[dtrace-discuss] DTrace under Linux

[James Dickens]

On 2/14/07, James Dickens <jamesd.wi at gmail.com> wrote:
>
>
>
> On 2/14/07, 陶捷 (Euler Tao) <eulertao at gmail.com> wrote:
> >
> > Why do you say that SystemTap only is done on i386?
> > Does it means that, compared with DTrace, SystemTap is focused more on
> > hardware infomation?
> >
> > And it leads another question.
> > Does DTrace has two different kernel parts?
> > I means for the x86 and SPARC architecture, there're something different
> > inside the 2 DTraces?
>
>
>
> No Dtrace has not been ported to Linux, Systemtap is as close as it gets.
> DTrace is currently limited to x86/64 and Sparc, Systemtap currently
> supports  x86/64, PPC, and  s390 with its sparc implementation as well as
> others platforms not as well tested or as far along. Systemtap has no
> userland probes so its unable to probe user apps, something that google has
> had for close to 3 years now. With that said Systemtap is not as stable even
> on x86/s86 its primary platform as Dtrace is.
>

oops  i meant to type  something that DTrace has had for close to 3 years.
serves me right for posting without caffeine on board.


here are some links that compare DTrace and Systemtap
>
> http://uadmin.blogspot.com/2006/06/dtrace-vs-systemtap-for-administrator.html
>
>
> http://uadmin.blogspot.com/2005/09/systemtap-links.html
>
> http://uadmin.blogspot.com/2006/05/what-is-dtrace.html
>
> http://uadmin.blogspot.com/2006/09/systemtap-vs-dtrace-chart.html
>
>
> James Dickens
> uadmin.blogspot.com
>
>
>
>
> thanks a lot :)
> >
> > Regards
> >
> > T.J.
> >
> > 2007/2/14, Damian Wojslaw < damian at wojslaw.pl>:
> > >
> > > On Tue, 2007-02-13 at 00:37 +0800, 陶捷 (Euler Tao) wrote:
> > > > Dear All:
> > > >
> > > >         I heard that the Solaris' powerful tool, DTrace have been
> > > > ported into Linux platform.
> > > >         What's the name of that project? Where could I find its
> > > > homepage?
> > > >         And what's the name of this new linux tool.
> > >
> > > It wasn't and it probably will not be. Linux developers are coming
> > > with
> > > their own tool called systemtap, which homepage can be found here:
> > > http://sourceware.org/systemtap/ but as far as I know it lacks support
> > > for userland probing, works for this feature are only being done on
> > > i386
> > > architecture and it's documentation isn't as extensive as DTrace.
> > >
> > > Regards
> > >
> > > Damian Wojslaw
> > >
> > >
> >
> > _______________________________________________
> > dtrace-discuss mailing list
> > dtrace-discuss at opensolaris.org
> >
>
>
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