local LuaProfiler = {}

-- --TODO 实现一个机制能够分别查看每个模块的内存增长
-- local _require = require
-- local function require(name, ...)
-- 	local before = collectgarbage('count')
-- 	local mod =_require(name, ...)
-- 	local after = collectgarbage("count")
-- 	local diff = after - before
-- 	if diff > 128 then
-- 		print(name, '+', diff/1024, after/1024)
-- 	end
-- 	return mod
-- end

function LuaProfiler.SampleMemory(mod)
	local k = string.gsub(mod, "/", ".")
	package.loaded[k] = nil
	collectgarbage()
	local count = collectgarbage("count")
	require(mod)
	return collectgarbage("count") - count
end

function LuaProfiler.SampleTime(repTimes, func, ...)
    local start = os.clock()
	for i = 1, repTimes or 1 do
		func(...)
	end
	local stop = os.clock()
    return math.modf((stop - start) * 1000)
end

return LuaProfiler