From owner-freebsd-mips@FreeBSD.ORG  Tue May 31 14:57:22 2011
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From: Warner Losh <imp@bsdimp.com>
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To: Adrian Chadd <adrian@FreeBSD.org>
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Cc: George Neville-Neil <gnn@neville-neil.com>, freebsd-mips@FreeBSD.org
Subject: Re: hwpmc and mips?
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Hey Adrian

I thought that gnn@ did some work here for mips24ish cores.  George?

Warner

On May 31, 2011, at 4:08 AM, Adrian Chadd wrote:

> On 31 May 2011 18:00, Adrian Chadd <adrian@freebsd.org> wrote:
> 
>> I'm likely going to look at this sometime after July (and I'm sure
>> it's just a case of hooking into the right IRQ handler) but if someone
>> beat me to it *hint*, I'd very much appreciate it.
> 
> To prove I'm not completely slack, I went spelunking through the
> source to see how hwpmc hooks into things.
> 
> There's no HWPMC_HOOKS used anywhere in sys/mips/* or sys/mips/*/*,
> save config files.
> 
> I thus have a feeling the hwpmc glue for sampling mode just isn't
> there for any MIPS core at the present time.
> 
> Would someone more versed in the ways of MIPS stack frame magic and
> trap handling care to take a stab at it?
> 
> Thanks,
> 
> 
> Adrian
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