linux-kernel - Re: [PATCH v3] riscv: dts: allwinner: d1: Add PMU event node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20230827-frighten-casket-561437347911@spud>
Date:   Sun, 27 Aug 2023 13:25:48 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Inochi Amaoto <inochiama@...look.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Heiko Stuebner <heiko@...ech.de>, Wei Fu <wefu@...hat.com>,
        Pei Chen <cp0613@...ux.alibaba.com>,
        Wenhan Chen <chenwenhan.cwh@...baba-inc.com>,
        Guo Ren <guoren@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] riscv: dts: allwinner: d1: Add PMU event node

On Sun, Aug 27, 2023 at 02:45:01PM +0800, Inochi Amaoto wrote:
> D1 has several pmu events supported by opensbi.
> These events can be used by perf for profiling.
> 
> Signed-off-by: Inochi Amaoto <inochiama@...look.com>
> Link: https://dl.linux-sunxi.org/D1/Xuantie_C906_R1S0_User_Manual.pdf
> ---
> changed from v2:
> 1. move pmu node from /soc to / to avoid warnings when cheching.
> 
> The meaning of T-HEAD events can be found in this pending patch:
> https://lore.kernel.org/linux-perf-users/IA1PR20MB4953DD82D0116EC291C21777BBE2A@IA1PR20MB4953.namprd20.prod.outlook.com
> 
> The patch above also provides a example that shows how to setup
> environment and use perf with T-HEAD events.

Acked-by: Conor Dooley <conor.dooley@...rochip.com>

Thanks,
Conor.

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)