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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/libbpf.a
export GO ?= go
all: bpfbuild gobuild
.PHONY: bpfbuild
bpfbuild:
make -C ./internal/c redo
cp -v ./internal/c/ior.bpf.o .
gen: generate
generate: generate
.PHONY: generate
generate:
make -C ./internal/c generate
make -C ./internal/tracepoints generate
make -C ./internal/types generate
.PHONY: gobuild
gobuild:
$(GO) build -tags netgo -ldflags '-w -extldflags "-static"' -o ior ./cmd/ior/main.go
gobuild_race:
$(GO) build -tags netgo -ldflags '-w -extldflags "-static"' -race -o ior ./cmd/ior/main.go
.PHONY: clean
clean:
find . -type f -name ior -delete
if [ -e ior.bpf.o ]; then rm ior.bpf.o; fi
make -C ./internal/c clean
.PHONY: world
world: clean generate all
.PHONY: flames
flames:
perl ~/git/FlameGraph/flamegraph.pl ior-by-path-count-flamegraph.collapsed \
--title "I/O Syscall Count" --nametype Path --hash --inverted \
> ior-by-path-count-flamegraph.svg; \
perl ~/git/FlameGraph/flamegraph.pl ior-by-path-duration-flamegraph.collapsed \
--title "I/O Syscall Durations" --nametype Path --hash --countname Nanoseconds --inverted \
> ior-by-path-duration-flamegraph.svg; \
perl ~/git/FlameGraph/flamegraph.pl ior-by-syscall-count-flamegraph.collapsed \
--title "I/O Syscall Count" --nametype Path --hash \
> ior-by-syscall-count-flamegraph.svg; \
perl ~/git/FlameGraph/flamegraph.pl ior-by-syscall-duration-flamegraph.collapsed \
--title "I/O Syscall Durations" --nametype Path --hash --countname Nanoseconds \
> ior-by-syscall-duration-flamegraph.svg; \
.PHONY: inferno
inferno:
inferno-flamegraph < ior-by-path-count-flamegraph.collapsed \
--title "I/O Syscall Count" --nametype Path --hash --inverted \
> ior-by-path-count-flamegraph.svg; \
inferno-flamegraph < ior-by-path-duration-flamegraph.collapsed \
--title "I/O Syscall Durations" --nametype Path --hash --countname Nanoseconds --inverted \
> ior-by-path-duration-flamegraph.svg; \
inferno-flamegraph < ior-by-syscall-count-flamegraph.collapsed \
--title "I/O Syscall Count" --nametype Path --hash \
> ior-by-syscall-count-flamegraph.svg; \
inferno-flamegraph < ior-by-syscall-duration-flamegraph.collapsed \
--title "I/O Syscall Durations" --nametype Path --hash --countname Nanoseconds \
> ior-by-syscall-duration-flamegraph.svg; \
.PHONY: prof
prof:
$(GO) tool pprof -pdf ./ior ior.cpuprofile > cpuprofile.pdf && evince cpuprofile.pdf &
$(GO) tool pprof -pdf ./ior ior.memprofile > memprofile.pdf && evince memprofile.pdf &
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