From c69cb8cc094cc916adbc516b09e944cd3d137c01 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 13:08:07 +0200 Subject: Adding upstream version 1.29.3. Signed-off-by: Daniel Baumann --- collectors/idlejitter.plugin/README.md | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 collectors/idlejitter.plugin/README.md (limited to 'collectors/idlejitter.plugin/README.md') diff --git a/collectors/idlejitter.plugin/README.md b/collectors/idlejitter.plugin/README.md new file mode 100644 index 0000000..3703e2e --- /dev/null +++ b/collectors/idlejitter.plugin/README.md @@ -0,0 +1,20 @@ + + +# 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. + +[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fcollectors%2Fidlejitter.plugin%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>) -- cgit v1.2.3