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https://github.com/edk2-porting/linux-next.git
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47efb30274
This is a simple example and shows how to use the new ability to get the selected Hardware PMU counter value. Signed-off-by: Kaixu Xia <xiakaixu@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
67 lines
2.1 KiB
Makefile
67 lines
2.1 KiB
Makefile
# kbuild trick to avoid linker error. Can be omitted if a module is built.
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obj- := dummy.o
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# List of programs to build
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hostprogs-y := test_verifier test_maps
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hostprogs-y += sock_example
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hostprogs-y += sockex1
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hostprogs-y += sockex2
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hostprogs-y += sockex3
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hostprogs-y += tracex1
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hostprogs-y += tracex2
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hostprogs-y += tracex3
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hostprogs-y += tracex4
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hostprogs-y += tracex5
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hostprogs-y += tracex6
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hostprogs-y += lathist
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test_verifier-objs := test_verifier.o libbpf.o
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test_maps-objs := test_maps.o libbpf.o
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sock_example-objs := sock_example.o libbpf.o
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sockex1-objs := bpf_load.o libbpf.o sockex1_user.o
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sockex2-objs := bpf_load.o libbpf.o sockex2_user.o
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sockex3-objs := bpf_load.o libbpf.o sockex3_user.o
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tracex1-objs := bpf_load.o libbpf.o tracex1_user.o
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tracex2-objs := bpf_load.o libbpf.o tracex2_user.o
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tracex3-objs := bpf_load.o libbpf.o tracex3_user.o
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tracex4-objs := bpf_load.o libbpf.o tracex4_user.o
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tracex5-objs := bpf_load.o libbpf.o tracex5_user.o
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tracex6-objs := bpf_load.o libbpf.o tracex6_user.o
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lathist-objs := bpf_load.o libbpf.o lathist_user.o
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# Tell kbuild to always build the programs
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always := $(hostprogs-y)
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always += sockex1_kern.o
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always += sockex2_kern.o
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always += sockex3_kern.o
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always += tracex1_kern.o
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always += tracex2_kern.o
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always += tracex3_kern.o
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always += tracex4_kern.o
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always += tracex5_kern.o
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always += tracex6_kern.o
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always += tcbpf1_kern.o
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always += lathist_kern.o
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HOSTCFLAGS += -I$(objtree)/usr/include
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HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable
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HOSTLOADLIBES_sockex1 += -lelf
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HOSTLOADLIBES_sockex2 += -lelf
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HOSTLOADLIBES_sockex3 += -lelf
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HOSTLOADLIBES_tracex1 += -lelf
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HOSTLOADLIBES_tracex2 += -lelf
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HOSTLOADLIBES_tracex3 += -lelf
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HOSTLOADLIBES_tracex4 += -lelf -lrt
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HOSTLOADLIBES_tracex5 += -lelf
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HOSTLOADLIBES_tracex6 += -lelf
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HOSTLOADLIBES_lathist += -lelf
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# point this to your LLVM backend with bpf support
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LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc
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$(obj)/%.o: $(src)/%.c
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clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \
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-D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \
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-O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@
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