I am the wrong person to do such an investigation - I am no Solaris
kernel internals expert.

Olga

2010/7/14 Bart Smaalders <bart.smaald...@oracle.com>:
> On 07/13/10 17:14, ольга крыжановская wrote:
>>
>> Nicolas, I know that posix_spawn exists now in Solaris.
>> But I measured that it has no benefit over the traditional vfork and
>> exec sequence of calls, but the authors of posix_spawn designed it to
>> be an improvement if *implemented* in the kernel. The lack of
>> performance difference between posix_spawn and vfork,exec and the
>> *very* bad performance of vfork,exec on Solaris - compared to Linux on
>> the same hardware, where 2.6.25.20-0.5-default can spawn utilities al
>> most 70% faster than Opensolaris B134 - has lead to my request to find
>> some one to try and improve the situation.
>>
>
> What does DTrace tell you about where the time is being spent?
> Instead of asserting where the problem is in email, how about
> doing some investigation?
>
> - Bart
>
>
> --
> Bart Smaalders                  Solaris Kernel Performance
> bart.smaald...@oracle.com       http://blogs.sun.com/barts
> "You will contribute more with mercurial than with thunderbird."
>



-- 
      ,   _                                    _   ,
     { \/`o;====-    Olga Kryzhanovska   -====;o`\/ }
.----'-/`-/     olga.kryzhanov...@gmail.com   \-`\-'----.
 `'-..-| /       http://twitter.com/fleyta     \ |-..-'`
      /\/\     Solaris/BSD//C/C++ programmer   /\/\
      `--`                                      `--`
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