Re: [Qemu-devel] [PATCH 0/3 v2] virtio: improve virtio devices initialization time

2018-01-17 Thread Kinsella, Ray
Hi Gal, So the good news is that before I applied your patch I found that initialization time has improved. For 128 virtio-net devices it has gone from 137s the last time I tested it, to 40s today. The bad news is that for 256 virtio-net devices - it now just hangs. However when I apply yo

Re: [Qemu-devel] [PATCH 0/3 v2] virtio: improve virtio devices initialization time

2018-01-17 Thread Gal Hammer
Hi Ray, On Tue, Jan 16, 2018 at 5:40 PM, Kinsella, Ray wrote: > Hi Gal, > > Brilliant - will test this in the next day or two. > Hopefully this will help resolve the issues I reported last summer. > > http://lists.nongnu.org/archive/html/qemu-devel/2017-07/msg05268.html Thanks for the compliment

Re: [Qemu-devel] [PATCH 0/3 v2] virtio: improve virtio devices initialization time

2018-01-16 Thread Kinsella, Ray
Hi Gal, Brilliant - will test this in the next day or two. Hopefully this will help resolve the issues I reported last summer. http://lists.nongnu.org/archive/html/qemu-devel/2017-07/msg05268.html Ray K On 14/01/2018 10:06, Gal Hammer wrote: A bug was reported about a very slow boot time and

[Qemu-devel] [PATCH 0/3 v2] virtio: improve virtio devices initialization time

2018-01-14 Thread Gal Hammer
A bug was reported about a very slow boot time and a 100% CPU usage of both Windows and Linux guests when running a VM with multiple virtio-serial devices (https://bugzilla.redhat.com/1528588). For example, running a VM with 25 virtio-serial devices, each one with max_ports=511, could have a boot