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| author | Joel Hans <joel@netdata.cloud> | 2020-05-15 13:40:35 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-15 13:40:35 -0700 |
| commit | a94f070603f908057473f2962886cfaa4e909e83 (patch) | |
| tree | 9adef6411cc9a90e3f4a1e454440d69db1ca12cc /collectors/proc.plugin | |
| parent | 415c83a6bcd49c90b4ae6cd85aa30a6637ce3824 (diff) | |
Add config for big CPUs and explain (#9062)
Diffstat (limited to 'collectors/proc.plugin')
| -rw-r--r-- | collectors/proc.plugin/README.md | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/collectors/proc.plugin/README.md b/collectors/proc.plugin/README.md index 3038c2de14..1c295f7af3 100644 --- a/collectors/proc.plugin/README.md +++ b/collectors/proc.plugin/README.md @@ -234,13 +234,31 @@ So, to disable performance metrics for all loop devices you could add `performan ## Monitoring CPUs -The `/proc/stat` module monitors CPU utilization, interrupts, context switches, processes started/running, thermal throttling, frequency, and idle states. It gathers this information from multiple files. +The `/proc/stat` module monitors CPU utilization, interrupts, context switches, processes started/running, thermal +throttling, frequency, and idle states. It gathers this information from multiple files. -If more than 50 cores are present in a system then CPU thermal throttling, frequency, and idle state charts are disabled. +If your system has more than 50 processors (`physical processors * cores per processor * threads per core`), the Agent +automatically disables CPU thermal throttling, frequency, and idle state charts. To override this default, see the next +section on configuration. -#### configuration +### Configuration + +The settings for monitoring CPUs is in the `[plugin:proc:/proc/stat]` of your `netdata.conf` file. + +The `keep per core files open` option lets you reduce the number of file operations on multiple files. -`keep per core files open` option in the `[plugin:proc:/proc/stat]` configuration section allows reducing the number of file operations on multiple files. +If your system has more than 50 processors and you would like to see the CPU thermal throttling, frequency, and idle +state charts that are automatically disabled, you can set the following boolean options in the +`[plugin:proc:/proc/stat]` section. + +```conf + keep per core files open = yes + keep cpuidle files open = yes + core_throttle_count = yes + package_throttle_count = yes + cpu frequency = yes + cpu idle states = yes +``` ### CPU frequency |