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ci: limit builds by machine load

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To avoid starving test jobs, the build jobs should also back off if
there is a lot of machine load.
This commit is contained in:
Ben Boeckel
2021-04-06 10:43:49 -04:00
parent 6317f92120
commit 3fd2cffb4d
2 changed files with 14 additions and 4 deletions
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14
.gitlab/ci/ctest_build.cmake
View File

@@ -8,10 +8,18 @@ ctest_read_custom_files("${CTEST_BINARY_DIRECTORY}")
# Pick up from where the configure left off.
ctest_start(APPEND)
include(ProcessorCount)
ProcessorCount(nproc)
if (NOT "$ENV{CTEST_MAX_PARALLELISM}" STREQUAL "")
if (nproc GREATER "$ENV{CTEST_MAX_PARALLELISM}")
set(nproc "$ENV{CTEST_MAX_PARALLELISM}")
endif ()
endif ()
if (CTEST_CMAKE_GENERATOR STREQUAL "Unix Makefiles")
include(ProcessorCount)
ProcessorCount(nproc)
set(CTEST_BUILD_FLAGS "-j${nproc}")
set(CTEST_BUILD_FLAGS "-j${nproc} -l${nproc}")
elseif (CTEST_CMAKE_GENERATOR MATCHES "Ninja")
set(CTEST_BUILD_FLAGS "-l${nproc}")
endif ()
ctest_build(

4
.gitlab/ci/ctest_test_external.cmake
View File

@@ -42,7 +42,9 @@ if (NOT "$ENV{CTEST_MAX_PARALLELISM}" STREQUAL "")
endif ()
if (CTEST_CMAKE_GENERATOR STREQUAL "Unix Makefiles")
set(CTEST_BUILD_FLAGS "-j${nproc}")
set(CTEST_BUILD_FLAGS "-j${nproc} -l${nproc}")
elseif (CTEST_CMAKE_GENERATOR MATCHES "Ninja")
set(CTEST_BUILD_FLAGS "-l${nproc}")
endif ()
ctest_build(