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bpf: Remove runqslower tool

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runqslower was added in commit 9c01546d26 "tools/bpf: Add runqslower
tool to tools/bpf" as a BCC port to showcase early BPF CO-RE + libbpf
workflows. runqslower continues to live in BCC (libbpf-tools), so there
is no need to keep building and maintaining it.

Drop tools/bpf/runqslower and remove all build hooks in tools/bpf and
selftests accordingly.

Signed-off-by: Hoyeon Lee <hoyeon.lee@suse.com>
Link: https://lore.kernel.org/r/20251126093821.373291-1-hoyeon.lee@suse.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Hoyeon Lee
2025-11-26 18:38:11 +09:00
committed by Alexei Starovoitov
parent a3a60cc120
commit bd5bdd200c
9 changed files with 4 additions and 413 deletions
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16
tools/testing/selftests/bpf/Makefile
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@@ -127,7 +127,6 @@ TEST_KMOD_TARGETS = $(addprefix $(OUTPUT)/,$(TEST_KMODS))
TEST_GEN_PROGS_EXTENDED = \
bench \
flow_dissector_load \
runqslower \
test_cpp \
test_lirc_mode2_user \
veristat \
@@ -209,8 +208,6 @@ HOST_INCLUDE_DIR := $(INCLUDE_DIR)
endif
HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a
RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids
RUNQSLOWER_OUTPUT := $(BUILD_DIR)/runqslower/
VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \
$(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
../../../../vmlinux \
@@ -232,7 +229,7 @@ $(notdir $(TEST_GEN_PROGS) $(TEST_KMODS) \
MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf \
$(BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/bpftool \
$(HOST_BUILD_DIR)/resolve_btfids \
$(RUNQSLOWER_OUTPUT) $(INCLUDE_DIR))
$(INCLUDE_DIR))
$(MAKE_DIRS):
$(call msg,MKDIR,,$@)
$(Q)mkdir -p $@
@@ -304,17 +301,6 @@ TRUNNER_BPFTOOL := $(DEFAULT_BPFTOOL)
USE_BOOTSTRAP := "bootstrap/"
endif
$(OUTPUT)/runqslower: $(BPFOBJ) | $(DEFAULT_BPFTOOL) $(RUNQSLOWER_OUTPUT)
$(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \
OUTPUT=$(RUNQSLOWER_OUTPUT) VMLINUX_BTF=$(VMLINUX_BTF) \
BPFTOOL_OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \
BPFOBJ_OUTPUT=$(BUILD_DIR)/libbpf/ \
BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) \
BPF_TARGET_ENDIAN=$(BPF_TARGET_ENDIAN) \
EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS) $(EXTRA_CFLAGS)' \
EXTRA_LDFLAGS='$(SAN_LDFLAGS) $(EXTRA_LDFLAGS)' && \
cp $(RUNQSLOWER_OUTPUT)runqslower $@
TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL)
$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(BPFOBJ)