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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:22:31 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:22:31 +0000 |
| commit | 8d4f58e49b9dc7d3545651023a36729de773ad86 (patch) | |
| tree | 7bc7be4a8e9e298daa1349348400aa2a653866f2 /collectors/idlejitter.plugin/README.md | |
| parent | Initial commit. (diff) | |
| download | netdata-8d4f58e49b9dc7d3545651023a36729de773ad86.tar.xz netdata-8d4f58e49b9dc7d3545651023a36729de773ad86.zip | |
Adding upstream version 1.12.0.upstream/1.12.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'collectors/idlejitter.plugin/README.md')
| -rw-r--r-- | collectors/idlejitter.plugin/README.md | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/collectors/idlejitter.plugin/README.md b/collectors/idlejitter.plugin/README.md new file mode 100644 index 0000000..e8e7808 --- /dev/null +++ b/collectors/idlejitter.plugin/README.md @@ -0,0 +1,15 @@ +# idlejitter.plugin + +It works like this: + +A thread is spawned that requests to sleep for 20000 microseconds (20ms). +When the system wakes it up, it measures how many microseconds have passed. +The difference between the requested and the actual duration of the sleep, is the idle jitter. +This is done at most 50 times per second, to ensure we have a good average. + +This number is useful: + + 1. in real-time environments, when the CPU jitter can affect the quality of the service (like VoIP media gateways). + 2. in cloud infrastructure, at can pause the VM or container for a small duration to perform operations at the host. + +[]() |