Backtrace of every the threads

Anupam Kapoor anupam.kapoor at gmail.com
Wed Feb 10 05:32:23 EST 2016


>>>>> [2016-02-10T15:06:30+0530]: "Ricardo Ribalda Delgado" (ricardo-delgado):
,----[ ricardo-delgado ]
| Unfortunately not :( But thanks for trying :)
`----
seems to work just fine on a trivial program here:
< aside: hopefully, i will not be judged too harshly for c++ :) >

,----
| anupam at fatcat cpu-stuff % gdb obj/affine-thread-to-cpu
| GNU gdb (GDB) 7.10.1
| Copyright (C) 2015 Free Software Foundation, Inc.
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| and "show warranty" for details.
| This GDB was configured as "x86_64-unknown-linux-gnu".
| Type "show configuration" for configuration details.
| For bug reporting instructions, please see:
| <http://www.gnu.org/software/gdb/bugs/>.
| Find the GDB manual and other documentation resources online at:
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| For help, type "help".
| Type "apropos word" to search for commands related to "word"...
| Reading symbols from obj/affine-thread-to-cpu...done.
| (gdb) core core.11717
| warning: core file may not match specified executable file.
| [New LWP 11717]
| [New LWP 11718]
| [New LWP 11720]
| [New LWP 11721]
| [New LWP 11719]
| warning: Could not load shared library symbols for linux-vdso.so.1.
| Do you need "set solib-search-path" or "set sysroot"?
| [Thread debugging using libthread_db enabled]
| Using host libthread_db library "/usr/lib/libthread_db.so.1".
| Core was generated by `./obj/affine-thread-to-cpu'.
| Program terminated with signal SIGSEGV, Segmentation fault.
| #0  0x00007f4a34f9170d in pthread_join () from /usr/lib/libpthread.so.0
| [Current thread is 1 (Thread 0x7f4a3536f740 (LWP 11717))]
| (gdb) thread apply all
| Please specify a command following the thread ID list
| (gdb) thread apply all bt
|
| Thread 5 (Thread 0x7f4a33b4d700 (LWP 11719)):
| #0  0x00007f4a34f9965d in nanosleep () from /usr/lib/libpthread.so.0
| #1  0x0000000000401534 in std::this_thread::sleep_for<long, std::ratio<1l, 1000l> > (__rtime=...) at /usr/include/c++/5.3.0/thread:292
| #2  <lambda()>::operator() (__closure=0x24d8de8) at affine-thread-to-cpu.cpp:27
| #3  std::_Bind_simple<main(int, char**)::<lambda()>()>::_M_invoke<> (this=0x24d8de8) at /usr/include/c++/5.3.0/functional:1531
| #4  std::_Bind_simple<main(int, char**)::<lambda()>()>::operator() (this=0x24d8de8) at /usr/include/c++/5.3.0/functional:1520
| #5  std::thread::_Impl<std::_Bind_simple<main(int, char**)::<lambda()>()> >::_M_run(void) (this=0x24d8dd0) at /usr/include/c++/5.3.0/thread:115
| #6  0x00007f4a34cbff40 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>)
|     at /build/gcc/src/gcc-5.3.0/libstdc++-v3/src/c++11/thread.cc:84
| #7  0x00007f4a34f904a4 in start_thread () from /usr/lib/libpthread.so.0
| #8  0x00007f4a3443813d in clone () from /usr/lib/libc.so.6
|
| Thread 4 (Thread 0x7f4a32b4b700 (LWP 11721)):
| #0  0x00007f4a34f9965d in nanosleep () from /usr/lib/libpthread.so.0
| #1  0x0000000000401534 in std::this_thread::sleep_for<long, std::ratio<1l, 1000l> > (__rtime=...) at /usr/include/c++/5.3.0/thread:292
| #2  <lambda()>::operator() (__closure=0x24d90c8) at affine-thread-to-cpu.cpp:27
| #3  std::_Bind_simple<main(int, char**)::<lambda()>()>::_M_invoke<> (this=0x24d90c8) at /usr/include/c++/5.3.0/functional:1531
| #4  std::_Bind_simple<main(int, char**)::<lambda()>()>::operator() (this=0x24d90c8) at /usr/include/c++/5.3.0/functional:1520
| #5  std::thread::_Impl<std::_Bind_simple<main(int, char**)::<lambda()>()> >::_M_run(void) (this=0x24d90b0) at /usr/include/c++/5.3.0/thread:115
| #6  0x00007f4a34cbff40 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>)
|     at /build/gcc/src/gcc-5.3.0/libstdc++-v3/src/c++11/thread.cc:84
| #7  0x00007f4a34f904a4 in start_thread () from /usr/lib/libpthread.so.0
| #8  0x00007f4a3443813d in clone () from /usr/lib/libc.so.6
|
| Thread 3 (Thread 0x7f4a3334c700 (LWP 11720)):
| #0  0x00007f4a34f9965d in nanosleep () from /usr/lib/libpthread.so.0
| #1  0x0000000000401534 in std::this_thread::sleep_for<long, std::ratio<1l, 1000l> > (__rtime=...) at /usr/include/c++/5.3.0/thread:292
| #2  <lambda()>::operator() (__closure=0x24d8f58) at affine-thread-to-cpu.cpp:27
| #3  std::_Bind_simple<main(int, char**)::<lambda()>()>::_M_invoke<> (this=0x24d8f58) at /usr/include/c++/5.3.0/functional:1531
| #4  std::_Bind_simple<main(int, char**)::<lambda()>()>::operator() (this=0x24d8f58) at /usr/include/c++/5.3.0/functional:1520
| #5  std::thread::_Impl<std::_Bind_simple<main(int, char**)::<lambda()>()> >::_M_run(void) (this=0x24d8f40) at /usr/include/c++/5.3.0/thread:115
| #6  0x00007f4a34cbff40 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>)
|     at /build/gcc/src/gcc-5.3.0/libstdc++-v3/src/c++11/thread.cc:84
| #7  0x00007f4a34f904a4 in start_thread () from /usr/lib/libpthread.so.0
| #8  0x00007f4a3443813d in clone () from /usr/lib/libc.so.6
|
| Thread 2 (Thread 0x7f4a3434e700 (LWP 11718)):
| #0  0x00007f4a34f9965d in nanosleep () from /usr/lib/libpthread.so.0
| #1  0x0000000000401534 in std::this_thread::sleep_for<long, std::ratio<1l, 1000l> > (__rtime=...) at /usr/include/c++/5.3.0/thread:292
| #2  <lambda()>::operator() (__closure=0x24d8c78) at affine-thread-to-cpu.cpp:27
| #3  std::_Bind_simple<main(int, char**)::<lambda()>()>::_M_invoke<> (this=0x24d8c78) at /usr/include/c++/5.3.0/functional:1531
| #4  std::_Bind_simple<main(int, char**)::<lambda()>()>::operator() (this=0x24d8c78) at /usr/include/c++/5.3.0/functional:1520
| #5  std::thread::_Impl<std::_Bind_simple<main(int, char**)::<lambda()>()> >::_M_run(void) (this=0x24d8c60) at /usr/include/c++/5.3.0/thread:115
| #6  0x00007f4a34cbff40 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>)
|     at /build/gcc/src/gcc-5.3.0/libstdc++-v3/src/c++11/thread.cc:84
| #7  0x00007f4a34f904a4 in start_thread () from /usr/lib/libpthread.so.0
| #8  0x00007f4a3443813d in clone () from /usr/lib/libc.so.6
|
| Thread 1 (Thread 0x7f4a3536f740 (LWP 11717)):
| #0  0x00007f4a34f9170d in pthread_join () from /usr/lib/libpthread.so.0
| #1  0x00007f4a34cbfe57 in __gthread_join (__value_ptr=0x0, __threadid=<optimized out>)
|     at /build/gcc/src/gcc-build/x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu/bits/gthr-default.h:668
| #2  std::thread::join (this=this at entry=0x24d8c20) at /build/gcc/src/gcc-5.3.0/libstdc++-v3/src/c++11/thread.cc:107
| #3  0x0000000000401248 in main (argc=<optimized out>, argv=<optimized out>) at affine-thread-to-cpu.cpp:45
| (gdb)
|
`----

--

kind regards
anupam



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