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export LIBBPFGO = $(CURDIR)/../libbpfgo
export CC = clang
export GOOS = linux
export GOARCH = amd64
export CGO_CFLAGS = -I$(LIBBPFGO)/output -I$(LIBBPFGO)/selftest/common
export CGO_LDFLAGS = -lelf -lzstd $(LIBBPFGO)/output/libbpf.a
all: build run
build: bpfbuild gobuild
.PHONY: bpfbuild
bpfbuild:
make -C ./internal/c redo
if [ ! -e ioriotng.bpf.o ]; then cp -v ./internal/c/ioriotng.bpf.o .; fi
.PHONY: tracepoint_list.go
tracepoint_list.go:
# Fetch tracepoint probes from C code and generate list for Go userland code to auto-attach to.
echo "// Auto-generated from C, don't change manually!" > ./internal/tracepoints/tracepoint_list.go
echo 'package tracepoints' >> ./internal/tracepoints/tracepoint_list.go
echo >> ./internal/tracepoints/tracepoint_list.go
echo 'var tracepointList = []string{' >> ./internal/tracepoints/tracepoint_list.go
sed -n -E '/^SEC.*sys_(enter|exit)_/ { s/[")]//g; s/.*sys_(.*)/\t"\1",/; p; }' \
./internal/c/tracepoints/*.c >> ./internal/tracepoints/tracepoint_list.go
echo '}' >> ./internal/tracepoints/tracepoint_list.go
.PHONY: gobuild
gobuild: tracepoint_list.go
go build -tags netgo -ldflags '-w -extldflags "-static"' -o ioriotng ./cmd/ioriotng/main.go
.PHONY: clean
clean:
find . -type f -name ioriotng -delete
if [ -e ioriotng.bpf.o ]; then rm ioriotng.bpf.o; fi
make -C ./internal/c clean
.PHONY: run
run:
sudo ./ioriotng -uid $$(id -u)
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