Re: [pve-devel] [PATCH kernel] By default disable the new dynamic halt polling behavior

2016-05-13 Thread Wolfgang Bumiller
On Fri, May 13, 2016 at 07:52:05AM +0200, Stefan Priebe - Profihost AG wrote: > Does upstream know about this? Just added: https://bugzilla.kernel.org/show_bug.cgi?id=118191 (I meant to do that yesterday already but got distracted...) > > Am 12.05.2016 um 12:51 schrieb Wolfgang Bumiller

Re: [pve-devel] [PATCH kernel] By default disable the new dynamic halt polling behavior

2016-05-13 Thread Alexandre DERUMIER
ai 2016 07:52:05 Objet: Re: [pve-devel] [PATCH kernel] By default disable the new dynamic halt polling behavior Does upstream know about this? Stefan Excuse my typo sent from my mobile phone. > Am 12.05.2016 um 12:51 schrieb Wolfgang Bumiller <w.bumil...@proxmox.com>: >

Re: [pve-devel] [PATCH kernel] By default disable the new dynamic halt polling behavior

2016-05-12 Thread Stefan Priebe - Profihost AG
Does upstream know about this? Stefan Excuse my typo sent from my mobile phone. > Am 12.05.2016 um 12:51 schrieb Wolfgang Bumiller : > > The default behavior introduced by kernel commit aca6ff29c > (KVM: dynamic halt-polling) causes a spike in cpu usage and > massive

Re: [pve-devel] [PATCH kernel] By default disable the new dynamic halt polling behavior

2016-05-12 Thread Dietmar Maurer
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[pve-devel] [PATCH kernel] By default disable the new dynamic halt polling behavior

2016-05-12 Thread Wolfgang Bumiller
The default behavior introduced by kernel commit aca6ff29c (KVM: dynamic halt-polling) causes a spike in cpu usage and massive performance degradation with virtio network under network load. This patch changes the newly introduced kvm module parameters to reflect the old behavior. --- Makefile