so Im debugging a kernel, running inside virtme (I cant recommend it enough) using 2 terminals, each in build-dir 1st runs function dkrunk () { echo vm $KRUN_SHOW $KRUN_STDS $KDBG_OPTS $* $QM_OPTS --smp 3 -s -S virtme-run $KRUN_SHOW $KRUN_STDS $KDBG_OPTS $* $QM_OPTS --smp 3 -s -S # -qmp tcp:localhost:4444,server,nowait } 2nd runs: alias tui='gdb --tui -q -x ../../../gdb-2 vmlinux' that script is # seems I need a hardware breakpoint to get started, # is that the case for anyone else ? hbreak dynamic_debug_init c b strcmp if cs == ct c If you do this, youll find all the places where strcmp is called on identical args. Most of them I dont want to see, but what kind of syntax lets me look up the frame(s) to select only the contexts of interest ? it would be useful enough to test just the caller file, that would get me a long way