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ptest.bbclass: Honor PARALLEL_MAKE, PARALLEL_MAKEINST

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Since oe_runmake wrapper doesn't by default involve PARALLEL_MAKE
outside do_compile() nor PARALLEL_MAKEINST outside do_install(),
enable parallellized make by default when oe_runmake is invoked from
do_compile_ptest() or do_install_ptest() by declaring wrapper task
specific EXTRA_OEMAKE overrides in fashion similar to do_compile and
do_install overrides in meta/conf/bitbake.conf.

Parallel make can still be disabled by resetting bbclass specific
PTEST_PARALLEL_MAKE and PTEST_PARALLEL_MAKEINST variables in recipe
e.g. if a race issue needs to be avoided without modifying source code.

Tested by issuing following command sequence on a 32-core build host:

  $ bitbake -c clean util-linux && bitbake --skip-setscene -c compile util-linux && time bitbake --skip-setscene -c compile_ptest_base util-linux

and found that before this change the result was

  real	0m34.684s
  user	0m0.753s
  sys	0m0.131s

and after this change

  real	0m9.868s
  user	0m0.749s
  sys	0m0.150s

(From OE-Core rev: 5c09d2a017add8bd34142c6c1543e2d0f9ead286)

Signed-off-by: Niko Mauno <niko.mauno@vaisala.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
niko.mauno@vaisala.com
2022-06-22 22:16:13 +03:00
committed by Richard Purdie
parent 24e6bbb90f
commit d45aef25c1
1 changed files with 4 additions and 0 deletions
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4
meta/classes/ptest.bbclass
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@@ -5,6 +5,10 @@ This package contains a test directory ${PTEST_PATH} for package test purposes."
PTEST_PATH ?= "${libdir}/${BPN}/ptest"
PTEST_BUILD_HOST_FILES ?= "Makefile"
PTEST_BUILD_HOST_PATTERN ?= ""
PTEST_PARALLEL_MAKE ?= "${PARALLEL_MAKE}"
PTEST_PARALLEL_MAKEINST ?= "${PARALLEL_MAKEINST}"
EXTRA_OEMAKE:prepend:task-compile-ptest-base = "${PTEST_PARALLEL_MAKE} "
EXTRA_OEMAKE:prepend:task-install-ptest-base = "${PTEST_PARALLEL_MAKEINST} "
FILES:${PN}-ptest += "${PTEST_PATH}"
SECTION:${PN}-ptest = "devel"