Add gdb stack dump command to docs (#12147)
Add gdb stack dump command to docs (#12147)

* ZZ

* pid

* Update doc/source/profiling.rst

Co-authored-by: Stephanie Wang <eca4a1deeebad39ac96951cf16f96bc52c44a64a@cs.berkeley.edu>

* Update profiling.rst

Co-authored-by: Stephanie Wang <eca4a1deeebad39ac96951cf16f96bc52c44a64a@cs.berkeley.edu>
pcmoritz/ray-1,richardliaw/ray,ray-project/ray,richardliaw/ray,richardliaw/ray,richardliaw/ray,ray-project/ray,ray-project/ray,richardliaw/ray,richardliaw/ray,pcmoritz/ray-1,pcmoritz/ray-1,richardliaw/ray,ray-project/ray,richardliaw/ray,pcmoritz/ray-1,pcmoritz/ray-1,pcmoritz/ray-1,ray-project/ray,ray-project/ray,pcmoritz/ray-1,ray-project/ray,pcmoritz/ray-1,ray-project/ray