lua_prof
usage
for lua 5.2 profiling
notice
should compile lua 5.2 with [-fPIC]
test
local lua_prof = require("lua_prof")
local function is_prime(i)
k = math.sqrt(i)
for j = 2, k do
if i%j == 0 then
return false
else
j = j + 1
end
end
return true
end
local function all_prime(max)
local tb = {}
for i = 1, max do
if is_prime(i) then
table.insert(tb, i)
end
end
return tb
end
lua_prof.init()
local x = all_prime(100000)
local prof_ret = lua_prof.fini()
for _, v in ipairs(prof_ret) do
print(v)
end
result
function: all_prime
[Lua], [local ], times [1], total [369ms], avg [369228us]
function: is_prime
[Lua], [upvalue], times [100000], total [286ms], avg [2us]
function: sqrt
[C ], [field ], times [100000], total [53ms], avg [0us]
function: insert
[C ], [field ], times [9593], total [7ms], avg [0us]
function: fini
[C ], [field ], times [1], total [0ms], avg [0us]