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Confusion here seems to stem from the fact that Linux calculates load average differently from most UNIX systems: on most systems, only running or runnable threads count towards the load, but Linux also includes threads in certain types of sleeps (i.e., disk I/O). This difference becomes most significant during storage system stalls, such as NFS server failure, where the load average on Linux will spike because many threads will be blocked in NFS I/O indefinitely. I've updated the article a bit to reflect this distinction, but no of no other UNIX system that takes this approach.
[[Special:Contributions/212.59.34.129|212.59.34.129]] ([[User talk:212.59.34.129|talk]]) 08:37, 19 November 2009 (UTC) Harald
I'd like to know, how multi-core CPUs fit into the following sentence:
In a system with four CPUs, a load average of 3.73 would indicate that there were, on average, 3.73 processes ready to run, and each one could be scheduled into a CPU.
I'd assume, that a Dual CPU, Dual Core system counts for 4 parallel processes.
== Instantaneous percentage of CPU utilization on Windows?!? ==
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