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benchtests: Support for cross-building benchmarks

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This patch adds full support for cross-building benchmarks.  Some
benchmarks like those that need locales to be generated cannot be
built and are hence skipped for cross builds.

Tested by cross building for aarch64 on x86_64 and then running the
generated benchmark on aarch64.

	* benchtests/Makefile (wcsmbs-benchset): Include only for
	native builds and runs.
	(LOCALES): Likewise.
	(bench-build): Build timing-type here instead of the bench
	target.  Generate locale only for native builds.
	* benchtests/README: Add note for cross-building.
This commit is contained in:
Siddhesh Poyarekar 2016-04-20 13:19:01 +05:30
parent d7aea0cf06
commit 2d304f3c6f
3 changed files with 29 additions and 5 deletions
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7
ChangeLog
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@ -1,5 +1,12 @@
2016-04-20 Siddhesh Poyarekar <sid@reserved-bit.com>
* benchtests/Makefile (wcsmbs-benchset): Include only for
native builds and runs.
(LOCALES): Likewise.
(bench-build): Build timing-type here instead of the bench
target. Generate locale only for native builds.
* benchtests/README: Add note for cross-building.
* benchtests/Makefile (bench-clean): Clean up extra-objs.
* benchtests/README: Update README to include instructions on

23
benchtests/Makefile
View File

@ -39,11 +39,19 @@ string-benchset := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
strcoll memcpy-large memmove-large memset-large
# Build and run locale-dependent benchmarks only if we're building natively.
ifeq (no,$(cross-compiling))
wcsmbs-benchset := wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat \
wcscmp wcsncmp wcschr wcschrnul wcsrchr wcsspn wcspbrk wcscspn \
wmemchr wmemset wmemcmp
else
wcsmbs-benchset :=
endif
string-benchset-all := $(string-benchset) ${wcsmbs-benchset}
ifeq (no,$(cross-compiling))
# We have to generate locales
LOCALES := en_US.UTF-8 tr_TR.UTF-8 cs_CZ.UTF-8 fa_IR.UTF-8 fr_FR.UTF-8 \
ja_JP.UTF-8 si_LK.UTF-8 en_GB.UTF-8 vi_VN.UTF-8 ar_SA.UTF-8 \
@ -51,6 +59,7 @@ LOCALES := en_US.UTF-8 tr_TR.UTF-8 cs_CZ.UTF-8 fa_IR.UTF-8 fr_FR.UTF-8 \
he_IL.UTF-8 is_IS.UTF-8 es_ES.UTF-8 hi_IN.UTF-8 sv_SE.UTF-8 \
hu_HU.UTF-8 it_IT.UTF-8 sr_RS.UTF-8 zh_CN.UTF-8
include ../gen-locales.mk
endif
stdlib-benchset := strtod
@ -131,10 +140,16 @@ bench-clean:
rm -f $(timing-type) $(addsuffix .o,$(timing-type))
rm -f $(addprefix $(objpfx),$(bench-extra-objs))
bench: $(timing-type) $(gen-locales) bench-build bench-set bench-func \
bench-malloc
# Target to only build the benchmark without running it.
bench-build: $(binaries-bench) $(binaries-benchset) $(binaries-bench-malloc)
bench: bench-build bench-set bench-func bench-malloc
# Target to only build the benchmark without running it. We generate locales
# only if we're building natively.
ifeq (no,$(cross-compiling))
bench-build: $(gen-locales) $(timing-type) $(binaries-bench) \
$(binaries-benchset) $(binaries-bench-malloc)
else
bench-build: $(timing-type) $(binaries-bench) $(binaries-benchset) \
$(binaries-bench-malloc)
endif
bench-set: $(binaries-benchset)
for run in $^; do \

4
benchtests/README
View File

@ -49,7 +49,9 @@ benchmarks from the build directory as usual:
$ make bench
make sure the copy preserves timestamps by using either rsync or scp -p
otherwise the above command may try to build the benchmark again.
otherwise the above command may try to build the benchmark again. Benchmarks
that require generated code to be executed during the build are skipped when
cross-building.
Adding a function to benchtests:
===============================