Hi,
recent work from Peter fixed the crashes caused by sched_rt_group (cgroups).
Nevertheless, its use still makes the system sluggish.
To test this, it's just a matter of mounting the "cpu" cgroup and then:
echo 100 > cpu.rt_period_us
echo 100 > cpu.rt_runtime_us

Thanks,
Rolando

On Sat, Sep 10, 2011 at 10:12 AM, Thomas Gleixner [off-list ref] wrote:

Dear RT Folks,

I'm pleased to announce the 3.0.4-rt13 release.

Changes versus 3.0.2-rt11

 * Migrate disable cure (Mike, Peter)

 * ARM smpboot fix

 * Printk debug (Peter)

 * Ftrace: workaround the waitqueue issue

Patch against 3.0.4 can be found here:

 https://tglx.de/~tglx/rt/patch-3.0.4-rt13.patch.gz

The split quilt queue is available at:

 https://tglx.de/~tglx/rt/patches-3.0.4-rt13.tar.gz

For those who don't have 3.0.4 around:

 git://tesla.tglx.de/git/linux-2.6-tip rt/3.0

 https://tglx.de/~tglx/rt/patch-3.0.4.gz

Thanks,

       tglx
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