objs=%s' % ' '.join(objs),
                          *['%s=%s' % i for i in kwargs.items()],
                          file=os.path.join(self.tmp_dir, 'Makefile.plugsched'),
-                         jobs=self.threads)
+                         jobs=self.threads,
+                         _out=sys.stdout,
+                         _err=sys.stderr)
 
     def fix_up(self):
         self.mod_sh.sed("s/#include \"/#include \"..\//g;"  + \
diff --git a/configs/4.19/sched_boundary.yaml b/configs/4.19/sched_boundary.yaml
index d93af55dc628afda699100e5940fd26dafbc2e10..73ddebf8cc99ec0fed155e6a3e500d876f2e1c6f 100644
--- a/configs/4.19/sched_boundary.yaml
+++ b/configs/4.19/sched_boundary.yaml
@@ -30,6 +30,7 @@ interface_prefix:
     - __arm64_compat_sys_
 function:
     interface:
+        - yield_to
         - wake_up_idle_ht
         - __balance_callback
         - do_set_cpus_allowed
diff --git a/src/Makefile.plugsched b/src/Makefile.plugsched
index 48254383981c132e15f05cbc3a703b77ee49a1e3..80834be160709d1c0696f9efd197fb33aa846b6f 100644
--- a/src/Makefile.plugsched
+++ b/src/Makefile.plugsched
@@ -11,16 +11,16 @@ GCC_PLUGIN_FLAGS := -fplugin=/usr/lib64/gcc-python-plugin/python.so \
 
 PHONY += plugsched sidecar collect extract
 
-collect:   CFLAGS_KERNEL = $(GCC_PLUGIN_FLAGS)collect
-extract:   CFLAGS_KERNEL = $(GCC_PLUGIN_FLAGS)extract
-
 plugsched: scripts prepare sidecar
 	$(MAKE) CFLAGS_MODULE=-fkeep-static-functions -C $(srctree) M=$(plugsched_modpath) modules
 
 sidecar: $(plugsched_modpath)/export_jump_sidecar.h
 	python2 $(plugsched_tmpdir)/sidecar.py $< ./vmlinux $(plugsched_tmpdir) $(plugsched_modpath)
 
-collect: $(core-y) $(core-m) $(drivers-y) $(drivers-m) $(net-y) $(net-m) $(virt-y)
+collect:
+	$(MAKE) CFLAGS_KERNEL="$(GCC_PLUGIN_FLAGS)collect" \
+		CFLAGS_MODULE="$(GCC_PLUGIN_FLAGS)collect"
 analyze:
 	python2 $(plugsched_tmpdir)/process.py ./vmlinux $(plugsched_tmpdir) $(plugsched_modpath)
 extract: $(objs)
+	$(MAKE) CFLAGS_KERNEL="$(GCC_PLUGIN_FLAGS)extract" $(objs)