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ashgti/Serial

Created January 14, 2012 06:15
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Raw
screen
screen /dev/tty.usbserial-A900ahQr 115200
99.677% in __select
00.108% in read()
rest is mallocs, etc.
Raw
screen sample
Sampling process 4005 for 3 seconds with 1 millisecond of run time between samples
Sampling completed, processing symbols...
Analysis of sampling screen (pid 4005) every 1 millisecond
Process: screen [4005]
Path: /usr/bin/screen
Load Address: 0x105234000
Identifier: screen
Version: ??? (???)
Code Type: X86-64 (Native)
Parent Process: screen [4004]
Date/Time: 2012-01-14 00:13:12.453 -0600
OS Version: Mac OS X 10.7.2 (11C74)
Report Version: 7
Call graph:
2787 Thread_281622 DispatchQueue_1: com.apple.main-thread (serial)
2787 ??? (in screen) load address 0x105234000 + 0x15c4 [0x1052355c4]
2787 ??? (in screen) load address 0x105234000 + 0x305e6 [0x1052645e6]
2778 ??? (in screen) load address 0x105234000 + 0x2bd14 [0x10525fd14]
+ 2778 __select (in libsystem_kernel.dylib) + 10 [0x1055c0df2]
7 ??? (in screen) load address 0x105234000 + 0x2bd7a [0x10525fd7a]
+ 3 ??? (in screen) load address 0x105234000 + 0x39845 [0x10526d845]
+ ! 3 read (in libsystem_kernel.dylib) + 10 [0x1055c1af2]
+ 2 ??? (in screen) load address 0x105234000 + 0x11632 [0x105245632]
+ ! 2 write (in libsystem_kernel.dylib) + 10 [0x1055c1fde]
+ 2 ??? (in screen) load address 0x105234000 + 0x39e89 [0x10526de89]
+ 1 ??? (in screen) load address 0x105234000 + 0x899d [0x10523c99d]
+ : 1 ??? (in screen) load address 0x105234000 + 0x4a0c [0x105238a0c]
+ : 1 ??? (in screen) load address 0x105234000 + 0x189bb [0x10524c9bb]
+ : 1 ??? (in screen) load address 0x105234000 + 0xc337 [0x105240337]
+ : 1 tgoto (in libncurses.5.4.dylib) + 955 [0x1052a9dbb]
+ : 1 tparm (in libncurses.5.4.dylib) + 1898 [0x1052aac7a]
+ : 1 __sprintf_chk (in libsystem_c.dylib) + 123 [0x10543f6a7]
+ : 1 vsprintf_l (in libsystem_c.dylib) + 190 [0x1054b9010]
+ : 1 bzero$VARIANT$sse2 (in libsystem_c.dylib) + 57 [0x105453bd9]
+ 1 ??? (in screen) load address 0x105234000 + 0x9086 [0x10523d086]
+ 1 ??? (in screen) load address 0x105234000 + 0x19c80 [0x10524dc80]
+ 1 ??? (in screen) load address 0x105234000 + 0xdd61 [0x105241d61]
+ 1 ??? (in screen) load address 0x105234000 + 0xd788 [0x105241788]
1 ??? (in screen) load address 0x105234000 + 0x2bc21 [0x10525fc21]
1 ??? (in screen) load address 0x105234000 + 0x2bd16 [0x10525fd16]
Total number in stack (recursive counted multiple, when >=5):
Sort by top of stack, same collapsed (when >= 5):
__select (in libsystem_kernel.dylib) 2778
Binary Images:
0x105234000 - 0x10527cff7 +screen (??? - ???) <C7FC07EE-53EA-3874-B903-D6FAAB19173C> /usr/bin/screen
0x105293000 - 0x1052cdfff libncurses.5.4.dylib (5.4.0 - compatibility 5.4.0) <387DE593-9CC5-38C7-911B-A5F2264D34F2> /usr/lib/libncurses.5.4.dylib
0x1052e4000 - 0x105311fe7 libSystem.B.dylib (159.1.0 - compatibility 1.0.0) <095FDD3C-3961-3865-A59B-A5B0A4B8B923> /usr/lib/libSystem.B.dylib
0x105320000 - 0x105325fff libcache.dylib (47.0.0 - compatibility 1.0.0) <B7757E2E-5A7D-362E-AB71-785FE79E1527> /usr/lib/system/libcache.dylib
0x105331000 - 0x105373ff7 libcommonCrypto.dylib (55010.0.0 - compatibility 1.0.0) <A5B9778E-11C3-3F61-B740-1F2114E967FB> /usr/lib/system/libcommonCrypto.dylib
0x105383000 - 0x105388fff libcompiler_rt.dylib (6.0.0 - compatibility 1.0.0) <98ECD5F6-E85C-32A5-98CD-8911230CB66A> /usr/lib/system/libcompiler_rt.dylib
0x105397000 - 0x10539efff libcopyfile.dylib (85.1.0 - compatibility 1.0.0) <172B1985-F24A-34E9-8D8B-A2403C9A0399> /usr/lib/system/libcopyfile.dylib
0x1053aa000 - 0x1053b8fff libdispatch.dylib (187.7.0 - compatibility 1.0.0) <712AAEAC-AD90-37F7-B71F-293FF8AE8723> /usr/lib/system/libdispatch.dylib
0x1053c9000 - 0x1053cafff libdnsinfo.dylib (395.6.0 - compatibility 1.0.0) <718A135F-6349-354A-85D5-430B128EFD57> /usr/lib/system/libdnsinfo.dylib
0x1053cf000 - 0x1053d3fff libdyld.dylib (195.5.0 - compatibility 1.0.0) <F1903B7A-D3FF-3390-909A-B24E09BAD1A5> /usr/lib/system/libdyld.dylib
0x1053dc000 - 0x1053dcfff libkeymgr.dylib (23.0.0 - compatibility 1.0.0) <61EFED6A-A407-301E-B454-CD18314F0075> /usr/lib/system/libkeymgr.dylib
0x1053e3000 - 0x1053edff7 liblaunch.dylib (392.18.0 - compatibility 1.0.0) <39EF04F2-7F0C-3435-B785-BF283727FFBD> /usr/lib/system/liblaunch.dylib
0x1053f8000 - 0x1053fefff libmacho.dylib (800.0.0 - compatibility 1.0.0) <D86F63EC-D2BD-32E0-8955-08B5EAFAD2CC> /usr/lib/system/libmacho.dylib
0x105407000 - 0x10540bfff libmathCommon.A.dylib (2026.0.0 - compatibility 1.0.0) <FF83AFF7-42B2-306E-90AF-D539C51A4542> /usr/lib/system/libmathCommon.A.dylib
0x105410000 - 0x105412fff libquarantine.dylib (36.0.0 - compatibility 1.0.0) <4C3BFBC7-E592-3939-B376-1C2E2D7C5389> /usr/lib/system/libquarantine.dylib
0x105419000 - 0x10541aff7 libremovefile.dylib (21.0.0 - compatibility 1.0.0) <C6C49FB7-1892-32E4-86B5-25AD165131AA> /usr/lib/system/libremovefile.dylib
0x105422000 - 0x105423ff7 libsystem_blocks.dylib (53.0.0 - compatibility 1.0.0) <8BCA214A-8992-34B2-A8B9-B74DEACA1869> /usr/lib/system/libsystem_blocks.dylib
0x10542c000 - 0x105509fef libsystem_c.dylib (763.12.0 - compatibility 1.0.0) <FF69F06E-0904-3C08-A5EF-536FAFFFDC22> /usr/lib/system/libsystem_c.dylib
0x105549000 - 0x105551fff libsystem_dnssd.dylib (??? - ???) <7749128E-D0C5-3832-861C-BC9913F774FA> /usr/lib/system/libsystem_dnssd.dylib
0x105559000 - 0x105594ff7 libsystem_info.dylib (??? - ???) <9C8C2DCB-96DB-3471-9DCE-ADCC26BE2DD4> /usr/lib/system/libsystem_info.dylib
0x1055aa000 - 0x1055cafff libsystem_kernel.dylib (1699.22.73 - compatibility 1.0.0) <69F2F501-72D8-3B3B-8357-F4418B3E1348> /usr/lib/system/libsystem_kernel.dylib
0x1055da000 - 0x1055dfff7 libsystem_network.dylib (??? - ???) <5DE7024E-1D2D-34A2-80F4-08326331A75B> /usr/lib/system/libsystem_network.dylib
0x1055e6000 - 0x1055efff7 libsystem_notify.dylib (80.1.0 - compatibility 1.0.0) <A4D651E3-D1C6-3934-AD49-7A104FD14596> /usr/lib/system/libsystem_notify.dylib
0x1055f8000 - 0x1055f9fff libsystem_sandbox.dylib (??? - ???) <8D14139B-B671-35F4-9E5A-023B4C523C38> /usr/lib/system/libsystem_sandbox.dylib
0x105601000 - 0x105602fff libunc.dylib (24.0.0 - compatibility 1.0.0) <C67B3B14-866C-314F-87FF-8025BEC2CAAC> /usr/lib/system/libunc.dylib
0x105607000 - 0x10560dff7 libunwind.dylib (30.0.0 - compatibility 1.0.0) <1E9C6C8C-CBE8-3F4B-A5B5-E03E3AB53231> /usr/lib/system/libunwind.dylib
0x10561a000 - 0x105637ff7 libxpc.dylib (77.17.0 - compatibility 1.0.0) <72A16104-2F23-3C22-B474-1953F06F9376> /usr/lib/system/libxpc.dylib
0x7fff64e34000 - 0x7fff64e68ac7 dyld (195.5 - ???) <4A6E2B28-C7A2-3528-ADB7-4076B9836041> /usr/lib/dyld
Sample analysis of process 4005 written to file /dev/stdout
Raw
Serial
97.548% in __select()
01.442% in read()
Raw
Serial sample
Sampling process 3803 for 1 seconds with 1 millisecond of run time between samples
Sampling completed, processing symbols...
Analysis of sampling serial_tests (pid 3803) every 1 millisecond
Process: serial_tests [3803]
Path: /Users/john/Projects/serial/bin/serial_tests
Load Address: 0x10333f000
Identifier: serial_tests
Version: ??? (???)
Code Type: X86-64 (Native)
Parent Process: zsh [306]
Date/Time: 2012-01-14 00:08:49.630 -0600
OS Version: Mac OS X 10.7.2 (11C74)
Report Version: 7
Call graph:
928 Thread_265265 DispatchQueue_1: com.apple.main-thread (serial)
928 start (in serial_tests) + 52 [0x1033418c4]
928 main (in serial_tests) + 339 [0x103341a83] serial_tests.cc:45
922 serial::Serial::readline(unsigned long, std::string) (in serial_tests) + 86 [0x103341dd6]
+ 900 serial::Serial::SerialImpl::read(unsigned long) (in serial_tests) + 403 [0x103343213]
+ ! 900 __select (in libsystem_kernel.dylib) + 10 [0x103802df2]
+ 17 serial::Serial::SerialImpl::read(unsigned long) (in serial_tests) + 523 [0x10334328b]
+ ! 17 read (in libsystem_kernel.dylib) + 10 [0x103803af2]
+ 4 serial::Serial::SerialImpl::read(unsigned long) (in serial_tests) + 621 [0x1033432ed]
+ ! 2 std::string::append(char const*, unsigned long) (in libstdc++.6.dylib) + 105 [0x10345b62b]
+ ! : 2 std::string::reserve(unsigned long) (in libstdc++.6.dylib) + 84 [0x10345b40e]
+ ! : 2 std::string::_Rep::_M_clone(std::allocator<char> const&, unsigned long) (in libstdc++.6.dylib) + 31 [0x10345b1d7]
+ ! : 2 std::string::_Rep::_S_create(unsigned long, unsigned long, std::allocator<char> const&) (in libstdc++.6.dylib) + 126 [0x10345a80a]
+ ! : 2 operator new(unsigned long) (in libstdc++.6.dylib) + 94 [0x10346d68e]
+ ! : 2 malloc (in libsystem_c.dylib) + 44 [0x1037031a4]
+ ! : 1 malloc_zone_malloc (in libsystem_c.dylib) + 77 [0x1037023c8]
+ ! : | 1 szone_malloc_should_clear (in libsystem_c.dylib) + 1169 [0x1036cd044]
+ ! : 1 malloc_zone_malloc (in libsystem_c.dylib) + 70 [0x1037023c1]
+ ! 2 std::string::append(char const*, unsigned long) (in libstdc++.6.dylib) + 173,52 [0x10345b66f,0x10345b5f6]
+ 1 serial::Serial::SerialImpl::read(unsigned long) (in serial_tests) + 523 [0x10334328b]
2 serial::Serial::readline(unsigned long, std::string) (in serial_tests) + 176 [0x103341e30]
+ 1 std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&, unsigned long, unsigned long) (in libstdc++.6.dylib) + 104 [0x10345c9ee]
+ ! 1 char* std::string::_S_construct<char*>(char*, char*, std::allocator<char> const&, std::forward_iterator_tag) (in libstdc++.6.dylib) + 73 [0x10345c833]
+ 1 std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&, unsigned long, unsigned long) (in libstdc++.6.dylib) + 104 [0x10345c9ee]
2 serial::Serial::readline(unsigned long, std::string) (in serial_tests) + 278 [0x103341e96]
+ 2 std::string::_Rep::_M_destroy(std::allocator<char> const&) (in libstdc++.6.dylib) + 34 [0x10345a6b4]
+ 1 free (in libsystem_c.dylib) + 71 [0x10370270e]
+ ! 1 szone_size (in libsystem_c.dylib) + 379 [0x1036c3ed3]
+ 1 free (in libsystem_c.dylib) + 194 [0x103702789]
+ 1 szone_free_definite_size (in libsystem_c.dylib) + 1815 [0x1036c95c3]
+ 1 tiny_free_list_add_ptr (in libsystem_c.dylib) + 51 [0x1036c2ac1]
1 serial::Serial::readline(unsigned long, std::string) (in serial_tests) + 119 [0x103341df7]
+ 1 std::string::append(std::string const&) (in libstdc++.6.dylib) + 63 [0x10345b7d9]
+ 1 std::string::reserve(unsigned long) (in libstdc++.6.dylib) + 106 [0x10345b424]
+ 1 std::string::_Rep::_M_dispose(std::allocator<char> const&) (in libstdc++.6.dylib) + 60 [0x10345a702]
+ 1 free (in libsystem_c.dylib) + 71 [0x10370270e]
+ 1 szone_size (in libsystem_c.dylib) + 319 [0x1036c3e97]
1 serial::Serial::readline(unsigned long, std::string) (in serial_tests) + 337 [0x103341ed1]
Total number in stack (recursive counted multiple, when >=5):
Sort by top of stack, same collapsed (when >= 5):
__select (in libsystem_kernel.dylib) 900
read (in libsystem_kernel.dylib) 17
Binary Images:
0x10333f000 - 0x103345fff +serial_tests (??? - ???) <F98FAB64-0326-3EAC-9620-B78BD471C36F> /Users/john/Projects/serial/bin/serial_tests
0x103355000 - 0x103385ff7 +libgtest.0.0.0.dylib (??? - ???) <B94FE83B-40CB-319F-A6FF-AAD29F9B50C1> /usr/local/lib/libgtest.0.0.0.dylib
0x1033a5000 - 0x1033a5ff7 +libgtest_main.0.0.0.dylib (??? - ???) <0D0D45B0-3750-32D2-9E6C-B14D351DE56F> /usr/local/lib/libgtest_main.0.0.0.dylib
0x1033ae000 - 0x1033b2fff +libboost_system-mt.dylib (??? - ???) <B5BB8B82-F6FD-3660-810D-63A4ADF232ED> /usr/local/lib/libboost_system-mt.dylib
0x1033bd000 - 0x1033d1ff7 +libboost_filesystem-mt.dylib (??? - ???) <C8D421CE-37CC-3433-BD0F-228113FD4EB6> /usr/local/lib/libboost_filesystem-mt.dylib
0x1033f2000 - 0x103403ff7 +libboost_thread-mt.dylib (??? - ???) <A1ECC9A0-5E8C-3E96-95BB-5DDEC675797F> /usr/local/lib/libboost_thread-mt.dylib
0x10342e000 - 0x1034a1fff libstdc++.6.dylib (52.0.0 - compatibility 7.0.0) <6BDD43E4-A4B1-379E-9ED5-8C713653DFF2> /usr/lib/libstdc++.6.dylib
0x103501000 - 0x10352efe7 libSystem.B.dylib (159.1.0 - compatibility 1.0.0) <095FDD3C-3961-3865-A59B-A5B0A4B8B923> /usr/lib/libSystem.B.dylib
0x103541000 - 0x10354cff7 libc++abi.dylib (14.0.0 - compatibility 1.0.0) <8FF3D766-D678-36F6-84AC-423C878E6D14> /usr/lib/libc++abi.dylib
0x10355a000 - 0x10355ffff libcache.dylib (47.0.0 - compatibility 1.0.0) <B7757E2E-5A7D-362E-AB71-785FE79E1527> /usr/lib/system/libcache.dylib
0x103568000 - 0x1035aaff7 libcommonCrypto.dylib (55010.0.0 - compatibility 1.0.0) <A5B9778E-11C3-3F61-B740-1F2114E967FB> /usr/lib/system/libcommonCrypto.dylib
0x1035be000 - 0x1035c3fff libcompiler_rt.dylib (6.0.0 - compatibility 1.0.0) <98ECD5F6-E85C-32A5-98CD-8911230CB66A> /usr/lib/system/libcompiler_rt.dylib
0x1035cc000 - 0x1035d3fff libcopyfile.dylib (85.1.0 - compatibility 1.0.0) <172B1985-F24A-34E9-8D8B-A2403C9A0399> /usr/lib/system/libcopyfile.dylib
0x1035da000 - 0x1035e8fff libdispatch.dylib (187.7.0 - compatibility 1.0.0) <712AAEAC-AD90-37F7-B71F-293FF8AE8723> /usr/lib/system/libdispatch.dylib
0x1035ff000 - 0x103600fff libdnsinfo.dylib (395.6.0 - compatibility 1.0.0) <718A135F-6349-354A-85D5-430B128EFD57> /usr/lib/system/libdnsinfo.dylib
0x103608000 - 0x10360cfff libdyld.dylib (195.5.0 - compatibility 1.0.0) <F1903B7A-D3FF-3390-909A-B24E09BAD1A5> /usr/lib/system/libdyld.dylib
0x103613000 - 0x103613fff libkeymgr.dylib (23.0.0 - compatibility 1.0.0) <61EFED6A-A407-301E-B454-CD18314F0075> /usr/lib/system/libkeymgr.dylib
0x103619000 - 0x103623ff7 liblaunch.dylib (392.18.0 - compatibility 1.0.0) <39EF04F2-7F0C-3435-B785-BF283727FFBD> /usr/lib/system/liblaunch.dylib
0x10362c000 - 0x103632fff libmacho.dylib (800.0.0 - compatibility 1.0.0) <D86F63EC-D2BD-32E0-8955-08B5EAFAD2CC> /usr/lib/system/libmacho.dylib
0x10363d000 - 0x103641fff libmathCommon.A.dylib (2026.0.0 - compatibility 1.0.0) <FF83AFF7-42B2-306E-90AF-D539C51A4542> /usr/lib/system/libmathCommon.A.dylib
0x103647000 - 0x103649fff libquarantine.dylib (36.0.0 - compatibility 1.0.0) <4C3BFBC7-E592-3939-B376-1C2E2D7C5389> /usr/lib/system/libquarantine.dylib
0x10364e000 - 0x10364fff7 libremovefile.dylib (21.0.0 - compatibility 1.0.0) <C6C49FB7-1892-32E4-86B5-25AD165131AA> /usr/lib/system/libremovefile.dylib
0x103655000 - 0x103656ff7 libsystem_blocks.dylib (53.0.0 - compatibility 1.0.0) <8BCA214A-8992-34B2-A8B9-B74DEACA1869> /usr/lib/system/libsystem_blocks.dylib
0x103662000 - 0x10373ffef libsystem_c.dylib (763.12.0 - compatibility 1.0.0) <FF69F06E-0904-3C08-A5EF-536FAFFFDC22> /usr/lib/system/libsystem_c.dylib
0x103782000 - 0x10378afff libsystem_dnssd.dylib (??? - ???) <7749128E-D0C5-3832-861C-BC9913F774FA> /usr/lib/system/libsystem_dnssd.dylib
0x103797000 - 0x1037d2ff7 libsystem_info.dylib (??? - ???) <9C8C2DCB-96DB-3471-9DCE-ADCC26BE2DD4> /usr/lib/system/libsystem_info.dylib
0x1037ec000 - 0x10380cfff libsystem_kernel.dylib (1699.22.73 - compatibility 1.0.0) <69F2F501-72D8-3B3B-8357-F4418B3E1348> /usr/lib/system/libsystem_kernel.dylib
0x10381e000 - 0x103823ff7 libsystem_network.dylib (??? - ???) <5DE7024E-1D2D-34A2-80F4-08326331A75B> /usr/lib/system/libsystem_network.dylib
0x10382f000 - 0x103838ff7 libsystem_notify.dylib (80.1.0 - compatibility 1.0.0) <A4D651E3-D1C6-3934-AD49-7A104FD14596> /usr/lib/system/libsystem_notify.dylib
0x103840000 - 0x103841fff libsystem_sandbox.dylib (??? - ???) <8D14139B-B671-35F4-9E5A-023B4C523C38> /usr/lib/system/libsystem_sandbox.dylib
0x103846000 - 0x103847fff libunc.dylib (24.0.0 - compatibility 1.0.0) <C67B3B14-866C-314F-87FF-8025BEC2CAAC> /usr/lib/system/libunc.dylib
0x103853000 - 0x103859ff7 libunwind.dylib (30.0.0 - compatibility 1.0.0) <1E9C6C8C-CBE8-3F4B-A5B5-E03E3AB53231> /usr/lib/system/libunwind.dylib
0x103866000 - 0x103883ff7 libxpc.dylib (77.17.0 - compatibility 1.0.0) <72A16104-2F23-3C22-B474-1953F06F9376> /usr/lib/system/libxpc.dylib
0x7fff62f3f000 - 0x7fff62f73ac7 dyld (195.5 - ???) <4A6E2B28-C7A2-3528-ADB7-4076B9836041> /usr/lib/dyld
Sample analysis of process 3803 written to file /dev/stdout
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