Re: [PATCH] staggered start of vms in vm.conf

2019-12-08 Thread Mike Larkin
On Sun, Dec 08, 2019 at 02:07:46AM -0800, Pratik Vyas wrote: > Hi! > > This is an attempt to address 'thundering herd' problem when a lot of > vms are configured in vm.conf. A lot of vms booting in parallel can > overload the host and also mess up tsc calibration in openbsd guests as > it uses PI

Re: [PATCH] staggered start of vms in vm.conf

2019-12-08 Thread Mischa Peters
> On 8 Dec 2019, at 11:08, Pratik Vyas wrote: > > Hi! > > This is an attempt to address 'thundering herd' problem when a lot of > vms are configured in vm.conf. A lot of vms booting in parallel can > overload the host and also mess up tsc calibration in openbsd guests as > it uses PIT which

[PATCH] staggered start of vms in vm.conf

2019-12-08 Thread Pratik Vyas
Hi! This is an attempt to address 'thundering herd' problem when a lot of vms are configured in vm.conf. A lot of vms booting in parallel can overload the host and also mess up tsc calibration in openbsd guests as it uses PIT which doesn't fire reliably if the host is overloaded. This diff mak