On Mon, Nov 23, 2015 at 05:56:44PM +0000, Javi Merino wrote: > I've tested this series on Juno (2xCortex-A57 4xCortex-A53). If you > idle inject for 50% of the time, when I run 6 busy loops the scheduler > sometimes keeps two of them in the same cpu while the another cpu is > completely idle. Without idle injection the scheduler does the > sensible thing: put one busy loop in each CPU. I'm running systemd > and this only happens with CONFIG_SCHED_AUTOGROUP=y. If I unset > CONFIG_SCHED_AUTOGROUP, the tasks are spread across all cpus as usual.
That's not a plus for this patch though; but a bug report against AUTOGROUP/cgroup muck, right? -- 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/
