On Tue, Apr 29, 2003 at 08:15:23AM +0000, Gilad Benjamini wrote: > Hi, > get_cycles provides me the low 32 bit of the number > of cycles. > How can I, in a 32 bit system, get the high 32 bit ? > CPU counter register only has 32 bit. You have to maintain the upper 32bit yourself if you want 64bit counter. You might be able to re-use timerhi variable in arch/mips/kernel/time.c file. Jun