Tuesday, April 28, 2020
Tips And Tricks For Writing Linux Driver For Custom Xilinx Zynq
Tips And Tricks For Writing Linux Driver For Custom Xilinx ZynqWriting Linux driver for custom Xilinx Zynq device can be a complicated task and requires your expertise and skills. This is why I wrote this article with tips and tricks. I will give you an overview of some of the things that you have to look for while you are writing your own driver.* First of all, it is important to know how to check for potential problems in your Linux driver. There are a lot of Linux drivers out there and they have different requirements from one another. So, it is always good to compare their documentation and tests with yours. You can do this by either getting a programmer to write a few lines of test code and compare it to the other, or you can read the output of the tests and learn how the test expects to run your driver.* If you want to optimize your Linux driver for your devices, you have to take into account the power of the hardware that you are using. So, if you are not using a special optim ized kernel module, you might run into a problem with your CPU or you might encounter a power problem. In order to do this, you have to understand what the power draw is on your system. You can do this by installing a profiling tool like killstat, which will show you the average power draw over a period of time.* Power savings are very important when you are looking at a Linux driver for Zynq. The only way to get power savings is to put everything on the same hardware so that you can find out the power usage of your computer. For this, you can use software called fprofile. Basically, it allows you to set different profiles for different programs and it will basically track the power consumption of the program when it is running. This is an important part of Linux driver optimization because it helps you figure out where your power usage is heading and where you can improve it.* After optimizing your Linux driver, it is important to tune it. This means tuning your program, using the memory that it needs and other settings. For this, you can use your power and memory optimization tools to set the memory and power consumption of your program and this will help optimize your driver for your device. So, make sure that you are able to tune your drivers before you optimize it.* Writing a Linux driver for your custom Xilinx Zynq device can be challenging especially if you are not familiar with Linux at all. However, if you take your time, you will be able to optimize it and tune it properly. So, the more you know about the Linux kernel, the easier it will be for you to write a driver for your device. There are a lot of resources online that will guide you in writing the best Linux driver for your device and I highly recommend that you take advantage of them.There are a lot of things that you need to consider when you are writing Linux drivers for your custom Xilinx Zynq device. I have only given a brief overview of what you need to do so that you can start to optimize your driver. I hope that these tips and tricks will help you do just that and I look forward to your comments.
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