Re: [PATCH v2 2/3] kvm tools: remove periodic tick in favour of a polling thread

2013-09-07 Thread Sasha Levin
On 09/05/2013 12:39 PM, Jonathan Austin wrote: Hi Sasha, On 04/09/13 19:01, Sasha Levin wrote: On 09/04/2013 01:48 PM, Pekka Enberg wrote: On Wed, Sep 4, 2013 at 8:40 PM, Jonathan Austin jonathan.aus...@arm.com wrote: 'top' works on ARM with virtio console. I've just done some new testing

Re: [PATCH v2 2/3] kvm tools: remove periodic tick in favour of a polling thread

2013-09-05 Thread Jonathan Austin
Hi Sasha, On 04/09/13 19:01, Sasha Levin wrote: On 09/04/2013 01:48 PM, Pekka Enberg wrote: On Wed, Sep 4, 2013 at 8:40 PM, Jonathan Austin jonathan.aus...@arm.com wrote: 'top' works on ARM with virtio console. I've just done some new testing and with the serial console emulation and I see

[PATCH v2 2/3] kvm tools: remove periodic tick in favour of a polling thread

2013-09-04 Thread Jonathan Austin
Currently the only use of the periodic timer tick in kvmtool is to handle reading from stdin. Though functional, this periodic tick can be problematic on slow (eg FPGA) platforms and can cause low interactivity or even stop the execution from progressing at all. This patch removes the periodic

Re: [PATCH v2 2/3] kvm tools: remove periodic tick in favour of a polling thread

2013-09-04 Thread Pekka Enberg
Hi Jonathan, On Wed, Sep 4, 2013 at 4:25 PM, Jonathan Austin jonathan.aus...@arm.com wrote: Currently the only use of the periodic timer tick in kvmtool is to handle reading from stdin. Though functional, this periodic tick can be problematic on slow (eg FPGA) platforms and can cause low

Re: [PATCH v2 2/3] kvm tools: remove periodic tick in favour of a polling thread

2013-09-04 Thread Jonathan Austin
Hi Pekka, On 04/09/13 16:58, Pekka Enberg wrote: Hi Jonathan, On Wed, Sep 4, 2013 at 4:25 PM, Jonathan Austin jonathan.aus...@arm.com wrote: Currently the only use of the periodic timer tick in kvmtool is to handle reading from stdin. Though functional, this periodic tick can be

Re: [PATCH v2 2/3] kvm tools: remove periodic tick in favour of a polling thread

2013-09-04 Thread Pekka Enberg
On Wed, Sep 4, 2013 at 8:40 PM, Jonathan Austin jonathan.aus...@arm.com wrote: 'top' works on ARM with virtio console. I've just done some new testing and with the serial console emulation and I see the same as you're reporting. Previously with the 8250 emulation I'd booted to a prompt but

Re: [PATCH v2 2/3] kvm tools: remove periodic tick in favour of a polling thread

2013-09-04 Thread Sasha Levin
On 09/04/2013 01:48 PM, Pekka Enberg wrote: On Wed, Sep 4, 2013 at 8:40 PM, Jonathan Austin jonathan.aus...@arm.com wrote: 'top' works on ARM with virtio console. I've just done some new testing and with the serial console emulation and I see the same as you're reporting. Previously with the