From: Will Deacon <will@kernel.org>
To: qiangqing.zhang@nxp.com, zhangshaokun@hisilicon.com,
mark.rutland@arm.com, Frank.li@nxp.com,
John Garry <john.garry@huawei.com>,
robh+dt@kernel.org
Cc: catalin.marinas@arm.com, kernel-team@android.com,
Will Deacon <will@kernel.org>,
acme@kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, irogers@google.com,
jolsa@redhat.com, devicetree@vger.kernel.org,
linuxarm@huawei.com
Subject: Re: [PATCH v2 0/4] perf drivers: Add sysfs identifier file
Date: Wed, 25 Nov 2020 15:44:06 +0000 [thread overview]
Message-ID: <160631703729.2332128.13220150013299384201.b4-ty@kernel.org> (raw)
In-Reply-To: <1602149181-237415-1-git-send-email-john.garry@huawei.com>
On Thu, 8 Oct 2020 17:26:17 +0800, John Garry wrote:
> To allow perf tool to identify a specific implementation of a PMU for
> event alias matching and metric support, expose a per-PMU identifier file.
>
> There is no standard format for the identifier string. It just should be
> unique per HW implementation.
>
> Typical methods to retrieve the information for the identifier string
> can include:
> - Hardcoding in the driver, matched via DT bindings compat string,
> ACPI HID, or similar
> - Directly from DT bindings property
> - Read from some HW identification register
>
> [...]
Applied the hisi and smmu parts to will (for-next/perf), thanks!
[1/4] drivers/perf: hisi: Add identifier sysfs file
https://git.kernel.org/will/c/ac4511c9364c
[...]
[4/4] perf/smmuv3: Support sysfs identifier file
https://git.kernel.org/will/c/2c255223362e
I've completely lost track of the imx ddr PMU, so I dropped those parts
(patch 3/4 seemed to remove a compatible string from the driver?).
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
next prev parent reply other threads:[~2020-11-25 15:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-08 9:26 [PATCH v2 0/4] perf drivers: Add sysfs identifier file John Garry
2020-10-08 9:26 ` [PATCH v2 1/4] drivers/perf: hisi: Add identifier sysfs file John Garry
2020-10-08 9:26 ` [PATCH v2 2/4] bindings/perf/imx-ddr: update compatible string John Garry
2020-10-12 9:58 ` Joakim Zhang
2020-10-08 9:26 ` [PATCH v2 3/4] perf/imx_ddr: Add system PMU identifier for userspace John Garry
2020-10-08 9:26 ` [PATCH v2 4/4] perf/smmuv3: Support sysfs identifier file John Garry
2020-11-06 13:36 ` [PATCH v2 0/4] perf drivers: Add " John Garry
2020-11-25 15:44 ` Will Deacon [this message]
2020-11-25 16:00 ` John Garry
2020-11-26 1:35 ` Joakim Zhang
2020-11-26 11:35 ` John Garry
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