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Date: Tue, 24 Feb 2009 08:32:32 -0800
From: "Roman V. Shaposhnik" <rvs@sun.com>
In-reply-to: <ac072e66c823fd6d649593efec9e221b@quanstro.net>
To: erik quanstrom <quanstro@quanstro.net>
Message-id: <1235493152.28500.536.camel@goose.sun.com>
References: <ac072e66c823fd6d649593efec9e221b@quanstro.net>
Cc: 9fans@9fans.net
Subject: Re: [9fans] Calling vac from C
Topicbox-Message-UUID: a7b098fa-ead4-11e9-9d60-3106f5b1d025

On Tue, 2009-02-24 at 11:22 -0500, erik quanstrom wrote:
> > > cfork is ~525 lines long and seems to take the curious tack of
> > > forking all the lwps associated with a process.
> >
> > that would be forkall(), not fork1()/fork()
>
> my mistake.  i assumed that since isfork1 was
> a flag, that it was not the normal path through
> the code.  silly me.
>
> so where's the mythical accounting?

It could have been the "old" accounting. Solaris 10
changed a lot of that and made things like microstate
accounting on by default, thus, possibly eliminating
the kind of bottlenecks the instructor was referring
to. More on that here:
   http://blogs.sun.com/eschrock/entry/microstate_accounting_in_solaris_10

Thanks,
Roman.