How Dynatrace get hardware resource metrics?

[nkobayashi1]

Hi all,

Could you tell me how Dynatrace get usage metrics of CPU and memory of each process?
I need the information for both of Linux and Windows.

Our customer wants this information.
But I could not find in the document.

Best Regards,
Noah

[Lukasz_Wrona · Accepted solution]

On Linux per process metrics are read from /proc/ (/proc/<pid>/stat and /proc/<pid>/status here)

On Windows it is calculated based on WinAPI calls (GetProcessTimes() andGetProcessMemoryInfo())

[nkobayashi1]

Hi,

I have an additional question about this topics.

How Dynatrace get hardware resource metrics per hosts?
Specifically, the CPU and Memory usage in the following screenshot.

Best, Noah

[Lukasz_Wrona]

The answer is analogous. On Linux from /proc/stat and /proc/meminfo and
on Windows from WinApi calls GetSystemTimes() and GetPerformanceInfo()