From a9c43aaa19b906556ca66aec57c9273d837cbd69 Mon Sep 17 00:00:00 2001 From: PowLu <1144983626@qq.com> Date: Fri, 27 Mar 2026 11:27:04 +0800 Subject: [PATCH] =?UTF-8?q?Sync:=20create=E3=80=8A=E5=AE=9A=E6=98=8C?= =?UTF-8?q?=E6=9D=BF=E7=AB=AFUbuntu=E7=B3=BB=E7=BB=9F=E4=BD=BF=E7=94=A8?= =?UTF-8?q?=E8=A7=86=E9=A2=91=E6=95=99=E7=A8=8B=E3=80=8B?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- notedown/notes/b/befa95c4605e0f82.md | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 notedown/notes/b/befa95c4605e0f82.md diff --git a/notedown/notes/b/befa95c4605e0f82.md b/notedown/notes/b/befa95c4605e0f82.md new file mode 100644 index 0000000..39f3ccc --- /dev/null +++ b/notedown/notes/b/befa95c4605e0f82.md @@ -0,0 +1,18 @@ +--- +id: "befa95c4605e0f82" +title: "定昌板端Ubuntu系统使用视频教程" +url: "http://wikicn.gzdcsmt.com/wendang_id_47.html#son0" +favicon: "http://wikicn.gzdcsmt.com/favicon.ico" +tags: [] +createdAt: "2026-03-27T03:26:50.568Z" +updatedAt: "2026-03-27T03:26:58.131Z" +contentType: "markdown" +version: 1 +byline: "广州定昌电子" +publishedTime: "2026-03-27T03:26:50.567Z" +--- + +查看 RK3576 平台上 RKRGA 硬件加速引擎的运行状态、负载情况及当前占用它的进程,输出信息是内核通过 debugfs(调试文件系统)提供的调试数据,方便定位图像 / 视频处理相关的性能问题。 +  RKRGA 是 Rockchip Raster Graphic Accelerator(瑞芯微光栅图形加速器)的缩写,是 RK 芯片内置的硬件加速模块,专门负责高效处理图像 / 视频的缩放、旋转、格式转换、叠加等操作(比如 AI 视觉应用中的图像预处理、视频播放的画面缩放),能减轻 CPU/GPU 负担,提升处理效率。 +  /sys/kernel/debug/rkrga/load 是内核为 RKRGA 提供的 调试接口文件,通过读取它可以获取 RKRGA 的实时运行状态。 +  逐行解释输出内容