On 11/28/05, Henrik Morsing <[EMAIL PROTECTED]> wrote: > > On Mon, 28 Nov 2005, Tshepang Lekhonkhobe wrote: > > > Hello, > > On the CPU row of top, there's various stuff displayed: > > 'us' (which I assume is CPU cycles consumed by processes owned by the > > user running top), 'sy' (which I assume is those owned by root), 'id' > > (which I assume means idle), and there is 'wa', 'hi', 'si' whose > > meaning I don't know. > > I checked on the manpage without success... Could anyone tell me what > > these last 3 (wa, hi, si) mean. > > us is 'user' meaning any process regardless of owner running in user > space. User space is unpriviledged processes without hardware access like > the kernel. > > sy is system. Regardless of user it's CPU cycles used by threads inside > the kernel e.g. working for processes asking for hardware access. > > id is idle > > wa is wait which is CPU cycles wasted on waiting for hardware especially > disk, access. > > hi I've never seen > > si must be swap in? Meaning pages swapped in from swap space.
That's a handful. Thanks... (although we do have 'soft interrupt' and 'hi interrupt' as Michael later mentioned).