Re: [Qemu-devel] block IO latency tracker without using QMP socket.

2014-08-28 Thread Markus Armbruster
Benoît Canet benoit.ca...@irqsave.net writes: The Wednesday 27 Aug 2014 à 16:58:12 (+0200), Anshul Makkar wrote : Hi, I am writing a block IO latency tracker. As obvious, I am calculating the latency by tracking the interval between start of IO and end of IO. (firing my latency tracker

Re: [Qemu-devel] block IO latency tracker without using QMP socket.

2014-08-28 Thread Stefan Hajnoczi
On Wed, Aug 27, 2014 at 04:58:12PM +0200, Anshul Makkar wrote: I am writing a block IO latency tracker. As obvious, I am calculating the latency by tracking the interval between start of IO and end of IO. (firing my latency tracker from function BlockDriverAIOCB *raw_aio_submit()

Re: [Qemu-devel] block IO latency tracker without using QMP socket.

2014-08-28 Thread Benoît Canet
The Thursday 28 Aug 2014 à 13:36:35 (+0100), Stefan Hajnoczi wrote : On Wed, Aug 27, 2014 at 04:58:12PM +0200, Anshul Makkar wrote: I am writing a block IO latency tracker. As obvious, I am calculating the latency by tracking the interval between start of IO and end of IO. (firing my

Re: [Qemu-devel] block IO latency tracker without using QMP socket.

2014-08-28 Thread Markus Armbruster
Benoît Canet benoit.ca...@irqsave.net writes: The Thursday 28 Aug 2014 à 13:36:35 (+0100), Stefan Hajnoczi wrote : On Wed, Aug 27, 2014 at 04:58:12PM +0200, Anshul Makkar wrote: I am writing a block IO latency tracker. As obvious, I am calculating the latency by tracking the interval

[Qemu-devel] block IO latency tracker without using QMP socket.

2014-08-27 Thread Anshul Makkar
Hi, I am writing a block IO latency tracker. As obvious, I am calculating the latency by tracking the interval between start of IO and end of IO. (firing my latency tracker from function BlockDriverAIOCB *raw_aio_submit() raw-posix.c when job is submitted). The latency data per QEMU process

Re: [Qemu-devel] block IO latency tracker without using QMP socket.

2014-08-27 Thread Benoît Canet
The Wednesday 27 Aug 2014 à 16:58:12 (+0200), Anshul Makkar wrote : Hi, I am writing a block IO latency tracker. As obvious, I am calculating the latency by tracking the interval between start of IO and end of IO. (firing my latency tracker from function BlockDriverAIOCB