Messages in this thread | | | Subject | Re: [PATCH 6/7] x86: mm: set TLB flush tunable to sane value | From | Davidlohr Bueso <> | Date | Thu, 06 Mar 2014 17:55:04 -0800 |
| |
On Wed, 2014-03-05 at 16:45 -0800, Dave Hansen wrote: > From: Dave Hansen <dave.hansen@linux.intel.com> > > Now that we have some shiny new tracepoints, we can actually > figure out what the heck is going on. > > During a kernel compile, 60% of the flush_tlb_mm_range() calls > are for a single page. It breaks down like this:
It would be interesting to see similar data for opposite workloads with more random access patterns. That's normally when things start getting fun in the tlb world.
Thanks, Davidlohr
| |