f62d301b92
Add a TestLoad setting to CTest that can be set via a new --test-load command-line option, CTEST_TEST_LOAD variable, or TEST_LOAD option to the ctest_test command. Teach cmCTestMultiProcessHandler to measure the CPU load and avoid starting tests that may take more than the spare load currently available. The expression <current_load> + <test_processors> <= <max-load> must be true to start a new test. Co-Author: Zack Galbreath <zack.galbreath@kitware.com>
52 lines
1.5 KiB
CMake
52 lines
1.5 KiB
CMake
include(RunCTest)
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set(RunCMake_TEST_TIMEOUT 60)
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set(CASE_CTEST_TEST_ARGS "")
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set(CASE_CTEST_TEST_LOAD "")
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function(run_ctest_test CASE_NAME)
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set(CASE_CTEST_TEST_ARGS "${ARGN}")
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run_ctest(${CASE_NAME})
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endfunction()
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run_ctest_test(TestQuiet QUIET)
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# Tests for the 'Test Load' feature of ctest
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#
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# Spoof a load average value to make these tests more reliable.
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set(ENV{__CTEST_FAKE_LOAD_AVERAGE_FOR_TESTING} 5)
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# Verify that new tests are started when the load average falls below
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# our threshold.
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run_ctest_test(TestLoadPass TEST_LOAD 6)
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# Verify that new tests are not started when the load average exceeds
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# our threshold.
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run_ctest_test(TestLoadFail TEST_LOAD 2)
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# Verify that when an invalid "TEST_LOAD" value is given, a warning
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# message is displayed and the value is ignored.
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run_ctest_test(TestLoadInvalid TEST_LOAD "ERR1")
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# Verify that new tests are started when the load average falls below
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# our threshold.
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set(CASE_CTEST_TEST_LOAD 7)
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run_ctest_test(CTestTestLoadPass)
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# Verify that new tests are not started when the load average exceeds
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# our threshold.
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set(CASE_CTEST_TEST_LOAD 4)
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run_ctest_test(CTestTestLoadFail)
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# Verify that when an invalid "CTEST_TEST_LOAD" value is given,
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# a warning message is displayed and the value is ignored.
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set(CASE_CTEST_TEST_LOAD "ERR2")
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run_ctest_test(CTestTestLoadInvalid)
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# Verify that the "TEST_LOAD" value has higher precedence than
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# the "CTEST_TEST_LOAD" value
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set(CASE_CTEST_TEST_LOAD "ERR3")
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run_ctest_test(TestLoadOrder TEST_LOAD "ERR4")
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unset(ENV{__CTEST_FAKE_LOAD_AVERAGE_FOR_TESTING})
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