needs to be changed to accomodate this structure, but in addition to that a way to make statistics gathering cheaper would be nice, because currently doing a 'vmstat -z' is really terrible for performance. Which reminds me... those of you doing benchmarks, please don't run 'vmstat -z' while you're doing them, it might skew/pessimize your results.
I'm reading them from a C program with sysctl() and right now it doesn't seem to eat a lot.
Regarding precision, the most useful aspect of these statistics is the historic view, and a rough view is enough to spot sudden changes and trends.
Borja.
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