Re: Block I/O record and replay questions

2021-08-05 Thread Arnabjyoti Kalita
Dear Pavel, Thank you very much for your answers. So if I understand correctly, the blkreplay layer would only record disk events generated by the virtual device, so this solves the problem of recording only the relevant disk events that change the guest state. Best Regards, Arnabjyoti Kalita

Re: Block I/O record and replay questions

2021-08-05 Thread Pavel Dovgalyuk
On 05.08.2021 09:06, Arnabjyoti Kalita wrote: Hello all, I was following the docs on QEMU replay (https://github.com/qemu/qemu/blob/master/docs/replay.txt) and I had a few questions about the implementation of block I/O record and replay in QEMU. All my questions are numbered. And for context,

Block I/O record and replay questions

2021-08-05 Thread Arnabjyoti Kalita
Hello all, I was following the docs on QEMU replay (https://github.com/qemu/qemu/blob/master/docs/replay.txt) and I had a few questions about the implementation of block I/O record and replay in QEMU. All my questions are numbered. And for context, I am running QEMU 5.0.1 where both the host and