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|
export LIBBPFGO = $(CURDIR)/../../../libbpfgo
export CC = clang
SOURCES := $(wildcard *.bpf.c)
TARGETS := $(SOURCES:.bpf.c=.bpf.o)
all: $(TARGETS)
redo: clean all
%.bpf.o: %.bpf.c vmlinux.h
$(CC) -g -O2 -Wall -fpie -target bpf -D__TARGET_ARCH_amd64 \
-I$(LIBBPFGO)/output -c $< -o $@
vmlinux.h:
bpftool btf dump file /sys/kernel/btf/vmlinux format c > vmlinux.h
.PHONY: clean
clean:
find . -name \*.o -delete
find . -name vmlinux.h -delete
.PHONY: generate
generate: generate_tracepoints
.PHONY: generate_tracepoints
generate_tracepoints:
sudo sh -c 'sudo find /sys/kernel/tracing/events/syscalls -maxdepth 2 -mindepth 2 -name format' \
| sort -t_ -k3 | sudo xargs cat \
| raku generate_tracepoints_c.raku > ./generated_tracepoints.c
grep '^/// ' ./generated_tracepoints.c | sort | sed 's|/// ||' > ./generated_tracepoints_result.txt.new
diff -u ./generated_tracepoints_result.txt ./generated_tracepoints_result.txt.new
cp ./generated_tracepoints_result.txt.new ./generated_tracepoints_result.txt
# TODO: Document what to do, when a syscall is missing. E.g. we also need to add the new syscall maybe
# to the classifier in generate_tracepoints_c.raku!
.PHONY: generate_tracepoints_force
generate_tracepoints_force:
sudo sh -c 'sudo find /sys/kernel/tracing/events/syscalls -maxdepth 2 -mindepth 2 -name format' \
| sort -t_ -k3 | sudo xargs cat \
| raku generate_tracepoints_c.raku > ./generated_tracepoints.c
grep '^/// ' ./generated_tracepoints.c | sort | sed 's|/// ||' > ./generated_tracepoints_result.txt.new
sh -c 'diff -u ./generated_tracepoints_result.txt ./generated_tracepoints_result.txt.new; exit 0'
cp ./generated_tracepoints_result.txt.new ./generated_tracepoints_result.txt
.PHONY: generate_tracepoints_stdout
generate_tracepoints_stdout:
sudo sh -c 'sudo find /sys/kernel/tracing/events/syscalls -maxdepth 2 -mindepth 2 -name format' \
| sort -t_ -k3 | sudo xargs cat \
| raku generate_tracepoints_c.raku
|
