i was having some trouble with stats reporting higher ethernet throughput when my connection to the cpu server was getting busy. here's a little experiment that works around the problem by reducing the sleep time by the time it takes to make the samples. as a secondary connection, if the sampling time exceedes 1/4 of the sample rate, the sample time is doubled. the sample rate will be reduced if the sample rate goes to 1/32 of the adjusted rate.
/n/sources/contrib/quanstro/src/stats.c while this was quick and easy and fairly accurate, a better solution would be to calculate the rate on the remote. i also switched the ethernet scale to be prop. to link speed rather than the number of processors and added tracing for /net.alt/ether1. there was also a bug that will divide by zero if sleepsecs < 1.0 when displaying ethernet errors. also included, a fix for numbers too big to fit in 32 bits, such as the packet counts in /net*/ether?/stats. i submitted this fix as a patch. - erik
