Frans Pop wrote: > On Tuesday 16 October 2007, Balbir Singh wrote: >> I am trying to think out loud as to what the root cause of the problem >> might be. In one of the discussion threads, I saw utime going backwards, >> which seemed very odd, I suspect that those are rounding errors. > > I only remembered stime going backwards, but looking back at the mails > you are right, there has been one case of utime going backwards too. > stime going backwards happens _much_ more frequently. > >> I have tried and not had any success reproducing the problem, could you >> please help me with some pointers/steps to reproduce the problem? > > I can reproduce the problem reliably for two KDE programs I have running > permanently on my system: kontact and amarok. Both of these wake up > regularly and use some (not very much) processor capacity before going to > sleep again. Any process that has that that characteristic should do. > > /me thinks a bit and tries something > > lol - I have just managed to reproduce this with 'top' itself :-P >
Thanks, I know why I am not seeing the problem. My box has CONFIG_VIRT_CPU_ACCOUNTING set. I'll find another box and try. -- Warm Regards, Balbir Singh Linux Technology Center IBM, ISTL - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/