flm01/openwrt/packages/luci/host/usr/lib/lua/luci/debug.lua

26 lines
666 B
Lua

local debug = require "debug"
local io = require "io"
local collectgarbage = collectgarbage
module "luci.debug"
__file__ = debug.getinfo(1, 'S').source:sub(2)
-- Enables the memory tracer with given flags and returns a function to disable the tracer again
function trap_memtrace(flags)
flags = flags or "l"
local tracefile = io.open("/tmp/memtrace", "w")
local function trap(what, line)
local info = debug.getinfo(2, "Sn")
tracefile:write(info.source..":"..line.."\t"..(info.namewhat or "").."\t"..(info.name or "").."\t"..collectgarbage("count").."\n")
end
debug.sethook(trap, flags)
return function()
debug.sethook()
tracefile:close()
end
end