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| author |   Pu Lehui <pulehui@huawei.com> | 2022-07-14 10:46:12 +0800 |
|---|---|---|
| committer |   Andrii Nakryiko <andrii@kernel.org> | 2022-07-15 12:01:30 -0700 |
| commit | 3848636b4a88f0706f9ce48d532163244abadd43 (patch) | |
| tree | 840943b56fe236aa15abb55f6f1143c9a28ebe12 /kernel/bpf | |
| parent | tools: runqslower: Build and use lightweight bootstrap version of bpftool (diff) | |
| download | linux-dev-3848636b4a88f0706f9ce48d532163244abadd43.tar.xz linux-dev-3848636b4a88f0706f9ce48d532163244abadd43.zip | |
bpf: iterators: Build and use lightweight bootstrap version of bpftool
kernel/bpf/preload/iterators use bpftool for vmlinux.h, skeleton, and
static linking only. So we can use lightweight bootstrap version of
bpftool to handle these, and it will be faster.
Suggested-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Pu Lehui <pulehui@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220714024612.944071-4-pulehui@huawei.com
Diffstat (limited to 'kernel/bpf')
| -rw-r--r-- | kernel/bpf/preload/iterators/Makefile | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/kernel/bpf/preload/iterators/Makefile b/kernel/bpf/preload/iterators/Makefile index bfe24f8c5a20..6762b1260f2f 100644 --- a/kernel/bpf/preload/iterators/Makefile +++ b/kernel/bpf/preload/iterators/Makefile @@ -9,7 +9,7 @@ LLVM_STRIP ?= llvm-strip TOOLS_PATH := $(abspath ../../../../tools) BPFTOOL_SRC := $(TOOLS_PATH)/bpf/bpftool BPFTOOL_OUTPUT := $(abs_out)/bpftool -DEFAULT_BPFTOOL := $(OUTPUT)/sbin/bpftool +DEFAULT_BPFTOOL := $(BPFTOOL_OUTPUT)/bootstrap/bpftool BPFTOOL ?= $(DEFAULT_BPFTOOL) LIBBPF_SRC := $(TOOLS_PATH)/lib/bpf @@ -61,9 +61,5 @@ $(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(LIBBPF_OU OUTPUT=$(abspath $(dir $@))/ prefix= \ DESTDIR=$(LIBBPF_DESTDIR) $(abspath $@) install_headers -$(DEFAULT_BPFTOOL): $(BPFOBJ) | $(BPFTOOL_OUTPUT) - $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOL_SRC) \ - OUTPUT=$(BPFTOOL_OUTPUT)/ \ - LIBBPF_OUTPUT=$(LIBBPF_OUTPUT)/ \ - LIBBPF_DESTDIR=$(LIBBPF_DESTDIR)/ \ - prefix= DESTDIR=$(abs_out)/ install-bin +$(DEFAULT_BPFTOOL): | $(BPFTOOL_OUTPUT) + $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOL_SRC) OUTPUT=$(BPFTOOL_OUTPUT)/ bootstrap |