Re: [PATCH 1/2] perf: Add persistent event facilities

From: Borislav Petkov
Date: Fri May 18 2012 - 06:02:03 EST


On Fri, May 18, 2012 at 11:58:58AM +0200, Peter Zijlstra wrote:
> On Wed, 2012-03-21 at 15:34 +0100, Borislav Petkov wrote:
> > Add a barebones implementation for registering persistent events with
> > perf. For that, we don't destroy the buffers when they're unmapped;
> > also, we map them read-only so that multiple agents can access them.
>
> Yet you don't fail mmap() for VM_WRITE && ->persistent.

I better go fix that after we've agreed on the overall design.

Thanks Peter.

--
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/