| #!/bin/bash |
| |
| # This script generates coverage for bionic. |
| # |
| # Prereqs: Coverage-enabled build. |
| # |
| # $ lunch <target> |
| # $ m NATIVE_COVERAGE_PATHS="bionic" CLANG_COVERAGE=true |
| # $ m NATIVE_COVERAGE_PATHS="bionic" CLANG_COVERAGE=true bionic-unit-tests |
| # |
| # Do *NOT* then rebuild at the top level, or you'll clobber the |
| # coverage-enabled libc! |
| # |
| # Flash image and set $ANDROID_SERIAL. |
| # |
| # Usage: $ bionic/build/coverage.sh |
| # Output: HTML report is generated to /tmp/bionic-coverage/html/index.html |
| # |
| |
| eval "$(cd ${ANDROID_BUILD_TOP}; build/soong/soong_ui.bash --dumpvars-mode --vars="TARGET_ARCH TARGET_ARCH_VARIANT")" |
| |
| LLVM_PROFDATA=${ANDROID_BUILD_TOP}/prebuilts/clang/host/linux-x86/llvm-binutils-stable/llvm-profdata |
| LLVM_COV=${ANDROID_BUILD_TOP}/prebuilts/clang/host/linux-x86/llvm-binutils-stable/llvm-cov |
| |
| DEVICE_TEST_DIR32=/data/local/tmp/bionic-coverage32 |
| DEVICE_TEST_DIR64=/data/local/tmp/bionic-coverage64 |
| DEVICE_PROF_DIR=/data/local/tmp/bionic-profraw |
| HOST_PROFDATA_DIR=/tmp/bionic-coverage |
| |
| # Run bionic-unit-tests |
| adb shell rm -rf ${DEVICE_TEST_DIR32} ${DEVICE_TEST_DIR64} ${DEVICE_PROF_DIR} |
| adb shell mkdir ${DEVICE_TEST_DIR32} ${DEVICE_TEST_DIR64} ${DEVICE_PROF_DIR} |
| adb push $OUT/data/nativetest/bionic-loader-test-libs ${DEVICE_TEST_DIR32} |
| adb push $OUT/data/nativetest/bionic-unit-tests ${DEVICE_TEST_DIR32} |
| adb push $OUT/data/nativetest64/bionic-loader-test-libs ${DEVICE_TEST_DIR64} |
| adb push $OUT/data/nativetest64/bionic-unit-tests ${DEVICE_TEST_DIR64} |
| adb shell LLVM_PROFILE_FILE=${DEVICE_PROF_DIR}/bionic-%p-%m.profraw \ |
| LD_LIBRARY_PATH=${DEVICE_TEST_DIR32}/bionic-loader-test-libs \ |
| ${DEVICE_TEST_DIR32}/bionic-unit-tests/bionic-unit-tests |
| adb shell LLVM_PROFILE_FILE=${DEVICE_PROF_DIR}/bionic-%p-%m.profraw \ |
| LD_LIBRARY_PATH=${DEVICE_TEST_DIR64}/bionic-loader-test-libs \ |
| ${DEVICE_TEST_DIR64}/bionic-unit-tests/bionic-unit-tests |
| |
| # Pull coverage files and post-process |
| rm -rf ${HOST_PROFDATA_DIR} |
| mkdir ${HOST_PROFDATA_DIR} |
| adb pull ${DEVICE_PROF_DIR} ${HOST_PROFDATA_DIR}/profraws |
| |
| ${LLVM_PROFDATA} merge \ |
| --output=${HOST_PROFDATA_DIR}/bionic.profdata \ |
| ${HOST_PROFDATA_DIR}/profraws/*.profraw |
| |
| ${LLVM_COV} show \ |
| --instr-profile=${HOST_PROFDATA_DIR}/bionic.profdata \ |
| --format=html \ |
| $OUT/symbols/apex/com.android.runtime/lib64/bionic/libc.so \ |
| --object=$OUT/symbols/apex/com.android.runtime/lib64/bionic/libm.so \ |
| --object=$OUT/symbols/data/nativetest64/bionic-unit-tests/bionic-unit-tests \ |
| --object=$OUT/symbols/apex/com.android.runtime/lib/bionic/libc.so \ |
| --object=$OUT/symbols/apex/com.android.runtime/lib/bionic/libm.so \ |
| --object=$OUT/symbols/data/nativetest/bionic-unit-tests/bionic-unit-tests \ |
| /proc/self/cwd/bionic/libc \ |
| /proc/self/cwd/bionic/libm \ |
| --output-dir=${HOST_PROFDATA_DIR}/html \ |
| --show-region-summary=false |