Re: [Qemu-devel] [PATCH v2 5/6] cputlb: add trace events

2017-05-30 Thread Philippe Mathieu-Daudé
On 05/17/2017 11:52 AM, Alex Bennée wrote: Given the range of costs for various SoftMMU TLB operations from deferring work for the currently running vCPU to bring the whole emulated machine to a stop for synchronised updates simple counters are less useful. Instead we log events via the trace

[Qemu-devel] [PATCH v2 5/6] cputlb: add trace events

2017-05-17 Thread Alex Bennée
Given the range of costs for various SoftMMU TLB operations from deferring work for the currently running vCPU to bring the whole emulated machine to a stop for synchronised updates simple counters are less useful. Instead we log events via the trace infrastructure and we can then post-process the