On Thu, 15 Nov 2007, Micah Dowty wrote: > On all kernels I've tested from after your patch was committed, I can > reproduce a problem where a single high-priority thread which wakes up > very frequently can artificially inflate the SMP balancer's load > average for one CPU, causing other tasks to be migrated off that > CPU. The result is that this high-priority thread (which may only use > a few percent CPU) gets an entire CPU to itself. Even if there are > several busy-looping threads running, this CPU will be mostly idle.
I am a bit at a loss as to how this could relate to the patch. This looks like a load balance logic issue that causes the load calculation to go wrong? - 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/