# To display the perf.data header info, please use --header/--header-only options. # # # Total Lost Samples: 0 # # Samples: 1K of event 'task-clock:ppp' # Event count (approx.): 165800000 # # Overhead Samples Command Shared Object Symbol # ........ ............ ....... .................... ............................................................................................................................................................................................................................. # 35.34% 586 osh oils-for-unix [.] MarkSweepHeap::MaybeMarkAndPush(RawObject*) 11.76% 195 osh oils-for-unix [.] MarkSweepHeap::TraceChildren() 5.97% 99 osh oils-for-unix [.] MarkSweepHeap::Sweep() 4.76% 79 osh oils-for-unix [.] MarkSweepHeap::Allocate(unsigned long, int*, int*) 3.50% 58 osh oils-for-unix [.] match::OneToken(types_asdl::lex_mode_e, BigStr*, int) 1.81% 30 osh [kernel.kallsyms] [k] 0xffffffffa60b5b52 1.81% 30 osh [kernel.kallsyms] [k] 0xffffffffa7066297 1.51% 25 osh oils-for-unix [.] cmd_parse::CommandParser::_GetWord() 1.39% 23 osh [kernel.kallsyms] [k] 0xffffffffa70ea979 0.97% 16 osh oils-for-unix [.] List::reserve(int) [clone .part.0] 0.90% 15 osh oils-for-unix [.] alloc::Arena::NewToken(int, int, int, syntax_asdl::SourceLine*) 0.90% 15 osh oils-for-unix [.] word_parse::WordParser::_ReadWord(types_asdl::lex_mode_e) 0.84% 14 osh oils-for-unix [.] word_parse::WordParser::_GetToken() 0.78% 13 osh oils-for-unix [.] lexer::LineLexer::Read(types_asdl::lex_mode_e) 0.78% 13 osh oils-for-unix [.] word_parse::WordParser::_MaybeReadWordPart(bool, types_asdl::lex_mode_e, List*) 0.72% 12 osh libc.so.6 [.] malloc 0.72% 12 osh oils-for-unix [.] word_parse::WordParser::_ReadCompoundOrRedir3(types_asdl::lex_mode_e, int, bool) 0.66% 11 osh libc.so.6 [.] __getdelim 0.60% 10 osh oils-for-unix [.] List::at(int) 0.60% 10 osh oils-for-unix [.] lexer::Lexer::_Read(types_asdl::lex_mode_e) 0.54% 9 osh oils-for-unix [.] cmd_parse::CommandParser::_ScanSimpleCommand() 0.54% 9 osh oils-for-unix [.] word_::CommandId(syntax_asdl::word_t*) 0.54% 9 osh oils-for-unix [.] word_parse::WordParser::_ReadLikeDQ(syntax_asdl::Token*, bool, List*) 0.48% 8 osh oils-for-unix [.] consts::GetKind(unsigned short) 0.42% 7 osh oils-for-unix [.] word_parse::WordParser::ReadWord(types_asdl::lex_mode_e) 0.36% 6 osh [kernel.kallsyms] [k] 0xffffffffa6469e7f 0.36% 6 osh oils-for-unix [.] List::reserve(int) [clone .part.0] 0.36% 6 osh oils-for-unix [.] cmd_parse::CommandParser::ParseCommand() 0.30% 5 osh oils-for-unix [.] alloc::Arena::AddLine(BigStr*, int) 0.30% 5 osh oils-for-unix [.] cmd_parse::CommandParser::ParseSimpleCommand() 0.30% 5 osh oils-for-unix [.] executor::PureExecutor::PopProcessSub(runtime_asdl::StatusArray*) 0.30% 5 osh oils-for-unix [.] lexer::Lexer::Read(types_asdl::lex_mode_e) 0.24% 4 osh libc.so.6 [.] 0x00000000000a48b0 0.24% 4 osh oils-for-unix [.] List::at(int) 0.24% 4 osh oils-for-unix [.] List* Alloc>() 0.24% 4 osh oils-for-unix [.] List::reserve(int) [clone .part.0] 0.24% 4 osh oils-for-unix [.] List::at(int) 0.24% 4 osh oils-for-unix [.] cmd_parse::CommandParser::_AtSecondaryKeyword() 0.24% 4 osh oils-for-unix [.] cmd_parse::CommandParser::_ParseCommandTerm() 0.24% 4 osh oils-for-unix [.] cmd_parse::_SplitSimpleCommandPrefix(List*) 0.18% 3 osh [kernel.kallsyms] [k] 0xffffffffa63c9bed 0.18% 3 osh [kernel.kallsyms] [k] 0xffffffffa676322a 0.18% 3 osh [kernel.kallsyms] [k] 0xffffffffa67afaf8 0.18% 3 osh oils-for-unix [.] List* Alloc>() 0.18% 3 osh oils-for-unix [.] cmd_parse::CommandParser::ParseIf() 0.18% 3 osh oils-for-unix [.] cmd_parse::_MakeSimpleCommand(List*, List*, syntax_asdl::ArgList*, value_asdl::LiteralBlock*, List*) 0.18% 3 osh oils-for-unix [.] location::LeftTokenForWordPart(syntax_asdl::word_part_t*) 0.18% 3 osh oils-for-unix [.] reader::_Reader::GetLine() 0.18% 3 osh oils-for-unix [.] word_::TildeDetectAll(List*) 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa60b5ba4 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa63c58f7 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa63c9ae8 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa63ca02e 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa63d0aea 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa63d1dfe 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa63e635b 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa63e645f 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa63f9e31 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa6433997 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa6763224 0.12% 2 osh [kernel.kallsyms] [k] 0xffffffffa7304104 0.12% 2 osh libc.so.6 [.] cfree 0.12% 2 osh libc.so.6 [.] read 0.12% 2 osh oils-for-unix [.] BigStr::endswith(BigStr*) 0.12% 2 osh oils-for-unix [.] BigStr::internal_find(BigStr*, int, int, int) 0.12% 2 osh oils-for-unix [.] BigStr::join(List*) 0.12% 2 osh oils-for-unix [.] BigStr::slice(int, int) 0.12% 2 osh oils-for-unix [.] List* Alloc>() 0.12% 2 osh oils-for-unix [.] List::reserve(int) [clone .part.0] 0.12% 2 osh oils-for-unix [.] List* Alloc>() 0.12% 2 osh oils-for-unix [.] List* Alloc>() 0.12% 2 osh oils-for-unix [.] List* Alloc>() 0.12% 2 osh oils-for-unix [.] List::pop() 0.12% 2 osh oils-for-unix [.] List* Alloc>() 0.12% 2 osh oils-for-unix [.] List::reserve(int) [clone .part.0] 0.12% 2 osh oils-for-unix [.] StripAny(BigStr*, StripWhere, int) 0.12% 2 osh oils-for-unix [.] Tuple2* Alloc, syntax_asdl::SourceLine*&, int&>(syntax_asdl::SourceLine*&, int&) 0.12% 2 osh oils-for-unix [.] cmd_parse::CommandParser::ParsePipeline() 0.12% 2 osh oils-for-unix [.] cmd_parse::CommandParser::_ParseAndOr() 0.12% 2 osh oils-for-unix [.] cmd_parse::_MakeLiteralHereLines(List*>*, alloc::Arena*, bool) 0.12% 2 osh oils-for-unix [.] mylib::CFile::readline() 0.12% 2 osh oils-for-unix [.] syntax_asdl::CompoundWord* Alloc*>(List*&&) 0.12% 2 osh oils-for-unix [.] word_::TildeDetect2(syntax_asdl::CompoundWord*) 0.12% 2 osh oils-for-unix [.] word_::_EvalWordPart(syntax_asdl::word_part_t*) 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa60b5983 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa60b59ae 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa60b8e46 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa60b8e54 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa60ba15a 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa60eccad 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa636e14c 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa636e1b0 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa636e79a 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa637f557 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa637fb25 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6380a6f 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63a4867 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63c58c5 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63c9afa 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63cc2d2 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63cd5af 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d066a 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d0983 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d09dd 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d0b53 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d0bdb 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d0c05 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d0dea 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d0e43 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d1c2d 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d1db5 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d1dc9 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d1ead 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d200e 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d2662 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d2693 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63d26af 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63dbdaa 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63dbe9d 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63dc623 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63de94a 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63e6290 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63e62b2 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63e644b 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63e6504 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63e6529 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63e900b 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63e901c 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63e90d2 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63f6030 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63f6112 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63f6146 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63f7bd1 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63f8581 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63f8650 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63f8655 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63f95d0 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63faf3c 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63faff4 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63fb9c2 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63fbb5a 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63fd137 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63fd1e6 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa63fd30d 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa640be98 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6430ad4 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6433d2d 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa64646f7 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6464701 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6465d66 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6465e36 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6466f49 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6466faa 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6466fb2 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6466fc0 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6467310 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6467ce0 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6468db4 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6468dc6 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6468e07 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6469e00 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6469e06 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6469e95 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa646b689 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa646b69a 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa64b1925 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa64b3c35 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa64b7173 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6663125 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6666c6e 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa66687ef 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa6763211 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa676321c 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa686dd9e 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa686ddcd 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa7041a30 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa70444f0 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa704626b 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa7046522 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa70484d5 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa705057d 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa70668a7 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa70d6fc9 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa70eafe0 0.06% 1 osh [kernel.kallsyms] [k] 0xffffffffa730410b 0.06% 1 osh ld-linux-x86-64.so.2 [.] 0x0000000000009655 0.06% 1 osh ld-linux-x86-64.so.2 [.] 0x000000000000b4a5 0.06% 1 osh ld-linux-x86-64.so.2 [.] 0x000000000000b791 0.06% 1 osh ld-linux-x86-64.so.2 [.] 0x000000000000c12d 0.06% 1 osh ld-linux-x86-64.so.2 [.] 0x000000000000c211 0.06% 1 osh ld-linux-x86-64.so.2 [.] 0x0000000000011429 0.06% 1 osh ld-linux-x86-64.so.2 [.] 0x0000000000018408 0.06% 1 osh libc.so.6 [.] __errno_location 0.06% 1 osh libc.so.6 [.] __strxfrm_l 0.06% 1 osh libc.so.6 [.] 0x00000000000a26a0 0.06% 1 osh libc.so.6 [.] 0x00000000000a2702 0.06% 1 osh libc.so.6 [.] 0x00000000000a2709 0.06% 1 osh libc.so.6 [.] 0x00000000000a270c 0.06% 1 osh libc.so.6 [.] 0x00000000000a2735 0.06% 1 osh libc.so.6 [.] 0x00000000000a273f 0.06% 1 osh libc.so.6 [.] 0x00000000000a27e8 0.06% 1 osh libc.so.6 [.] 0x00000000000a2801 0.06% 1 osh libc.so.6 [.] 0x00000000000a285b 0.06% 1 osh libc.so.6 [.] 0x00000000000a2a1d 0.06% 1 osh libc.so.6 [.] 0x00000000000a39b3 0.06% 1 osh libc.so.6 [.] 0x00000000000a3b16 0.06% 1 osh libc.so.6 [.] 0x00000000000a3d77 0.06% 1 osh libc.so.6 [.] 0x00000000000a3e43 0.06% 1 osh libc.so.6 [.] 0x00000000000a3e62 0.06% 1 osh libc.so.6 [.] 0x00000000000a4088 0.06% 1 osh libc.so.6 [.] 0x00000000000a4257 0.06% 1 osh libc.so.6 [.] 0x00000000000a4265 0.06% 1 osh libc.so.6 [.] 0x00000000000a447a 0.06% 1 osh libc.so.6 [.] 0x00000000000a4499 0.06% 1 osh libc.so.6 [.] 0x00000000000a449d 0.06% 1 osh libc.so.6 [.] 0x00000000000a48b4 0.06% 1 osh libc.so.6 [.] 0x000000000019937a 0.06% 1 osh libc.so.6 [.] 0x0000000000199e62 0.06% 1 osh libc.so.6 [.] 0x0000000000199e65 0.06% 1 osh libc.so.6 [.] 0x000000000019a254 0.06% 1 osh libc.so.6 [.] 0x00000000001a0844 0.06% 1 osh libc.so.6 [.] 0x00000000001a084b 0.06% 1 osh libc.so.6 [.] 0x00000000001a0861 0.06% 1 osh libc.so.6 [.] 0x00000000001a08ac 0.06% 1 osh libc.so.6 [.] 0x00000000001a0907 0.06% 1 osh libc.so.6 [.] 0x00000000001a0b4a 0.06% 1 osh libc.so.6 [.] 0x00000000001a102a 0.06% 1 osh libc.so.6 [.] 0x00000000001a10f7 0.06% 1 osh libc.so.6 [.] 0x00000000001a1113 0.06% 1 osh libgcc_s.so.1 [.] __cpu_indicator_init 0.06% 1 osh libstdc++.so.6.0.30 [.] std::__cxx11::numpunct::_M_initialize_numpunct(__locale_struct*) 0.06% 1 osh oils-for-unix [.] BigStr::hash(unsigned int (*)(char const*, int)) 0.06% 1 osh oils-for-unix [.] Dict::set(int, int) 0.06% 1 osh oils-for-unix [.] List::at(int) 0.06% 1 osh oils-for-unix [.] List*>* Alloc*>>() 0.06% 1 osh oils-for-unix [.] List* NewList(std::initializer_list) 0.06% 1 osh oils-for-unix [.] List::reserve(int) [clone .part.0] 0.06% 1 osh oils-for-unix [.] List* Alloc>() 0.06% 1 osh oils-for-unix [.] __errno_location@plt 0.06% 1 osh oils-for-unix [.] braces::BraceDetect(syntax_asdl::CompoundWord*) 0.06% 1 osh oils-for-unix [.] braces::BraceDetectAll(List*) 0.06% 1 osh oils-for-unix [.] cmd_parse::CommandParser::ParseAndOr() 0.06% 1 osh oils-for-unix [.] cmd_parse::CommandParser::ParseCompoundCommand() 0.06% 1 osh oils-for-unix [.] cmd_parse::CommandParser::ParseRedirect() 0.06% 1 osh oils-for-unix [.] cmd_parse::CommandParser::_ParseCommandLine() 0.06% 1 osh oils-for-unix [.] cmd_parse::CommandParser::_ParseConditionList() 0.06% 1 osh oils-for-unix [.] cmd_parse::_AppendMoreEnv(List*, List*) 0.06% 1 osh oils-for-unix [.] cmd_parse::_MakeAssignPair(parse_lib::ParseContext*, syntax_asdl::ParsedAssignment*, alloc::Arena*) 0.06% 1 osh oils-for-unix [.] cmd_parse::_ReadHereLines(reader::_Reader*, syntax_asdl::Redir*, BigStr*) 0.06% 1 osh oils-for-unix [.] main_loop::ParseWholeFile(cmd_parse::CommandParser*) 0.06% 1 osh oils-for-unix [.] match::IsValidVarName(BigStr*) 0.06% 1 osh oils-for-unix [.] parse_lib::ParseContext::MakeLexer(reader::_Reader*) 0.06% 1 osh oils-for-unix [.] pyos::Environ() 0.06% 1 osh oils-for-unix [.] reader::FileLineReader::_GetLine() 0.06% 1 osh oils-for-unix [.] syntax_asdl::DoubleQuoted* Alloc*&, syntax_asdl::Token*&>(syntax_asdl::Token*&, List*&, syntax_asdl::Token*&) 0.06% 1 osh oils-for-unix [.] syntax_asdl::List_of_command* Alloc*&>(List*&) 0.06% 1 osh oils-for-unix [.] syntax_asdl::SimpleVarSub* Alloc(syntax_asdl::Token*&) 0.06% 1 osh oils-for-unix [.] word_::DetectShAssignment(syntax_asdl::CompoundWord*) 0.06% 1 osh oils-for-unix [.] word_::StaticEval(syntax_asdl::word_t*) [clone .part.0] 0.06% 1 osh oils-for-unix [.] word_parse::WordParser* Alloc(parse_lib::ParseContext*&&, lexer::Lexer*&, reader::_Reader*&) 0.06% 1 osh oils-for-unix [.] word_parse::WordParser::LookAheadFuncParens() 0.06% 1 osh oils-for-unix [.] word_parse::WordParser::WordParser(parse_lib::ParseContext*, lexer::Lexer*, reader::_Reader*) 0.06% 1 osh oils-for-unix [.] word_parse::WordParser::_ParseVarExpr(types_asdl::lex_mode_e, bool) 0.06% 1 osh oils-for-unix [.] word_parse::WordParser::_ReadCommandSub(int, bool) 0.06% 1 osh oils-for-unix [.] word_parse::WordParser::_ReadDoubleQuoted(syntax_asdl::Token*) 0.06% 1 osh oils-for-unix [.] word_parse::WordParser::_ReadUnquotedLeftParts(syntax_asdl::BoolParamBox*) 0.06% 1 osh oils-for-unix [.] word_parse::WordParser::_ReadVarOpArg(types_asdl::lex_mode_e) # # (Cannot load tips.txt file, please install perf!) #