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