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[ANN] DTrace for Squeak/Pharo

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Adrian Lienhard

[ANN] DTrace for Squeak/Pharo

Now there's also a DTrace provider for the Squeak VM:

http://www.adrian-lienhard.ch/blog?dialog=smalltak-meets-dtrace

DTrace is a powerful, kernel-based dynamic tracing framework. With the new provider one can analyze the execution of Pharo/Squeak applications.

My post is an introduction that should get you quickly started. I've attached a pre-compiled VM for OS X.

Hope you like it :)

Cheers,
Adrian
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Mariano Martinez Peck

Re: [Vm-dev] [ANN] DTrace for Squeak/Pharo

Hi Adrian, this sounds AMAZING. I am reading the post and trying to make it work, but have a problem trying to lunch start.command
I have Mac OS 10.5.8

/Users/mariano/Pharo/VM/pharo-dtrace/start.command ; exit;
SQUEAK_ENCODING=UTF-8
SQUEAK_PATHENC=UTF-8
SQUEAK_PLUGINS=/Users/mariano/Pharo/VM/pharo-dtrace/VM/%n
+ exec /Users/mariano/Pharo/VM/pharo-dtrace/VM/squeakvm PharoCore-1.0.image
dyld: unknown required load command 0x80000022
/Users/mariano/Pharo/VM/pharo-dtrace/start.command: line 4: 8676 Trace/BPT trap ./VM/squeak PharoCore-1.0.image
logout

[Process completed]

any hints?

Thanks!

Mariano

On Tue, May 11, 2010 at 9:13 AM, Adrian Lienhard <[hidden email]> wrote:

Now there's also a DTrace provider for the Squeak VM:

http://www.adrian-lienhard.ch/blog?dialog=smalltak-meets-dtrace

DTrace is a powerful, kernel-based dynamic tracing framework. With the new provider one can analyze the execution of Pharo/Squeak applications.

My post is an introduction that should get you quickly started. I've attached a pre-compiled VM for OS X.

Hope you like it :)

Cheers,
Adrian
___________________
http://www.adrian-lienhard.ch/

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Pharo-project mailing list
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http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project

johnmci

Re: [Vm-dev] [ANN] DTrace for Squeak/Pharo

In reply to this post by Adrian Lienhard

Ah, nice, yes very nice.

One interesting one to have a probe for would be ioShowDisplayOnWindow so one can understand how much screen drawing goes on.

On 2010-05-11, at 12:13 AM, Adrian Lienhard wrote:

>
> Now there's also a DTrace provider for the Squeak VM:
>
> http://www.adrian-lienhard.ch/blog?dialog=smalltak-meets-dtrace
>
> DTrace is a powerful, kernel-based dynamic tracing framework. With the new provider one can analyze the execution of Pharo/Squeak applications.
>
> My post is an introduction that should get you quickly started. I've attached a pre-compiled VM for OS X.
>
> Hope you like it :)
>
> Cheers,
> Adrian
> ___________________
> http://www.adrian-lienhard.ch/
>

--
===========================================================================
John M. McIntosh <[hidden email]> Twitter: squeaker68882
Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com
===========================================================================

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Adrian Lienhard

Re: [Vm-dev] [ANN] DTrace for Squeak/Pharo

Hi John,

DTrace on my unix VM thinks it does not know ioShowDisplayOnWindow (I guess because I use X11 display). With a Mac VM I it works. To trace ioShowDisplayOnWindow you don't need a dedicated probe (and hence no specialized VM). The DTrace "pid" provider allows you to trace any function entry (and return):

pid$target::ioShowDisplayOnWindow:entry
{
printf("%s'%s\n", probemod, probefunc);
}

Cheers,
Adrian

On May 11, 2010, at 19:03 , John M McIntosh wrote:

> Ah, nice, yes very nice.
>
> One interesting one to have a probe for would be ioShowDisplayOnWindow so one can understand how much screen drawing goes on.
>
> On 2010-05-11, at 12:13 AM, Adrian Lienhard wrote:
>
>>
>> Now there's also a DTrace provider for the Squeak VM:
>>
>> http://www.adrian-lienhard.ch/blog?dialog=smalltak-meets-dtrace
>>
>> DTrace is a powerful, kernel-based dynamic tracing framework. With the new provider one can analyze the execution of Pharo/Squeak applications.
>>
>> My post is an introduction that should get you quickly started. I've attached a pre-compiled VM for OS X.
>>
>> Hope you like it :)
>>
>> Cheers,
>> Adrian
>> ___________________
>> http://www.adrian-lienhard.ch/
>>
>
> --
> ===========================================================================
> John M. McIntosh <[hidden email]> Twitter: squeaker68882
> Corporate Smalltalk Consulting Ltd. http://www.smalltalkconsulting.com
> ===========================================================================
>
>
>
>

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