[squeak-dev] Re: Mac VM hanging

Bob Arning arning at charm.net
Tue Jul 5 01:14:46 UTC 2011


Levente,

Activity Monitor shows it using about 49meg at the point it hangs. If I 
start it and then interrupt it before it hangs, then I get something like:

uptime            0h4m27s
memory            35,522,568 bytes
     old            30,941,924 bytes (87.1%)
     young        798,984 bytes (2.2%)
     used        31,740,908 bytes (89.4%)
     free        3,781,660 bytes (10.6%)
GCs                24,668 (11ms between GCs)
     full            67 totalling 4,084,862ms (1529.0% uptime), avg 
60968.0ms
     incr        24601 totalling 11,282,861ms (4223.0% uptime), avg 459.0ms
     tenures        5,180 (avg 4 GCs/tenure)
Since last view    595 (53ms between GCs)
     uptime        31.4s
     full            1 totalling 69,032ms (220.0% uptime), avg 69032.0ms
     incr        594 totalling 1,366,410ms (4355.0% uptime), avg 2300.0ms
     tenures        14 (avg 42 GCs/tenure)

So, not a great deal of memory.

And, while we are looking at this, any ideas why the wild numbers for 
duration of full and incremental gc's?

Cheers,
Bob



On 7/4/11 8:36 PM, Levente Uzonyi-2 [via Smalltalk] wrote:
> On Wed, 29 Jun 2011, Bob Arning wrote:
>
> >
> > David T. Lewis wrote:
> >>
> >> Is there a code snippet you can share to reproduce?
> >>
> >
> > Here is a small (but not quite minimal) changeset that demonstrates the
> > issue in a clean 4.2 all-in-one.
>
> It works on windows using CogVM (r2382). How much memory does your image
> use?
>
>
> Levente
>
> >
> > Cheers,
> > Bob
> >
> > http://dl.dropbox.com/u/28914094/SE001.1.cs.gz
> > http://dl.dropbox.com/u/28914094/SE001.1.cs.gz
> >
> > --
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> >
> >
>
>
>
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