objpfx = $(prefix)/$(ver)/usr/libexec/glibc-benchtests/

bench-math := acos acosh asin asinh atan atanh cos cosh exp exp2 ffs ffsll \

	      log log2 modf pow rint sin sincos sinh sqrt tan tanh

bench-pthread := pthread_once

bench := $(bench-math) $(bench-pthread)

run-bench := $(prefix)/$(ver)/lib64/ld-linux-x86-64.so.2 --library-path $(prefix)/$(ver)/lib64 $${run}

# String function benchmarks.

string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \

		mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \

		strcat strchr strchrnul strcmp strcpy strcspn strlen \

		strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \

		strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok

string-bench-all := $(string-bench)

stdlib-bench := strtod

benchset := $(string-bench-all) $(stdlib-bench)

bench-malloc := malloc-thread

binaries-bench := $(addprefix $(objpfx)bench-,$(bench))

binaries-benchset := $(addprefix $(objpfx)bench-,$(benchset))

binaries-bench-malloc := $(addprefix $(objpfx)bench-,$(bench-malloc))

DETAILED_OPT :=

ifdef DETAILED

	DETAILED_OPT := -d

endif

bench: bench-set bench-func bench-malloc

bench-set: $(binaries-benchset)

	for run in $^; do \

	  outfile=$(prefix)/$$(basename $${run}.$(ver).out); \

	  echo "Running $${run}"; \

	  $(run-bench) > $${outfile}.tmp; \

	  mv $${outfile}{.tmp,}; \

	done

bench-malloc: $(binaries-bench-malloc)

	run=$(objpfx)bench-malloc-thread; \

	outfile=$(prefix)/$$(basename $${run}.$(ver).out); \

	for thr in 1 8 16 32; do \

	  echo "Running $${run} $${thr}"; \

	  $(run-bench) $${thr} > $${outfile}.tmp; \

	  mv $${outfile}{.tmp,}; \

	done

# Build and execute the benchmark functions.  This target generates JSON

# formatted bench.out.  Each of the programs produce independent JSON output,

# so one could even execute them individually and process it using any JSON

# capable language or tool.

bench-func: $(binaries-bench)

	{ echo "{\"timing_type\": \"hp-timing\","; \

	echo " \"functions\": {"; \

	for run in $^; do \

	  if ! [ "x$${run}" = "x$<" ]; then \

	    echo ","; \

	  fi; \

	  echo "Running $${run}" >&2; \

	  $(run-bench) $(DETAILED_OPT); \

	done; \

	echo; \

	echo " }"; \

	echo "}"; } > $(prefix)/bench.$(ver).out-tmp; \

	if [ -f $(prefix)/bench.$(ver).out ]; then \

	  mv -f $(prefix)/bench.$(ver).out{,.old}; \

	fi; \

	mv -f $(prefix)/bench.$(ver).out{-tmp,}

#	scripts/validate_benchout.py bench.out \

#		scripts/benchout.schema.json