netdev - [PATCH bpf-next 3/3] selftests/bpf: build runqslower from selftests

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Date:   Wed, 18 Dec 2019 23:06:58 -0800
From:   Andrii Nakryiko <andriin@...com>
To:     <bpf@...r.kernel.org>, <netdev@...r.kernel.org>, <ast@...com>,
        <daniel@...earbox.net>
CC:     <andrii.nakryiko@...il.com>, <kernel-team@...com>,
        Andrii Nakryiko <andriin@...com>
Subject: [PATCH bpf-next 3/3] selftests/bpf: build runqslower from selftests

Ensure runqslower tool from libbpf is built as part of selftests to prevent it
from bit rotting.

Signed-off-by: Andrii Nakryiko <andriin@...com>
---
 tools/testing/selftests/bpf/Makefile | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index c652bd84ef0e..1f8eb95d019c 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -75,7 +75,7 @@ TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \
 	flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \
 	test_lirc_mode2_user xdping test_cpp
 
-TEST_CUSTOM_PROGS = urandom_read
+TEST_CUSTOM_PROGS = urandom_read runqslower
 
 # Emit succinct information message describing current building step
 # $1 - generic step name (e.g., CC, LINK, etc);
@@ -93,6 +93,7 @@ OVERRIDE_TARGETS := 1
 override define CLEAN
 	$(call msg,    CLEAN)
 	$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
+	$(MAKE) -C $(BPFDIR)/tools/runqslower clean
 endef
 
 include ../lib.mk
@@ -119,6 +120,10 @@ $(OUTPUT)/test_stub.o: test_stub.c
 	$(call msg,         CC,,$@)
 	$(CC) -c $(CFLAGS) -o $@ $<
 
+.PHONY: $(OUTPUT)/runqslower
+$(OUTPUT)/runqslower: force
+	$(MAKE) -C $(BPFDIR)/tools/runqslower
+
 BPFOBJ := $(OUTPUT)/libbpf.a
 
 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ)
-- 
2.17.1