[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: 70,000 TLB shootdown IPIs per second
On Wed, Dec 05, 2012 at 12:56:27PM -0500, Thor Lancelot Simon wrote:
> On Wed, Dec 05, 2012 at 08:29:23AM -0800, Chuck Silvers wrote:
> > and the top few entries from that with a portion of your dd test are:
dtrace outputs counts with the smallest numbers first,
so the most interesting ones are at the bottom:
the similar entry involving ubc_alloc() is a red herring...
I counted calls to pmap_tlb_shootnow(), but that doesn't always send an IPI.
x86_ipi() would have been a better choice.
it would be best if you gathered this info on your system,
to make sure I'm seeing the same thing you are.
Main Index |
Thread Index |