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Makefile
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Makefile
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.DEFAULT_GOAL := build
BUILD_VAR_PREFIX := github.com/prometheus/common/version
BUILD_USER := $(shell id -u -n)@$(shell hostname)
BUILD_DATE := $(shell date --iso-8601=seconds)
ifeq (yes,$(shell which git > /dev/null && test -e .git && echo yes))
BUILD_VERSION := $(shell git describe --tags)
BUILD_BRANCH := $(shell git rev-parse --abbrev-ref HEAD)
BUILD_REVISION := $(shell git rev-parse --short HEAD)
else
BUILD_VERSION := unknown
BUILD_BRANCH := unknown
BUILD_REVISION := unknown
endif
GO_LDFLAGS_VARS := -X $(BUILD_VAR_PREFIX).Version=$(BUILD_VERSION) \
-X $(BUILD_VAR_PREFIX).Branch=$(BUILD_BRANCH) \
-X $(BUILD_VAR_PREFIX).Revision=$(BUILD_REVISION) \
-X $(BUILD_VAR_PREFIX).BuildUser=$(BUILD_USER) \
-X $(BUILD_VAR_PREFIX).BuildDate=$(BUILD_DATE)
CLANG_FORMAT_FILES = ${wildcard examples/*.c examples/*.h benchmark/probes/*.c benchmark/probes/*.h}
# * cachestat-pre-kernel-5.16 fails to attach in newer kernels (see code)
# * llcstat requires real hardware to attach perf events, which is not present in ci
CONFIGS_TO_IGNORE_IN_CHECK := cachestat-pre-kernel-5.16 llcstat
# * cgroup-rstat-flushing depend on kernel v6.10, which is not yet on CI system
CONFIGS_TO_IGNORE_IN_CHECK += cgroup-rstat-flushing
CONFIGS_TO_CHECK := $(filter-out $(CONFIGS_TO_IGNORE_IN_CHECK), ${patsubst examples/%.yaml, %, ${wildcard examples/*.yaml}})
CGO_LDFLAGS_DYNAMIC = -l bpf
CGO_LDFLAGS = $(CGO_LDFLAGS_DYNAMIC)
include Makefile.libbpf
GO_TEST_ARGS = -v
# On aarch64 it's unavailable: FATAL: ThreadSanitizer: unsupported VMA range
ifneq ($(shell uname -m),aarch64)
GO_TEST_ARGS += -race
endif
.PHONY: lint
lint:
go mod verify
CGO_LDFLAGS="$(CGO_LDFLAGS)" CGO_CFLAGS="$(CGO_CFLAGS)" golangci-lint run ./...
.PHONY: markdown-link-check
markdown-link-check:
docker run --rm -v $(shell pwd):/tmp/check:ro -w /tmp/check --entrypoint /bin/sh ghcr.io/tcort/markdown-link-check:stable -c 'markdown-link-check --config .markdown-link-check.json $$(find . -name \*.md | grep -v ^\./libbpf)'
.PHONY: jsonschema
jsonschema:
./scripts/jsonschema.sh
.PHONY: clang-format-check
clang-format-check:
./scripts/clang-format-check.sh $(CLANG_FORMAT_FILES)
.PHONY: test
test: $(LIBBPF_DEPS)
CGO_LDFLAGS="$(CGO_LDFLAGS)" CGO_CFLAGS="$(CGO_CFLAGS)" go test $(GO_TEST_ARGS) ./...
.PHONY: test-privileged
test-privileged:
sudo go test $(GO_TEST_ARGS) ./cgroup
.PHONY: config-check
config-check:
sudo ./ebpf_exporter --capabilities.keep=none --config.check --config.strict --config.dir=examples --config.names=$(shell echo $(CONFIGS_TO_CHECK) | tr ' ' ',')
.PHONY: build
build: build-static
.PHONY: build-static
build-static: $(LIBBPF_DEPS)
$(eval CGO_LDFLAGS=$(subst $(CGO_LDFLAGS_DYNAMIC),$(shell PKG_CONFIG_PATH=$(LIBBPF_PKG_CONFIG_PATH) pkg-config --static --libs libbpf),$(CGO_LDFLAGS)))
$(MAKE) build-binary GO_BUILD_ARGS="-tags netgo,osusergo" GO_LDFLAGS='-extldflags "-static"' CGO_LDFLAGS="$(CGO_LDFLAGS)"
.PHONY: build-dynamic
build-dynamic:
$(MAKE) build-binary
.PHONY: build-binary
build-binary: $(LIBBPF_DEPS)
CGO_LDFLAGS="$(CGO_LDFLAGS)" CGO_CFLAGS="$(CGO_CFLAGS)" go build $(GO_BUILD_ARGS) -o ebpf_exporter -v -ldflags="$(GO_LDFLAGS) $(GO_LDFLAGS_VARS)" ./cmd/ebpf_exporter
.PHONY: examples
examples:
$(MAKE) -C examples
.PHONY: tracing-demos
tracing-demos:
$(MAKE) -C tracing/demos
.PHONY: syscalls
syscalls:
go run ./scripts/mksyscalls --strace.version v6.8
.PHONY: clean
clean:
rm -rf ebpf_exporter libbpf
$(MAKE) -C tracing/demos clean
$(MAKE) -C examples clean
$(MAKE) -C benchmark clean