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BusyBox Top Question - Is Kernel Space Loading Reported

Question asked by david_kasper on Oct 2, 2013
Latest reply on Oct 8, 2013 by Aaronwu

I am using a BF537 running uClinux and need to know if CPU loading meets system requirements.  Does anybody know if kernel/driver usage is reported by the lightweight BusyBox version of top provided by the kernel?  I.e. my application loading is split between user and driver space and I need accurate values.  Since I really don't know what top is doing should I use /proc/stat instead to get the answer?