The /proc/stat file contains various pieces of information about kernel activity and the processes running on the system. This information will help you investigate the behavior of a running application to debug the kernel, or to find system performance bottlenecks.

Why use the Kernel Telegraf Plugin?

The Kernel Telegraf Input Plugin gathers kernel statistics from /proc/stat and stores them in your InfluxDB instance. Because the Kernel plugin gathers information about the kernel that isn’t collected from other plugins, it is helpful when combined with other metrics you can collect from the CPU, Disk, and even the DiskIO Telegraf plugins to gain a comprehensive view of your stack.

How to monitor Kernel using the Telegraf Plugin

Collecting metrics with the Kernel Telegraf Plugin is simple; just install and start collecting the metrics in your InfluxDB instance. There are no special confirmations for this plugin.

Key Kernel metrics to use for monitoring

Some of the important Kernel metrics that you could use to proactively monitor your system include:

  • boot_time (integer, seconds since epoch, btime)
  • context_switches (integer, ctxt)
  • disk_pages_in (integer, page (0))
  • disk_pages_out (integer, page (1))
  • interrupts (integer, intr)
  • processes_forked (integer, processes)
  • entropy_avail (integer, entropy_available)

For more information, please check out the documentation.

Project URL   Documentation

Related Resources

Linux System Monitoring Template

Learn how to use the Linux System Monitoring Template by viewing this page.

CPU Telegraf Plugin

The CPU Telegraf Plugin gathers metrics on the system CPU that you can store in InfluxDB.

DiskIO Telegraf Plugin

DiskIO Telegraf Plugin gathers the read/write metrics of a disk to measure the performance of storage devices.

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