Most are "[section .text]" and "[334 Others]" when using `-d compileunits` so no much useful information :/
fzyzcjy opened this issue · comments
Hi thanks for this wonderful library! I am using it to examine a .so generated by Android NDK. However, I cannot find much useful information:
bloaty ./build/temp-libvision_utils.so --debug-file=./build/vision_utils/intermediates/stripped_native_libs/debug/out/lib/arm64-v8a/libvision_utils.so -d compileunits
FILE SIZE VM SIZE
-------------- --------------
36.7% 2.49Mi 34.1% 2.49Mi [section .text]
26.6% 1.81Mi 25.2% 1.84Mi [334 Others]
12.2% 850Ki 11.4% 850Ki [section .rodata]
0.0% 0 6.6% 496Ki [section .bss]
4.0% 277Ki 3.7% 277Ki [section .rela.dyn]
3.7% 257Ki 3.5% 260Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/src/locale.cpp
2.8% 193Ki 2.6% 193Ki [section .eh_frame]
2.4% 165Ki 2.2% 165Ki [section .gcc_except_table]
1.5% 103Ki 1.4% 103Ki [section .data.rel.ro]
1.4% 99.4Ki 1.3% 99.4Ki [section .dynstr]
1.4% 97.0Ki 1.3% 97.0Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_fax3sm.c
1.1% 75.9Ki 1.0% 75.9Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/../../external/libcxxabi/src/cxa_demangle.cpp
1.0% 67.4Ki 0.9% 67.4Ki [section .dynsym]
0.8% 56.9Ki 0.8% 56.9Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfDwaCompressor.cpp
0.7% 51.1Ki 0.7% 51.2Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/src/ios.cpp
0.7% 46.9Ki 0.6% 47.0Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfHeader.cpp
0.7% 45.8Ki 0.6% 45.8Ki /Users/tom/QAPMain/Development/rzzsdxx_frontend/vision_utils/ios/Classes/basic_vision_utils.cpp
0.6% 44.8Ki 0.6% 44.8Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_qmfb.c
0.6% 40.0Ki 0.5% 40.0Ki [section .eh_frame_hdr]
0.5% 38.0Ki 0.5% 38.0Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/src/string.cpp
0.5% 37.5Ki 0.5% 37.5Ki /build/master_pack-android/opencv/3rdparty/libjasper/jas_icc.c
100.0% 6.79Mi 100.0% 7.32Mi TOTAL
Most are [section .text] and [334 Others]. Thus, I cannot do anything to make my .so file smaller :(
I would appreciate it if any advice could be provided. I am really new to this area. Thank you so much!
P.S. The source code is like, several simple c++ file using OpenCV library. So the "opencv" words in the output looks normal. But everything else seems strange :/
Judge from the below full output, I suspect that, only some opencv/3rdparty code has symbols attached, and any other thing does not? However, when I use objdump -syms ./build/vision_utils/intermediates/cmake/debug/obj/arm64-v8a/libvision_utils.so | grep calc_local_stats I do see output 00000000000bf720 g F .text 000004e0 _Z16calc_local_statsRN2cv3MatES1_S1_Phi (where calc_local_stats is a function in my cpp file). However, when grep for binarization.cpp (my source file name), I do find nothing. Maybe this indicate that the symbol exists but the filenames does not?
Here is the full output:
FILE SIZE VM SIZE
-------------- --------------
36.7% 2.49Mi 34.1% 2.49Mi [section .text]
12.2% 850Ki 11.4% 850Ki [section .rodata]
4.0% 277Ki 3.7% 277Ki [section .rela.dyn]
3.7% 257Ki 3.5% 260Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/src/locale.cpp
2.8% 193Ki 2.6% 193Ki [section .eh_frame]
2.4% 165Ki 2.2% 165Ki [section .gcc_except_table]
1.5% 103Ki 1.4% 103Ki [section .data.rel.ro]
1.4% 99.4Ki 1.3% 99.4Ki [section .dynstr]
1.4% 97.0Ki 1.3% 97.0Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_fax3sm.c
1.1% 75.9Ki 1.0% 75.9Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/../../external/libcxxabi/src/cxa_demangle.cpp
1.0% 67.4Ki 0.9% 67.4Ki [section .dynsym]
0.8% 56.9Ki 0.8% 56.9Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfDwaCompressor.cpp
0.7% 51.1Ki 0.7% 51.2Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/src/ios.cpp
0.7% 46.9Ki 0.6% 47.0Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfHeader.cpp
0.7% 45.8Ki 0.6% 45.8Ki /Users/tom/QAPMain/Development/rzzsdxx_frontend/vision_utils/ios/Classes/basic_vision_utils.cpp
0.6% 44.8Ki 0.6% 44.8Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_qmfb.c
0.6% 40.0Ki 0.5% 40.0Ki [section .eh_frame_hdr]
0.5% 38.0Ki 0.5% 38.0Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/src/string.cpp
0.5% 37.5Ki 0.5% 37.5Ki /build/master_pack-android/opencv/3rdparty/libjasper/jas_icc.c
0.5% 36.9Ki 0.5% 36.9Ki [section .gnu.hash]
0.5% 35.1Ki 0.5% 35.1Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jchuff.c
0.5% 33.8Ki 0.5% 33.8Ki [section .hash]
0.5% 32.7Ki 0.4% 32.7Ki [section .rela.plt]
0.5% 31.6Ki 0.4% 31.6Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_getimage.c
0.4% 31.0Ki 0.4% 31.0Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/upsampling_neon.c
0.4% 28.1Ki 0.4% 28.1Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfDeepTiledInputFile.cpp
0.4% 27.4Ki 0.4% 27.4Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_fax3.c
0.4% 26.4Ki 0.4% 26.4Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_dirread.c
0.4% 26.4Ki 0.4% 26.4Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfStandardAttributes.cpp
0.3% 24.2Ki 0.3% 24.2Ki /build/master_pack-android/opencv/3rdparty/libpng/png.c
0.3% 23.8Ki 0.3% 23.8Ki /Users/tom/QAPMain/Development/rzzsdxx_frontend/vision_utils/ios/Classes/cpp/binarization.cpp
0.3% 23.5Ki 0.3% 23.5Ki /build/master_pack-android/opencv/3rdparty/libpng/pngrutil.c
0.3% 23.1Ki 0.3% 23.1Ki /build/master_pack-android/build/o4a/3rdparty/tbb/oneTBB-2020.2/src/tbb/arena.cpp
0.3% 22.0Ki 0.3% 22.0Ki /build/master_pack-android/build/o4a/3rdparty/tbb/oneTBB-2020.2/src/tbb/scheduler.cpp
0.3% 21.8Ki 0.3% 21.8Ki [section .plt]
0.3% 21.7Ki 0.3% 21.7Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfDeepScanLineInputFile.cpp
0.3% 21.4Ki 0.3% 21.4Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_cs.c
0.3% 21.0Ki 0.3% 21.0Ki /build/master_pack-android/opencv/3rdparty/libpng/pngwutil.c
0.3% 20.9Ki 0.3% 20.9Ki /build/master_pack-android/opencv/3rdparty/libpng/pngrtran.c
0.3% 20.2Ki 0.3% 20.2Ki /build/master_pack-android/opencv/3rdparty/libpng/pngread.c
0.3% 18.9Ki 0.3% 18.9Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_dirinfo.c
0.3% 18.1Ki 0.2% 18.1Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_enc.c
0.3% 17.8Ki 0.2% 18.2Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_luv.c
0.3% 17.8Ki 0.2% 17.8Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfTiledInputFile.cpp
0.2% 17.1Ki 0.2% 17.1Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfOutputFile.cpp
0.2% 17.1Ki 0.3% 21.8Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/picture_csp_enc.c
0.2% 16.8Ki 0.2% 17.0Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/yuv.c
0.2% 16.6Ki 0.2% 16.6Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_dec.c
0.2% 16.3Ki 0.2% 16.3Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_dirwrite.c
0.2% 15.3Ki 0.2% 15.7Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/lossless_enc.c
0.2% 15.2Ki 0.2% 15.2Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfMultiPartInputFile.cpp
0.2% 15.1Ki 0.2% 15.1Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_t1enc.c
0.2% 15.1Ki 0.2% 15.1Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_dir.c
0.2% 14.9Ki 0.2% 14.9Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_jpeg.c
0.2% 14.9Ki 0.2% 14.9Ki [section .got]
0.2% 14.8Ki 0.2% 14.8Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfMisc.cpp
0.2% 14.4Ki 0.2% 14.4Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/quant_enc.c
0.2% 13.9Ki 0.2% 13.9Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jidctint.c
0.2% 13.9Ki 0.2% 13.9Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dec/vp8l_dec.c
0.2% 13.7Ki 0.2% 13.7Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/histogram_enc.c
0.2% 13.5Ki 0.2% 13.5Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/vp8l_enc.c
0.2% 13.2Ki 0.2% 13.2Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jdcolor.c
0.2% 13.2Ki 0.2% 13.2Ki /build/master_pack-android/opencv/3rdparty/libjasper/jp2_cod.c
0.2% 13.1Ki 0.2% 13.1Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfTileOffsets.cpp
0.2% 12.8Ki 0.2% 12.8Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfScanLineInputFile.cpp
0.2% 12.6Ki 0.2% 14.6Ki /Users/tom/QAPMain/Development/rzzsdxx_frontend/vision_utils/ios/Classes/cpp/palette_png.cpp
0.2% 12.6Ki 0.2% 12.6Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfCompositeDeepScanLine.cpp
0.2% 11.9Ki 0.2% 13.7Ki /build/master_pack-android/opencv/3rdparty/libjasper/jas_image.c
0.2% 11.5Ki 0.2% 11.5Ki /build/master_pack-android/opencv/3rdparty/libjasper/jas_cm.c
0.2% 11.3Ki 0.2% 11.3Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfInputFile.cpp
0.2% 11.3Ki 0.2% 11.3Ki /build/master_pack-android/opencv/3rdparty/libpng/pngwrite.c
0.2% 11.1Ki 0.1% 11.1Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/dec_neon.c
0.2% 10.9Ki 0.1% 10.9Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jcmarker.c
0.2% 10.6Ki 0.1% 10.6Ki /build/master_pack-android/build/o4a/3rdparty/tbb/oneTBB-2020.2/src/tbb/market.cpp
0.2% 10.5Ki 0.1% 10.5Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_t1dec.c
0.1% 10.2Ki 0.1% 10.3Ki /Volumes/Android/buildbot/src/android/gcc/toolchain/build/../gcc/gcc-4.9/libgcc/unwind-dw2.c
0.1% 9.96Ki 0.1% 9.96Ki /build/master_pack-android/opencv/3rdparty/libjasper/jas_stream.c
0.1% 9.84Ki 0.1% 9.84Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/picture_tools_enc.c
0.1% 9.74Ki 0.1% 9.74Ki /build/master_pack-android/opencv/3rdparty/libpng/pngset.c
0.1% 9.63Ki 0.1% 9.63Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jdmerge.c
0.1% 9.53Ki 0.1% 9.53Ki /build/master_pack-android/build/o4a/3rdparty/tbb/oneTBB-2020.2/src/tbb/task_group_context.cpp
0.1% 9.49Ki 0.1% 9.50Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dec/vp8_dec.c
0.1% 9.43Ki 0.1% 10.0Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/lossless.c
0.1% 9.02Ki 0.1% 9.02Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/predictor_enc.c
0.1% 8.91Ki 0.1% 8.91Ki /build/master_pack-android/opencv/3rdparty/openexr/Iex/IexThrowErrnoExc.cpp
0.1% 8.91Ki 0.1% 8.91Ki [section .gnu.version]
0.1% 8.82Ki 0.1% 8.82Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfHuf.cpp
0.1% 8.70Ki 0.1% 8.70Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/frame_enc.c
0.1% 8.62Ki 0.1% 8.62Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jdmarker.c
0.1% 8.31Ki 0.1% 8.31Ki [section .data]
0.1% 8.22Ki 0.1% 8.22Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jccolor.c
0.1% 7.97Ki 0.1% 7.97Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/../../external/libcxxabi/src/private_typeinfo.cpp
0.1% 7.91Ki 0.1% 7.91Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_predict.c
0.1% 7.77Ki 0.1% 7.77Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_read.c
0.1% 7.70Ki 0.1% 7.70Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfB44Compressor.cpp
0.1% 7.66Ki 0.1% 8.12Ki /Volumes/Android/buildbot/src/android/gcc/toolchain/build/../gcc/gcc-4.9/libgcc/unwind-dw2-fde-dip.c
0.1% 7.64Ki 0.1% 7.64Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jdhuff.c
0.1% 7.62Ki 0.1% 7.62Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dec/webp_dec.c
0.1% 7.61Ki 0.1% 7.61Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfChannelList.cpp
0.1% 7.52Ki 0.1% 7.52Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dec/tree_dec.c
0.1% 7.34Ki 0.1% 7.34Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_mqcod.c
0.1% 7.28Ki 0.1% 7.28Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jquant2.c
0.1% 7.25Ki 0.1% 7.26Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/src/future.cpp
0.1% 7.16Ki 0.1% 7.16Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/backward_references_enc.c
0.1% 7.09Ki 0.1% 8.04Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/enc.c
0.1% 7.02Ki 0.1% 7.03Ki /build/master_pack-android/build/o4a/3rdparty/tbb/oneTBB-2020.2/src/tbb/governor.cpp
0.1% 6.91Ki 0.1% 6.91Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jcarith.c
0.1% 6.83Ki 0.1% 6.83Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dec/frame_dec.c
0.1% 6.74Ki 0.1% 7.02Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/upsampling.c
0.1% 6.55Ki 0.1% 6.55Ki /build/master_pack-android/opencv/3rdparty/libpng/pngget.c
0.1% 6.55Ki 0.1% 6.55Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/backward_references_cost_enc.c
0.1% 6.47Ki 0.1% 6.47Ki /Users/tom/QAPMain/Development/rzzsdxx_frontend/vision_utils/ios/Classes/cpp/image_enhancement.cpp
0.1% 6.19Ki 0.1% 6.19Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfMatrixAttribute.cpp
0.1% 5.95Ki 0.1% 5.95Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dec/io_dec.c
0.1% 5.90Ki 0.1% 5.90Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jmemmgr.c
0.1% 5.82Ki 0.1% 5.82Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jcparam.c
0.1% 5.78Ki 0.1% 5.78Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_lzw.c
0.1% 5.64Ki 0.1% 5.64Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/iterator_enc.c
0.1% 5.58Ki 0.1% 5.58Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_mqenc.c
0.1% 5.52Ki 0.1% 5.52Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/picture_enc.c
0.1% 5.51Ki 0.1% 5.57Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/cost.c
0.1% 5.45Ki 0.1% 5.46Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/src/system_error.cpp
0.1% 5.44Ki 0.1% 5.44Ki /build/master_pack-android/opencv/3rdparty/libpng/pngerror.c
0.1% 5.30Ki 0.1% 5.30Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfStdIO.cpp
0.1% 5.27Ki 0.1% 5.27Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_t2cod.c
0.1% 5.25Ki 0.1% 5.27Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmThread/IlmThreadPool.cpp
0.1% 5.22Ki 0.1% 5.22Ki /build/master_pack-android/build/o4a/3rdparty/tbb/oneTBB-2020.2/src/tbb/tbb_main.cpp
0.1% 5.11Ki 0.1% 5.11Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_t2enc.c
0.1% 5.04Ki 0.1% 5.04Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jdapistd.c
0.1% 4.99Ki 0.1% 4.99Ki /Users/tom/QAPMain/Development/rzzsdxx_frontend/vision_utils/ios/Classes/cpp/utils.cpp
0.1% 4.98Ki 0.1% 4.98Ki /build/master_pack-android/build/o4a/3rdparty/tbb/oneTBB-2020.2/src/tbb/private_server.cpp
0.1% 4.91Ki 0.1% 4.91Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_write.c
0.1% 4.90Ki 0.1% 4.90Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfPizCompressor.cpp
0.1% 4.89Ki 0.1% 4.89Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jdcoefct.c
0.1% 4.87Ki 0.1% 4.87Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jdarith.c
0.1% 4.86Ki 0.1% 4.86Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/yuv_neon.c
0.1% 4.85Ki 0.1% 4.85Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/cost_enc.c
0.1% 4.83Ki 0.1% 4.83Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/token_enc.c
0.1% 4.78Ki 0.1% 4.78Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jerror.c
0.1% 4.74Ki 0.1% 4.74Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jcphuff.c
0.1% 4.66Ki 0.1% 4.66Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfDeepCompositing.cpp
0.1% 4.65Ki 0.1% 4.65Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfDeepFrameBuffer.cpp
0.1% 4.57Ki 0.1% 4.57Ki /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/src/iostream.cpp
0.1% 4.50Ki 0.1% 4.50Ki /build/master_pack-android/build/o4a/3rdparty/tbb/oneTBB-2020.2/src/tbb/tbb_misc.cpp
0.1% 4.45Ki 0.1% 4.45Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/enc/tree_enc.c
0.1% 4.44Ki 0.1% 4.44Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jquant1.c
0.1% 4.42Ki 0.1% 4.42Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfFrameBuffer.cpp
0.1% 4.39Ki 0.1% 4.39Ki /build/master_pack-android/build/o4a/3rdparty/tbb/oneTBB-2020.2/src/tbb/observer_proxy.cpp
0.1% 4.37Ki 0.1% 4.37Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/enc_neon.c
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0.0% 339 0.0% 339 /build/master_pack-android/build/o4a/3rdparty/tbb/oneTBB-2020.2/src/tbb/dynamic_link.cpp
0.0% 328 0.0% 328 /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfCompressionAttribute.cpp
0.0% 328 0.0% 328 /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfDeepImageStateAttribute.cpp
0.0% 328 0.0% 328 /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfEnvmapAttribute.cpp
0.0% 328 0.0% 328 /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfLineOrderAttribute.cpp
0.0% 320 0.0% 320 /build/master_pack-android/opencv/3rdparty/libpng/pngrio.c
0.0% 296 0.0% 296 /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/../../external/libcxxabi/src/abort_message.cpp
0.0% 284 0.0% 284 /build/master_pack-android/opencv/3rdparty/libjasper/jas_init.c
0.0% 260 0.0% 260 /build/master_pack-android/opencv/3rdparty/libwebp/src/utils/color_cache_utils.c
0.0% 256 0.0% 256 /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jcinit.c
0.0% 251 0.0% 0 [section .shstrtab]
0.0% 209 0.0% 209 /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/../../external/libcxxabi/src/cxa_virtual.cpp
0.0% 194 0.0% 194 /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/src/condition_variable_destructor.cpp
0.0% 192 0.0% 192 [section .init_array]
0.0% 172 0.0% 172 /Volumes/Android/buildbot/src/android/gcc/toolchain/build/../gcc/gcc-4.9/libgcc/soft-fp/floatditf.c
0.0% 166 0.0% 166 /Volumes/Android/buildbot/src/android/ndk-release-r21/external/libcxx/src/mutex_destructor.cpp
0.0% 152 0.0% 152 [section .note.android.ident]
0.0% 144 0.0% 144 /build/master_pack-android/opencv/3rdparty/libjasper/jpc_math.c
0.0% 140 0.0% 140 /Volumes/Android/buildbot/src/android/gcc/toolchain/build/../gcc/gcc-4.9/libgcc/config/aarch64/sfp-exceptions.c
0.0% 136 0.0% 136 /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfInputPartData.cpp
0.0% 136 0.0% 136 /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfThreading.cpp
0.0% 114 0.0% 114 /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/cpu.c
0.0% 112 0.0% 112 /build/master_pack-android/opencv/3rdparty/libjasper/jas_string.c
0.0% 96 0.0% 96 [section .gnu.version_r]
0.0% 48 0.0% 48 /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfSystemSpecific.cpp
0.0% 44 0.0% 44 /build/master_pack-android/opencv/3rdparty/libjasper/jas_version.c
0.0% 44 0.0% 44 /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfDoubleAttribute.cpp
0.0% 44 0.0% 44 /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfFloatAttribute.cpp
0.0% 44 0.0% 44 /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfIntAttribute.cpp
0.0% 36 0.0% 36 [section .note.gnu.build-id]
0.0% 16 0.0% 16 [section .fini_array]
0.0% 0 0.0% 16 [LOAD #1 [RW]]
0.0% 0 6.6% 496Ki [section .bss]
100.0% 6.79Mi 100.0% 7.32Mi TOTAL
Hi, thanks for your kind words. Please note that the -d compileunits source requires debug info, meaning you need to compile with -g -- just having symbols isn't enough. Every binary will have symbols unless it is stripped, but you have to compile with -g to get the info needed by -d compileunits.
On the other hand, -d symbols will work with just with symbols, so it might be a better place to start if you don't have full debug info available. The output size from -d symbols will probably be overwhelming, and too granular to be helpful, but you may be able to regex-filter this using custom data sources if your symbol names follow any useful pattern.
Good luck!
@haberman Thanks for the reply! I do use -g in my compile flags. It is Android NDK code, so here is part of my build.gradle. Note the cppFlags has both build-id and -g (and I have also tried to add-O0 but no use).
android {
defaultConfig {
externalNativeBuild {
cmake {
cppFlags "-frtti -fexceptions -std=c++11 -Wl,--build-id -g -O0"
abiFilters 'armeabi-v7a', 'arm64-v8a'
arguments '-DANDROID_STL=c++_static'
}
}
packagingOptions { doNotStrip '**.so' }
}
externalNativeBuild {
cmake {
path "CMakeLists.txt"
}
}
}
`arguments '-DANDROID_STL=c++_static'`
I would not be surprised if most of the size originated from this line. Try using c++_shared instead and see if it has the effect.
@mraleph Thank you very much for the reply! From the official doc,
The shared library for libc++ is libc++_shared.so, and the static library is libc++_static.a.
Note: libc++ is not a system library. If you use libc++_shared.so, it must be included in your APK. If you're building your application with Gradle this is handled automatically.
I only use c++ in this one .so file, so IMHO using a dynamic library will be bigger since the unused parts in the dynamic lib cannot be deleted. Moreover, my c++ code uses just very simple STL things. I only use vector, string, etc.
Please correct me if I am wrong. Thank you very much!
@fzyzcjy my suggestion was more about debugging the code size issue. if you switch to shared library and you see the size drop (and unattributed portion disappear) then you know where it came from.
I'm going to close this for now, please re-open if you have more problems.
@mraleph Hi I make an experiment using the c++_shared:
...
arguments '-DANDROID_STL=c++_shared'
...
result:
bloaty ./build/temp-libvision_utils.so --debug-file=./build/vision_utils/intermediates/stripped_native_libs/debug/out/lib/arm64-v8a/libvision_utils.so -d compileunits
FILE SIZE VM SIZE
-------------- --------------
40.5% 2.47Mi 37.4% 2.47Mi [section .text]
26.4% 1.61Mi 24.4% 1.61Mi [303 Others]
13.4% 833Ki 12.3% 833Ki [section .rodata]
0.0% 0 7.3% 492Ki [section .bss]
3.4% 213Ki 3.2% 213Ki [section .rela.dyn]
3.0% 188Ki 2.8% 188Ki [section .eh_frame]
2.3% 146Ki 2.2% 146Ki [section .gcc_except_table]
1.6% 97.0Ki 1.4% 97.0Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_fax3sm.c
1.3% 80.1Ki 1.2% 80.1Ki [section .data.rel.ro]
1.2% 74.7Ki 1.1% 74.7Ki [section .dynstr]
0.9% 56.9Ki 0.8% 56.9Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfDwaCompressor.cpp
0.9% 54.1Ki 0.8% 54.1Ki /Users/tom/QAPMain/Development/rzzsdxx_frontend/vision_utils/ios/Classes/basic_vision_utils.cpp
0.8% 51.0Ki 0.8% 51.0Ki [section .dynsym]
0.8% 46.9Ki 0.7% 47.0Ki /build/master_pack-android/opencv/3rdparty/openexr/IlmImf/ImfHeader.cpp
0.7% 44.8Ki 0.7% 44.8Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_qmfb.c
0.6% 38.9Ki 0.6% 38.9Ki [section .eh_frame_hdr]
0.6% 37.5Ki 0.6% 37.5Ki /build/master_pack-android/opencv/3rdparty/libjasper/jas_icc.c
0.6% 35.1Ki 0.5% 35.1Ki /build/master_pack-android/opencv/3rdparty/libjpeg-turbo/src/jchuff.c
0.5% 31.6Ki 0.5% 31.6Ki /build/master_pack-android/opencv/3rdparty/libtiff/tif_getimage.c
0.5% 31.0Ki 0.5% 31.0Ki /build/master_pack-android/opencv/3rdparty/libwebp/src/dsp/upsampling_neon.c
0.1% 3.27Ki 0.4% 29.6Ki /build/master_pack-android/opencv/3rdparty/libjasper/jpc_t1cod.c
100.0% 6.09Mi 100.0% 6.60Mi TOTAL
Therefore, it seems that c++_static vs c++_shared does not make very much difference, if I understand correctly.
More info on the apk file (I build in debug mode; but the thing should be similar imho) are as follows. So the c++_shared argument does work.
Therefore, I wonder what I should try next? Thank you very much!
P.S. The binary has changed since half a year has passed; but it does not change very much.