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			357 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			357 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
| -- Minetest: builtin/game/mod_profiling.lua
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| 
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| local mod_statistics = {}
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| mod_statistics.step_total = 0
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| mod_statistics.data = {}
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| mod_statistics.stats = {}
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| mod_statistics.stats["total"] = {
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| 	min_us = math.huge,
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| 	max_us = 0,
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| 	avg_us = 0,
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| 	min_per = 100,
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| 	max_per = 100,
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| 	avg_per = 100
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| }
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| 
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| local replacement_table = {
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| 	"register_globalstep",
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| 	"register_on_placenode",
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| 	"register_on_dignode",
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| 	"register_on_punchnode",
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| 	"register_on_generated",
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| 	"register_on_newplayer",
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| 	"register_on_dieplayer",
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| 	"register_on_respawnplayer",
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| 	"register_on_prejoinplayer",
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| 	"register_on_joinplayer",
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| 	"register_on_leaveplayer",
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| 	"register_on_cheat",
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| 	"register_on_chat_message",
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| 	"register_on_player_receive_fields",
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| 	"register_on_mapgen_init",
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| 	"register_on_craft",
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| 	"register_craft_predict",
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| 	"register_on_item_eat"
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| }
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| 
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| --------------------------------------------------------------------------------
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| function mod_statistics.log_time(type, modname, time_in_us)
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| 
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| 	if modname == nil then
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| 		modname = "builtin"
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| 	end
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| 	
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| 	if mod_statistics.data[modname] == nil then
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| 		mod_statistics.data[modname] = {}
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| 	end
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| 	
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| 	if mod_statistics.data[modname][type] == nil then
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| 		mod_statistics.data[modname][type] = 0
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| 	end
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| 	
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| 	mod_statistics.data[modname][type] =
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| 		mod_statistics.data[modname][type] + time_in_us
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| 	mod_statistics.step_total = mod_statistics.step_total + time_in_us
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| end
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| 
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| --------------------------------------------------------------------------------
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| function mod_statistics.update_statistics(dtime)
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| 	for modname,types in pairs(mod_statistics.data) do
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| 		
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| 		if mod_statistics.stats[modname] == nil then
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| 			mod_statistics.stats[modname] = {
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| 				min_us = math.huge,
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| 				max_us = 0,
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| 				avg_us = 0,
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| 				min_per = 100,
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| 				max_per = 0,
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| 				avg_per = 0
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| 			}
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| 		end
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| 		
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| 		local modtime = 0
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| 		for type,time in pairs(types) do
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| 			modtime = modtime + time
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| 			if mod_statistics.stats[modname].types == nil then
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| 				mod_statistics.stats[modname].types = {}
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| 			end
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| 			if mod_statistics.stats[modname].types[type] == nil then
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| 				mod_statistics.stats[modname].types[type] = {
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| 					min_us = math.huge,
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| 					max_us = 0,
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| 					avg_us = 0,
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| 					min_per = 100,
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| 					max_per = 0,
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| 					avg_per = 0
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| 				}
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| 			end
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| 			
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| 			local toupdate = mod_statistics.stats[modname].types[type]
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| 			
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| 			--update us values
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| 			toupdate.min_us = math.min(time, toupdate.min_us)
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| 			toupdate.max_us = math.max(time, toupdate.max_us)
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| 			--TODO find better algorithm
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| 			toupdate.avg_us = toupdate.avg_us * 0.99 + modtime * 0.01
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| 				
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| 			--update percentage values
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| 			local cur_per = (time/mod_statistics.step_total) * 100
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| 			toupdate.min_per = math.min(toupdate.min_per, cur_per)
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| 				
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| 			toupdate.max_per = math.max(toupdate.max_per, cur_per)
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| 				
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| 			--TODO find better algorithm
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| 			toupdate.avg_per = toupdate.avg_per * 0.99 + cur_per * 0.01
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| 			
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| 			mod_statistics.data[modname][type] = 0
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| 		end
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| 		
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| 		--per mod statistics
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| 		--update us values
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| 		mod_statistics.stats[modname].min_us =
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| 			math.min(modtime, mod_statistics.stats[modname].min_us)
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| 		mod_statistics.stats[modname].max_us =
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| 			math.max(modtime, mod_statistics.stats[modname].max_us)
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| 		--TODO find better algorithm
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| 		mod_statistics.stats[modname].avg_us =
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| 			mod_statistics.stats[modname].avg_us * 0.99 + modtime * 0.01
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| 			
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| 		--update percentage values
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| 		local cur_per = (modtime/mod_statistics.step_total) * 100
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| 		mod_statistics.stats[modname].min_per =
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| 			math.min(mod_statistics.stats[modname].min_per, cur_per)
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| 			
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| 		mod_statistics.stats[modname].max_per =
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| 			math.max(mod_statistics.stats[modname].max_per, cur_per)
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| 			
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| 		--TODO find better algorithm
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| 		mod_statistics.stats[modname].avg_per =
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| 			mod_statistics.stats[modname].avg_per * 0.99 + cur_per * 0.01
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| 	end
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| 	
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| 	--update "total"
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| 	mod_statistics.stats["total"].min_us =
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| 		math.min(mod_statistics.step_total, mod_statistics.stats["total"].min_us)
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| 	mod_statistics.stats["total"].max_us =
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| 		math.max(mod_statistics.step_total, mod_statistics.stats["total"].max_us)
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| 	--TODO find better algorithm
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| 	mod_statistics.stats["total"].avg_us =
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| 		mod_statistics.stats["total"].avg_us * 0.99 +
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| 		mod_statistics.step_total * 0.01
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| 	
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| 	mod_statistics.step_total = 0
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| end
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| 
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| --------------------------------------------------------------------------------
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| local function build_callback(log_id, fct)
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| 	return function( toregister )
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| 		local modname = core.get_current_modname()
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| 		
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| 		fct(function(...)
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| 			local starttime = core.get_us_time()
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| 			-- note maximum 10 return values are supported unless someone finds
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| 			-- a way to store a variable lenght return value list
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| 			local r0, r1, r2, r3, r4, r5, r6, r7, r8, r9 = toregister(...)
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| 			local delta = core.get_us_time() - starttime
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| 			mod_statistics.log_time(log_id, modname, delta)
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| 			return r0, r1, r2, r3, r4, r5, r6, r7, r8, r9
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| 			end
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| 		)
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| 	end
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| end
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| 
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| --------------------------------------------------------------------------------
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| function profiling_print_log(cmd, filter)
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| 
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| 	print("Filter:" .. dump(filter))
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| 
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| 	core.log("action", "Values below show times/percentages per server step.")
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| 	core.log("action", "Following suffixes are used for entities:")
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| 	core.log("action", "\t#oa := on_activate, #os := on_step, #op := on_punch, #or := on_rightclick, #gs := get_staticdata")
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| 	core.log("action",
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| 		string.format("%16s | %25s | %10s | %10s | %10s | %9s | %9s | %9s",
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| 		"modname", "type" , "min µs", "max µs", "avg µs", "min %", "max %", "avg %")
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| 	)
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| 	core.log("action",
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| 		"-----------------+---------------------------+-----------+" ..
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| 		"-----------+-----------+-----------+-----------+-----------")
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| 	for modname,statistics in pairs(mod_statistics.stats) do
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| 		if modname ~= "total" then
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| 		
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| 			if (filter == "") or (modname == filter) then
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| 				if modname:len() > 16 then
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| 					modname = "..." .. modname:sub(-13)
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| 				end
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| 			
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| 				core.log("action",
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| 					string.format("%16s | %25s | %9d | %9d | %9d | %9d | %9d | %9d",
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| 					modname,
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| 					" ",
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| 					statistics.min_us,
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| 					statistics.max_us,
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| 					statistics.avg_us,
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| 					statistics.min_per,
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| 					statistics.max_per,
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| 					statistics.avg_per)
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| 				)
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| 				if core.setting_getbool("detailed_profiling") then
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| 					if statistics.types ~= nil then
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| 						for type,typestats in pairs(statistics.types) do
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| 						
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| 							if type:len() > 25 then
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| 								type = "..." .. type:sub(-22)
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| 							end
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| 						
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| 							core.log("action",
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| 								string.format(
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| 								"%16s | %25s | %9d | %9d | %9d | %9d | %9d | %9d",
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| 								" ",
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| 								type,
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| 								typestats.min_us,
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| 								typestats.max_us,
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| 								typestats.avg_us,
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| 								typestats.min_per,
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| 								typestats.max_per,
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| 								typestats.avg_per)
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| 							)
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| 						end
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| 					end
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| 				end
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| 			end
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| 		end
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| 	end
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| 		core.log("action",
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| 			"-----------------+---------------------------+-----------+" ..
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| 			"-----------+-----------+-----------+-----------+-----------")
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| 			
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| 	if filter == "" then
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| 		core.log("action",
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| 			string.format("%16s | %25s | %9d | %9d | %9d | %9d | %9d | %9d",
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| 			"total",
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| 			" ",
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| 			mod_statistics.stats["total"].min_us,
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| 			mod_statistics.stats["total"].max_us,
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| 			mod_statistics.stats["total"].avg_us,
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| 			mod_statistics.stats["total"].min_per,
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| 			mod_statistics.stats["total"].max_per,
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| 			mod_statistics.stats["total"].avg_per)
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| 		)
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| 	end
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| 	core.log("action", " ")
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| 	
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| 	return true
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| end
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| 
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| --------------------------------------------------------------------------------
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| local function initialize_profiling()
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| 	core.log("action", "Initialize tracing")
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| 	
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| 	mod_statistics.entity_callbacks = {}
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| 	
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| 	-- first register our own globalstep handler
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| 	core.register_globalstep(mod_statistics.update_statistics)
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| 	
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| 	local rp_register_entity = core.register_entity
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| 	core.register_entity = function(name, prototype)
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| 		local modname = core.get_current_modname()
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| 		local new_on_activate = nil
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| 		local new_on_step = nil
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| 		local new_on_punch = nil
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| 		local new_rightclick = nil
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| 		local new_get_staticdata = nil
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| 		
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| 		if prototype.on_activate ~= nil then
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| 			local cbid = name .. "#oa"
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| 			mod_statistics.entity_callbacks[cbid] = prototype.on_activate
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| 			new_on_activate = function(self, staticdata, dtime_s)
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| 				local starttime = core.get_us_time()
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| 				mod_statistics.entity_callbacks[cbid](self, staticdata, dtime_s)
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| 				local delta = core.get_us_time() -starttime
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| 				mod_statistics.log_time(cbid, modname, delta)
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| 			end
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| 		end
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| 		
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| 		if prototype.on_step ~= nil then
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| 			local cbid = name .. "#os"
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| 			mod_statistics.entity_callbacks[cbid] = prototype.on_step
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| 			new_on_step = function(self, dtime)
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| 				local starttime = core.get_us_time()
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| 				mod_statistics.entity_callbacks[cbid](self, dtime)
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| 				local delta = core.get_us_time() -starttime
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| 				mod_statistics.log_time(cbid, modname, delta)
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| 			end
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| 		end
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| 	
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| 		if prototype.on_punch ~= nil then
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| 			local cbid = name .. "#op"
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| 			mod_statistics.entity_callbacks[cbid] = prototype.on_punch
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| 			new_on_punch = function(self, hitter)
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| 				local starttime = core.get_us_time()
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| 				mod_statistics.entity_callbacks[cbid](self, hitter)
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| 				local delta = core.get_us_time() -starttime
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| 				mod_statistics.log_time(cbid, modname, delta)
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| 			end
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| 		end
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| 		
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| 		if prototype.rightclick ~= nil then
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| 			local cbid = name .. "#rc"
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| 			mod_statistics.entity_callbacks[cbid] = prototype.rightclick
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| 			new_rightclick = function(self, clicker)
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| 				local starttime = core.get_us_time()
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| 				mod_statistics.entity_callbacks[cbid](self, clicker)
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| 				local delta = core.get_us_time() -starttime
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| 				mod_statistics.log_time(cbid, modname, delta)
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| 			end
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| 		end
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| 		
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| 		if prototype.get_staticdata ~= nil then
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| 			local cbid = name .. "#gs"
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| 			mod_statistics.entity_callbacks[cbid] = prototype.get_staticdata
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| 			new_get_staticdata = function(self)
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| 				local starttime = core.get_us_time()
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| 				local retval = mod_statistics.entity_callbacks[cbid](self)
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| 				local delta = core.get_us_time() -starttime
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| 				mod_statistics.log_time(cbid, modname, delta)
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| 				return retval
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| 			end
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| 		end
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| 	
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| 		prototype.on_activate = new_on_activate
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| 		prototype.on_step = new_on_step
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| 		prototype.on_punch = new_on_punch
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| 		prototype.rightclick = new_rightclick
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| 		prototype.get_staticdata = new_get_staticdata
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| 		
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| 		rp_register_entity(name,prototype)
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| 	end
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| 	
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| 	for i,v in ipairs(replacement_table) do
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| 		local to_replace = core[v]
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| 		core[v] = build_callback(v, to_replace)
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| 	end
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| 	
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| 	local rp_register_abm = core.register_abm
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| 	core.register_abm = function(spec)
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| 	
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| 		local modname = core.get_current_modname()
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| 	
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| 		local replacement_spec = {
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| 			nodenames = spec.nodenames,
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| 			neighbors = spec.neighbors,
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| 			interval  = spec.interval,
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| 			chance    = spec.chance,
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| 			action = function(pos, node, active_object_count, active_object_count_wider)
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| 				local starttime = core.get_us_time()
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| 				spec.action(pos, node, active_object_count, active_object_count_wider)
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| 				local delta = core.get_us_time() - starttime
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| 				mod_statistics.log_time("abm", modname, delta)
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| 			end
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| 		}
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| 		rp_register_abm(replacement_spec)
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| 	end
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| 	
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| 	core.log("action", "Mod profiling initialized")
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| end
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| 
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| initialize_profiling()
 |