From: Will Deacon <will@kernel.org>
To: Robin Murphy <robin.murphy@arm.com>
Cc: mark.rutland@arm.com, linux-perf-users@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] perf/arm_cspmu: Add Arm system PMU
Date: Sun, 4 Oct 2026 18:26:08 +0100 [thread overview]
Message-ID: <asKMMAvyAbT5mGJd@willie-the-truck> (raw)
In-Reply-To: <84a65061841c8870375ee6b0621dd3f61651763d.1788970980.git.robin.murphy@arm.com>
On Wed, Sep 09, 2026 at 05:23:00PM +0100, Robin Murphy wrote:
> Arm's latest Compute Subsystems and SoCs are using a common PMU block
> in various places which can mostly just be driven as a generic 64-bit
> CoreSight PMU, but does have an IMP-DEF register for additional
> filtering. The details of event and filter encodings depend on the
> particular PMU instance, so are left to the higher level Arm Telemetry
> Solution tooling.
>
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> ---
> drivers/perf/arm_cspmu/Kconfig | 7 +++
> drivers/perf/arm_cspmu/Makefile | 1 +
> drivers/perf/arm_cspmu/arm_cspmu.c | 7 +++
> drivers/perf/arm_cspmu/arm_cspmu.h | 1 +
> drivers/perf/arm_cspmu/arm_syspmu.c | 67 +++++++++++++++++++++++++++++
> 5 files changed, 83 insertions(+)
> create mode 100644 drivers/perf/arm_cspmu/arm_syspmu.c
Sashiko failed to apply this and so did I :/
What is it based on?
Will
next prev parent reply other threads:[~2026-10-04 17:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-09 16:23 [PATCH] perf/arm_cspmu: Add Arm system PMU Robin Murphy
2026-10-04 17:26 ` Will Deacon [this message]
2026-10-05 12:29 ` Robin Murphy
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