On Wed, Jun 24, 2020 at 05:30:41PM +0200, Peter Zijlstra wrote: > Replace many of the indirect calls with static_call(). > > XXX run performance numbers
So I finally got around to doing that, and the average PMI time, as measured by perf_sample_event_took()*: PRE: 3283.03 [ns] POST: 3145.12 [ns] Which is a ~138 [ns] win per PMI, or ~4.2% decrease. [*] on my IVB-EP, using: 'perf record -a -e cycles -- make O=defconfig-build/ -j80'
