SHELL = bash
.ONESHELL:

VPATH=..

ATT = $(EXE:=.att)
CAC = $(EXE:=.cac)
CAL = $(EXE:=.cal)
DAT = $(EXE:=.dat)
DEP = $(addprefix .,$(EXE:=.d))
EXE = $(basename $(SRC))
FOL = $(EXE:=.fol)
LTR = $(EXE:=.ltrace)
LNE = 8
SRC = $(notdir $(wildcard ../server*.cc))
STR = $(EXE:=.strace)
TRC = $(EXE:=.trace)

CXXFLAGS = -fanalyzer -g -I. -MF .$*.d -MMD -march=native -O3 -std=c++20 -Wall

all: test

att: $(ATT)

clean:
	-rm -f $(ATT) $(CAC) $(CAL) $(DAT) $(DEP) $(EXE) $(FOL) $(LTR) $(STR) *.svg /tmp/{0..99}.txt core.* *~

exe: src $(EXE)

src: $(SRC)

ltrace: $(LTR)

strace: $(STR)

trace: $(TRC)

test: $(EXE)
	@for i in $^; do
		echo -e "$$i:\t$$(./$$i)"
	done
	for i in $^; do
		-rm -f /tmp/{0..99}.txt
		sync
		echo -n "$$i:	"
		-perf stat -r 5 -- ./$$i |& grep 'elapsed' | tr -s ' '
	done

-include $(DEP)

server5 server6: LDLIBS+=-lboost_fiber -lboost_context

%.att: %
	objdump -Cd $< > $@

%.cac: %
	valgrind --cachegrind-out-file=$@ --tool=cachegrind ./$<

%.cal: %
	-valgrind --branch-sim=yes --cacheuse=yes --callgrind-out-file=$@ --cache-sim=yes --collect-jumps=yes --demangle=yes --dump-instr=yes --instr-atstart=yes -q --separate-threads=yes --tool=callgrind --trace-jump=yes ./$<

%.cga: %.cac
	cg_annotate --auto=yes $<

%.dat: %
	-perf record --call-graph dwarf --freq=max -o $@ -- ./'$<'

%.fg: %.svg
	eog $< &

%.fol: %.dat
	-perf script -i $< | stackcollapse-perf.pl | grep -v cpu_idle > $@

%.kcg: %.cal
	kcachegrind $<

%.leak: %
#	valgrind --leak-check=full --show-error-list=yes --show-leak-kinds=all --track-origins=yes --verbose ./$<
	valgrind --leak-check=summary --show-leak-kinds=all --track-origins=yes ./$<

%.ltrace: %
	@printf "%79s\n \t$*\n%79s\n" | tr ' ' '#'
	ltrace -cf ./$< |& c++filt | head -n $(LNE) | cut -c 1-80

%.perf: %.dat
	perf report -g 'graph,0.5,caller' -i $<

%.strace: %
	@printf "%79s\n \t$*\n%79s\n" | tr ' ' '#'
	strace -cf -qq ./$< |& c++filt | head -n $(LNE) | cut -c 1-$$(tput cols)

%.svg: %.fol
	flamegraph.pl $< > $@

%.trace: %
	@printf "%79s\n \t$*\n%79s\n" | tr ' ' '#'
	ltrace -cfS ./$< |& c++filt | head -n $(LNE) | cut -c 1-$$(tput cols)

.PHONY: all att clean exe ltrace strace test trace
.PRECIOUS: $(CAC) $(CAL) $(DAT) $(FOL)