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parrot -t leaks like a sieve
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Dan Sugalski  
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 More options Nov 1 2004, 2:22 pm
Newsgroups: perl.perl6.internals
From: parrotbug-follo...@parrotcode.org (Dan Sugalski)
Date: Mon, 01 Nov 2004 11:22:41 -0800
Local: Mon, Nov 1 2004 2:22 pm
Subject: [perl #32270] parrot -t leaks like a sieve
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# New Ticket Created by  Dan Sugalski
# Please include the string:  [perl #32270]
# in the subject line of all future correspondence about this issue.
# <URL: http://rt.perl.org:80/rt3/Ticket/Display.html?id=32270 >

Throwing the trace switch on makes parrot leak. A *lot*. Processes
that top out at 100M VSIZE hit 1G or more, which, well... it ain't
good. Tracing's slow enough as it is without the added hit of
swapping and ever-increasing memory usage.
--
                                Dan

--------------------------------------it's like this-------------------
Dan Sugalski                          even samurai
d...@sidhe.org                         have teddy bears and even
                                       teddy bears get drunk


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Leopold Toetsch  
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 More options Nov 3 2004, 5:57 am
Newsgroups: perl.perl6.internals
From: l...@toetsch.at (Leopold Toetsch)
Date: Wed, 3 Nov 2004 11:57:52 +0100
Local: Wed, Nov 3 2004 5:57 am
Subject: Re: [perl #32270] parrot -t leaks like a sieve
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Dan Sugalski <parrotbug-follo...@parrotcode.org> wrote:
> Throwing the trace switch on makes parrot leak. A *lot*. Processes
> that top out at 100M VSIZE hit 1G or more, which, well... it ain't
> good. Tracing's slow enough as it is without the added hit of
> swapping and ever-increasing memory usage.

Yep. Tracing is using PIO_eprintf(), which finally is calling
Parrot_vsprintf_s(). Around that function call GC was disabled, so no
buffer memory got recycled, as the vast majority of buffer allocations
is coming from the trace.

Fixed.

leo


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Dan Sugalski  
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 More options Nov 3 2004, 10:09 am
Newsgroups: perl.perl6.internals
From: d...@sidhe.org (Dan Sugalski)
Date: Wed, 3 Nov 2004 10:09:32 -0500
Local: Wed, Nov 3 2004 10:09 am
Subject: Re: [perl #32270] parrot -t leaks like a sieve
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At 11:57 AM +0100 11/3/04, Leopold Toetsch wrote:

>Dan Sugalski <parrotbug-follo...@parrotcode.org> wrote:

>>  Throwing the trace switch on makes parrot leak. A *lot*. Processes
>>  that top out at 100M VSIZE hit 1G or more, which, well... it ain't
>>  good. Tracing's slow enough as it is without the added hit of
>>  swapping and ever-increasing memory usage.

>Yep. Tracing is using PIO_eprintf(), which finally is calling
>Parrot_vsprintf_s(). Around that function call GC was disabled, so no
>buffer memory got recycled, as the vast majority of buffer allocations
>is coming from the trace.

>Fixed.

Cool, thanks.
--
                                Dan

--------------------------------------it's like this-------------------
Dan Sugalski                          even samurai
d...@sidhe.org                         have teddy bears and even
                                       teddy bears get drunk


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