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From: James Clark <james.clark@linaro.org>
To: Besar Wicaksono <bwicaksono@nvidia.com>,
	acme@kernel.org, namhyung@kernel.org, irogers@google.com
Cc: linux-tegra@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
	vsethi@nvidia.com, rwiley@nvidia.com, skelley@nvidia.com,
	mochs@nvidia.com, rajjoshi@nvidia.com, treding@nvidia.com,
	jonathanh@nvidia.com, john.garry@linux.dev, will@kernel.org,
	mike.leach@arm.com, leo.yan@linux.dev, mark.rutland@arm.com,
	alexander.shishkin@linux.intel.com, jolsa@kernel.org,
	adrian.hunter@intel.com, ctshao@google.com
Subject: Re: [PATCH 0/6] perf jevents: Add NVIDIA Tegra410 uncore PMU events and metrics
Date: Mon, 19 Oct 2026 18:23:16 +0100	[thread overview]
Message-ID: <21f58af0-fa3f-41c5-ab03-216c60fbe2f1@linaro.org> (raw)
In-Reply-To: <20261019164241.403644-1-bwicaksono@nvidia.com>



On 19/10/2026 17:42, Besar Wicaksono wrote:
> Add event aliases and derived metrics for the NVIDIA Tegra410 uncore
> PMUs.
> 
> The series covers the UCF, PCIe, PCIe target, CPU memory latency, and
> chip-to-chip interconnect PMUs. It provides symbolic names for the raw
> event encodings and metrics for bandwidth, frequency, and average read
> latency.
> 
> Patch 1 fixes a jevents ordering problem found with this layout: the
> uncore events live in arch/arm64/nvidia/t410/sys/, next to the T410 core
> events, and without the fix jevents puts the core tlb.json (which sorts
> after "sys") into the sys table, so its events are lost from perf list
> and perf stat.
> 
> Besar Wicaksono (6):
>    perf jevents: Process model files before sys subdirectories
>    perf jevents: Add support for NVIDIA Tegra410 UCF PMU aliasing
>    perf jevents: Add support for NVIDIA Tegra410 PCIE PMU aliasing
>    perf jevents: Add support for NVIDIA Tegra410 PCIE-TGT PMU aliasing
>    perf jevents: Add support for NVIDIA Tegra410 CPU Memory Latency PMU
>      aliasing
>    perf jevents: Add support for NVIDIA Tegra410 C2C PMU aliasing
> 
>   .../arm64/nvidia/t410/sys/uncore-cpu_mem.json |  48 ++
>   .../arm64/nvidia/t410/sys/uncore-nvclink.json |  75 ++
>   .../arm64/nvidia/t410/sys/uncore-nvdlink.json |  48 ++
>   .../nvidia/t410/sys/uncore-nvlink_c2c.json    | 129 ++++
>   .../arm64/nvidia/t410/sys/uncore-pcie.json    | 247 +++++++
>   .../nvidia/t410/sys/uncore-pcie_tgt.json      |  93 +++
>   .../arm64/nvidia/t410/sys/uncore-ucf.json     | 693 ++++++++++++++++++
>   tools/perf/pmu-events/jevents.py              |   4 +-
>   8 files changed, 1336 insertions(+), 1 deletion(-)
>   create mode 100644 tools/perf/pmu-events/arch/arm64/nvidia/t410/sys/uncore-cpu_mem.json
>   create mode 100644 tools/perf/pmu-events/arch/arm64/nvidia/t410/sys/uncore-nvclink.json
>   create mode 100644 tools/perf/pmu-events/arch/arm64/nvidia/t410/sys/uncore-nvdlink.json
>   create mode 100644 tools/perf/pmu-events/arch/arm64/nvidia/t410/sys/uncore-nvlink_c2c.json
>   create mode 100644 tools/perf/pmu-events/arch/arm64/nvidia/t410/sys/uncore-pcie.json
>   create mode 100644 tools/perf/pmu-events/arch/arm64/nvidia/t410/sys/uncore-pcie_tgt.json
>   create mode 100644 tools/perf/pmu-events/arch/arm64/nvidia/t410/sys/uncore-ucf.json
> 

Reviewed-by: James Clark <james.clark@linaro.org>

  parent reply	other threads:[~2026-10-19 17:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-19 16:42 Besar Wicaksono
2026-10-19 16:42 ` [PATCH 1/6] perf jevents: Process model files before sys subdirectories Besar Wicaksono
2026-10-19 16:42 ` [PATCH 2/6] perf jevents: Add support for NVIDIA Tegra410 UCF PMU aliasing Besar Wicaksono
2026-10-19 16:42 ` [PATCH 3/6] perf jevents: Add support for NVIDIA Tegra410 PCIE " Besar Wicaksono
2026-10-19 17:50   ` Chun-Tse Shao
2026-10-19 16:42 ` [PATCH 4/6] perf jevents: Add support for NVIDIA Tegra410 PCIE-TGT " Besar Wicaksono
2026-10-19 23:18   ` Ian Rogers
2026-10-20 22:01     ` Besar Wicaksono
2026-10-20 23:12       ` Chun-Tse Shao
2026-10-19 16:42 ` [PATCH 5/6] perf jevents: Add support for NVIDIA Tegra410 CPU Memory Latency " Besar Wicaksono
2026-10-19 16:42 ` [PATCH 6/6] perf jevents: Add support for NVIDIA Tegra410 C2C " Besar Wicaksono
2026-10-19 17:23 ` James Clark [this message]
2026-10-20 19:15   ` [PATCH 0/6] perf jevents: Add NVIDIA Tegra410 uncore PMU events and metrics Arnaldo Carvalho de Melo
2026-10-20 20:32     ` Ian Rogers
2026-10-20 20:38       ` Arnaldo Melo
2026-10-20 22:14       ` Besar Wicaksono

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