On Feb 18, 2008 4:31 PM, Dhaval Giani <[EMAIL PROTECTED]> wrote: > On Mon, Feb 18, 2008 at 04:19:33PM +0530, Dhaval Giani wrote: > > Hi Ingo, > > > > I am running the sched-devel tree (at HEAD > > 44e770a8750abc7e876076cda718b413bad9e654) and it is not looking good. > > > > I am running two "make -j"s for the kernel in two different cgroups and > > interactivity is going for a toss. I can see noticable lags in > > keypresses. > > > > Will get down to debugging it further a bit later on. > > > > Some more numbers, with exact scenario > > 1. Mount the cgroup > 2. Make 3 groups > 3. Start kernbench in each group > 4. Start chew. > > This is the chew output from the root cgroup > > [EMAIL PROTECTED] dhaval]# ./chew2 > pid 29345 preempted 544115 us after 1560 us > pid 29345 preempted 588109 us after 3935 us > pid 29345 preempted 632122 us after 3941 us > pid 29345 preempted 794259 us after 3954 us > pid 29345 preempted 972163 us after 3963 us > pid 29345 preempted 1024219 us after 3942 us > > From within one of the groups > [EMAIL PROTECTED] dhaval]# ./chew2 > pid 27961 preempted 4028 us after 1708 us > pid 27961 preempted 28090 us after 5466 us > pid 27961 preempted 52021 us after 6505 us > pid 27961 preempted 56100 us after 7183 us > pid 27961 preempted 61850 us after 7505 us > pid 27961 preempted 131892 us after 59 us > pid 27961 preempted 332112 us after 7607 us >
Is there anything to compare this data against? Was it better earlier, if so which release? Balbir -- 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/
