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| author | Siddhesh Poyarekar <siddhesh@redhat.com> | 2013-03-15 12:30:03 +0530 |
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| committer | Siddhesh Poyarekar <siddhesh@redhat.com> | 2013-03-15 12:30:03 +0530 |
| commit | 8cfdb7e0560ab27e70a1d2e898fb4a0a67a13c70 (patch) | |
| tree | 7eb91b35e7d04f1c4889563b3c922e512cfe2045 /Rules | |
| parent | d22ca8cdfb98001d03772ef264b244930d439b3f (diff) | |
| download | glibc-8cfdb7e0560ab27e70a1d2e898fb4a0a67a13c70.tar.gz glibc-8cfdb7e0560ab27e70a1d2e898fb4a0a67a13c70.tar.xz glibc-8cfdb7e0560ab27e70a1d2e898fb4a0a67a13c70.zip | |
Framework for performance benchmarking of functions
See benchtests/Makefile to know how to use it.
Diffstat (limited to 'Rules')
| -rw-r--r-- | Rules | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/Rules b/Rules index 301a74818c..bc5dacd2f6 100644 --- a/Rules +++ b/Rules @@ -83,7 +83,7 @@ common-generated += dummy.o dummy.c # This makes all the auxiliary and test programs. -.PHONY: others tests +.PHONY: others tests bench ifeq ($(multi-arch),no) tests := $(filter-out $(tests-ifunc), $(tests)) xtests := $(filter-out $(xtests-ifunc), $(xtests)) @@ -188,6 +188,31 @@ $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence. $(make-test-out) > $@ endif # tests + +# Build and run benchmark programs. +binaries-bench := $(addprefix $(objpfx)bench-,$(bench)) + +run-bench = $(test-wrapper-env) \ + GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \ + $($*-ENV) $(run-via-rtld-prefix) $${run} + +bench: $(binaries-bench) + if [ -f $(objpfx)bench.out ]; then \ + mv -f $(objpfx)bench.out $(objpfx)bench.out.old; \ + fi + for run in $^; do \ + eval $(run-bench) >> $(objpfx)bench.out; \ + done + +$(binaries-bench): %: %.o \ + $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \ + $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) + $(+link) + +$(objpfx)bench-%.c: %-inputs bench-skeleton.c + $(..)scripts/bench.pl $(patsubst %-inputs,%,$<) \ + $($*-ITER) $($*-ARGLIST) $($*-RET) > $@ + .PHONY: distclean realclean subdir_distclean subdir_realclean \ subdir_clean subdir_mostlyclean subdir_testclean |