Messages in this thread | | | From | Vince Weaver <> | Date | Thu, 16 Mar 2017 13:57:31 -0400 (EDT) | Subject | Re: perf: massive perf_event slowdown between 4.9 and 4.11-rc |
| |
On Thu, 16 Mar 2017, Vince Weaver wrote:
> Anyway all perf_event functionality (especially reads) has become about > 20x slower, at least on Intel machines (haswell and skylake are the only > ones I've tested) sometime between 4.9 and 4.11-rc
False alarm, I forgot I had debugging (KASAN, etc) turned on in this kernel tree because I had been fuzzing.
sorry about that.
Vince
| |