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cmake: add LLVM coverage support #8376

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42b8105
cmake: Add the LLVM coverage support.
altimeter-130ft Jan 13, 2024
2601f3a
tests: Give LLVM_PROFILE_FILE the distinct filename on each test.
altimeter-130ft Jan 14, 2024
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11 changes: 10 additions & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -300,6 +300,11 @@ option(FLB_HTTP_CLIENT_DEBUG "Enable HTTP Client debug callbacks" No)
# Run ldconfig on package post-install
option(FLB_RUN_LDCONFIG "Enable execution of ldconfig after installation" No)

include(CMakeDependentOption)

# Coverage types.
cmake_dependent_option(FLB_COVERAGE_TYPE "Coverage type" Yes "FLB_COVERAGE" No)

# Enable all features
if(FLB_ALL)
# Global
Expand Down Expand Up @@ -432,7 +437,11 @@ if(FLB_SMALL)
endif()

if(FLB_COVERAGE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 --coverage -fprofile-arcs -ftest-coverage")
if("llvm" STREQUAL FLB_COVERAGE_TYPE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 -fprofile-instr-generate -fcoverage-mapping")
elseif("gcov" STREQUAL FLB_COVERAGE_TYPE OR FLB_COVERAGE_TYPE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 --coverage -fprofile-arcs -ftest-coverage")
endif()
set(CMAKE_BUILD_TYPE "Debug")
endif()

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9 changes: 9 additions & 0 deletions tests/internal/CMakeLists.txt
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Expand Up @@ -206,6 +206,15 @@ function(prepare_unit_tests TEST_PREFIX SOURCEFILES)
COMMAND ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${source_file_we}
WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/build)
set_tests_properties(${source_file_we} PROPERTIES LABELS "internal")

if("llvm" STREQUAL FLB_COVERAGE_TYPE)
list(APPEND env_vars "LLVM_PROFILE_FILE=${CMAKE_CURRENT_BINARY_DIR}/${source_file_we}.profraw")
endif()

if(env_vars)
set_tests_properties(${source_file_we} PROPERTIES ENVIRONMENT "${env_vars}")
unset(env_vars)
endif()
endif()
endforeach()
endfunction(prepare_unit_tests)
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9 changes: 9 additions & 0 deletions tests/runtime/CMakeLists.txt
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Expand Up @@ -171,5 +171,14 @@ foreach(source_file ${CHECK_PROGRAMS})
WORKING_DIRECTORY ${CMAKE_HOME_DIRECTORY}/build)
set_tests_properties(${source_file_we} PROPERTIES LABELS "runtime")
set_property(TARGET ${source_file_we} APPEND_STRING PROPERTY COMPILE_FLAGS "-D${o_source_file_we}")

if("llvm" STREQUAL FLB_COVERAGE_TYPE)
list(APPEND env_vars "LLVM_PROFILE_FILE=${CMAKE_CURRENT_BINARY_DIR}/${source_file_we}.profraw")
endif()

if(env_vars)
set_tests_properties(${source_file_we} PROPERTIES ENVIRONMENT "${env_vars}")
unset(env_vars)
endif()
endif()
endforeach()
17 changes: 11 additions & 6 deletions tests/runtime_shell/CMakeLists.txt
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Expand Up @@ -20,10 +20,15 @@ foreach(script ${UNIT_TESTS_SH})
COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/${script}
)

set_tests_properties(${script} PROPERTIES ENVIRONMENT
"FLB_ROOT=${PROJECT_SOURCE_DIR};\
FLB_RUNTIME_SHELL_PATH=${CMAKE_CURRENT_SOURCE_DIR};\
FLB_RUNTIME_SHELL_CONF=${CMAKE_CURRENT_SOURCE_DIR}/conf;\
FLB_BIN=${CMAKE_BINARY_DIR}/bin/fluent-bit"
)
list(APPEND env_vars "FLB_ROOT=${PROJECT_SOURCE_DIR}")
list(APPEND env_vars "FLB_RUNTIME_SHELL_PATH=${CMAKE_CURRENT_SOURCE_DIR}")
list(APPEND env_vars "FLB_RUNTIME_SHELL_CONF=${CMAKE_CURRENT_SOURCE_DIR}/conf")
list(APPEND env_vars "FLB_BIN=${CMAKE_BINARY_DIR}/bin/fluent-bit")

if("llvm" STREQUAL FLB_COVERAGE_TYPE)
list(APPEND env_vars "LLVM_PROFILE_FILE=${CMAKE_CURRENT_BINARY_DIR}/${script}.profraw")
endif()

set_tests_properties(${script} PROPERTIES ENVIRONMENT "${env_vars}")
unset(env_vars)
endforeach()