Re: [RFC][PATCH v2 1/7] taskstats: Add new taskstats commandTASKSTATS_CMD_ATTR_PIDS

[Balbir Singh]

* Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> [2010-11-13 20:39:44]:

> On Thu, 2010-11-11 at 18:03 +0100, Michael Holzheu wrote:
> > +       if (cmd_pids->cnt > 1000) // XXX socket buffer size check
> 
> What's the implication of this limit? Does that mean that if there's
> more than 1000 tasks on the system the whole interface falls flat on its
> face or does that mean we get at most 1000 tasks worth of information
> per syscall?

Since the transport is not reliable, we need to ensure we don't drop
the data from the kernel and never receive it in user space or
partially receive it in user space.


-- 
	Three Cheers,
	Balbir
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