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Time travel debugging or time traveling debugging is the process of stepping back in time through source code to understand what is happening during execution of a computer program. [1] Typically, debugging and debuggers , tools that assist a user with the process of debugging, allow users to pause the execution of running software and inspect ...
Allinea DDT - a graphical debugger supporting for parallel/multi-process and multithreaded applications, for C/C++ and F90. DDD is the standard front-end from the GNU Project. It is a complex tool that works with most common debuggers (GDB, jdb, Python debugger, Perl debugger, Tcl, and others) natively or with some external programs (for PHP).
Winpdb debugging itself. A debugger is a computer program used to test and debug other programs (the "target" programs). Common features of debuggers include the ability to run or halt the target program using breakpoints, step through code line by line, and display or modify the contents of memory, CPU registers, and stack frames.
An "instruction step" switch and a "Start" button). Some means of recording the state of the processor after each cycle (e.g. register and memory displays). On the IBM System 360 processor range announced in 1964, these facilities were provided by front panel switches, buttons and banks of neon lights.
Source code and memory serial and parallel debugger C++, C, CUDA, FORTRAN, MPI, OpenMP Linux, AIX, Solaris, OS X, Cray, Blue Gene [1] Yes (Memory debugger) Yes Proprietary: 2016.07, Nov 2016 Undo LiveRecorder: 1998 Source code and memory serial and parallel time travel debugger [2] C++, C, Go, Rust, Java Linux: Yes (Memory debugger) Yes Proprietary
The debugging skill of the programmer can be a major factor in the ability to debug a problem, but the difficulty of software debugging varies greatly with the complexity of the system, and also depends, to some extent, on the programming language(s) used and the available tools, such as debuggers.
GDB is still actively being developed. As of version 7.0 new features include support for Python scripting [8] and as of version 7.8 GNU Guile scripting as well. [9] Since version 7.0, support for "reversible debugging" — allowing a debugging session to step backward, much like rewinding a crashed program to see what happened — is available ...
Record and replay debuggers record application state at every step of the program's process and thread execution, including memory interactions, deterministic and non-deterministic inputs, system resource status, and store it to disk in a log. [3] The recording allows the program to be replayed again and again, and debugged exactly as it happened.