I don't know that much about other OSes, but at least for recent Linux
(>=2.6 & RHEL3's hybrid 2.4/2.6 kernel), wio cpu is a very important
metric and the kernel can often spend significant amounts of time there.
It is one of the metrics that we pay the most attention to on the
webfrontend as it us
I've been thinking about the standard metrics in ganglia and I've run
into a number of cases where the assumptions are either generally wrong
or overly Linux specific. It would be good to think about ways to
address these issues. There are three classes of metrics I am
concerned with: cpu speed,