From: "Heiko Stübner" <heiko@sntech.de>
To: linux-rockchip@lists.infradead.org,
Sascha Hauer <s.hauer@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
Chanwoo Choi <chanwoo@kernel.org>,
Kyungmin Park <kyungmin.park@samsung.com>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
kernel@pengutronix.de,
Michael Riesch <michael.riesch@wolfvision.net>,
Robin Murphy <robin.murphy@arm.com>,
Vincent Legoll <vincent.legoll@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
devicetree@vger.kernel.org,
Sebastian Reichel <sebastian.reichel@collabora.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Chanwoo Choi <cw00.choi@samsung.com>
Subject: Re: [PATCH v8 16/26] PM / devfreq: rockchip-dfi: Add perf support
Date: Wed, 18 Oct 2023 22:03:04 +0200 [thread overview]
Message-ID: <27832786.gRfpFWEtPU@diego> (raw)
In-Reply-To: <20231018061714.3553817-17-s.hauer@pengutronix.de>
Am Mittwoch, 18. Oktober 2023, 08:17:04 CEST schrieb Sascha Hauer:
> The DFI is a unit which is suitable for measuring DDR utilization, but
> so far it could only be used as an event driver for the DDR frequency
> scaling driver. This adds perf support to the DFI driver.
>
> Usage with the 'perf' tool can look like:
>
> perf stat -a -e rockchip_ddr/cycles/,\
> rockchip_ddr/read-bytes/,\
> rockchip_ddr/write-bytes/,\
> rockchip_ddr/bytes/ sleep 1
>
> Performance counter stats for 'system wide':
>
> 1582524826 rockchip_ddr/cycles/
> 1802.25 MB rockchip_ddr/read-bytes/
> 1793.72 MB rockchip_ddr/write-bytes/
> 3595.90 MB rockchip_ddr/bytes/
>
> 1.014369709 seconds time elapsed
>
> perf support has been tested on a RK3568 and a RK3399, the latter with
> dual channel DDR.
>
> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
> Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
next prev parent reply other threads:[~2023-10-18 20:03 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-18 6:16 [PATCH v8 00/26] Add perf support to the rockchip-dfi driver Sascha Hauer
2023-10-18 6:16 ` [PATCH v8 01/26] PM / devfreq: rockchip-dfi: Make pmu regmap mandatory Sascha Hauer
2023-10-18 14:51 ` Chanwoo Choi
2023-10-18 6:16 ` [PATCH v8 02/26] PM / devfreq: rockchip-dfi: Embed desc into private data struct Sascha Hauer
2023-10-18 14:51 ` Chanwoo Choi
2023-10-18 6:16 ` [PATCH v8 03/26] PM / devfreq: rockchip-dfi: use consistent name for " Sascha Hauer
2023-10-18 14:58 ` Chanwoo Choi
2023-10-18 6:16 ` [PATCH v8 04/26] PM / devfreq: rockchip-dfi: Add SoC specific init function Sascha Hauer
2023-10-18 14:58 ` Chanwoo Choi
2023-10-18 6:16 ` [PATCH v8 05/26] PM / devfreq: rockchip-dfi: dfi store raw values in counter struct Sascha Hauer
2023-10-18 15:05 ` Chanwoo Choi
2023-10-18 6:16 ` [PATCH v8 06/26] PM / devfreq: rockchip-dfi: Use free running counter Sascha Hauer
2023-10-19 11:34 ` 최찬우/Tizen Platform Lab(SR)/삼성전자
2023-10-18 6:16 ` [PATCH v8 07/26] PM / devfreq: rockchip-dfi: introduce channel mask Sascha Hauer
2023-10-18 15:05 ` Chanwoo Choi
2023-10-19 11:37 ` Chanwoo Choi
2023-10-18 6:16 ` [PATCH v8 08/26] PM / devfreq: rk3399_dmc,dfi: generalize DDRTYPE defines Sascha Hauer
2023-10-18 7:08 ` [PATCH v8 08/26] PM / devfreq: rk3399_dmc, dfi: " Sascha Hauer
2023-10-18 20:01 ` [PATCH v8 08/26] PM / devfreq: rk3399_dmc,dfi: " Heiko Stübner
2023-10-19 11:43 ` Chanwoo Choi
2023-10-18 6:16 ` [PATCH v8 09/26] PM / devfreq: rockchip-dfi: Clean up DDR type register defines Sascha Hauer
2023-10-19 11:44 ` Chanwoo Choi
2023-10-18 6:16 ` [PATCH v8 10/26] PM / devfreq: rockchip-dfi: Add RK3568 support Sascha Hauer
2023-10-18 15:05 ` Chanwoo Choi
2023-10-18 20:02 ` Heiko Stübner
2023-10-19 11:46 ` Chanwoo Choi
2023-10-18 6:16 ` [PATCH v8 11/26] PM / devfreq: rockchip-dfi: Handle LPDDR2 correctly Sascha Hauer
2023-10-18 15:06 ` Chanwoo Choi
2023-10-19 11:51 ` Chanwoo Choi
2023-10-18 6:17 ` [PATCH v8 12/26] PM / devfreq: rockchip-dfi: Handle LPDDR4X Sascha Hauer
2023-10-18 20:02 ` Heiko Stübner
2023-10-19 11:52 ` Chanwoo Choi
2023-10-18 6:17 ` [PATCH v8 13/26] PM / devfreq: rockchip-dfi: Pass private data struct to internal functions Sascha Hauer
2023-10-19 11:55 ` Chanwoo Choi
2023-10-18 6:17 ` [PATCH v8 14/26] PM / devfreq: rockchip-dfi: Prepare for multiple users Sascha Hauer
2023-10-19 11:58 ` Chanwoo Choi
2023-10-18 6:17 ` [PATCH v8 15/26] PM / devfreq: rockchip-dfi: give variable a better name Sascha Hauer
2023-10-19 11:59 ` Chanwoo Choi
2023-10-18 6:17 ` [PATCH v8 16/26] PM / devfreq: rockchip-dfi: Add perf support Sascha Hauer
2023-10-18 7:58 ` kernel test robot
2023-10-18 15:11 ` Chanwoo Choi
2023-10-19 6:52 ` Sascha Hauer
2023-10-18 20:03 ` Heiko Stübner [this message]
2023-10-19 6:48 ` [PATCH] " Sascha Hauer
2023-10-19 12:16 ` Chanwoo Choi
2023-10-18 6:17 ` [PATCH v8 17/26] PM / devfreq: rockchip-dfi: make register stride SoC specific Sascha Hauer
2023-10-18 15:11 ` Chanwoo Choi
2023-10-19 12:17 ` Chanwoo Choi
2023-10-18 6:17 ` [PATCH v8 18/26] PM / devfreq: rockchip-dfi: account for multiple DDRMON_CTRL registers Sascha Hauer
2023-10-18 15:11 ` Chanwoo Choi
2023-10-19 12:18 ` Chanwoo Choi
2023-10-18 6:17 ` [PATCH v8 19/26] PM / devfreq: rockchip-dfi: add support for RK3588 Sascha Hauer
2023-10-18 15:12 ` Chanwoo Choi
2023-10-19 12:21 ` Chanwoo Choi
2023-10-19 12:34 ` Chanwoo Choi
2023-10-18 20:03 ` Heiko Stübner
2023-10-18 6:17 ` [PATCH v8 20/26] dt-bindings: devfreq: event: convert Rockchip DFI binding to yaml Sascha Hauer
2023-10-19 12:24 ` Chanwoo Choi
2023-10-18 6:17 ` [PATCH v8 21/26] dt-bindings: devfreq: event: rockchip,dfi: Add rk3568 support Sascha Hauer
2023-10-19 12:27 ` Chanwoo Choi
2023-10-18 6:17 ` [PATCH v8 22/26] dt-bindings: devfreq: event: rockchip,dfi: Add rk3588 support Sascha Hauer
2023-10-19 12:27 ` Chanwoo Choi
2023-10-18 6:17 ` [PATCH v8 23/26] dt-bindings: soc: rockchip: grf: add rockchip,rk3588-pmugrf Sascha Hauer
2023-10-18 6:17 ` [PATCH v8 24/26] arm64: dts: rockchip: rk3399: Enable DFI Sascha Hauer
2023-10-18 6:17 ` [PATCH v8 25/26] arm64: dts: rockchip: rk356x: Add DFI Sascha Hauer
2023-10-18 6:17 ` [PATCH v8 26/26] arm64: dts: rockchip: rk3588s: " Sascha Hauer
2023-11-23 9:38 ` Jagan Teki
2023-10-18 15:21 ` [PATCH v8 00/26] Add perf support to the rockchip-dfi driver Chanwoo Choi
2023-10-18 20:06 ` Heiko Stübner
2023-10-19 8:54 ` (subset) " Heiko Stuebner
2023-10-19 14:05 ` Heiko Stuebner
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