> > Did you have a look at "mpstat 1" output before and > > after the jump to 50% cpu usage? > > > > Does it consume user or system cpu time? > > 100% system time of CPU0 when the CPU usage bumps up > to 50%. Before it is around 1-3 % for each CPU.
Ok, for system cpu time usage: try to run a kernel profile, to find out what kernel functions are consuming the time, lockstat -kIW -D 20 sleep 15 -- This message posted from opensolaris.org
