BlockColor-Engine/builtin/profiler.lua

67 lines
1.8 KiB
Lua

local ffi
-- there's no ffi in Lua, only in LuaJIT
-- when Freeminer is run with Lua the profiler is not available because we can't access precise timer
if not pcall(function() ffi = require("ffi") end) then
return
end
ffi.cdef[[
unsigned int get_time_us();
]]
local modpath = multicraft.get_builtin_path()..DIR_DELIM
package.path = package.path .. ";" .. modpath .. "/?.lua"
ProFi = require 'ProFi'
local function get_time_precise()
return ffi.C.get_time_us() / 1000000
end
ProFi:setGetTimeMethod(get_time_precise)
local started = false
local function start_profiler()
ProFi:start()
started = true
end
if freeminer.setting_getbool("profiler_autostart") then
start_profiler()
freeminer.after(3, function()
freeminer.chat_send_all("The profiler was started. If you don't want this, set " .. freeminer.colorize("61ad6d", "profiler_autostart")
.. " to false in " .. freeminer.colorize("61ad6d", "freeminer.conf"))
end)
end
freeminer.register_chatcommand("profiler_stop", {
description = "stop the profiler and write report",
privs = {server=true},
func = function(name)
if not started then
freeminer.chat_send_player(name, "Profiler has not been started. You can start it using " .. freeminer.colorize("00ffff", "/profiler_start"))
return
end
ProFi:stop()
ProFi:writeReport("profile.txt")
freeminer.chat_send_player(name, "Profiler is stopped.")
end,
})
freeminer.register_chatcommand("profiler_start", {
description = "start the profiler",
privs = {server=true},
func = function(name)
if started then
freeminer.chat_send_player(name, "Profiler is already running.")
return
end
start_profiler()
freeminer.chat_send_player(name, "Profiler is started.")
end
})