Is it possible to get a core dump of a running process and its symbol table?

Question

Is it possible to get gdb or use some other tools to create a core dump of a running process and it\'s symbol table? It would be great if there\'s a way to do this without

Answer 1

Or run gcore $(pidof processname).

This has the benefit (over running gdb and issuing commands to the CLI) that you attach and detach in the shortest possible time.

Answer 2

You can used generate-core-file command in gdb to generate core dump of running process.

Answer 3

$ gdb --pid=26426
(gdb) gcore
Saved corefile core.26426
(gdb) detach