awful gdb script to measure pathfinder cost by train in factorio

train_pathing_cost.gdb

file factorio

set $train_id = (int)0
set $start = (unsigned long long)0
set $end = (unsigned long long)0

# for 1.1.26, linux build

break _ZN5Train11requestPathEPK4Rail13RailDirectionPK20InChainSignalSection
commands
	set $train_id = *(int*)((void*)$rdi + 0x30)
	# location of the train pathfinder time used counter
	set $start = *(unsigned long long*)(*(void**)0x2a2b740 + 0x1e98)
	continue
end

# return instruction
break *_ZN5Train11requestPathEPK4Rail13RailDirectionPK20InChainSignalSection + 367
commands
	set $end= *(unsigned long long*)(*(void**)0x2a2b740 + 0x1e98)
	printf "id: %d delta: %d", $train_id, $end - $start
	continue
end