From: Greg KH <gregkh@linuxfoundation.org>
To: Anup Patel <apatel@ventanamicro.com>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Ian Rogers <irogers@google.com>, Alexandre Ghiti <alex@ghiti.fr>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Namhyung Kim <namhyung@kernel.org>,
Mark Rutland <mark.rutland@arm.com>, Jiri Olsa <jolsa@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Liang Kan <kan.liang@linux.intel.com>,
Mayuresh Chitale <mchitale@gmail.com>,
Anup Patel <anup@brainfault.org>,
Atish Patra <atish.patra@linux.dev>,
Andrew Jones <ajones@ventanamicro.com>,
Sunil V L <sunilvl@ventanamicro.com>,
linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/11] Linux RISC-V trace framework and drivers
Date: Thu, 2 Oct 2025 08:26:42 +0200 [thread overview]
Message-ID: <2025100208-challenge-protrude-d6c3@gregkh> (raw)
In-Reply-To: <20251002060732.100213-1-apatel@ventanamicro.com>
On Thu, Oct 02, 2025 at 11:37:21AM +0530, Anup Patel wrote:
> This series adds initial support for RISC-V trace framework and drivers.
> The RISC-V trace v1.0 specification is already ratified and can be found at:
> https://github.com/riscv-non-isa/e-trace-encap/releases/tag/v1.0.0-ratified
> https://github.com/riscv-non-isa/tg-nexus-trace/releases/tag/1.0_Ratified
>
> The RISC-V trace framework and drivers are designed to be agnostic to the
> underlying trace protocol hence both RISC-V E-trace and RISC-V N-trace should
> work fine. The discovery of trace protocl parameters are left to user-space
> trace decoder.
>
> In ther future, there will be subsequent series adding:
> 1) Sysfs support
why does "trace" need sysfs support? No other cpu platform uses that
today, so why is a new user/kernel api needed?
thanks,
greg k-h
next prev parent reply other threads:[~2025-10-02 6:26 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-02 6:07 [PATCH 00/11] Linux RISC-V trace framework and drivers Anup Patel
2025-10-02 6:07 ` [PATCH 01/11] dt-bindings: Add RISC-V trace component bindings Anup Patel
2025-10-02 19:25 ` Rob Herring
2025-10-09 13:34 ` Anup Patel
2025-10-02 6:07 ` [PATCH 02/11] rvtrace: Initial implementation of driver framework Anup Patel
2025-10-11 1:07 ` Bo Gan
2025-10-30 8:37 ` Anup Patel
2025-10-02 6:07 ` [PATCH 03/11] rvtrace: Add functions to create/destroy a trace component path Anup Patel
2025-10-02 6:07 ` [PATCH 04/11] rvtrace: Add functions to start/stop tracing on a " Anup Patel
2025-10-08 9:13 ` Bo Gan
2025-10-13 3:43 ` Anup Patel
2025-10-13 4:52 ` Bo Gan
2025-10-14 8:10 ` Mayuresh Chitale
2025-10-14 8:59 ` Bo Gan
2025-10-02 6:07 ` [PATCH 05/11] rvtrace: Add trace encoder driver Anup Patel
2025-10-07 7:09 ` Bo Gan
2025-10-08 8:48 ` Bo Gan
[not found] ` <CAN37VV7uBkRzYsQcgGtw_iFg=za91OH7_1OSJ+b8eeuCzL5iDw@mail.gmail.com>
2025-10-08 9:51 ` Bo Gan
2025-10-02 6:07 ` [PATCH 06/11] rvtrace: Add function to copy into perf AUX buffer Anup Patel
2025-10-02 6:07 ` [PATCH 07/11] rvtrace: Add trace ramsink driver Anup Patel
2025-10-07 7:49 ` Bo Gan
[not found] ` <CAN37VV5J2+gzpraR2NhaJBNfQ3dPsr-72Mmg03+ykcLoouZ8_Q@mail.gmail.com>
2025-10-11 0:41 ` Bo Gan
2025-10-13 13:38 ` Mayuresh Chitale
2025-10-02 6:07 ` [PATCH 08/11] rvtrace: Add perf driver for tracing using perf tool Anup Patel
2025-10-02 6:07 ` [PATCH 09/11] perf tools: Add RISC-V trace PMU record capabilities Anup Patel
2025-10-02 6:07 ` [PATCH 10/11] perf tools: Initial support for RISC-V trace decoder Anup Patel
2025-10-02 6:07 ` [PATCH 11/11] MAINTAINERS: Add entry for RISC-V trace framework and drivers Anup Patel
2025-10-02 6:26 ` Greg KH [this message]
2025-10-02 6:39 ` [PATCH 00/11] Linux " Anup Patel
2025-10-02 6:44 ` Greg KH
2025-10-02 20:42 ` Bo Gan
2025-10-03 4:15 ` Anup Patel
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