******************************************************************************** Entering interactive Python shell. Quick reference: SizeInfo: metadata, native_symbols, pak_symbols, raw_symbols, section_sizes, size_path, symbols Symbol: FlagsString, IsBss, IsDelta, IsDex, IsGeneratedByToolchain, IsGroup, IsNative, IsOther, IsOverhead, IsPak, IsStringLiteral, IterLeafSymbols, address, aliases, end_address, flags, full_name, generated_source, is_anonymous, name, num_aliases, object_path, padding, padding_pss, pss, pss_without_padding, section, section_name, size, size_without_padding, source_path, template_name SymbolGroup (extends Symbol): CountUniqueSymbols, Filter, GroupedBy, GroupedByAliases, GroupedByFullName, GroupedByName, GroupedByPath, GroupedBySectionName, Inverted, IterUniqueSymbols, SetName, Sorted, SortedByAddress, SortedByCount, SortedByName, WhereAddressInRange, WhereFullNameMatches, WhereGeneratedByToolchain, WhereHasAnyAttribution, WhereHasPath, WhereInSection, WhereIsDex, WhereIsGroup, WhereIsNative, WhereIsPak, WhereIsTemplate, WhereMatches, WhereNameMatches, WhereObjectPathMatches, WherePathMatches, WherePssBiggerThan, WhereSizeBiggerThan, WhereSourceIsGenerated, WhereSourcePathMatches, WhereTemplateNameMatches, index, is_sorted DeltaSizeInfo: after, before, native_symbols, pak_symbols, raw_symbols, section_sizes, symbols DeltaSymbol (extends Symbol): after_symbol, before_symbol, diff_status DeltaSymbolGroup (extends SymbolGroup): CountsByDiffStatus, WhereDiffStatusIs, diff_status canned_queries: CategorizeByChromeComponent, CategorizeGenerated, LargeFiles, PakByPath, StaticInitializers, TemplatesByName Functions: Csv(), Diff(), Disassemble(), ExpandRegex(), Print(), ReadStringLiterals(), ShowExamples() Variables: printed: List of objects passed to Print(). size_info: Loaded from {redacted} ******************************************************************************** # Show pydoc for main types: import models help(models) # Show all attributes of all symbols & per-section totals: Print(size_info, verbose=True) # Dump section info and all symbols in CSV format: Csv(size_info) # Print sorted list of all string literals: Print(sorted(x[1] for x in ReadStringLiterals())) # Show two levels of .text, grouped by first two subdirectories text_syms = size_info.symbols.WhereInSection("t") by_path = text_syms.GroupedByPath(depth=2) Print(by_path.WherePssBiggerThan(1024)) # Show all generated symbols, then show only non-vtable ones Print(size_info.symbols.WhereGeneratedByToolchain()) Print(printed[-1].WhereNameMatches(r"vtable").Inverted().Sorted()) # Show all symbols that have "print" in their name or path, except # those within components/. # Note: Could have also used Inverted(), as above. # Note: Use "help(ExpandRegex)" for more about what {{_print_}} does. print_syms = size_info.symbols.WhereMatches(r"{{_print_}}") Print(print_syms - print_syms.WherePathMatches(r"^components/")) # Diff two .size files and save result to a file: Print(Diff(size_info1, size_info2), to_file="output.txt") # View per-component breakdowns, then drill into the last entry. c = canned_queries.CategorizeByChromeComponent() Print(c) Print(c[-1].GroupedByPath(depth=2).Sorted()) # For even more inspiration, look at canned_queries.py # (and feel free to add your own!). 0: (.rodata@266e600(size_without_padding=5,padding=0,full_name=string literal,object_path=base/base/page_allocator.o,source_path=base/page_allocator.cc,flags={},num_aliases=2), 'Str1\x00') 1: (.rodata@266e605(size_without_padding=16,padding=0,full_name=string literal,object_path=third_party/icu/icuuc/ucnv_ext.o,source_path=third_party/icu/ucnv_ext.c,flags={gen},num_aliases=1), 'String literal2\x00') Metadata: elf_arch=arm elf_build_id=WhatAnAmazingBuildId elf_file_name=elf elf_mtime={redacted} git_revision=abc123 gn_args=var1=true var2="foo" map_file_name=../test.map tool_prefix=tools/binary_size/libsupersize/testdata/mock_toolchain/ Section Sizes (Total=128.0mb (134218045 bytes)): .ARM.exidx: 1.47mb (1536456 bytes) (1.1%) .bss: 1.24mb (1300456 bytes) (not included in totals) .data: 99.4kb (101768 bytes) (0.1%) .data.rel.ro: 1.02mb (1065224 bytes) (0.8%) .other: 32.4mb (33984171 bytes) (25.3%) .rel.dyn: 2.53mb (2655384 bytes) (2.0%) .rodata: 5.65mb (5927652 bytes) (4.4%) .strtab: 33.2mb (34841854 bytes) (26.0%) .symtab: 16.4mb (17166112 bytes) (12.8%) .text: 34.2mb (35900712 bytes) (26.7%) Showing 50 symbols (45 unique) with total pss: 77769551 bytes Histogram of symbols based on PSS: [2,4): 6 [16,32): 10 [128,256): 2 [131072,262144): 2 [1048576,2097152): 2 [4,8): 6 [32,64): 9 [256,512): 1 [262144,524288): 1 [2097152,4194304): 1 [8,16): 3 [64,128): 1 [65536,131072): 2 [524288,1048576): 2 [33554432,67108864): 2 .text=34.2mb .rodata=5.65mb .data.rel.ro=1.02mb .data=99.4kb .bss=512kb .other=32.4mb total=74.2mb Number of unique paths: 9 Section Legend: t=.text, r=.rodata, R=.data.rel.ro, d=.data, b=.bss, o=.other Index | Running Total | Section@Address | PSS | Path ------------------------------------------------------------ 0) 4 (0.0%) d@0x2de7000 4 base/page_allocator.cc google::protobuf::internal::pLinuxKernelCmpxchg 1) 8 (0.0%) d@0x2de7004 4 third_party/container.c google::protobuf::internal::pLinuxKernelMemoryBarrier 2) 160 (0.0%) d@0x2de7008 152 third_party/container.c base::android::kBaseRegisteredMethods 3) 164 (0.0%) d@0x2de70a0 4 third_party/container.c base::android::g_renderer_histogram_code 4) 168 (0.0%) d@0x2de70a4 4 third_party/container.c base::android::g_library_version_number 5) 101768 (0.1%) d@0x2dffd88 101600 {no path} ** symbol gap 0 (end of section) 6) 101824 (0.1%) R@0x2cd8500 56 third_party/paint.cc ChromeMainDelegateAndroid [vtable] 7) 101848 (0.1%) R@0x2cd8538 24 base/page_allocator.cc mojo::MessageReceiver [vtable] 8) 101860 (0.1%) R@0x2cd8550 12 base/page_allocator.cc kMethodsAnimationFrameTimeHistogram 9) 1166992 (1.5%) R@0x2ddc608 1065132 {no path} ** symbol gap 0 (end of section) 10) 1167048 (1.5%) R@0x2c176f0 56 $root_gen_dir/third_party/icu/ucnv_ext.c ChromeMainDelegate [vtable] 11) 1167072 (1.5%) R@0x2c17728 24 $root_gen_dir/third_party/icu/ucnv_ext.c chrome::mojom::FieldTrialRecorder [vtable] 12) 1956976 (2.5%) R@0x2c17740 789904 third_party/container.c chrome::mojom::FieldTrialRecorderProxy [vtable] 13) 1957008 (2.5%) R@0x2cd84e0 32 third_party/gvr-android-sdk/libgvr_shim_static_arm.a/libcontroller_api_impl.a_controller_api_impl.o .Lswitch.table.45 14) 1957016 (2.5%) R@0x2cd84f0 8 third_party/gvr-android-sdk/libgvr_shim_static_arm.a/libport_android_jni.a_jni_utils.o kSystemClassPrefixes 15) 35941187 (46.2%) o@0x0 33984171 {no path} Overhead: ELF file 16) 35941189 (46.2%) r@0x266e600 2.5 (size=5) base/page_allocator.cc string literal (num_aliases=2) 17) 35941192 (46.2%) r@0x266e600 2.5 (size=5) $root_gen_dir/third_party/icu/ucnv_ext.c string literal (num_aliases=2) 18) 35941208 (46.2%) r@0x266e605 16 $root_gen_dir/third_party/icu/ucnv_ext.c string literal 19) 35941251 (46.2%) r@0x266e630 43 {no path} ** merge strings 20) 37906596 (48.7%) r@0x284d600 1965345 {no path} ** merge constants 21) 41192711 (53.0%) r@Group 3286115 {no path} ** symbol gaps (count=2) 22) 41192719 (53.0%) r@0x284e364 8 base/page_allocator.cc 23) 41192763 (53.0%) r@0x284e370 44 base/page_allocator.cc Name 24) 41192795 (53.0%) r@0x284e398 32 third_party/container.c chrome::mojom::FilePatcher::Name_ 25) 41868835 (53.8%) r@0x28f3450 676040 third_party/paint.cc kAnimationFrameTimeHistogramClassPath 26) 41868839 (53.8%) r@0x28f3480 4 third_party/paint.cc blink::CSSValueKeywordsHash::findValueImpl::value_word_list 27) 41868855 (53.8%) t@0x28d900 16 base/page_allocator.cc _GLOBAL__sub_I_page_allocator.cc 28) 41868911 (53.8%) t@0x28d910 56 base/page_allocator.cc _GLOBAL__sub_I_bbr_sender.cc 29) 41868939 (53.8%) t@0x28d948 28 base/page_allocator.cc _GLOBAL__sub_I_pacing_sender.cc 30) 41868977 (53.8%) t@0x28d964 38 base/page_allocator.cc extFromUUseMapping 31) 41869009 (53.8%) t@0x28d98a 32 base/page_allocator.cc extFromUUseMapping 32) 77699769 (99.9%) t@Group 35830760 {no path} ** symbol gaps (count=3) 33) 77700217 (99.9%) t@0x28f000 448 $root_gen_dir/third_party/icu/ucnv_ext.c ucnv_extMatchFromU 34) 77700245 (99.9%) t@0x28f1c8 28 $root_gen_dir/third_party/icu/ucnv_ext.c _GLOBAL__sub_I_SkDeviceProfile.cpp 35) 77769369 (100.0%) t@0x28f1e0 69124 $root_gen_dir/third_party/icu/ucnv_ext.c foo_bar 36) 77769393 (100.0%) t@0x2a0000 24 (size=48) $root_gen_dir/third_party/icu/ucnv_ext.c BazAlias (num_aliases=2) 37) 77769417 (100.0%) t@0x2a0000 24 (size=48) {no path} blink::ContiguousContainerBase::shrinkToFit (num_aliases=2) 38) 77769420 (100.0%) t@0x2a0010 3 (size=12) third_party/fft_float.cc BarAlias (num_aliases=4) 39) 77769423 (100.0%) t@0x2a0010 3 (size=12) third_party/fft_float.cc FooAlias (num_aliases=4) 40) 77769426 (100.0%) t@0x2a0010 3 (size=12) $root_gen_dir/third_party/icu/ucnv_ext.c blink::ContiguousContainerBase::shrinkToFit (num_aliases=4) 41) 77769429 (100.0%) t@0x2a0010 3 (size=12) third_party/paint.cc blink::ContiguousContainerBase::shrinkToFit (num_aliases=4) 42) 77769457 (100.0%) t@0x2a0020 28 third_party/container.c blink::ContiguousContainerBase::ContiguousContainerBase 43) 77769551 (100.0%) t@0x2a1000 94 third_party/container.c blink::PaintChunker::releasePaintChunks 44) 77769551 (100.0%) b@0x0 262144 third_party/fft_float.cc ff_cos_131072 45) 77769551 (100.0%) b@0x0 131072 third_party/fft_fixed.cc ff_cos_131072_fixed 46) 77769551 (100.0%) b@0x0 131072 third_party/fft_float.cc ff_cos_65536 47) 77769551 (100.0%) b@0x2dffda0 28 $root_gen_dir/third_party/icu/ucnv_ext.c g_chrome_content_browser_client 48) 77769551 (100.0%) b@0x2dffe80 200 $root_gen_dir/third_party/icu/ucnv_ext.c SaveHistogram::atomic_histogram_pointer 49) 77769551 (100.0%) b@0x2dffe84 4 $root_gen_dir/third_party/icu/ucnv_ext.c g_AnimationFrameTimeHistogram_clazz