Chrome.system.cpu API使用 [英] Chrome.system.cpu API Usage

问题描述

是否可以使用chrome.system.cpu api来获取当前的CPU负载？我特别想不出如何将返回的数字转换为当前总负载的百分比。

我发现了这一点，但不太清楚如何实现：调用者可以计算负载分数，方法是进行两次调用，减去次数，再除以totalTime中的差值。

https://developer.chrome.com/apps/system_cpu

Answer ：
获取CPU使用率的示例如下： https://github.com/beaufortfrancois/cog-chrome-app/blob/master/src/main.js

解决方案

如果要计算处理器上的负载 - 也就是非闲置的可用CPU总时间的百分比 - 我会定期进行API调用（比如说，每5秒一次），并且对于每个间隔计算di用户+内核中从开始到结束的时间间隔除以总的差值。这是该间隔的负载。然后，如果你愿意，你可以将它们绘制在一个移动的图上。

对不起，没有代码可以显示，只是我如何去做的一个草图。

Is it possible to use the chrome.system.cpu api to get the current CPU load? I specifically can't figure out how to convert the returned numbers to a percent of the total current load.

I found this, but not quite sure how to implement: "Callers can compute load fractions by making two calls, subtracting the times, and dividing by the difference in totalTime."

https://developer.chrome.com/apps/system_cpu

Answer: An example of getting CPU usage is here: https://github.com/beaufortfrancois/cog-chrome-app/blob/master/src/main.js

解决方案

If you want to compute the load on the processor(s) -- that is, the percentage of total available CPU time that's non-idle -- I would make the API call at regular intervals (say, once every 5 seconds), and, for each interval, compute difference in user + kernel from start to the end of the interval, divided by difference in total. That's the load for that interval. Then, if you like, you can plot these on a moving graph.

Sorry, no code to show, just a sketch of how I would do it.

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