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c - How to use tracing in GDB - Stack Overflow
https://stackoverflow.com/questions/7174156/how-to-use-tracing-in-gdb
Dynamic Tracing with GDB - Heinrich Hartmann
https://www.heinrichhartmann.com/blog/dynamic-tracing-with-gdb.html
break commands. In order to use gdb commands for dynamic tracing you can use the following syntax. The silent statment tells gdb to ommit the usual status print-outs when a breakpoint is hit (“Breakpoint 1 …”). The continue statment causes gdb to continue execution after the commands are processed.
Linux Tools Project/GDB/User Guide - Eclipsepedia
https://wiki.eclipse.org/Linux_Tools_Project/GDB/User_Guide
Tracepoints (Debugging with GDB) - sourceware.org
https://sourceware.org/gdb/onlinedocs/gdb/Tracepoints.html
Using GDB’s trace and collect commands, you can specify locations in the program, called tracepoints, and arbitrary expressions to evaluate when those tracepoints are reached. Later, using the tfind command, you can examine the values those expressions had when the program hit the tracepoints.
Backtrace (Debugging with GDB) - sourceware.org
https://sourceware.org/gdb/onlinedocs/gdb/Backtrace.html
When GDB finds the entry function in a backtrace it will terminate the backtrace, to avoid tracing into highly system-specific (and generally uninteresting) code. If you need to examine the startup code, or limit the number of levels in a backtrace, you can change this behavior: set backtrace past-main set backtrace past-main on
GDB Tutorial - cs.toronto.edu
https://www.cs.toronto.edu/~krueger/csc209h/tut/gdb_tutorial.html
(gdb) print line $1 = "10\000\000\000\000\000\000¨Á" (gdb) The line variable has the character values '1' followed by '0' and then a null terminator '\0', and then junk. So, this seems ok. Now, let's move on and examine what buf holds. (gdb) print buf $2 …
GDB tracing: No current trace frame - Stack Overflow
https://stackoverflow.com/questions/16345958/gdb-tracing-no-current-trace-frame
(gdb) actions 1 Enter actions for tracepoint 1, one per line. End with a line saying just "end". >collect $regs,$args >end (gdb) tstart (gdb) c Continuing. Breakpoint 2, main () at test.c:9 9 return 0; (gdb) tstop (gdb) tdump warning: No current trace frame.
Attaching GDB to running processes - Defensive …
https://gjbex.github.io/DPD-online-book/BugsAtRuntime/Debuggers/Gdb/gdb_attach/
Enabling process tracing Temporarily enabling process tracing for non-root users. As root on an Ubuntu system, execute the following command # echo 0 > /proc/sys/kernel/yama/ptrace_scope Process tracing will be allowed until the next reboot, or until you revert it manually by executing, again as root # echo 1 > /proc/sys/kernel/yama/ptrace_scope
How to Use strace to Trace System Calls and Signals
https://www.howtogeek.com/devops/how-to-use-strace-to-trace-system-calls-and-signals/
If you are interested in debugging computer code and programs, take a look at our Debugging with GDB: Getting Started article. There’s good news in both cases! Tracing all system calls and signals provides a comprehensive picture of a program’s operation, and it’s an excellent troubleshooting and even debugging tool.
Stack trace with GDB - Mostly Machine Learning
https://senarvi.github.io/stack-trace-with-gdb/
Below is a single command that runs a program under GDB, stops when the program receives a signal other than SIGALRM or SIGCHLD, and prints the stack backtrace of all the threads: $ gdb -q \ -batch \ -ex 'set print thread-events off' \ -ex 'handle SIGALRM nostop pass' \ -ex 'handle SIGCHLD nostop pass' \ -ex 'run' \ -ex 'thread apply all backtrace' \ --args \ my …
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