Messages in this thread | | | Subject | Re: [git pull] scheduler changes for v2.6.26 | From | Mike Galbraith <> | Date | Tue, 22 Apr 2008 14:25:54 +0200 |
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On Tue, 2008-04-22 at 10:59 +0200, Ingo Molnar wrote: > * Mike Galbraith <efault@gmx.de> wrote: > > > > the 700-800 msecs of delays you see are very "brutal" so there must > > > be something fundamentally wrong going on here. > > > > I'm seeing latency hits with 26.git, whereas 25 is hit free. > > ok. I think what happens is that your broken sched-clock hid the real > breakage. Lets try fix the real breakage now. > > I've uploaded a new sched-devel.git that is against very latest -git, > could you try ftrace (with a sufficiently large > /debug/tracing/tracing_max_entries value) - perhaps the > worst-case-wakeup-latency tracer shows large latencies? If not, then > maybe the sched_switch tracer gives a better insight into what's > happening?
Well, looks like this is going to have to wait. sched-devel is locking hard on me, both sched-devel and .git are losing my darn keyboard right in the middle of things, and my serial ports are (still) so screwed up I can't get minicom working right. Arg.
-Mike
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