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Linux Load Averages: Solving the Mystery

Brendan Gregg

The version of this on [ietf.org] links to a PDF scan of a hand drawn load average graph from July 1973, showing that this has been monitored for decades: source: [link]. not blocked for I/O) waiting for the CPU. Nowadays, the source code to old operating systems can also be found online. Yes, I'd say so. They aren't idle.

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