add response test mode

lualib/skynet.lua

@@ -178,6 +178,23 @@ function suspend(co, result, command, param, size)
 		end
 		local f = param
 		local function response(ok, ...)
+			if ok == "TEST" then
+				if dead_service[co_address] then
+					release_watching(co_address)
+					f = false
+					return false
+				else
+					return true
+				end
+			end
+			if not f then
+				if f == false then
+					f = nil
+					return false
+				end
+				error "Can't response more than once"
+			end
+
 			local ret
 			if not dead_service[co_address] then
 				if ok then

test/testecho.lua

@@ -0,0 +1,44 @@
+local skynet = require "skynet"
+
+local mode = ...
+
+if mode == "slave" then
+
+skynet.start(function()
+	skynet.dispatch("lua", function(_,_, ...)
+		skynet.ret(skynet.pack(...))
+	end)
+end)
+
+else
+
+skynet.start(function()
+	local slave = skynet.newservice(SERVICE_NAME, "slave")
+	local n = 100000
+	local start = skynet.now()
+	print("call salve", n, "times in queue")
+	for i=1,n do
+		skynet.call(slave, "lua")
+	end
+	print("qps = ", n/ (skynet.now() - start) * 100)
+
+	start = skynet.now()
+
+	local worker = 10
+	local task = n/worker
+	print("call salve", n, "times in parallel, worker = ", worker)
+
+	for i=1,worker do
+		skynet.fork(function()
+			for i=1,task do
+				skynet.call(slave, "lua")
+			end
+			worker = worker -1
+			if worker == 0 then
+				print("qps = ", n/ (skynet.now() - start) * 100)
+			end
+		end)
+	end
+end)
+
+end