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[144.49.247.0]) by smtp-relay.gmail.com with ESMTPS id 98e67ed59e1d1-3931f28645esm278489a91.1.2026.08.12.17.06.09 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Aug 2026 17:06:10 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-qv1-f71.google.com with SMTP id 6a1803df08f44-907b38aaad2so15986886d6.1 for ; Wed, 12 Aug 2026 17:06:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1786579569; x=1787184369; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=Wx5qD1bTE3okJgcwPgCBz83Zocyi88FPJfPF28sTzWk=; b=U02cVyEMJv+uTjvEcfct7XPKPvUMmWWRt7d4cMQbC/nlhi6wizL3hwfwLzJYbjXbym CSh2gZ7lSWHnV3gQ3QZQAMTVS9In0rU6sgUq3fVHFKiaQqsY1yiV2BnThdn7ajtzGHte K9MFsOPCrPg+u64PLh/eFGdMI+rbK9OavN5k0= X-Forwarded-Encrypted: i=1; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e On 8/12/26 16:07, Ian Rogers wrote: > This commit adds an uncore performance monitoring unit (PMU) driver > for Broadcom BCM2835-BCM2711 AXI system monitors and VideoCore VPU firmware > mailbox monitors found on Raspberry Pi 1 through 4. Missing generative AI tags here? > > Signed-off-by: Ian Rogers > --- > drivers/perf/Kconfig | 10 + > drivers/perf/Makefile | 1 + > drivers/perf/rpi_axi_pmu.c | 1793 ++++++++++++++++++++++++++++++++++++ > 3 files changed, 1804 insertions(+) > create mode 100644 drivers/perf/rpi_axi_pmu.c This is more applicable to the second part of the patch, but the dependency on the Raspberry Pi firmware interface bothers me a bit. We have the AXI PMU blocks available on the 7712/77122 chips which are sister chips to the 2712, we don't run the Raspberry Pi firmware on those systems however. Once your patches land, I will see if I can get generative AI to help me add support for the two AXI PMUs that exist on those chips. Thanks for doing this! -- Florian