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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: florian.fainelli@broadcom.com, linux-perf-users@vger.kernel.org,
	linux-rpi-kernel@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, pbrobinson@gmail.com
Subject: Re: [PATCH v13 0/3] perf: Add Raspberry Pi AXI PMU driver
Date: Mon, 17 Aug 2026 09:26:06 +0200	[thread overview]
Message-ID: <7cc71fbf-425e-4047-94c5-3f06d3ed8905@kernel.org> (raw)
In-Reply-To: <CAP-5=fVffrRgO4OM6u=JTEUwBY0np+fUExqOpbiYU1JgyMr7Rw@mail.gmail.com>

On 17/08/2026 08:57, Ian Rogers wrote:
> On Sun, Aug 16, 2026 at 11:20 PM Krzysztof Kozlowski <krzk@kernel.org> wrote:
>>
>> On 15/08/2026 19:27, Ian Rogers wrote:
>>> Motivation & Background
>>> ==============================
>>> Currently, Linux lacks a standard perf-API compatible driver for the
>>> Broadcom AXI performance counter blocks on Raspberry Pi platforms. Prior
>>> out-of-tree vendor solutions relied on custom debugfs nodes and ad-hoc
>>> kthreads, preventing integration with standard Linux perf tooling (`perf stat`,
>>> `perf list`, etc.).
>>>
>>
>> Slow down!
>>
>> One version per 24h in normal cycle, not 13 patchsets in two days! (and
>> even rarer during the merge window)
> 
> I'm familiar with perf-tools which was set up to follow BPF's example,
> both have -next repos. The -next repos merge into linux-next for
> testing. I agree that cherry-picking shouldn't be done straight into a
> pull request to Linus. Is there a principle against using -next and
> linux-next?

How is this relevant? I don't think you read my comment.

Best regards,
Krzysztof


  reply	other threads:[~2026-08-17  7:26 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-11  8:38 [PATCH v1 0/2] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-11  8:38 ` [PATCH v1 1/2] perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-11 14:32   ` Uwe Kleine-König
2026-08-11  8:38 ` [PATCH v1 2/2] perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-11 23:51 ` [PATCH v2 0/2] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-11 23:51   ` [PATCH v2 1/2] perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-11 23:51   ` [PATCH v2 2/2] perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-12  0:27   ` [PATCH v3 0/2] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-12  0:27     ` [PATCH v3 1/2] perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-12  0:27     ` [PATCH v3 2/2] perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-12  5:24     ` [PATCH v4 0/2] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-12  5:24       ` [PATCH v4 1/2] perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-12  5:24       ` [PATCH v4 2/2] perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-12  8:27       ` [PATCH v4 0/2] perf: Add Raspberry Pi AXI PMU driver Will Deacon
2026-08-12 13:38         ` Ian Rogers
2026-08-12 16:26           ` Uwe Kleine-König
2026-08-12 21:37             ` Ian Rogers
2026-08-13  6:59               ` Uwe Kleine-König
2026-08-13  8:41           ` Will Deacon
2026-08-13 13:44             ` Ian Rogers
2026-08-13 15:01               ` Uwe Kleine-König
2026-08-13  9:08         ` Peter Robinson
2026-08-13 13:48           ` Ian Rogers
2026-08-13 16:34             ` Florian Fainelli
2026-08-13 17:56               ` Ian Rogers
2026-08-12 23:01       ` [PATCH v5 " Ian Rogers
2026-08-12 23:01         ` [PATCH v5 1/2] perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-12 23:01         ` [PATCH v5 2/2] perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-12 23:07         ` [PATCH v5 0/2] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-12 23:07         ` Ian Rogers
2026-08-12 23:07           ` [PATCH v5 1/2] perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-13  0:06             ` Florian Fainelli
2026-08-12 23:08           ` [PATCH v5 2/2] perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-13  4:35         ` [PATCH v6 0/2] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-13  4:35           ` [PATCH v6 1/2] perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-13  4:35           ` [PATCH v6 2/2] perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-13  5:24           ` [PATCH v7 0/2] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-13  5:24             ` [PATCH v7 1/2] perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-13  5:24             ` [PATCH v7 2/2] perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-13  6:42             ` [PATCH v8 0/2] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-13  6:42               ` [PATCH v8 1/2] perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-13  6:42               ` [PATCH v8 2/2] perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-13  7:30               ` [PATCH v9 0/2] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-13  7:30                 ` perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-13 17:31                   ` Florian Fainelli
2026-08-15  6:19                     ` Ian Rogers
2026-08-13  7:30                 ` perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-13  8:03                 ` [PATCH v10 0/2] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-13  8:03                 ` perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-13  8:03                 ` perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-13 14:26                 ` [PATCH v11 0/2] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-13 14:26                 ` perf: Add Raspberry Pi BCM2835 " Ian Rogers
2026-08-13 14:26                 ` perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-15  8:20                 ` [PATCH v12 0/3] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-15  8:20                   ` [PATCH v12 1/3] dt-bindings: perf: Add Broadcom Raspberry Pi AXI PMU definition Ian Rogers
2026-08-15  8:20                   ` [PATCH v12 2/3] perf: Add Raspberry Pi BCM2835 AXI PMU driver Ian Rogers
2026-08-15  8:20                   ` [PATCH v12 3/3] perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-15 17:27                   ` [PATCH v13 0/3] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-15 17:27                     ` [PATCH v13 1/3] dt-bindings: perf: Add Broadcom Raspberry Pi AXI PMU definition Ian Rogers
2026-08-17  6:19                       ` Krzysztof Kozlowski
2026-08-17  6:23                       ` Krzysztof Kozlowski
2026-08-17  6:59                         ` Ian Rogers
2026-08-17  7:27                           ` Krzysztof Kozlowski
2026-08-15 17:27                     ` [PATCH v13 2/3] perf: Add Raspberry Pi BCM2835 AXI PMU driver Ian Rogers
2026-08-15 17:27                     ` [PATCH v13 3/3] perf: Add Raspberry Pi 5 (BCM2712) AXI PMU support Ian Rogers
2026-08-15 18:40                     ` [PATCH v13 0/3] perf: Add Raspberry Pi AXI PMU driver Ian Rogers
2026-08-17  6:20                     ` Krzysztof Kozlowski
2026-08-17  6:57                       ` Ian Rogers
2026-08-17  7:26                         ` Krzysztof Kozlowski [this message]
2026-08-17  7:46                           ` Ian Rogers
2026-08-17  7:54                             ` Krzysztof Kozlowski

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