linux-kernel - Re: [PATCH v7 7/7] perf/amd/iommu: Enable support for multiple IOMMUs

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Date:   Fri, 13 Jan 2017 12:49:25 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
Cc:     linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        joro@...tes.org, peterz@...radead.org, mingo@...hat.com
Subject: Re: [PATCH v7 7/7] perf/amd/iommu: Enable support for multiple IOMMUs

On Fri, Jan 13, 2017 at 05:24:01PM +0700, Suravee Suthikulpanit wrote:
> IIUC, Perf tools looks at the /sys/devices/xxxxx to identify
> availalble PMUs. Are you planning to have perf tools look at
> /sys/devices/system/iommu/xxx instead?

No, I'm planning to understand what do you mean exactly. Because the
PMUs are, as I'm being pointed to, here:

#define EVENT_SOURCE_DEVICE_PATH "/bus/event_source/devices/"

Do you mean that, per chance?

-- 
Regards/Gruss,
    Boris.

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