On Wed, 23 Oct 2019, Wanpeng Li wrote: > I didn't see your refactor to get_nohz_timer_target() which you > mentioned in IRC after four months, I can observe cyclictest drop from > 4~5us to 8us in kvm guest(we offload the lapic timer emulation to > housekeeping cpu to avoid timer fire external interrupt on the pCPU > which vCPU resident incur a vCPU vmexit) w/o this patch in the case of > there is no busy housekeeping cpu. The score can be recovered after I > give stress to create a busy housekeeping cpu. > > Could you consider applying this patch for temporary since I'm not > sure when the refactor can be ready. Yeah. It's delayed (again).... Will pick that up. Thanks, tglx
