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|
SHELL := /bin/bash
################# Principal parameters #################
REPO_URL ?= https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
REPO_BRANCH ?= master
RANGE ?= daily
# Number of initial commits to skip. This option has been added for the
# Linux kernel repo, as the first commits are too far away date wise.
SKIP_COMMITS ?= 0
# Reset LC_NUMERIC to make printf thousands separator work as expected
export LC_NUMERIC :=
export DNA_BACKUP ?= ../dna-backup
export DNA_PARAMS ?= dna_params
export MAX_VERSION ?= 5
export COMMITS ?= commits.$(RANGE)
DNA_4K ?= dna_4k
DNA_8K ?= dna_8k
NOPACK ?= nopack
export GIT_NOPACK ?= $(abspath $(NOPACK))
export TARGZ ?= targz
export REAL ?= real
export DIFFS ?= diffs
export REPO_PATH ?= repo
export GIT_PATH ?= $(abspath git)
GITC := git -C $(REPO_PATH)
DNADIRS := $(DNA_4K) $(DNA_8K)
DATADIRS := $(DNA_4K) $(DNA_8K) $(DIFFS) $(NOPACK) $(TARGZ) $(REAL)
SIZEFILES := $(DATADIRS:%=%.size)
.PHONY: all exp
all exp: summary.csv $(SIZEFILES)
@echo "=============== SUMMARY ==============="
@head -n 1 $< | while IFS="," read -r $(DATADIRS); do \
printf "$(DATADIRS:%=\%13s)\n" $(DATADIRS:%=$$%); \
done
@tail -n +2 $< | while IFS="," read -r $(DATADIRS); do \
printf "$(DATADIRS:%=\%'13d)\n" $(DATADIRS:%=$$%); \
done
@echo "================ TOTAL ================"
@for i in $(SIZEFILES); do cat $$i | paste -sd+ | bc; done | while read j; do \
printf "%'13d " $$j; \
done
@echo
summary.csv: $(SIZEFILES)
echo $(DATADIRS) | tr ' ' ',' > $@
paste -d "," $^ >> $@
$(DNADIRS:%=%.size) $(REAL).size: %.size: %.versions run
rm -rf $@
for i in $</*; do \
cut -f1 $$i | paste -sd+ | bc >> $@; \
done
$(NOPACK).size: $(NOPACK).versions run
rm -rf $@
prev=/dev/null; for i in $</*; do \
diff -u0 $$prev $$i \
| sed -e '1,2d' -e '/^-/d' -e 's/^+//' -e '/^@@/d' \
| grep /objects/ \
| cut -f1 \
| paste -sd+ \
| bc \
>> $@; \
prev=$$i; \
done
%.size: % run
find $< -type f -exec du -ba {} + | sort -k2 | cut -f1 > $@
%.versions: %.results
rm -rf $@
mkdir -p $@
for i in $*/*; do \
v=`echo $$i | cut -d / -f2`; \
grep $$i $< > $@/$$v ; \
done
%.results: % run
find $< -type f -exec du -ba {} + \
| grep -v hashes \
| sort -k2 \
> $@
run: $(COMMITS) $(DNA_BACKUP) $(DNA_PARAMS) | printvars $(DATADIRS) $(NOPACK).versions $(REAL).versions
rm -rf $(DATADIRS:%=%/*) $(DATADIRS:%=%.versions/*)
./exp.sh
touch $@
.PHONY: printvars
printvars:
@$(foreach V,$(sort $(.VARIABLES)),\
$(if $(filter-out environment% default automatic,$(origin $V)),\
$(info $V=$($V))))
$(DNA_PARAMS):
echo "$(DNA_4K) -c 4096" >> $@
echo "$(DNA_8K) -c 8192" >> $@
$(DATADIRS) $(NOPACK).versions $(REAL).versions:
mkdir $@
$(DNA_BACKUP): .FORCE
@$(MAKE) -C $(@D) --no-print-directory $(@F)
.INTERMEDIATE: commits.monthly
commits.monthly: commits.daily
sed -n '0~30p' $< > $@
.INTERMEDIATE: commits.weekly
commits.weekly: commits.daily
sed -n '0~7p' $< > $@
.INTERMEDIATE: commits.daily
commits.daily: commits
tail -n +$(SKIP_COMMITS) $< > $@
commits: | repo git
$(GITC) log $(REPO_BRANCH) --reverse --date-order --first-parent --pretty=tformat:"%H %as" \
| sort --unique --key=2 \
> $@
repo git &:
git clone --separate-git-dir=$(GIT_PATH) $(REPO_URL) $(REPO_PATH)
# remove warning about detached head state
$(GITC) config advice.detachedHead false
.PHONY: clean
clean: mostlyclean
rm -rf $(REPO_PATH) $(GIT_PATH)
rm -f commits
mostlyclean: resultsclean
rm -rf $(DATADIRS) $(DATADIRS:%=%.versions)
rm -f run $(DATADIRS:%=%.results) $(DNA_PARAMS) commits.*
resultsclean:
rm -f summary.csv $(SIZEFILES)
.FORCE: ;
|
