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Date: Fri, 20 Oct 2017 22:39:12 +1030
From: Marian Mihailescu <mihailescu2m@...il.com>
To: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Russell King <linux@...linux.org.uk>,
Kukjin Kim <kgene@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: dts: exynos: add cpu perf counters to Exynos54xx boards
Hi,
This patch enables support for ARM Performance Monitoring Units
available in Cortex-A7
and Cortex-A15 CPU cores for Exynos54xx SoCs (5410, 5420 and 5422/5800).
Exynos5410 currently has only Cortex-A7 nodes defined in the device tree,
so the Cortex-A15 PMU is defined in the exynos5420 device tree file.
Tested with perf on Odroid XU4 (Exynos5422):
armv7_cortex_a7 PMU driver: 5 counters available
armv7_cortex_a15 PMU driver: 7 counters available
Regards,
Marian
--
Either I've been missing something or nothing has been going on. (K. E. Gordon)
Download attachment "0001-ARM-dts-exynos-add-cpu-perf-counters-to-Exynos54xx-b.patch" of type "application/octet-stream" (2272 bytes)
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