W E L C O M E T O R R W E L C O M E T O R R W E L C O M E T O R R W E L C O M E T O R R W E L C O M E T O R R Last updated Fri Oct 18 17:19 github travis-ci mailing list news #research on irc.mozilla.org TODO: add to or replace with inline video demonstration. Start by using rr to record your application: $ rr record /your/application --args ... FAIL: oh no! The entire execution, including the failure, was saved to disk. That recording can now be debugged. $ rr replay GNU gdb (GDB) ... ... 0x4cee2050 in _start () from /lib/ld-linux.so.2 (gdb) Remember, you're debugging the recorded trace deterministically; not a live, nondeterministic execution. The replayed execution's address spaces, register contents, syscall data etc are exactly the same in every run. Most of the common gdb commands can be used...