binary tracing

[Masami Hiramatsu]

Hi, Martin

I'd like to test that. Could you post the implementing patch of
the binary tracing?

Martin Hunt wrote:
> I am implementing step 1, just replacing the _stp_printf with one that
> can write binary suing "%b". Numbers look good so far.
> 
> S : printf 5 integers            3926    2134    1633
> S : printf 10 integers           5667    3054    2325
> S : binary printf 5 integers     1937    1170     880
> S : binary printf 10 integers    2031    1203     925
> 
> I hacked up another test which says using the translator optimization
> Tom proposed could cut up to 150ns off the 5 integer results. Transport
> optimizations should cut those a bit further. Keep in mind, these
> include kprobe overhead which is
> 
> S : empty probe                  1575     789     589
> 
> Martin
> 
> 
> 
> 
-- 
Masami HIRAMATSU
2nd Research Dept.
Hitachi, Ltd., Systems Development Laboratory
E-mail: hiramatu@sdl.hitachi.co.jp