Re: [Qemu-devel] [PATCH] migration: Improve accuracy of vCPU throttling with per-vCPU timers

2019-06-19 Thread Cosmin Marin
On 19/06/2019, 02:35, "Peter Xu" wrote: On Tue, Jun 18, 2019 at 04:52:09PM +0000, Cosmin Marin wrote: > > > On 18/06/2019, 15:51, "Peter Xu" wrote: > > On Tue, Jun 18, 2019 at 12:25:43PM +, Cosmin Ma

Re: [Qemu-devel] [PATCH] migration: Improve accuracy of vCPU throttling with per-vCPU timers

2019-06-18 Thread Cosmin Marin
On 18/06/2019, 15:51, "Peter Xu" wrote: On Tue, Jun 18, 2019 at 12:25:43PM +0000, Cosmin Marin wrote: > Hi Peter, > > thanks for reviewing the patch. Indeed, I agree that it's almost impossible to determine which solution it's better from

Re: [Qemu-devel] [PATCH] migration: Improve accuracy of vCPU throttling with per-vCPU timers

2019-06-18 Thread Cosmin Marin
On 17/06/2019, 04:46, "Peter Xu" wrote: On Fri, Jun 14, 2019 at 09:11:06AM -0700, Cosmin Marin wrote: > During auto-convergence live migration, the configured throttling rate > is not matched in practice. Experimental measurements of throughput for > a mem

[Qemu-devel] [PATCH] migration: Improve accuracy of vCPU throttling with per-vCPU timers

2019-06-14 Thread Cosmin Marin
imer model as it produces more accurate throttling. Signed-off-by: Cosmin Marin --- cpus.c| 29 +++-- include/qom/cpu.h | 4 ++-- 2 files changed, 17 insertions(+), 16 deletions(-) diff --git a/cpus.c b/cpus.c index dde3b7b981..c2bd3babf6 100644 --- a/cpu