Re: profiling embedded lua

[Oskar Forsslund <matrixsmurfen@...>]

C:\Program Files (x86)\Lua\trace\lua>lua test\accumulate.lua

luatrace: tracing with C hook

wait a

wait b

wait a

wait b

wait a

wait b

C:\Program Files (x86)\Lua\trace\lua>luatrace.profile

C:\Program Files (x86)\Lua\trace\lua>lua -e "require('luatrace.profile').go()"

Total time 1215.33 microseconds

Times in microseconds

Top 20 lines by total time

File:line                  Hits    Total     Self    Child | Line

test\accumulate.lua:26        1  1215.00     1.33  1213.67 | a(6)

test\accumulate.lua:12        3   864.00   722.00   142.00 |   print("wait a")

test\accumulate.lua:14        2   783.00     0.67   782.33 |     return b(i-1)

test\accumulate.lua:20        3   581.00     1.00   580.00 |   if i > 1 then

test\accumulate.lua:19        3   489.33   489.33     0.00 |   print("wait b")

test\accumulate.lua:13        1     0.33     0.33     0.00 |   if i > 1 then

test\accumulate.lua:23        1     0.33     0.33     0.00 | end

test\accumulate.lua:27        1     0.33     0.33     0.00 | luatrace.troff()

Top 20 functions by self time

File:lines                 Hits    Total     Self    Child | Line

test\accumulate.lua:11-16     3  1213.67   723.00   490.67 | function a(i)

test\accumulate.lua:18-23     3   782.67   490.67   292.00 | function b(i)

test\accumulate.lua:0-0       1     1.67     1.67     0.00 | -

.\luatrace.lua:349-355        1     0.00     0.00     0.00 | -

C:\Program Files (x86)\Lua\trace\lua>

On Mon, Oct 10, 2011 at 9:51 PM, Geoff Leyland <geoff_leyland@fastmail.fm> wrote:

On 10/10/2011, at 10:16 PM, steve donovan wrote:

> On Mon, Oct 10, 2011 at 11:00 AM, Oskar Forsslund
> <matrixsmurfen@googlemail.com> wrote:
>> If I rewrite the command in luatrace.profile.bat from
>> lua -e 'require("luatrace.profile").go()'
>> to
>> lua -e "require('luatrace.profile').go()"
>> everything works fine.
>
> Yes, that's how it must be with Windows, where double-quote is always
> used for command-line arguments.

Changed.

On 10/10/2011, at 10:38 PM, Oskar Forsslund wrote:

> I get an error using the luatrace library from my code
>
> In my script file scriptfuncs.lua I have luatrace = require"luatrace" at the top
>
> In C++ I do the following:

> ...


Before you try this, have you just tried running it from Lua?

git pull, then cd to the lua directory of luatrace and

lua test/accumulate.lua
../sh/luatrace.profile

and see if that works.