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Linux Load Averages: Solving the Mystery

Brendan Gregg

And here's an excerpt from [Linux] today (include/linux/sched/loadavg.h): #define EXP_1 1884 /* 1/exp(5sec/1min) as fixed-point */ #define EXP_5 2014 /* 1/exp(5sec/5min) */ #define EXP_15 2037 /* 1/exp(5sec/15min) */. It's time in some cgroup paths, but this server is not doing much disk I/O. My search was starting to feel cursed.

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