[Vm-dev] Re: [squeak-dev] The Inbox: System-mt.697.mcz

Eliot Miranda eliot.miranda at gmail.com
Wed Jan 28 00:14:24 UTC 2015



On Jan 27, 2015, at 4:00 PM, "David T. Lewis" <lewis at mail.msen.com> wrote:

> 
> On Tue, Jan 27, 2015 at 01:51:52PM -0800, Eliot Miranda wrote:
>> 
>> On Tue, Jan 27, 2015 at 1:39 PM, Tobias Pape <Das.Linux at gmx.de> wrote:
>> 
>>> Hi,
>>> 
>>> On 27.01.2015, at 22:21, Levente Uzonyi <leves at elte.hu> wrote:
>>> 
>>>> AndreasSystemProfiler
>>> 
>>> This is not in trunk, right?
>>> If so, why?
>> 
>> It came from Qwaq/Terf so it ended up in
>> http://ss3.gemstone.com/ss/AndreasSystemProfiler.  Further, as Levente says
>> it depends on support that is in Cog VMs (JIT, Stack & Interpreter) but not
>> (yet) in the trunk Interpreter.  So I guess it doesn't belong in trunk
>> until the Cog Interpreter has been merged with the trunk Interpreter.
>> That's a fair amount of work, and neither David nor I have the time for it
>> right now.
> 
> I did spend some time last year trying to get the primitives working in
> trunk Interpreter, but I was a bit out of my depth and did not get it right.

Since the code is in the Cog Interpreter the right way to do this IMO us to port bug fixes to primitives etc into the Cog Interpreter and call the Cog VMMaker trunk.  Going the other way takes longer to get to the same place.

> 
> Reminder and background info is on Mantis at http://bugs.squeak.org/view.php?id=7746
> 
> As far as putting the profiler into trunk, I should think that there would
> be some way to have more than one profiler, and fall back to the old one
> if the VM does not provide the needed support for AndreasSystemProfiler.
> 
> This seems like a worthwhile thing to do. Anyone care to take it on?
> 
> Dave
> 


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